"use client";

/**
 * 메일 수신자 선택 컴포넌트 설정 패널
 * 화면관리에서 컴포넌트 설정 시 사용
 */

import React, { useEffect, useState, useCallback } from "react";
import { Label } from "@/components/ui/label";
import { Input } from "@/components/ui/input";
import { Switch } from "@/components/ui/switch";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import type { MailRecipientSelectorConfig } from "./types";

interface MailRecipientSelectorConfigPanelProps {
  config: MailRecipientSelectorConfig;
  onConfigChange: (config: MailRecipientSelectorConfig) => void;
}

export const MailRecipientSelectorConfigPanel: React.FC<
  MailRecipientSelectorConfigPanelProps
> = ({ config, onConfigChange }) => {
  // 로컬 상태
  const [localConfig, setLocalConfig] = useState<MailRecipientSelectorConfig>({
    toFieldName: "mailTo",
    ccFieldName: "mailCc",
    showCc: true,
    showInternalSelector: true,
    showExternalInput: true,
    toLabel: "수신자",
    ccLabel: "참조(CC)",
    required: true,
    ...config,
  });

  // config prop 변경 시 로컬 상태 동기화
  useEffect(() => {
    setLocalConfig({
      toFieldName: "mailTo",
      ccFieldName: "mailCc",
      showCc: true,
      showInternalSelector: true,
      showExternalInput: true,
      toLabel: "수신자",
      ccLabel: "참조(CC)",
      required: true,
      ...config,
    });
  }, [config]);

  // 설정 업데이트 함수
  const updateConfig = useCallback(
    (key: keyof MailRecipientSelectorConfig, value: any) => {
      const newConfig = { ...localConfig, [key]: value };
      setLocalConfig(newConfig);
      onConfigChange(newConfig);
    },
    [localConfig, onConfigChange]
  );

  return (
    <div className="space-y-4">
      {/* 필드명 설정 */}
      <Card>
        <CardHeader className="py-3">
          <CardTitle className="text-sm">필드명 설정</CardTitle>
        </CardHeader>
        <CardContent className="space-y-3">
          <div className="space-y-1">
            <Label className="text-xs">수신자 필드명</Label>
            <Input
              value={localConfig.toFieldName || "mailTo"}
              onChange={(e) => updateConfig("toFieldName", e.target.value)}
              placeholder="mailTo"
              className="h-8 text-sm"
            />
            <p className="text-[10px] text-gray-500">
              formData에 저장될 수신자 필드명 (제어에서 {`{{mailTo}}`}로 사용)
            </p>
          </div>

          <div className="space-y-1">
            <Label className="text-xs">참조 필드명</Label>
            <Input
              value={localConfig.ccFieldName || "mailCc"}
              onChange={(e) => updateConfig("ccFieldName", e.target.value)}
              placeholder="mailCc"
              className="h-8 text-sm"
            />
            <p className="text-[10px] text-gray-500">
              formData에 저장될 참조 필드명 (제어에서 {`{{mailCc}}`}로 사용)
            </p>
          </div>
        </CardContent>
      </Card>

      {/* 표시 옵션 */}
      <Card>
        <CardHeader className="py-3">
          <CardTitle className="text-sm">표시 옵션</CardTitle>
        </CardHeader>
        <CardContent className="space-y-3">
          <div className="flex items-center justify-between">
            <div>
              <Label className="text-xs">참조(CC) 필드 표시</Label>
              <p className="text-[10px] text-gray-500">참조 수신자 입력 필드 표시</p>
            </div>
            <Switch
              checked={localConfig.showCc !== false}
              onCheckedChange={(checked) => updateConfig("showCc", checked)}
            />
          </div>

          <div className="flex items-center justify-between">
            <div>
              <Label className="text-xs">내부 인원 선택</Label>
              <p className="text-[10px] text-gray-500">회사 내부 사용자 선택 기능</p>
            </div>
            <Switch
              checked={localConfig.showInternalSelector !== false}
              onCheckedChange={(checked) =>
                updateConfig("showInternalSelector", checked)
              }
            />
          </div>

