"use client";

import { useState } from "react";
import { ClockConfig } from "../types";
import { Button } from "@/components/ui/button";
import { Label } from "@/components/ui/label";
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
import { Switch } from "@/components/ui/switch";
import { Input } from "@/components/ui/input";
import { Card } from "@/components/ui/card";
import { Separator } from "@/components/ui/separator";

interface ClockSettingsProps {
  config: ClockConfig;
  onSave: (config: ClockConfig) => void;
  onClose: () => void;
}

/**
 * 시계 위젯 설정 UI (Popover 내부용)
 * - 모달 없이 순수 설정 폼만 제공
 */
export function ClockSettings({ config, onSave, onClose }: ClockSettingsProps) {
  const [localConfig, setLocalConfig] = useState<ClockConfig>(config);

  const handleSave = () => {
    onSave(localConfig);
  };

  return (
    <div className="flex max-h-[600px] flex-col">
      {/* 헤더 */}
      <div className="border-b p-4">
        <h3 className="flex items-center gap-2 text-lg font-semibold">
          <span>⏰</span>
          시계 설정
        </h3>
      </div>

      {/* 내용 - 스크롤 가능 */}
      <div className="flex-1 space-y-4 overflow-y-auto p-4">
        {/* 스타일 선택 */}
        <div className="space-y-2">
          <Label className="text-sm font-semibold">시계 스타일</Label>
          <div className="grid grid-cols-3 gap-2">
            {[
              { value: "digital", label: "디지털" },
              { value: "analog", label: "아날로그" },
              { value: "both", label: "둘 다" },
            ].map((style) => (
              <Button
                key={style.value}
                type="button"
                variant={localConfig.style === style.value ? "default" : "outline"}
                onClick={() => setLocalConfig({ ...localConfig, style: style.value as any })}
                className="flex h-auto flex-col items-center gap-1 py-3"
                size="sm"
              >
                <span className="text-xs">{style.label}</span>
              </Button>
            ))}
          </div>
        </div>

        <Separator />

        {/* 타임존 선택 */}
        <div className="space-y-2">
          <Label className="text-sm font-semibold">타임존</Label>
          <Select
            value={localConfig.timezone}
            onValueChange={(value) => setLocalConfig({ ...localConfig, timezone: value })}
          >
            <SelectTrigger className="w-full" size="sm">
              <SelectValue />
            </SelectTrigger>
            <SelectContent>
              <SelectItem value="Asia/Seoul">🇰🇷 서울 (KST)</SelectItem>
              <SelectItem value="Asia/Tokyo">🇯🇵 도쿄 (JST)</SelectItem>
              <SelectItem value="Asia/Shanghai">🇨🇳 베이징 (CST)</SelectItem>
              <SelectItem value="America/New_York">🇺🇸 뉴욕 (EST)</SelectItem>
              <SelectItem value="America/Los_Angeles">🇺🇸 LA (PST)</SelectItem>
              <SelectItem value="Europe/London">🇬🇧 런던 (GMT)</SelectItem>
              <SelectItem value="Europe/Paris">🇫🇷 파리 (CET)</SelectItem>
              <SelectItem value="Australia/Sydney">🇦🇺 시드니 (AEDT)</SelectItem>
            </SelectContent>
          </Select>
        </div>

        <Separator />

        {/* 테마 선택 */}
        <div className="space-y-2">
          <Label className="text-sm font-semibold">테마</Label>
          <div className="grid grid-cols-3 gap-2">
            {[
              {
                value: "light",
                label: "Light",
                gradient: "bg-gradient-to-br from-background to-muted",
                text: "text-foreground",
              },
              {
                value: "dark",
                label: "Dark",
                gradient: "bg-gradient-to-br from-foreground to-foreground",
                text: "text-background",
              },
              {
                value: "custom",
                label: "사용자",
                gradient: "bg-gradient-to-br from-primary to-primary/80",
                text: "text-primary-foreground",
              },
            ].map((theme) => (
              <Button
                key={theme.value}
                type="button"
                variant="outline"
                onClick={() => setLocalConfig({ ...localConfig, theme: theme.value as any })}
                className={`relative h-auto overflow-hidden p-0 ${
                  localConfig.theme === theme.value ? "ring-primary ring-2 ring-offset-2" : ""
                }`}
                size="sm"
              >
                <div className={`${theme.gradient} ${theme.text} w-full rounded px-3 py-2 text-xs font-medium`}>
                  {theme.label}
                </div>
              </Button>
            ))}
          </div>

          {/* 사용자 지정 색상 */}
          {localConfig.theme === "custom" && (
            <Card className="mt-2 border p-3">
              <Label className="mb-2 block text-xs font-medium">배경 색상</Label>
              <div className="flex items-center gap-2">
                <Input
                  type="color"
                  value={localConfig.customColor || "#3b82f6"}
                  onChange={(e) => setLocalConfig({ ...localConfig, customColor: e.target.value })}
                  className="h-10 w-16 cursor-pointer"
                />
                <Input
                  type="text"
                  value={localConfig.customColor || "#3b82f6"}
                  onChange={(e) => setLocalConfig({ ...localConfig, customColor: e.target.value })}
                  placeholder="#3b82f6"
                  className="flex-1 font-mono text-xs"
                />
              </div>
            </Card>
          )}
        </div>

        <Separator />

        {/* 옵션 토글 */}
        <div className="space-y-2">
          <Label className="text-sm font-semibold">표시 옵션</Label>
          <div className="space-y-2">
            {/* 날짜 표시 */}
            <div className="flex items-center justify-between rounded-lg border p-3">
              <div className="flex items-center gap-2">
                <span className="text-lg">📅</span>
                <Label className="cursor-pointer text-sm">날짜 표시</Label>
              </div>
              <Switch
                checked={localConfig.showDate}
                onCheckedChange={(checked) => setLocalConfig({ ...localConfig, showDate: checked })}
              />
            </div>

            {/* 초 표시 */}
            <div className="flex items-center justify-between rounded-lg border p-3">
              <div className="flex items-center gap-2">
                <span className="text-lg">⏱️</span>
                <Label className="cursor-pointer text-sm">초 표시</Label>
              </div>
              <Switch
                checked={localConfig.showSeconds}
                onCheckedChange={(checked) => setLocalConfig({ ...localConfig, showSeconds: checked })}
              />
            </div>

            {/* 24시간 형식 */}
            <div className="flex items-center justify-between rounded-lg border p-3">
              <div className="flex items-center gap-2">
                <span className="text-lg">🕐</span>
                <Label className="cursor-pointer text-sm">24시간 형식</Label>
              </div>
              <Switch
                checked={localConfig.format24h}
                onCheckedChange={(checked) => setLocalConfig({ ...localConfig, format24h: checked })}
              />
            </div>
          </div>
        </div>
      </div>

      {/* 푸터 */}
      <div className="flex justify-end gap-2 border-t p-4">
        <Button variant="outline" size="sm" onClick={onClose}>
          취소
        </Button>
        <Button size="sm" onClick={handleSave}>
          저장
        </Button>
      </div>
    </div>
  );
}
