"use client";

// 개발관리 > PART 등록/수정 다이얼로그 — wace partMng/partMngFormPopUp.jsp 1:1
//
// 폼 필드 (운영판 그대로, 그 외 추가 없음):
//   ① 품번 | 품명
//   ② 재료 | 열처리경도
//   ③ 열처리방법 | 표면처리
//   ④ 메이커 | 범주이름* (PART_TYPE, comm_code 0000062)
//   ⑤ 규격 (1행)
//   ⑥ 계정구분* (ACCTFG, comm_code 0900213) | 조달구분* (ODRFG, 0/1/8 하드)
//   ⑦ 재고단위* (UNIT_DC, comm_code 0001399) | 관리단위* (UNITMANG_DC, 동일)
//   ⑧ 환산수량* (UNITCHNG_NB, 숫자) | LOT구분* (0=미사용, 1=사용)
//   ⑨ 사용여부* (0=미사용, 1=사용) | 검사여부* (0=무검사, 1=검사)
//   ⑩ SET품여부* (0=부, 1=여) | 의뢰여부* (0=부, 1=여)
//   ⑪ 개당길이 | 개당소요량
//   ⑫ 비고 (1행)
//   ⑬ CAD Data: 3D / 2D(Drawing) / 2D(PDF) Drag&Drop — wace fnc_setFileDropZone 3종 1:1 (DEV-7)
//
// 신규: POST /api/development/part (운영 폼 22컬럼) — part_objid 선채번해서 전달
//   (도면이 PART INSERT 전에 attach_file_info 로 먼저 들어갈 수 있으므로 wace resultMap.OBJID 패턴)
// 수정: PUT  /api/development/part/:objid (wace updatePartDetail 21컬럼 1:1)

import React, { useCallback, useEffect, useState } from "react";
import {
  Dialog, DialogContent, DialogHeader, DialogTitle, DialogFooter,
} from "@/components/ui/dialog";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import { Loader2, Save } from "lucide-react";
import { toast } from "sonner";
import { CommCodeSelect } from "@/components/common/CommCodeSelect";
import { devPartApi, PartCreateBody, PartUpdateBody, PartRow } from "@/lib/api/devPart";
import { cn } from "@/lib/utils";
import { createObjId } from "@/lib/utils/objidUtil";
import { AttachFileDropZone } from "@/components/common/AttachFileDropZone";

// comm_code group ids (vexplor_rps DB)
const GROUP_PART_TYPE = "0000062";
const GROUP_UNIT_DC   = "0001399";
const GROUP_ACCTFG    = "0900213";

// 운영 1:1 하드코딩 옵션
const OPT_ODRFG       = [{ v: "0", t: "구매" }, { v: "1", t: "생산" }, { v: "8", t: "Phantom" }];
const OPT_LOT_FG      = [{ v: "0", t: "미사용" }, { v: "1", t: "사용" }];
const OPT_USE_YN      = [{ v: "0", t: "미사용" }, { v: "1", t: "사용" }];
const OPT_QC_FG       = [{ v: "0", t: "무검사" }, { v: "1", t: "검사" }];
const OPT_YESNO       = [{ v: "0", t: "부" }, { v: "1", t: "여" }];

interface FormState {
  part_no: string;
  part_name: string;
  material: string;
  heat_treatment_hardness: string;
  heat_treatment_method: string;
  surface_treatment: string;
  maker: string;
  part_type: string;
  spec: string;
  acctfg: string;
  odrfg: string;
  unit_dc: string;
  unitmang_dc: string;
  unitchng_nb: string;
  lot_fg: string;
  use_yn: string;
  qc_fg: string;
  setitem_fg: string;
  req_fg: string;
  unit_length: string;
  unit_qty: string;
  remark: string;
}

const EMPTY_FORM: FormState = {
  part_no: "", part_name: "",
  material: "", heat_treatment_hardness: "", heat_treatment_method: "", surface_treatment: "",
  maker: "", part_type: "", spec: "",
  acctfg: "", odrfg: "", unit_dc: "", unitmang_dc: "", unitchng_nb: "",
  lot_fg: "", use_yn: "", qc_fg: "", setitem_fg: "", req_fg: "",
  unit_length: "", unit_qty: "", remark: "",
};

