"use client";

import React, { useState, useEffect, useCallback, useMemo } from "react";
import { apiClient } from "@/lib/api/client";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table";
import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription, DialogFooter } from "@/components/ui/dialog";
import { Badge } from "@/components/ui/badge";
import { Checkbox } from "@/components/ui/checkbox";
import { Label } from "@/components/ui/label";
import {
  ResizableHandle,
  ResizablePanel,
  ResizablePanelGroup,
} from "@/components/ui/resizable";
import {
  Search,
  Plus,
  Trash2,
  Loader2,
  PackageOpen,
  X,
  Save,
  ChevronRight,
  ChevronLeft,
  ChevronsLeft,
  ChevronsRight,
  Inbox,
  Settings2,
  Filter,
  Check,
  ArrowUp,
  ArrowDown,
} from "lucide-react";
import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
import { cn } from "@/lib/utils";
import { toast } from "sonner";
import { useTableSettings } from "@/hooks/useTableSettings";
import { TableSettingsModal } from "@/components/common/TableSettingsModal";
import { DynamicSearchFilter, FilterValue } from "@/components/common/DynamicSearchFilter";
// API: /outbound/*
import {
  getOutboundList,
  createOutbound,
  updateOutbound,
  deleteOutbound,
  generateOutboundNumber,
  getOutboundWarehouses,
  getOutboundLocations,
  getShipmentInstructionSources,
  getPurchaseOrderSources,
  getItemSources,
  type OutboundItem,
  type ShipmentInstructionSource,
  type PurchaseOrderSource,
  type ItemSource,
  type LocationOption,
  type WarehouseOption,
} from "@/lib/api/outbound";

// 출고유형 옵션
const OUTBOUND_TYPES = [
  { value: "판매출고", label: "판매출고", color: "bg-primary/10 text-primary" },
  { value: "반품출고", label: "반품출고", color: "bg-destructive/10 text-destructive" },
  { value: "기타출고", label: "기타출고", color: "bg-muted text-muted-foreground" },
];

const OUTBOUND_STATUS_OPTIONS = [
  { value: "대기", label: "대기", color: "bg-secondary text-secondary-foreground" },
  { value: "출고완료", label: "출고완료", color: "bg-primary/10 text-primary" },
  { value: "부분출고", label: "부분출고", color: "bg-accent text-accent-foreground" },
  { value: "출고취소", label: "출고취소", color: "bg-destructive/10 text-destructive" },
];

const getTypeColor = (type: string) => OUTBOUND_TYPES.find((t) => t.value === type)?.color || "bg-muted text-muted-foreground";
const getStatusColor = (status: string) => OUTBOUND_STATUS_OPTIONS.find((s) => s.value === status)?.color || "bg-muted text-muted-foreground";

// 소스 테이블 한글명 매핑
const SOURCE_TYPE_LABEL: Record<string, string> = {
  shipment_instruction_detail: "출하지시",
  purchase_order_mng: "발주",
  item_info: "품목",
};

const GRID_COLUMNS = [
  { key: "outbound_number", label: "출고번호" },
  { key: "outbound_type", label: "출고유형" },
  { key: "outbound_date", label: "출고일" },
  { key: "reference_number", label: "참조번호" },
  { key: "source_type", label: "데이터출처" },
  { key: "customer_name", label: "거래처" },
  { key: "item_number", label: "품목코드" },
  { key: "item_name", label: "품목명" },
  { key: "spec", label: "규격" },
  { key: "outbound_qty", label: "출고수량" },
  { key: "unit_price", label: "단가" },
  { key: "total_amount", label: "금액" },
  { key: "warehouse_name", label: "창고" },
  { key: "outbound_status", label: "출고상태" },
  { key: "remark", label: "비고" },
];

// 총 컬럼 수: 체크박스(1) + GRID_COLUMNS(15) = 16
const TOTAL_COLS = 16;

// 헤더 필터 Popover
function HeaderFilterPopover({
  colKey, colLabel, uniqueValues, filterValues, onToggle, onClear,
}: {
  colKey: string;
  colLabel: string;
  uniqueValues: string[];
  filterValues: Set<string>;
  onToggle: (colKey: string, value: string) => void;
  onClear: (colKey: string) => void;
}) {
  const [filterSearch, setFilterSearch] = useState("");
  const hasFilter = filterValues.size > 0;
  const filteredValues = uniqueValues.filter(
    (v) => !filterSearch || v.toLowerCase().includes(filterSearch.toLowerCase())
  );

  return (
    <Popover>
      <PopoverTrigger asChild>
        <button
          onClick={(e) => e.stopPropagation()}
          className={cn(
            "hover:bg-primary/20 rounded p-0.5 transition-colors shrink-0",
            hasFilter && "text-primary bg-primary/10",
          )}
          title="필터"
        >
          <Filter className="h-3 w-3" />
        </button>
      </PopoverTrigger>
      <PopoverContent className="w-56 p-2" align="start" onClick={(e) => e.stopPropagation()}>
        <div className="space-y-2">
          <div className="flex items-center justify-between border-b pb-2">
            <span className="text-xs font-medium">필터: {colLabel}</span>
            {hasFilter && (
              <button onClick={() => onClear(colKey)} className="text-primary text-xs hover:underline">
                초기화
              </button>
            )}
          </div>
          <div className="relative">
            <Search className="absolute left-2 top-1/2 -translate-y-1/2 h-3 w-3 text-muted-foreground" />
            <Input
              value={filterSearch}
              onChange={(e) => setFilterSearch(e.target.value)}
              placeholder="검색..."
              className="h-7 text-xs pl-7"
            />
          </div>
          <div className="max-h-52 space-y-0.5 overflow-y-auto">
            {filteredValues.slice(0, 100).map((val) => {
              const isSelected = filterValues.has(val);
              return (
                <div
                  key={val}
                  className={cn(
                    "hover:bg-muted flex cursor-pointer items-center gap-2 rounded px-2 py-1.5 text-xs",
                    isSelected && "bg-primary/10",
                  )}
                  onClick={() => onToggle(colKey, val)}
                >
                  <div className={cn(
                    "flex h-4 w-4 items-center justify-center rounded border shrink-0",
                    isSelected ? "bg-primary border-primary" : "border-input",
                  )}>
                    {isSelected && <Check className="text-primary-foreground h-3 w-3" />}
                  </div>
                  <span className="truncate">{val || "(빈 값)"}</span>
                </div>
              );
            })}
            {filteredValues.length > 100 && (
              <div className="text-muted-foreground px-2 py-1 text-xs">
                ...외 {filteredValues.length - 100}개
              </div>
            )}
          </div>
        </div>
      </PopoverContent>
    </Popover>
  );
}

// 선택된 소스 아이템 (등록 모달에서 사용)
interface SelectedSourceItem {
  key: string;
  outbound_type: string;
  reference_number: string;
  customer_code: string;
  customer_name: string;
  item_number: string;
  item_name: string;
  spec: string;
  material: string;
  unit: string;
  outbound_qty: number;
  unit_price: number;
  total_amount: number;
  source_type: string;
  source_id: string;
}

export default function OutboundPage() {
  const ts = useTableSettings("c16-outbound", "outbound_mng", GRID_COLUMNS);

  // 목록 데이터
  const [data, setData] = useState<OutboundItem[]>([]);
  const [loading, setLoading] = useState(false);
  const [checkedIds, setCheckedIds] = useState<string[]>([]);

  // 페이지네이션
  const [currentPage, setCurrentPage] = useState(1);
  const [pageSize, setPageSize] = useState(20);
  const [pageSizeInput, setPageSizeInput] = useState("20");

  // 검색 필터
  const [searchFilters, setSearchFilters] = useState<FilterValue[]>([]);

  // 헤더 필터 & 정렬
  const [headerFilters, setHeaderFilters] = useState<Record<string, Set<string>>>({});
  const [sortState, setSortState] = useState<{ key: string; direction: "asc" | "desc" } | null>(null);

  // 등록 모달
  const [isModalOpen, setIsModalOpen] = useState(false);
  const [modalOutboundType, setModalOutboundType] = useState("판매출고");
  const [modalOutboundNo, setModalOutboundNo] = useState("");
  const [modalOutboundDate, setModalOutboundDate] = useState("");
  const [modalWarehouse, setModalWarehouse] = useState("");
  const [modalLocation, setModalLocation] = useState("");
  const [modalManager, setModalManager] = useState("");
  const [modalMemo, setModalMemo] = useState("");
  const [selectedItems, setSelectedItems] = useState<SelectedSourceItem[]>([]);
  const [saving, setSaving] = useState(false);