          <div className="flex items-center justify-between">
            <div>
              <Label className="text-xs">외부 이메일 입력</Label>
              <p className="text-[10px] text-gray-500">외부 이메일 직접 입력 기능</p>
            </div>
            <Switch
              checked={localConfig.showExternalInput !== false}
              onCheckedChange={(checked) =>
                updateConfig("showExternalInput", checked)
              }
            />
          </div>

          <div className="flex items-center justify-between">
            <div>
              <Label className="text-xs">필수 입력</Label>
              <p className="text-[10px] text-gray-500">수신자 필수 입력 여부</p>
            </div>
            <Switch
              checked={localConfig.required !== false}
              onCheckedChange={(checked) => updateConfig("required", checked)}
            />
          </div>
        </CardContent>
      </Card>

      {/* 라벨 설정 */}
      <Card>
        <CardHeader className="py-3">
          <CardTitle className="text-sm">라벨 설정</CardTitle>
        </CardHeader>
        <CardContent className="space-y-3">
          <div className="space-y-1">
            <Label className="text-xs">수신자 라벨</Label>
            <Input
              value={localConfig.toLabel || "수신자"}
              onChange={(e) => updateConfig("toLabel", e.target.value)}
              placeholder="수신자"
              className="h-8 text-sm"
            />
          </div>

          <div className="space-y-1">
            <Label className="text-xs">참조 라벨</Label>
            <Input
              value={localConfig.ccLabel || "참조(CC)"}
              onChange={(e) => updateConfig("ccLabel", e.target.value)}
              placeholder="참조(CC)"
              className="h-8 text-sm"
            />
          </div>
        </CardContent>
      </Card>

      {/* 제한 설정 */}
      <Card>
        <CardHeader className="py-3">
          <CardTitle className="text-sm">제한 설정</CardTitle>
        </CardHeader>
        <CardContent className="space-y-3">
          <div className="space-y-1">
            <Label className="text-xs">최대 수신자 수</Label>
            <Input
              type="number"
              value={localConfig.maxRecipients || ""}
              onChange={(e) =>
                updateConfig(
                  "maxRecipients",
                  e.target.value ? parseInt(e.target.value) : undefined
                )
              }
              placeholder="무제한"
              className="h-8 text-sm"
            />
          </div>

          <div className="space-y-1">
            <Label className="text-xs">최대 참조 수신자 수</Label>
            <Input
              type="number"
              value={localConfig.maxCcRecipients || ""}
              onChange={(e) =>
                updateConfig(
                  "maxCcRecipients",
                  e.target.value ? parseInt(e.target.value) : undefined
                )
              }
              placeholder="무제한"
              className="h-8 text-sm"
            />
          </div>
        </CardContent>
      </Card>

      {/* 사용 안내 */}
      <Card className="bg-blue-50">
        <CardContent className="p-3">
          <div className="text-xs text-blue-700">
            <p className="font-medium mb-1">사용 방법</p>
            <ol className="list-decimal list-inside space-y-1">
              <li>이 컴포넌트를 모달 화면에 배치합니다.</li>
              <li>
                제어관리의 메일 발송 노드에서 수신자를{" "}
                <code className="bg-blue-100 px-1 rounded">{`{{mailTo}}`}</code>로 설정합니다.
              </li>
              <li>
                참조는{" "}
                <code className="bg-blue-100 px-1 rounded">{`{{mailCc}}`}</code>로 설정합니다.
              </li>
              <li>부모 화면에서 선택한 데이터는 별도 변수로 접근 가능합니다.</li>
            </ol>
          </div>
        </CardContent>
      </Card>
    </div>
  );
};

export default MailRecipientSelectorConfigPanel;