interface Props {
  open: boolean;
  onOpenChange: (open: boolean) => void;
  mode: "create" | "edit";
  editObjid?: string | null;
  onSaved: () => void;
}

export function PartFormDialog({ open, onOpenChange, mode, editObjid, onSaved }: Props) {
  const isEdit = mode === "edit";
  const [form, setForm] = useState<FormState>(EMPTY_FORM);
  const [loading, setLoading] = useState(false);
  const [saving, setSaving] = useState(false);
  // CAD Data 업로드 target_objid:
  //   - 수정 모드: editObjid 그대로
  //   - 신규 모드: 다이얼로그 열릴 때 createObjId() 로 선채번 (wace partMngFormPopUp resultMap.OBJID 패턴)
  const [partObjid, setPartObjid] = useState<string | null>(null);

  const setField = useCallback(
    <K extends keyof FormState>(key: K, value: FormState[K]) =>
      setForm((prev) => ({ ...prev, [key]: value })),
    []
  );

  useEffect(() => {
    if (!open) {
      setPartObjid(null);
      return;
    }
    if (isEdit && editObjid) {
      setPartObjid(editObjid);
      loadDetail(editObjid);
    } else {
      setForm(EMPTY_FORM);
      setPartObjid(createObjId());
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [open]);

  const loadDetail = async (objid: string) => {
    setLoading(true);
    try {
      const row = await devPartApi.detail(objid);
      if (!row) {
        toast.error("PART를 찾을 수 없습니다.");
        onOpenChange(false);
        return;
      }
      setForm(rowToForm(row));
    } catch (e: any) {
      toast.error(e?.response?.data?.message ?? e?.message ?? "조회 실패");
      onOpenChange(false);
    } finally {
      setLoading(false);
    }
  };

  // wace fn_save 1:1 — 모든 required 검증
  const validate = (): string | null => {
    if (!form.part_no.trim())    return "품번은 필수입니다.";
    if (!form.part_name.trim())  return "품명은 필수입니다.";
    if (!form.part_type)         return "범주이름은 필수입니다.";
    if (!form.acctfg)            return "계정구분은 필수입니다.";
    if (!form.odrfg)             return "조달구분은 필수입니다.";
    if (!form.unit_dc)           return "재고단위는 필수입니다.";
    if (!form.unitmang_dc)       return "관리단위는 필수입니다.";
    if (!form.unitchng_nb)       return "환산수량은 필수입니다.";
    if (!form.lot_fg)            return "LOT구분은 필수입니다.";
    if (!form.use_yn)            return "사용여부는 필수입니다.";
    if (!form.qc_fg)             return "검사여부는 필수입니다.";
    if (!form.setitem_fg)        return "SET품여부는 필수입니다.";
    if (!form.req_fg)            return "의뢰여부는 필수입니다.";
    return null;
  };

  const handleSave = async () => {
    const err = validate();
    if (err) return toast.error(err);