  // 수정 모드 (등록 모달을 재활용)
  const [editMode, setEditMode] = useState(false);
  const [editItemIds, setEditItemIds] = useState<string[]>([]);

  // 카테고리 코드→라벨 매핑 (재질, 단위)
  const [catMap, setCatMap] = useState<Record<string, Record<string, string>>>({});
  useEffect(() => {
    const flatten = (arr: any[]): { code: string; label: string }[] => {
      const result: { code: string; label: string }[] = [];
      for (const v of arr) {
        result.push({ code: v.valueCode || v.value_code || v.code, label: v.valueLabel || v.value_label || v.label });
        if (v.children?.length) result.push(...flatten(v.children));
      }
      return result;
    };
    const map: Record<string, Record<string, string>> = {};
    Promise.all([
      ...["material", "inventory_unit"].map(async (col) => {
        try {
          const res = await apiClient.get(`/table-categories/item_info/${col}/values?filterCompanyCode=COMPANY_16`);
          const items = flatten(res.data?.data || []);
          map[col] = {};
          for (const item of items) map[col][item.code] = item.label;
        } catch { /* skip */ }
      }),
      (async () => {
        try {
          const res = await apiClient.get(`/table-categories/outbound_mng/outbound_type/values`);
          const items = flatten(res.data?.data || []);
          map["outbound_type"] = {};
          for (const item of items) map["outbound_type"][item.code] = item.label;
        } catch { /* skip */ }
      })(),
    ]).then(() => setCatMap(map));
  }, []);
  const resolveCat = useCallback((col: string, code: string) => {
    if (!code) return "";
    return catMap[col]?.[code] || code;
  }, [catMap]);

  // 소스 데이터
  const [sourceKeyword, setSourceKeyword] = useState("");
  const [sourceLoading, setSourceLoading] = useState(false);
  const [shipmentInstructions, setShipmentInstructions] = useState<ShipmentInstructionSource[]>([]);
  const [purchaseOrders, setPurchaseOrders] = useState<PurchaseOrderSource[]>([]);
  const [items, setItems] = useState<ItemSource[]>([]);
  const [warehouses, setWarehouses] = useState<WarehouseOption[]>([]);
  const [locations, setLocations] = useState<LocationOption[]>([]);

  // 소스 데이터 페이징 (클라이언트 사이드)
  const [sourcePage, setSourcePage] = useState(1);
  const [sourcePageSize, setSourcePageSize] = useState(20);

  // 목록 조회
  const fetchList = useCallback(async () => {
    setLoading(true);
    try {
      const params: Record<string, string | undefined> = {};
      for (const f of searchFilters) {
        if (!f.value) continue;
        if (f.columnName === "outbound_type") params.outbound_type = f.value;
        else if (f.columnName === "outbound_status") params.outbound_status = f.value;
        else if (f.columnName === "outbound_date" && f.operator === "between") {
          const [from, to] = f.value.split("~").map((s) => s.trim());
          if (from) params.date_from = from;
          if (to) params.date_to = to;
        } else {
          params.search_keyword = f.value;
        }
      }
      const res = await getOutboundList(params);
      if (res.success) setData(res.data);
    } catch {
      // ignore
    } finally {
      setLoading(false);
    }
  }, [searchFilters]);

  useEffect(() => {
    fetchList();
  }, [fetchList]);

  // 창고 목록 로드
  useEffect(() => {
    (async () => {
      try {
        const res = await getOutboundWarehouses();
        if (res.success) setWarehouses(res.data);
      } catch {
        // ignore
      }
    })();
  }, []);

  // 플랫 행 생성 (출고유형 코드→라벨 변환, source_type→한글 등)
  const flatRows = useMemo(() => {
    return data.map((row) => ({
      ...row,
      _raw_outbound_type: row.outbound_type,
      outbound_type: resolveCat("outbound_type", row.outbound_type) || row.outbound_type || "",
      source_type: row.source_type ? (SOURCE_TYPE_LABEL[row.source_type] || row.source_type) : "",
      item_number: row.item_code || (row as any).item_number || "",
      spec: row.specification || (row as any).spec || "",
    }));
  }, [data, resolveCat]);

  // 컬럼별 고유값 (헤더 필터용)
  const columnUniqueValues = useMemo(() => {
    const result: Record<string, string[]> = {};
    for (const col of GRID_COLUMNS) {
      const values = new Set<string>();
      flatRows.forEach((row) => {
        const val = (row as any)[col.key];
        if (val !== null && val !== undefined && val !== "") values.add(String(val));
      });
      result[col.key] = Array.from(values).sort();
    }
    return result;
  }, [flatRows]);

  // 필터 + 정렬 적용된 플랫 데이터
  const filteredRows = useMemo(() => {
    let rows = [...flatRows];

    // 1차: 헤더 필터 적용
    for (const [colKey, values] of Object.entries(headerFilters)) {
      if (values.size === 0) continue;
      rows = rows.filter((row) => {
        const cellVal = (row as any)[colKey] != null ? String((row as any)[colKey]) : "";
        return values.has(cellVal);
      });
    }

    // 2차: 정렬
    if (sortState) {
      const { key, direction } = sortState;
      rows.sort((a, b) => {
        const av = (a as any)[key] ?? "";
        const bv = (b as any)[key] ?? "";
        const na = Number(av); const nb = Number(bv);
        if (!isNaN(na) && !isNaN(nb)) return direction === "asc" ? na - nb : nb - na;
        return direction === "asc" ? String(av).localeCompare(String(bv)) : String(bv).localeCompare(String(av));
      });
    }

    return rows;
  }, [flatRows, headerFilters, sortState]);

  // 페이지네이션 계산
  const totalPages = Math.max(1, Math.ceil(filteredRows.length / pageSize));
  const safePage = Math.min(Math.max(1, currentPage), totalPages);
  const paginatedRows = useMemo(() => {
    const start = (safePage - 1) * pageSize;
    return filteredRows.slice(start, start + pageSize);
  }, [filteredRows, safePage, pageSize]);

  const applyPageSize = () => {
    const n = parseInt(pageSizeInput, 10);
    if (!isNaN(n) && n >= 1) { setPageSize(n); setCurrentPage(1); }
    else setPageSizeInput(String(pageSize));
  };

  const getPageNumbers = (): (number | "...")[] => {
    const pages: (number | "...")[] = [];
    if (totalPages <= 7) {
      for (let i = 1; i <= totalPages; i++) pages.push(i);
    } else {
      pages.push(1);
      if (safePage > 3) pages.push("...");
      for (let i = Math.max(2, safePage - 1); i <= Math.min(totalPages - 1, safePage + 1); i++) pages.push(i);
      if (safePage < totalPages - 2) pages.push("...");
      pages.push(totalPages);
    }
    return pages;
  };

  // 필터 변경 시 첫 페이지로 이동
  useEffect(() => { setCurrentPage(1); }, [headerFilters, sortState, filteredRows.length]);

  // 헤더 필터 토글/초기화
  const toggleHeaderFilter = (colKey: string, value: string) => {
    setHeaderFilters((prev) => {
      const next = { ...prev };
      const set = new Set(next[colKey] || []);
      if (set.has(value)) set.delete(value); else set.add(value);
      if (set.size === 0) delete next[colKey]; else next[colKey] = set;
      return next;
    });
  };

  const clearHeaderFilter = (colKey: string) => {
    setHeaderFilters((prev) => {
      const next = { ...prev };
      delete next[colKey];
      return next;
    });
  };

  const handleSort = (key: string) => {
    setSortState((prev) =>
      prev?.key === key
        ? prev.direction === "asc" ? { key, direction: "desc" } : null
        : { key, direction: "asc" }
    );
  };

  // 삭제
  const handleDelete = async () => {
    if (checkedIds.length === 0) return;
    if (!confirm(`선택한 ${checkedIds.length}건을 삭제하시겠습니까?`)) return;
    for (const id of checkedIds) {
      await deleteOutbound(id);
    }
    setCheckedIds([]);
    fetchList();
  };