    setSaving(true);
    try {
      if (isEdit && editObjid) {
        const body: PartUpdateBody = {
          part_name: form.part_name,
          material: form.material,
          heat_treatment_hardness: form.heat_treatment_hardness,
          heat_treatment_method: form.heat_treatment_method,
          surface_treatment: form.surface_treatment,
          maker: form.maker,
          part_type: form.part_type,
          acctfg: form.acctfg,
          odrfg: form.odrfg,
          spec: form.spec,
          unit_dc: form.unit_dc,
          unitmang_dc: form.unitmang_dc,
          unitchng_nb: form.unitchng_nb,
          lot_fg: form.lot_fg,
          use_yn: form.use_yn,
          qc_fg: form.qc_fg,
          setitem_fg: form.setitem_fg,
          req_fg: form.req_fg,
          unit_length: form.unit_length,
          unit_qty: form.unit_qty,
          remark: form.remark,
        };
        await devPartApi.update(editObjid, body);
        toast.success("PART가 수정되었습니다.");
      } else {
        const body: PartCreateBody = {
          // CAD Data 도면이 선업로드 되었을 수 있으므로 선채번된 objid 전달 (wace 1:1)
          part_objid: partObjid ?? undefined,
          part_no: form.part_no,
          part_name: form.part_name,
          part_type: form.part_type,
          material: form.material,
          heat_treatment_hardness: form.heat_treatment_hardness,
          heat_treatment_method: form.heat_treatment_method,
          surface_treatment: form.surface_treatment,
          maker: form.maker,
          spec: form.spec,
          acctfg: form.acctfg,
          odrfg: form.odrfg,
          unit_dc: form.unit_dc,
          unitmang_dc: form.unitmang_dc,
          unitchng_nb: form.unitchng_nb,
          lot_fg: form.lot_fg,
          use_yn: form.use_yn,
          qc_fg: form.qc_fg,
          setitem_fg: form.setitem_fg,
          req_fg: form.req_fg,
          unit_length: form.unit_length,
          unit_qty: form.unit_qty,
          remark: form.remark,
        };
        await devPartApi.create(body);
        toast.success("PART가 등록되었습니다.");
      }
      onSaved();
      onOpenChange(false);
    } catch (e: any) {
      toast.error(e?.response?.data?.message ?? e?.message ?? "저장 실패");
    } finally {
      setSaving(false);
    }
  };

  const titleText = isEdit ? "품목 수정" : "품목 등록";

  return (
    <Dialog open={open} onOpenChange={onOpenChange}>
      <DialogContent className="max-w-[1100px] w-[95vw] max-h-[92vh] flex flex-col p-0 overflow-hidden">
        <DialogHeader className="bg-blue-600 px-4 py-3">
          <DialogTitle className="text-white">{titleText}</DialogTitle>
        </DialogHeader>

        {loading ? (
          <div className="flex h-64 items-center justify-center">
            <Loader2 className="h-6 w-6 animate-spin" />
          </div>
        ) : (
          <div className="flex-1 overflow-y-auto px-4 py-3">
            {/* 운영판 colgroup 1:1 (12% / 12% / 25% / 12% / *)
                각 행 첫 input 은 colSpan=2 로 양쪽 input 비율 맞춤 */}
            <table className="w-full border-collapse text-sm table-fixed">
              <colgroup>
                <col style={{ width: "12%" }} />
                <col style={{ width: "12%" }} />
                <col style={{ width: "25%" }} />
                <col style={{ width: "12%" }} />
                <col />
              </colgroup>
              <tbody>
                {/* ① */}
                <Tr>
                  <Th>품번</Th>
                  <Td colSpan={2}><Input value={form.part_no} disabled={isEdit}
                             onChange={(e) => setField("part_no", e.target.value)} /></Td>
                  <Th>품명</Th>
                  <Td><Input value={form.part_name}
                             onChange={(e) => setField("part_name", e.target.value)} /></Td>
                </Tr>

                {/* ② */}
                <Tr>
                  <Th>재료</Th>
                  <Td colSpan={2}><Input value={form.material}
                             onChange={(e) => setField("material", e.target.value)} /></Td>
                  <Th>열처리경도</Th>
                  <Td><Input value={form.heat_treatment_hardness}
                             onChange={(e) => setField("heat_treatment_hardness", e.target.value)} /></Td>
                </Tr>

                {/* ③ */}
                <Tr>
                  <Th>열처리방법</Th>
                  <Td colSpan={2}><Input value={form.heat_treatment_method}
                             onChange={(e) => setField("heat_treatment_method", e.target.value)} /></Td>
                  <Th>표면처리</Th>
                  <Td><Input value={form.surface_treatment}
                             onChange={(e) => setField("surface_treatment", e.target.value)} /></Td>
                </Tr>

                {/* ④ */}
                <Tr>
                  <Th>메이커</Th>
                  <Td colSpan={2}><Input value={form.maker}
                             onChange={(e) => setField("maker", e.target.value)} /></Td>
                  <Th>범주이름</Th>
                  <Td>
                    <CommCodeSelect groupId={GROUP_PART_TYPE} withAll={false}
                                    value={form.part_type}
                                    onValueChange={(v) => setField("part_type", v)} />
                  </Td>
                </Tr>