  // --- 등록 모달 ---

  const loadSourceData = useCallback(
    async (type: string, keyword?: string) => {
      setSourceLoading(true);
      try {
        if (type === "판매출고") {
          const res = await getShipmentInstructionSources(keyword || undefined);
          if (res.success) setShipmentInstructions(res.data);
        } else if (type === "반품출고") {
          const res = await getPurchaseOrderSources(keyword || undefined);
          if (res.success) setPurchaseOrders(res.data);
        } else {
          const res = await getItemSources(keyword || undefined);
          if (res.success) setItems(res.data);
        }
      } catch {
        // ignore
      } finally {
        setSourceLoading(false);
      }
    },
    []
  );

  const openRegisterModal = async () => {
    const defaultType = "판매출고";
    setEditMode(false);
    setEditItemIds([]);
    setModalOutboundType(defaultType);
    setModalOutboundDate(new Date().toISOString().split("T")[0]);
    setModalWarehouse("");
    setModalLocation("");
    setModalManager("");
    setModalMemo("");
    setSelectedItems([]);
    setSourceKeyword("");
    setShipmentInstructions([]);
    setPurchaseOrders([]);
    setItems([]);
    setIsModalOpen(true);

    try {
      const [numRes] = await Promise.all([
        generateOutboundNumber(),
        loadSourceData(defaultType),
      ]);
      if (numRes.success) setModalOutboundNo(numRes.data);
    } catch {
      setModalOutboundNo("");
    }
  };

  // 수정 모달 열기 (같은 출고번호 묶어서)
  const openEditModal = (row: OutboundItem) => {
    const outNo = row.outbound_number;
    const grouped = data.filter((d) => d.outbound_number === outNo);
    const first = grouped[0] || row;

    setEditMode(true);
    setEditItemIds(grouped.map((g) => g.id));
    setModalOutboundNo(outNo);
    setModalOutboundType(first.outbound_type || "판매출고");
    setModalOutboundDate(first.outbound_date ? first.outbound_date.slice(0, 10) : "");
    setModalWarehouse(first.warehouse_code || "");
    setModalLocation(first.location_code || "");
    setModalManager(first.manager_id || "");
    setModalMemo(first.memo || "");
    setSelectedItems(
      grouped.map((g) => ({
        key: g.id,
        outbound_type: g.outbound_type || "",
        reference_number: g.reference_number || "",
        customer_code: g.customer_code || "",
        customer_name: g.customer_name || "",
        item_number: g.item_code || "",
        item_name: g.item_name || "",
        spec: g.specification || "",
        material: g.material || "",
        unit: g.unit || "",
        outbound_qty: Number(g.outbound_qty) || 0,
        unit_price: Number(g.unit_price) || 0,
        total_amount: Number(g.total_amount) || 0,
        source_type: g.source_type || "",
        source_id: (g as any).source_id || "",
      }))
    );
    setSourceKeyword("");
    setIsModalOpen(true);
    loadSourceData(first.outbound_type || "판매출고");
  };

  const searchSourceData = useCallback(async () => {
    setSourcePage(1);
    await loadSourceData(modalOutboundType, sourceKeyword || undefined);
  }, [modalOutboundType, sourceKeyword, loadSourceData]);

  // 현재 출고유형에 따른 전체 소스 데이터
  const allSourceData = useMemo(() => {
    if (modalOutboundType === "판매출고") return shipmentInstructions;
    if (modalOutboundType === "반품출고") return purchaseOrders;
    return items;
  }, [modalOutboundType, shipmentInstructions, purchaseOrders, items]);

  const sourceTotalCount = allSourceData.length;
  const sourceTotalPages = Math.max(1, Math.ceil(sourceTotalCount / sourcePageSize));

  // 현재 페이지에 해당하는 slice
  const pagedShipmentInstructions = useMemo(() => {
    if (modalOutboundType !== "판매출고") return [];
    const start = (sourcePage - 1) * sourcePageSize;
    return shipmentInstructions.slice(start, start + sourcePageSize);
  }, [modalOutboundType, shipmentInstructions, sourcePage, sourcePageSize]);

  const pagedPurchaseOrders = useMemo(() => {
    if (modalOutboundType !== "반품출고") return [];
    const start = (sourcePage - 1) * sourcePageSize;
    return purchaseOrders.slice(start, start + sourcePageSize);
  }, [modalOutboundType, purchaseOrders, sourcePage, sourcePageSize]);

  const pagedItems = useMemo(() => {
    if (modalOutboundType !== "기타출고") return [];
    const start = (sourcePage - 1) * sourcePageSize;
    return items.slice(start, start + sourcePageSize);
  }, [modalOutboundType, items, sourcePage, sourcePageSize]);

  const handleOutboundTypeChange = useCallback(
    (type: string) => {
      setModalOutboundType(type);
      setSourceKeyword("");
      setSourcePage(1);
      setShipmentInstructions([]);
      setPurchaseOrders([]);
      setItems([]);
      setSelectedItems([]);
      loadSourceData(type);
    },
    [loadSourceData]
  );

  // 출하지시 품목 추가 (판매출고)
  const addShipmentInstruction = (si: ShipmentInstructionSource) => {
    const key = `si-${si.detail_id}`;
    if (selectedItems.some((s) => s.key === key)) return;
    setSelectedItems((prev) => [
      ...prev,
      {
        key,
        outbound_type: "판매출고",
        reference_number: si.instruction_no,
        customer_code: si.partner_id,
        customer_name: si.partner_id,
        item_number: si.item_code,
        item_name: si.item_name,
        spec: si.spec || "",
        material: si.material || "",
        unit: "EA",
        outbound_qty: si.remain_qty,
        unit_price: 0,
        total_amount: 0,
        source_type: "shipment_instruction_detail",
        source_id: String(si.detail_id),
      },
    ]);
  };

  // 발주 품목 추가 (반품출고)
  const addPurchaseOrder = (po: PurchaseOrderSource) => {
    const key = `po-${po.id}`;
    if (selectedItems.some((s) => s.key === key)) return;
    setSelectedItems((prev) => [
      ...prev,
      {
        key,
        outbound_type: "반품출고",
        reference_number: po.purchase_no,
        customer_code: po.supplier_code,
        customer_name: po.supplier_name,
        item_number: po.item_code,
        item_name: po.item_name,
        spec: po.spec || "",
        material: po.material || "",
        unit: "EA",
        outbound_qty: po.received_qty,
        unit_price: po.unit_price,
        total_amount: po.received_qty * po.unit_price,
        source_type: "purchase_order_mng",
        source_id: po.id,
      },
    ]);
  };

  // 품목 추가 (기타출고)
  const addItem = (item: ItemSource) => {
    const key = `item-${item.id}`;
    if (selectedItems.some((s) => s.key === key)) return;
    setSelectedItems((prev) => [
      ...prev,
      {
        key,
        outbound_type: "기타출고",
        reference_number: item.item_number,
        customer_code: "",
        customer_name: "",
        item_number: item.item_number,
        item_name: item.item_name,
        spec: item.spec || "",
        material: item.material || "",
        unit: item.inventory_unit || "EA",
        outbound_qty: 0,
        unit_price: item.standard_price,
        total_amount: 0,
        source_type: "item_info",
        source_id: item.id,
      },
    ]);
  };

  // 선택 품목 수량 변경
  const updateItemQty = (key: string, qty: number) => {
    setSelectedItems((prev) =>
      prev.map((item) =>
        item.key === key
          ? { ...item, outbound_qty: qty, total_amount: qty * item.unit_price }
          : item
      )
    );
  };

  // 선택 품목 단가 변경
  const updateItemPrice = (key: string, price: number) => {
    setSelectedItems((prev) =>
      prev.map((item) =>
        item.key === key
          ? { ...item, unit_price: price, total_amount: item.outbound_qty * price }
          : item
      )
    );
  };

  // 선택 품목 삭제
  const removeItem = (key: string) => {
    setSelectedItems((prev) => prev.filter((item) => item.key !== key));
  };

  // 저장
  const handleSave = async () => {
    if (selectedItems.length === 0) {
      alert("출고할 품목을 선택해주세요.");
      return;
    }
    if (!modalOutboundDate) {
      alert("출고일을 입력해주세요.");
      return;
    }

    const zeroQtyItems = selectedItems.filter((i) => !i.outbound_qty || i.outbound_qty <= 0);
    if (zeroQtyItems.length > 0) {
      alert("출고수량이 0인 품목이 있습니다. 수량을 입력해주세요.");
      return;
    }

    setSaving(true);
    try {
      if (editMode) {
        const currentKeys = new Set(selectedItems.map((i) => i.key));
        // 삭제: editItemIds에 있지만 selectedItems에 없는 것
        const toDelete = editItemIds.filter((id) => !currentKeys.has(id));
        // 수정: editItemIds에도 있고 selectedItems에도 있는 것
        const toUpdate = selectedItems.filter((i) => editItemIds.includes(i.key));
        // 추가: editItemIds에 없는 새 아이템
        const toCreate = selectedItems.filter((i) => !editItemIds.includes(i.key));

        await Promise.all([
          ...toDelete.map((id) => deleteOutbound(id)),
          ...toUpdate.map((item) =>
            updateOutbound(item.key, {
              outbound_date: modalOutboundDate,
              outbound_qty: item.outbound_qty,
              unit_price: item.unit_price,
              total_amount: item.total_amount,
              warehouse_code: modalWarehouse || undefined,
              location_code: modalLocation || undefined,
              manager_id: modalManager || undefined,
              memo: modalMemo || undefined,
            } as any)
          ),
          ...(toCreate.length > 0
            ? [createOutbound({
                outbound_number: modalOutboundNo,
                outbound_date: modalOutboundDate,
                warehouse_code: modalWarehouse || undefined,
                location_code: modalLocation || undefined,
                manager_id: modalManager || undefined,
                memo: modalMemo || undefined,
                items: toCreate.map((item) => ({
                  outbound_type: item.outbound_type,
                  reference_number: item.reference_number,
                  customer_code: item.customer_code,
                  customer_name: item.customer_name,
                  item_code: item.item_number,
                  item_name: item.item_name,
                  spec: item.spec,
                  material: item.material,
                  unit: item.unit,
                  outbound_qty: item.outbound_qty,
                  unit_price: item.unit_price,
                  total_amount: item.total_amount,
                  source_type: item.source_type,
                  source_id: item.source_id,
                  outbound_status: "출고완료",
                })),
              })]
            : []),
        ]);
        toast.success("출고 정보를 수정했어요");
        setIsModalOpen(false);
        fetchList();
      } else {
        const res = await createOutbound({
          outbound_number: modalOutboundNo,
          outbound_date: modalOutboundDate,
          warehouse_code: modalWarehouse || undefined,
          location_code: modalLocation || undefined,
          manager_id: modalManager || undefined,
          memo: modalMemo || undefined,
          items: selectedItems.map((item) => ({
            outbound_type: item.outbound_type,
            reference_number: item.reference_number,
            customer_code: item.customer_code,
            customer_name: item.customer_name,
            item_code: item.item_number,
            item_name: item.item_name,
            spec: item.spec,
            material: item.material,
            unit: item.unit,
            outbound_qty: item.outbound_qty,
            unit_price: item.unit_price,
            total_amount: item.total_amount,
            source_type: item.source_type,
            source_id: item.source_id,
            outbound_status: "출고완료",
          })),
        });

        if (res.success) {
          toast.success(res.message || "출고 등록 완료");
          setIsModalOpen(false);
          fetchList();
        }
      }
    } catch (err: any) {
      const msg = err?.response?.data?.message || (editMode ? "수정에 실패했어요" : "출고 등록 중 오류가 발생했습니다.");
      toast.error(msg);
    } finally {
      setSaving(false);
    }
  };



  // 합계 계산
  const totalSummary = useMemo(() => {
    return {
      count: selectedItems.length,
      qty: selectedItems.reduce((sum, i) => sum + (i.outbound_qty || 0), 0),
      amount: selectedItems.reduce((sum, i) => sum + (i.total_amount || 0), 0),
    };
  }, [selectedItems]);

  return (
    <div className="flex h-[calc(100vh-4rem)] flex-col gap-3 p-3">
      {/* 검색 영역 */}
      <DynamicSearchFilter
        tableName="outbound_mng"
        filterId="c16-outbound"
        onFilterChange={setSearchFilters}
        externalFilterConfig={ts.filterConfig}
        dataCount={data.length}
      />

      {/* 출고 목록 테이블 (플랫 리스트) */}
      <div className="flex flex-1 flex-col overflow-hidden rounded-lg border bg-card">
        {/* 패널 헤더 */}
        <div className="flex items-center justify-between border-b bg-muted/30 px-4 py-2.5 shrink-0">
          <div className="flex items-center gap-2">
            <PackageOpen className="h-4 w-4 text-muted-foreground" />
            <span className="text-sm font-semibold">출고 목록</span>
            <span className="rounded-full border border-primary/15 bg-primary/8 px-2 py-0.5 font-mono text-[11px] font-bold text-primary">
              {filteredRows.length}건
            </span>
          </div>
          <div className="flex gap-2">
            <Button size="sm" onClick={openRegisterModal} className="h-8">
              <Plus className="mr-1 h-3.5 w-3.5" />
              출고 등록
            </Button>
            <Button
              size="sm"
              variant="destructive"
              onClick={handleDelete}
              disabled={checkedIds.length === 0}
              className="h-8"
            >
              <Trash2 className="mr-1 h-3.5 w-3.5" />
              삭제 ({checkedIds.length})
            </Button>
            <Button variant="ghost" size="sm" className="h-8" onClick={() => ts.setOpen(true)} title="테이블 설정">
              <Settings2 className="h-4 w-4" />
            </Button>
          </div>
        </div>