                {/* ⑤ 규격 (colspan=4 — 운영판 colspan=4 1:1) */}
                <Tr>
                  <Th>규격</Th>
                  <Td colSpan={4}><Input value={form.spec} maxLength={100}
                                         onChange={(e) => setField("spec", e.target.value)} /></Td>
                </Tr>

                {/* ⑥ */}
                <Tr>
                  <Th>계정구분<Req /></Th>
                  <Td colSpan={2}>
                    <CommCodeSelect groupId={GROUP_ACCTFG} withAll={false}
                                    value={form.acctfg}
                                    onValueChange={(v) => setField("acctfg", v)} />
                  </Td>
                  <Th>조달구분<Req /></Th>
                  <Td><BasicSelect value={form.odrfg} options={OPT_ODRFG}
                                   onChange={(v) => setField("odrfg", v)} /></Td>
                </Tr>

                {/* ⑦ */}
                <Tr>
                  <Th>재고단위<Req /></Th>
                  <Td colSpan={2}>
                    <CommCodeSelect groupId={GROUP_UNIT_DC} withAll={false}
                                    value={form.unit_dc}
                                    onValueChange={(v) => setField("unit_dc", v)} />
                  </Td>
                  <Th>관리단위<Req /></Th>
                  <Td>
                    <CommCodeSelect groupId={GROUP_UNIT_DC} withAll={false}
                                    value={form.unitmang_dc}
                                    onValueChange={(v) => setField("unitmang_dc", v)} />
                  </Td>
                </Tr>

                {/* ⑧ */}
                <Tr>
                  <Th>환산수량<Req /></Th>
                  <Td colSpan={2}><Input value={form.unitchng_nb} className="text-right"
                             inputMode="decimal"
                             onChange={(e) => setField("unitchng_nb", e.target.value.replace(/[^0-9.]/g, ""))} /></Td>
                  <Th>LOT구분<Req /></Th>
                  <Td><BasicSelect value={form.lot_fg} options={OPT_LOT_FG}
                                   onChange={(v) => setField("lot_fg", v)} /></Td>
                </Tr>

                {/* ⑨ */}
                <Tr>
                  <Th>사용여부<Req /></Th>
                  <Td colSpan={2}><BasicSelect value={form.use_yn} options={OPT_USE_YN}
                                   onChange={(v) => setField("use_yn", v)} /></Td>
                  <Th>검사여부<Req /></Th>
                  <Td><BasicSelect value={form.qc_fg} options={OPT_QC_FG}
                                   onChange={(v) => setField("qc_fg", v)} /></Td>
                </Tr>

                {/* ⑩ */}
                <Tr>
                  <Th>SET품여부<Req /></Th>
                  <Td colSpan={2}><BasicSelect value={form.setitem_fg} options={OPT_YESNO}
                                   onChange={(v) => setField("setitem_fg", v)} /></Td>
                  <Th>의뢰여부<Req /></Th>
                  <Td><BasicSelect value={form.req_fg} options={OPT_YESNO}
                                   onChange={(v) => setField("req_fg", v)} /></Td>
                </Tr>

                {/* ⑪ */}
                <Tr>
                  <Th>개당길이</Th>
                  <Td colSpan={2}><Input value={form.unit_length} className="text-right"
                             inputMode="decimal" maxLength={20}
                             onChange={(e) => setField("unit_length", e.target.value.replace(/[^0-9.]/g, ""))} /></Td>
                  <Th>개당소요량</Th>
                  <Td><Input value={form.unit_qty} className="text-right"
                             inputMode="decimal" maxLength={20}
                             onChange={(e) => setField("unit_qty", e.target.value.replace(/[^0-9.]/g, ""))} /></Td>
                </Tr>

                {/* ⑫ 비고 (colspan=4) */}
                <Tr>
                  <Th>비고</Th>
                  <Td colSpan={4}><Input value={form.remark}
                                         onChange={(e) => setField("remark", e.target.value)} /></Td>
                </Tr>