        <div className="flex-1 overflow-auto">
          <Table noWrapper style={{ minWidth: "1500px" }}>
            <colgroup>
              <col style={{ width: "40px" }} />
              <col style={{ width: "140px" }} />
              <col style={{ width: "100px" }} />
              <col style={{ width: "100px" }} />
              <col style={{ width: "120px" }} />
              <col style={{ width: "90px" }} />
              <col style={{ width: "110px" }} />
              <col style={{ width: "100px" }} />
              <col style={{ width: "140px" }} />
              <col style={{ width: "90px" }} />
              <col style={{ width: "80px" }} />
              <col style={{ width: "80px" }} />
              <col style={{ width: "100px" }} />
              <col style={{ width: "100px" }} />
              <col style={{ width: "90px" }} />
              <col style={{ width: "120px" }} />
            </colgroup>
            <TableHeader className="sticky top-0 z-10">
              <TableRow className="bg-muted hover:bg-muted">
                <TableHead
                  className="text-center cursor-pointer"
                  onClick={() => {
                    const allFilteredIds = filteredRows.map((r) => r.id);
                    const allChecked = allFilteredIds.length > 0 && allFilteredIds.every((id) => checkedIds.includes(id));
                    setCheckedIds(allChecked ? [] : allFilteredIds);
                  }}
                >
                  <Checkbox
                    checked={(() => {
                      const allFilteredIds = filteredRows.map((r) => r.id);
                      return allFilteredIds.length > 0 && allFilteredIds.every((id) => checkedIds.includes(id));
                    })()}
                    onCheckedChange={() => {}}
                  />
                </TableHead>
                {GRID_COLUMNS.map((col) => {
                  const isRight = ["outbound_qty", "unit_price", "total_amount"].includes(col.key);
                  return (
                    <TableHead key={col.key} className={cn("text-[11px] font-bold uppercase tracking-wide text-muted-foreground select-none", isRight && "text-right")}>
                      <div className={cn("inline-flex items-center gap-1", isRight && "justify-end w-full")}>
                        <div className="flex items-center gap-1 cursor-pointer min-w-0" onClick={() => handleSort(col.key)}>
                          <span className="truncate">{col.label}</span>
                          {sortState?.key === col.key && (
                            sortState.direction === "asc"
                              ? <ArrowUp className="h-3 w-3 text-primary shrink-0" />
                              : <ArrowDown className="h-3 w-3 text-primary shrink-0" />
                          )}
                        </div>
                        {(columnUniqueValues[col.key] || []).length > 0 && (
                          <HeaderFilterPopover
                            colKey={col.key} colLabel={col.label}
                            uniqueValues={columnUniqueValues[col.key] || []}
                            filterValues={headerFilters[col.key] || new Set<string>()}
                            onToggle={toggleHeaderFilter} onClear={clearHeaderFilter}
                          />
                        )}
                      </div>
                    </TableHead>
                  );
                })}
              </TableRow>
            </TableHeader>
            <TableBody>
              {loading ? (
                <TableRow>
                  <TableCell colSpan={TOTAL_COLS} className="py-16 text-center">
                    <Loader2 className="mx-auto h-6 w-6 animate-spin text-primary" />
                  </TableCell>
                </TableRow>
              ) : filteredRows.length === 0 ? (
                <TableRow>
                  <TableCell colSpan={TOTAL_COLS} className="py-16 text-center">
                    <div className="flex flex-col items-center gap-2 text-muted-foreground">
                      <PackageOpen className="h-8 w-8 opacity-30" />
                      <span className="text-sm">등록된 출고 내역이 없어요</span>
                    </div>
                  </TableCell>
                </TableRow>
              ) : (
                paginatedRows.map((row) => {
                  const isChecked = checkedIds.includes(row.id);
                  return (
                    <TableRow
                      key={row.id}
                      className={cn(
                        "cursor-pointer border-l-[3px] border-l-transparent transition-all",
                        isChecked ? "border-l-primary bg-primary/5" : "hover:bg-accent/50"
                      )}
                      onClick={() => {
                        setCheckedIds((prev) =>
                          prev.includes(row.id) ? prev.filter((id) => id !== row.id) : [...prev, row.id]
                        );
                      }}
                      onDoubleClick={() => openEditModal(row as any)}
                    >
                      <TableCell
                        className="text-center cursor-pointer"
                        onClick={(e) => {
                          e.stopPropagation();
                          setCheckedIds((prev) =>
                            prev.includes(row.id) ? prev.filter((id) => id !== row.id) : [...prev, row.id]
                          );
                        }}
                      >
                        <Checkbox checked={isChecked} onCheckedChange={() => {}} />
                      </TableCell>
                      <TableCell className="font-mono whitespace-nowrap text-[13px]">{row.outbound_number || ""}</TableCell>
                      <TableCell className="text-[13px]">
                        <Badge variant="outline" className={cn("text-[11px]", getTypeColor(row.outbound_type))}>
                          {row.outbound_type || "-"}
                        </Badge>
                      </TableCell>
                      <TableCell className="whitespace-nowrap text-[13px]">
                        {row.outbound_date ? new Date(row.outbound_date).toLocaleDateString("ko-KR") : ""}
                      </TableCell>
                      <TableCell className="text-[13px] truncate max-w-[120px]"><span className="block truncate">{row.reference_number || ""}</span></TableCell>
                      <TableCell className="text-[13px]">{row.source_type || ""}</TableCell>
                      <TableCell className="text-[13px] truncate max-w-[110px]"><span className="block truncate">{row.customer_name || ""}</span></TableCell>
                      <TableCell className="font-mono text-[13px]">{row.item_number || ""}</TableCell>
                      <TableCell className="text-[13px] max-w-[140px]"><span className="block truncate" title={row.item_name || ""}>{row.item_name || ""}</span></TableCell>
                      <TableCell className="text-[13px] text-muted-foreground">{row.spec || ""}</TableCell>
                      <TableCell className="text-right font-mono text-[13px]">{row.outbound_qty ? Number(row.outbound_qty).toLocaleString() : ""}</TableCell>
                      <TableCell className="text-right font-mono text-[13px]">{row.unit_price ? Number(row.unit_price).toLocaleString() : ""}</TableCell>
                      <TableCell className="text-right font-mono text-[13px] font-semibold">{row.total_amount ? Number(row.total_amount).toLocaleString() : ""}</TableCell>
                      <TableCell className="text-[13px] truncate max-w-[100px]"><span className="block truncate">{row.warehouse_name || row.warehouse_code || ""}</span></TableCell>
                      <TableCell className="text-[13px]">
                        <Badge variant="outline" className={cn("text-[11px]", getStatusColor(row.outbound_status))}>
                          {row.outbound_status || "-"}
                        </Badge>
                      </TableCell>
                      <TableCell className="text-muted-foreground"><span className="block truncate max-w-[120px]">{row.remark || row.memo || ""}</span></TableCell>
                    </TableRow>
                  );
                })
              )}
            </TableBody>
          </Table>
        </div>

        {/* 페이지네이션 */}
        <div className="flex items-center justify-between border-t px-4 py-2.5 text-xs text-muted-foreground shrink-0">
          <div className="flex items-center gap-3">
            <div className="flex items-center gap-1">
              <span>전체</span>
              <span className="font-medium text-foreground">{filteredRows.length.toLocaleString()}</span>
              <span>건</span>
            </div>
            <div className="flex items-center gap-1.5">
              <Input
                type="number"
                min={1}
                value={pageSizeInput}
                onChange={(e) => setPageSizeInput(e.target.value)}
                onBlur={applyPageSize}
                onKeyDown={(e) => { if (e.key === "Enter") { e.preventDefault(); applyPageSize(); } }}
                className="h-7 w-16 text-center text-xs"
              />
              <span>건씩 보기</span>
            </div>
          </div>
          <div className="flex items-center gap-0.5">
            <button onClick={() => setCurrentPage(1)} disabled={safePage === 1}
              className="h-7 w-7 flex items-center justify-center rounded hover:bg-muted disabled:opacity-30 disabled:cursor-not-allowed">
              <ChevronsLeft className="h-3.5 w-3.5" />
            </button>
            <button onClick={() => setCurrentPage((p) => Math.max(1, p - 1))} disabled={safePage === 1}
              className="h-7 w-7 flex items-center justify-center rounded hover:bg-muted disabled:opacity-30 disabled:cursor-not-allowed">
              <ChevronLeft className="h-3.5 w-3.5" />
            </button>
            {getPageNumbers().map((page, idx) =>
              page === "..." ? (
                <span key={`dot-${idx}`} className="h-7 w-7 flex items-center justify-center text-muted-foreground">...</span>
              ) : (
                <button key={page} onClick={() => setCurrentPage(page as number)}
                  className={cn("h-7 w-7 flex items-center justify-center rounded text-xs",
                    page === safePage ? "bg-primary text-primary-foreground font-medium" : "hover:bg-muted")}>
                  {page}
                </button>
              )
            )}
            <button onClick={() => setCurrentPage((p) => Math.min(totalPages, p + 1))} disabled={safePage === totalPages}
              className="h-7 w-7 flex items-center justify-center rounded hover:bg-muted disabled:opacity-30 disabled:cursor-not-allowed">
              <ChevronRight className="h-3.5 w-3.5" />
            </button>
            <button onClick={() => setCurrentPage(totalPages)} disabled={safePage === totalPages}
              className="h-7 w-7 flex items-center justify-center rounded hover:bg-muted disabled:opacity-30 disabled:cursor-not-allowed">
              <ChevronsRight className="h-3.5 w-3.5" />
            </button>
          </div>
          <div className="flex items-center gap-1.5">
            <Input
              type="number"
              min={1}
              max={totalPages}
              placeholder={String(safePage)}
              className="h-7 w-14 text-center text-xs"
              onKeyDown={(e) => {
                if (e.key === "Enter") {
                  const val = parseInt((e.target as HTMLInputElement).value, 10);
                  if (!isNaN(val) && val >= 1 && val <= totalPages) {
                    setCurrentPage(val);
                    (e.target as HTMLInputElement).value = "";
                    (e.target as HTMLInputElement).blur();
                  }
                }
              }}
              onBlur={(e) => {
                const val = parseInt(e.target.value, 10);
                if (!isNaN(val) && val >= 1 && val <= totalPages) {
                  setCurrentPage(val);
                }
                e.target.value = "";
              }}
            />
            <span>/ {totalPages} 페이지</span>
          </div>
        </div>
      </div>

      {/* 출고 등록 모달 */}
      <Dialog open={isModalOpen} onOpenChange={setIsModalOpen}>
        <DialogContent className="flex flex-col gap-0 p-0 sm:max-w-[1600px] w-[95vw] h-[90vh] overflow-hidden">
          <DialogHeader className="shrink-0 border-b px-6 py-4">
            <DialogTitle>{editMode ? "출고 수정" : "출고 등록"}</DialogTitle>
            <DialogDescription>{editMode ? "출고 정보를 수정해주세요." : "출고유형을 선택하고, 좌측에서 근거 데이터를 검색하여 추가해주세요."}</DialogDescription>
          </DialogHeader>

          {/* 출고유형 선택 */}
          <div className="flex shrink-0 items-center gap-4 border-b bg-muted/30 px-6 py-3">
            <span className="text-[11px] font-semibold uppercase tracking-wide text-muted-foreground">출고유형</span>
            <Select value={modalOutboundType} onValueChange={handleOutboundTypeChange}>
              <SelectTrigger className="h-9 w-[160px] text-sm">
                <SelectValue />
              </SelectTrigger>
              <SelectContent>
                {OUTBOUND_TYPES.map((t) => (
                  <SelectItem key={t.value} value={t.value}>
                    {t.label}
                  </SelectItem>
                ))}
              </SelectContent>
            </Select>
            <span className="text-muted-foreground ml-auto text-xs italic">
              {modalOutboundType === "판매출고"
                ? "출하지시 데이터에서 출고 처리해요"
                : modalOutboundType === "반품출고"
                  ? "발주(입고) 데이터에서 반품 출고 처리해요"
                  : "품목 데이터를 직접 선택하여 출고 처리해요"}
            </span>
          </div>

          {/* 메인 콘텐츠 */}
          <div className="flex-1 overflow-hidden">
            <ResizablePanelGroup direction="horizontal">
              {/* 좌측: 소스 데이터 */}
              <ResizablePanel defaultSize={60} minSize={35}>
                <div className="flex h-full flex-col">
                  <div className="flex items-center gap-2 border-b px-4 py-3">
                    <Input
                      placeholder={
                        modalOutboundType === "판매출고"
                          ? "출하지시번호 / 품목명"
                          : modalOutboundType === "반품출고"
                            ? "발주번호 / 품목명 / 공급처"
                            : "품목번호 / 품목명"
                      }
                      value={sourceKeyword}
                      onChange={(e) => setSourceKeyword(e.target.value)}
                      onKeyDown={(e) => e.key === "Enter" && searchSourceData()}
                      className="h-8 flex-1 text-xs"
                    />
                    <Button size="sm" onClick={searchSourceData} className="h-8">
                      <Search className="mr-1 h-3 w-3" />
                      검색
                    </Button>
                  </div>

                  <div className="flex items-center justify-between border-b bg-muted/30 px-4 py-2 shrink-0">
                    <div className="flex items-center gap-2">
                      <span className="text-[11px] font-semibold uppercase tracking-wide text-muted-foreground">
                        {modalOutboundType === "판매출고"
                          ? "미출고 출하지시 목록"
                          : modalOutboundType === "반품출고"
                            ? "입고된 발주 목록"
                            : "품목 목록"}
                      </span>
                      {sourceTotalCount > 0 && (
                        <span className="rounded-full border border-primary/15 bg-primary/8 px-2 py-0.5 font-mono text-[11px] font-bold text-primary">
                          {sourceTotalCount}건
                        </span>
                      )}
                    </div>
                  </div>

                  <div className="flex-1 overflow-auto">
                    {sourceLoading ? (
                      <div className="flex h-40 items-center justify-center">
                        <Loader2 className="h-5 w-5 animate-spin" />
                      </div>
                    ) : modalOutboundType === "판매출고" ? (
                      <SourceShipmentInstructionTable
                        data={pagedShipmentInstructions}
                        onAdd={addShipmentInstruction}
                        selectedKeys={selectedItems.map((s) => s.key)}
                      />
                    ) : modalOutboundType === "반품출고" ? (
                      <SourcePurchaseOrderTable
                        data={pagedPurchaseOrders}
                        onAdd={addPurchaseOrder}
                        selectedKeys={selectedItems.map((s) => s.key)}
                      />
                    ) : (
                      <SourceItemTable
                        data={pagedItems}
                        onAdd={addItem}
                        selectedKeys={selectedItems.map((s) => s.key)}
                        resolveCat={resolveCat}
                      />
                    )}
                  </div>

                  {/* 페이징 바 */}
                  {sourceTotalCount > 0 && (
                    <div className="flex items-center justify-between border-t bg-muted/10 px-4 py-2 shrink-0">
                      <div className="flex items-center gap-2">
                        <span className="text-muted-foreground text-[11px]">표시:</span>
                        <Input
                          type="number"
                          min={1}
                          max={500}
                          value={sourcePageSize}
                          onChange={(e) => {
                            const v = parseInt(e.target.value, 10);
                            if (v > 0) { setSourcePageSize(v); setSourcePage(1); }
                          }}
                          className="h-7 w-[60px] text-center text-[11px]"
                        />
                      </div>
                      <div className="flex items-center gap-1">
                        <Button variant="outline" size="icon" className="h-7 w-7" disabled={sourcePage <= 1}
                          onClick={() => setSourcePage(1)}>
                          <ChevronsLeft className="h-3.5 w-3.5" />
                        </Button>
                        <Button variant="outline" size="icon" className="h-7 w-7" disabled={sourcePage <= 1}
                          onClick={() => setSourcePage((p) => p - 1)}>
                          <ChevronLeft className="h-3.5 w-3.5" />
                        </Button>
                        <span className="text-xs font-medium px-2">{sourcePage} / {sourceTotalPages}</span>
                        <Button variant="outline" size="icon" className="h-7 w-7" disabled={sourcePage >= sourceTotalPages}
                          onClick={() => setSourcePage((p) => p + 1)}>
                          <ChevronRight className="h-3.5 w-3.5" />
                        </Button>
                        <Button variant="outline" size="icon" className="h-7 w-7" disabled={sourcePage >= sourceTotalPages}
                          onClick={() => setSourcePage(sourceTotalPages)}>
                          <ChevronsRight className="h-3.5 w-3.5" />
                        </Button>
                      </div>
                    </div>
                  )}
                </div>
              </ResizablePanel>

              <ResizableHandle withHandle onPointerDown={(e) => e.stopPropagation()} />

              {/* 우측: 출고 정보 + 선택 품목 */}
              <ResizablePanel defaultSize={40} minSize={25}>
                <div className="flex h-full flex-col">
                  <div className="space-y-3 border-b bg-muted/30 px-4 py-3">
                    <h4 className="text-[13px] font-bold text-foreground">출고 정보</h4>
                    <div className="grid grid-cols-2 gap-3">
                      <div className="space-y-1">
                        <span className="text-[11px] font-semibold uppercase tracking-wide text-muted-foreground">출고번호</span>
                        <Input
                          value={modalOutboundNo}
                          readOnly
                          className="bg-muted cursor-not-allowed h-8 font-mono text-xs"
                        />
                      </div>
                      <div className="space-y-1">
                        <span className="text-[11px] font-semibold uppercase tracking-wide text-muted-foreground">
                          출고일 <span className="text-destructive">*</span>
                        </span>
                        <Input
                          type="date"
                          value={modalOutboundDate}
                          onChange={(e) => setModalOutboundDate(e.target.value)}
                          className="h-8 text-xs"
                        />
                      </div>
                      <div className="space-y-1">
                        <span className="text-[11px] font-semibold uppercase tracking-wide text-muted-foreground">창고</span>
                        <Select value={modalWarehouse} onValueChange={(v) => {
                          setModalWarehouse(v);
                          setModalLocation("");
                          if (v) {
                            getOutboundLocations(v).then((r) => { if (r.success) setLocations(r.data); }).catch(() => {});
                          } else {
                            setLocations([]);
                          }
                        }}>
                          <SelectTrigger className="h-8 text-xs">
                            <SelectValue placeholder="창고 선택" />
                          </SelectTrigger>
                          <SelectContent>
                            {warehouses.map((w) => (
                              <SelectItem key={w.warehouse_code} value={w.warehouse_code}>
                                {w.warehouse_name}
                              </SelectItem>
                            ))}
                          </SelectContent>
                        </Select>
                      </div>
                      <div className="space-y-1">
                        <span className="text-[11px] font-semibold uppercase tracking-wide text-muted-foreground">위치</span>
                        <Select value={modalLocation || "__none__"} onValueChange={(v) => setModalLocation(v === "__none__" ? "" : v)}>
                          <SelectTrigger className="h-8 text-xs">
                            <SelectValue placeholder="위치 선택" />
                          </SelectTrigger>
                          <SelectContent>
                            <SelectItem value="__none__">위치 선택</SelectItem>
                            {locations.map((l) => (
                              <SelectItem key={l.location_code} value={l.location_code}>
                                {l.location_name || l.location_code}
                              </SelectItem>
                            ))}
                          </SelectContent>
                        </Select>
                      </div>
                      <div className="space-y-1">
                        <span className="text-[11px] font-semibold uppercase tracking-wide text-muted-foreground">담당자</span>
                        <Input
                          value={modalManager}
                          onChange={(e) => setModalManager(e.target.value)}
                          placeholder="담당자"
                          className="h-8 text-xs"
                        />
                      </div>
                      <div className="space-y-1">
                        <span className="text-[11px] font-semibold uppercase tracking-wide text-muted-foreground">메모</span>
                        <Input
                          value={modalMemo}
                          onChange={(e) => setModalMemo(e.target.value)}
                          placeholder="메모"
                          className="h-8 text-xs"
                        />
                      </div>
                    </div>
                  </div>