                {/* ⑬ CAD Data — wace fnc_setFileDropZone 3종 1:1 */}
                <tr>
                  <th className="border bg-muted/30 px-3 py-2 text-left align-top font-medium" rowSpan={3}>
                    CAD Data
                  </th>
                  <th className="border bg-muted/30 px-3 py-2 text-left font-medium">3D</th>
                  <td className="border px-3 py-2" colSpan={3}>
                    <AttachFileDropZone
                      targetObjid={partObjid}
                      docType="3D_CAD"
                      docTypeName="3D CAD 첨부파일"
                    />
                  </td>
                </tr>
                <tr>
                  <th className="border bg-muted/30 px-3 py-2 text-left font-medium">2D(Drawing)</th>
                  <td className="border px-3 py-2" colSpan={3}>
                    <AttachFileDropZone
                      targetObjid={partObjid}
                      docType="2D_DRAWING_CAD"
                      docTypeName="2D(Drawing) CAD 첨부파일"
                    />
                  </td>
                </tr>
                <tr>
                  <th className="border bg-muted/30 px-3 py-2 text-left font-medium">2D(PDF)</th>
                  <td className="border px-3 py-2" colSpan={3}>
                    <AttachFileDropZone
                      targetObjid={partObjid}
                      docType="2D_PDF_CAD"
                      docTypeName="2D(PDF) CAD 첨부파일"
                      accept=".pdf,application/pdf"
                    />
                  </td>
                </tr>
              </tbody>
            </table>
          </div>
        )}

        <DialogFooter className="border-t bg-muted/20 px-4 py-3 sm:justify-center">
          <Button onClick={handleSave} disabled={saving || loading}>
            {saving ? <Loader2 className="h-4 w-4 animate-spin" /> : <Save className="h-4 w-4" />}
            <span className="ml-1">저장</span>
          </Button>
          <Button variant="outline" onClick={() => onOpenChange(false)} disabled={saving}>
            닫기
          </Button>
        </DialogFooter>
      </DialogContent>
    </Dialog>
  );
}

// ─── 보조 컴포넌트 ──────────────────────────────────────────

function Tr({ children }: { children: React.ReactNode }) {
  return <tr>{children}</tr>;
}
function Th({ children }: { children: React.ReactNode }) {
  return (
    <th className="border bg-muted/30 px-3 py-2 text-left align-middle font-medium">
      {children}
    </th>
  );
}
function Td({ children, colSpan }: { children: React.ReactNode; colSpan?: number }) {
  return <td className="border px-3 py-1.5" colSpan={colSpan}>{children}</td>;
}
function Req() {
  return <span className="ml-1 text-red-500">*</span>;
}
function BasicSelect({
  value, options, onChange,
}: {
  value: string;
  options: { v: string; t: string }[];
  onChange: (v: string) => void;
}) {
  return (
    <select
      className={cn("h-9 w-full rounded-md border bg-background px-2 text-sm")}
      value={value}
      onChange={(e) => onChange(e.target.value)}
    >
      <option value="">선택</option>
      {options.map((o) => <option key={o.v} value={o.v}>{o.t}</option>)}
    </select>
  );
}
// ─── PartRow → FormState ────────────────────────────────────

function rowToForm(r: PartRow): FormState {
  return {
    part_no: r.part_no ?? "",
    part_name: r.part_name ?? "",
    material: r.material ?? "",
    heat_treatment_hardness: r.heat_treatment_hardness ?? "",
    heat_treatment_method: r.heat_treatment_method ?? "",
    surface_treatment: r.surface_treatment ?? "",
    maker: r.maker ?? "",
    part_type: r.part_type ?? "",
    spec: r.spec ?? "",
    acctfg: r.acctfg ?? "",
    odrfg: r.odrfg ?? "",
    unit_dc: r.unit_dc ?? "",
    unitmang_dc: r.unitmang_dc ?? "",
    unitchng_nb: r.unitchng_nb != null ? String(r.unitchng_nb) : "",
    lot_fg: r.lot_fg ?? "",
    use_yn: r.use_yn ?? "",
    qc_fg: r.qc_fg ?? "",
    setitem_fg: r.setitem_fg ?? "",
    req_fg: r.req_fg ?? "",
    unit_length: r.unit_length ?? "",
    unit_qty: r.unit_qty ?? "",
    remark: r.remark ?? "",
  };
}