                  <div className="flex-1 overflow-auto px-4 py-2">
                    <div className="mb-2 flex items-center gap-2">
                      <span className="text-[11px] font-semibold uppercase tracking-wide text-muted-foreground">출고 처리 품목</span>
                      <span className="rounded-full border border-primary/15 bg-primary/8 px-2 py-0.5 font-mono text-[11px] font-bold text-primary">
                        {selectedItems.length}건
                      </span>
                    </div>

                    {selectedItems.length === 0 ? (
                      <div className="flex h-32 flex-col items-center justify-center gap-2 rounded-lg border border-dashed border-border text-xs text-muted-foreground">
                        <PackageOpen className="h-8 w-8 text-muted-foreground/30" />
                        좌측에서 품목을 선택하여 추가해주세요
                      </div>
                    ) : (
                      <Table>
                        <TableHeader className="sticky top-0 z-10">
                          <TableRow className="bg-muted hover:bg-muted">
                            <TableHead className="w-[30px] text-[11px] font-bold uppercase tracking-wide text-muted-foreground">No</TableHead>
                            <TableHead className="p-2 text-[11px] font-bold uppercase tracking-wide text-muted-foreground">출고유형</TableHead>
                            <TableHead className="p-2 text-[11px] font-bold uppercase tracking-wide text-muted-foreground">품목명</TableHead>
                            <TableHead className="p-2 text-[11px] font-bold uppercase tracking-wide text-muted-foreground">참조번호</TableHead>
                            <TableHead className="w-[80px] text-right text-[11px] font-bold uppercase tracking-wide text-muted-foreground">수량</TableHead>
                            <TableHead className="w-[80px] text-right text-[11px] font-bold uppercase tracking-wide text-muted-foreground">단가</TableHead>
                            <TableHead className="w-[90px] text-right text-[11px] font-bold uppercase tracking-wide text-muted-foreground">금액</TableHead>
                            <TableHead className="w-[30px] p-2" />
                          </TableRow>
                        </TableHeader>
                        <TableBody>
                          {selectedItems.map((item, idx) => (
                            <TableRow key={item.key} className="text-xs">
                              <TableCell className="p-2 text-center">{idx + 1}</TableCell>
                              <TableCell className="p-2">
                                <Badge variant="outline" className={cn("text-[10px]", getTypeColor(item.outbound_type))}>
                                  {resolveCat("outbound_type", item.outbound_type) || "-"}
                                </Badge>
                              </TableCell>
                              <TableCell className="max-w-[180px] p-2">
                                <div className="flex flex-col">
                                  <span className="truncate font-medium" title={item.item_name}>
                                    {item.item_name}
                                  </span>
                                  <span className="text-muted-foreground truncate text-[10px]" title={`${item.item_number}${item.spec ? ` | ${item.spec}` : ""}`}>
                                    {item.item_number}
                                    {item.spec ? ` | ${item.spec}` : ""}
                                  </span>
                                </div>
                              </TableCell>
                              <TableCell className="p-2 text-[11px]">{item.reference_number}</TableCell>
                              <TableCell className="p-2 text-right">
                                <Input
                                  type="number"
                                  value={item.outbound_qty || ""}
                                  onChange={(e) => updateItemQty(item.key, Number(e.target.value) || 0)}
                                  className="h-7 w-[70px] text-right text-xs"
                                  min={0}
                                />
                              </TableCell>
                              <TableCell className="p-2 text-right">
                                <Input
                                  type="number"
                                  value={item.unit_price || ""}
                                  onChange={(e) => updateItemPrice(item.key, Number(e.target.value) || 0)}
                                  className="h-7 w-[70px] text-right text-xs"
                                  min={0}
                                />
                              </TableCell>
                              <TableCell className="p-2 text-right text-[13px] font-semibold">
                                {item.total_amount.toLocaleString()}
                              </TableCell>
                              <TableCell className="p-2 text-center">
                                <Button
                                  variant="ghost"
                                  size="icon"
                                  className="h-6 w-6"
                                  onClick={() => removeItem(item.key)}
                                >
                                  <X className="h-3 w-3" />
                                </Button>
                              </TableCell>
                            </TableRow>
                          ))}
                        </TableBody>
                      </Table>
                    )}
                  </div>
                </div>
              </ResizablePanel>
            </ResizablePanelGroup>
          </div>

          <div className="shrink-0 border-t">
            <div className="flex w-full items-center justify-between px-6 py-3">
              <div className="text-muted-foreground text-xs">
                {selectedItems.length > 0 ? (
                  <>
                    {totalSummary.count}건 | 수량 합계:{" "}
                    {totalSummary.qty.toLocaleString()} | 금액 합계:{" "}
                    {totalSummary.amount.toLocaleString()}원
                  </>
                ) : (
                  "품목을 추가해주세요"
                )}
              </div>
              <div className="flex gap-2">
                <Button
                  variant="outline"
                  onClick={() => setIsModalOpen(false)}
                  className="h-9 text-sm"
                >
                  취소
                </Button>
                <Button
                  onClick={handleSave}
                  disabled={saving || selectedItems.length === 0}
                  className="h-9 text-sm"
                >
                  {saving ? (
                    <Loader2 className="mr-1 h-4 w-4 animate-spin" />
                  ) : (
                    <Save className="mr-1 h-4 w-4" />
                  )}
                  저장
                </Button>
              </div>
            </div>
          </div>
        </DialogContent>
      </Dialog>

      <TableSettingsModal
        open={ts.open}
        onOpenChange={ts.setOpen}
        tableName={ts.tableName}
        settingsId={ts.settingsId}
        defaultVisibleKeys={ts.defaultVisibleKeys}
        onSave={ts.applySettings}
      />
    </div>
  );
}

// --- 소스 데이터 테이블 컴포넌트들 ---

function SourceShipmentInstructionTable({
  data,
  onAdd,
  selectedKeys,
}: {
  data: ShipmentInstructionSource[];
  onAdd: (si: ShipmentInstructionSource) => void;
  selectedKeys: string[];
}) {
  if (data.length === 0) {
    return (
      <div className="m-4 flex h-32 flex-col items-center justify-center gap-2 rounded-lg border border-dashed border-border text-xs text-muted-foreground">
        <Inbox className="h-8 w-8 text-muted-foreground/30" />
        검색 버튼을 눌러 출하지시 데이터를 조회해주세요
      </div>
    );
  }

  return (
    <Table>
      <TableHeader className="sticky top-0 z-10">
        <TableRow className="bg-muted hover:bg-muted">
          <TableHead className="w-[40px] p-2" />
          <TableHead className="p-2 text-[11px] font-bold uppercase tracking-wide text-muted-foreground">출하지시번호</TableHead>
          <TableHead className="p-2 text-[11px] font-bold uppercase tracking-wide text-muted-foreground">출하일</TableHead>
          <TableHead className="p-2 text-[11px] font-bold uppercase tracking-wide text-muted-foreground">품목</TableHead>
          <TableHead className="w-[70px] text-right text-[11px] font-bold uppercase tracking-wide text-muted-foreground">계획수량</TableHead>
          <TableHead className="w-[70px] text-right text-[11px] font-bold uppercase tracking-wide text-muted-foreground">출고수량</TableHead>
          <TableHead className="w-[70px] text-right text-[11px] font-bold uppercase tracking-wide text-muted-foreground">미출고</TableHead>
        </TableRow>
      </TableHeader>
      <TableBody>
        {data.map((si) => {
          const isSelected = selectedKeys.includes(`si-${si.detail_id}`);
          return (
            <TableRow
              key={si.detail_id}
              className={cn(
                "cursor-pointer text-xs transition-colors",
                isSelected && "bg-primary/5"
              )}
              onClick={() => !isSelected && onAdd(si)}
            >
              <TableCell className="p-2 text-center">
                {isSelected ? (
                  <Badge className="bg-primary/20 text-primary text-[10px]">추가됨</Badge>
                ) : (
                  <ChevronRight className="text-muted-foreground h-4 w-4" />
                )}
              </TableCell>
              <TableCell className="max-w-[130px] truncate p-2 font-medium" title={si.instruction_no}>{si.instruction_no}</TableCell>
              <TableCell className="p-2">
                {si.instruction_date
                  ? new Date(si.instruction_date).toLocaleDateString("ko-KR")
                  : "-"}
              </TableCell>
              <TableCell className="max-w-[200px] p-2">
                <div className="flex flex-col">
                  <span className="truncate font-medium" title={si.item_name}>{si.item_name}</span>
                  <span className="text-muted-foreground truncate text-[10px]" title={`${si.item_code}${si.spec ? ` | ${si.spec}` : ""}`}>
                    {si.item_code}
                    {si.spec ? ` | ${si.spec}` : ""}
                  </span>
                </div>
              </TableCell>
              <TableCell className="p-2 text-right">
                {Number(si.plan_qty).toLocaleString()}
              </TableCell>
              <TableCell className="p-2 text-right">
                {Number(si.ship_qty).toLocaleString()}
              </TableCell>
              <TableCell className="p-2 text-right font-semibold text-primary">
                {Number(si.remain_qty).toLocaleString()}
              </TableCell>
            </TableRow>
          );
        })}
      </TableBody>
    </Table>
  );
}

function SourcePurchaseOrderTable({
  data,
  onAdd,
  selectedKeys,
}: {
  data: PurchaseOrderSource[];
  onAdd: (po: PurchaseOrderSource) => void;
  selectedKeys: string[];
}) {
  if (data.length === 0) {
    return (
      <div className="m-4 flex h-32 flex-col items-center justify-center gap-2 rounded-lg border border-dashed border-border text-xs text-muted-foreground">
        <Inbox className="h-8 w-8 text-muted-foreground/30" />
        검색 버튼을 눌러 발주 데이터를 조회해주세요
      </div>
    );
  }

  return (
    <Table>
      <TableHeader className="sticky top-0 z-10">
        <TableRow className="bg-muted hover:bg-muted">
          <TableHead className="w-[40px] p-2" />
          <TableHead className="p-2 text-[11px] font-bold uppercase tracking-wide text-muted-foreground">발주번호</TableHead>
          <TableHead className="p-2 text-[11px] font-bold uppercase tracking-wide text-muted-foreground">공급처</TableHead>
          <TableHead className="p-2 text-[11px] font-bold uppercase tracking-wide text-muted-foreground">품목</TableHead>
          <TableHead className="w-[70px] text-right text-[11px] font-bold uppercase tracking-wide text-muted-foreground">발주수량</TableHead>
          <TableHead className="w-[70px] text-right text-[11px] font-bold uppercase tracking-wide text-muted-foreground">입고수량</TableHead>
        </TableRow>
      </TableHeader>
      <TableBody>
        {data.map((po) => {
          const isSelected = selectedKeys.includes(`po-${po.id}`);
          return (
            <TableRow
              key={po.id}
              className={cn(
                "cursor-pointer text-xs transition-colors",
                isSelected && "bg-primary/5"
              )}
              onClick={() => !isSelected && onAdd(po)}
            >
              <TableCell className="p-2 text-center">
                {isSelected ? (
                  <Badge className="bg-primary/20 text-primary text-[10px]">추가됨</Badge>
                ) : (
                  <ChevronRight className="text-muted-foreground h-4 w-4" />
                )}
              </TableCell>
              <TableCell className="max-w-[120px] truncate p-2 font-medium" title={po.purchase_no}>{po.purchase_no}</TableCell>
              <TableCell className="max-w-[120px] truncate p-2" title={po.supplier_name}>{po.supplier_name}</TableCell>
              <TableCell className="max-w-[200px] p-2">
                <div className="flex flex-col">
                  <span className="truncate font-medium" title={po.item_name}>{po.item_name}</span>
                  <span className="text-muted-foreground truncate text-[10px]" title={`${po.item_code}${po.spec ? ` | ${po.spec}` : ""}`}>
                    {po.item_code}
                    {po.spec ? ` | ${po.spec}` : ""}
                  </span>
                </div>
              </TableCell>
              <TableCell className="p-2 text-right">
                {Number(po.order_qty).toLocaleString()}
              </TableCell>
              <TableCell className="p-2 text-right font-semibold text-primary">
                {Number(po.received_qty).toLocaleString()}
              </TableCell>
            </TableRow>
          );
        })}
      </TableBody>
    </Table>
  );
}

function SourceItemTable({
  data,
  onAdd,
  selectedKeys,
  resolveCat,
}: {
  data: ItemSource[];
  onAdd: (item: ItemSource) => void;
  selectedKeys: string[];
  resolveCat: (col: string, code: string) => string;
}) {
  if (data.length === 0) {
    return (
      <div className="m-4 flex h-32 flex-col items-center justify-center gap-2 rounded-lg border border-dashed border-border text-xs text-muted-foreground">
        <Inbox className="h-8 w-8 text-muted-foreground/30" />
        검색 버튼을 눌러 품목 데이터를 조회해주세요
      </div>
    );
  }

  return (
    <Table>
      <TableHeader className="sticky top-0 z-10">
        <TableRow className="bg-muted hover:bg-muted">
          <TableHead className="w-[40px] p-2" />
          <TableHead className="p-2 text-[11px] font-bold uppercase tracking-wide text-muted-foreground">품목</TableHead>
          <TableHead className="w-[80px] text-[11px] font-bold uppercase tracking-wide text-muted-foreground">규격</TableHead>
          <TableHead className="w-[80px] text-[11px] font-bold uppercase tracking-wide text-muted-foreground">재질</TableHead>
          <TableHead className="w-[60px] text-[11px] font-bold uppercase tracking-wide text-muted-foreground">단위</TableHead>
          <TableHead className="w-[80px] text-right text-[11px] font-bold uppercase tracking-wide text-muted-foreground">기준가</TableHead>
        </TableRow>
      </TableHeader>
      <TableBody>
        {data.map((item) => {
          const isSelected = selectedKeys.includes(`item-${item.id}`);
          return (
            <TableRow
              key={item.id}
              className={cn(
                "cursor-pointer text-xs transition-colors",
                isSelected && "bg-primary/5"
              )}
              onClick={() => !isSelected && onAdd(item)}
            >
              <TableCell className="p-2 text-center">
                {isSelected ? (
                  <Badge className="bg-primary/20 text-primary text-[10px]">추가됨</Badge>
                ) : (
                  <ChevronRight className="text-muted-foreground h-4 w-4" />
                )}
              </TableCell>
              <TableCell className="max-w-[250px] p-2">
                <div className="flex flex-col">
                  <span className="truncate font-medium" title={item.item_name}>{item.item_name}</span>
                  <span className="text-muted-foreground truncate text-[10px]" title={item.item_number}>
                    {item.item_number}
                  </span>
                </div>
              </TableCell>
              <TableCell className="max-w-[100px] truncate p-2" title={item.spec || "-"}>{item.spec || "-"}</TableCell>
              <TableCell className="max-w-[100px] truncate p-2" title={resolveCat("material", item.material) || "-"}>{resolveCat("material", item.material) || "-"}</TableCell>
              <TableCell className="p-2">{resolveCat("inventory_unit", item.unit) || "-"}</TableCell>
              <TableCell className="p-2 text-right">
                {Number(item.standard_price).toLocaleString()}
              </TableCell>
            </TableRow>
          );
        })}
      </TableBody>
    </Table>
  );
}
