'use client';

/**
 * 점검표 등록/수정 폼 컴포넌트
 *
 * 기획서 스크린샷 2 기준:
 * - 기본 정보: 점검표 번호(자동), 점검표명, 상태
 */

import { useState, useCallback } from 'react';
import { useRouter } from 'next/navigation';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Input } from '@/components/ui/input';
import { Label } from '@/components/ui/label';
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from '@/components/ui/select';
import { IntegratedDetailTemplate } from '@/components/templates/IntegratedDetailTemplate';
import { toast } from 'sonner';
import type { Checklist } from '@/types/checklist';
import { createChecklist, updateChecklist } from './actions';
import type { DetailConfig } from '@/components/templates/IntegratedDetailTemplate/types';

const createConfig: DetailConfig = {
  title: '점검표',
  description: '새로운 점검표를 등록합니다',
  basePath: '',
  fields: [],
  actions: {
    showBack: true,
    showEdit: false,
    showDelete: false,
    showSave: true,
    submitLabel: '등록',
  },
};

const editConfig: DetailConfig = {
  ...createConfig,
  description: '점검표 정보를 수정합니다',
  actions: {
    ...createConfig.actions,
    submitLabel: '저장',
  },
};

interface ChecklistFormProps {
  mode: 'create' | 'edit';
  initialData?: Checklist;
}

export function ChecklistForm({ mode, initialData }: ChecklistFormProps) {
  const router = useRouter();
  const isEdit = mode === 'edit';

  const [checklistName, setChecklistName] = useState(initialData?.checklistName || '');
  const [status, setStatus] = useState<string>(initialData?.status || '사용');
  const [isLoading, setIsLoading] = useState(false);

  const handleSubmit = async (): Promise<{ success: boolean; error?: string }> => {
    if (!checklistName.trim()) {
      toast.error('점검표명을 입력해주세요.');
      return { success: false, error: '점검표명을 입력해주세요.' };
    }

    const formData = {
      checklistName: checklistName.trim(),
      status: status as '사용' | '미사용',
    };

    setIsLoading(true);
    try {
      if (isEdit && initialData?.id) {
        const result = await updateChecklist(initialData.id, formData);
        if (result.success) {
          toast.success('점검표가 수정되었습니다.');
          router.push(`/ko/master-data/checklist-management/${initialData.id}?mode=view`);
          return { success: true };
        } else {
          toast.error(result.error || '수정에 실패했습니다.');
          return { success: false, error: result.error };
        }
      } else {
        const result = await createChecklist(formData);
        if (result.success && result.data) {
          toast.success('점검표가 등록되었습니다.');
          router.push(`/ko/master-data/checklist-management/${result.data.id}?mode=view`);
          return { success: true };
        } else {
          toast.error(result.error || '등록에 실패했습니다.');
          return { success: false, error: result.error };
        }
      }
    } catch {
      toast.error('처리 중 오류가 발생했습니다.');
      return { success: false, error: '처리 중 오류가 발생했습니다.' };
    } finally {
      setIsLoading(false);
    }
  };

  const handleCancel = () => {
    if (isEdit && initialData?.id) {
      router.push(`/ko/master-data/checklist-management/${initialData.id}?mode=view`);
    } else {
      router.push('/ko/master-data/checklist-management');
    }
  };

  const renderFormContent = useCallback(
    () => (
      <div className="space-y-6">
        <Card>
          <CardHeader className="bg-muted/50">
            <CardTitle className="text-base">기본 정보</CardTitle>
          </CardHeader>
          <CardContent className="pt-6">
            <div className="grid grid-cols-1 sm:grid-cols-3 gap-6">
              <div className="space-y-2">
                <Label>점검표 번호</Label>
                <Input
                  value={initialData?.checklistCode || '자동생성'}
                  disabled
                  className="bg-muted"
                />
              </div>
              <div className="space-y-2">
                <Label htmlFor="checklistName">점검표 *</Label>
                <Input
                  id="checklistName"
                  value={checklistName}
                  onChange={(e) => setChecklistName(e.target.value)}
                  placeholder="점검표명을 입력하세요"
                />
              </div>
              <div className="space-y-2">
                <Label>상태</Label>
                <Select value={status} onValueChange={setStatus}>
                  <SelectTrigger>
                    <SelectValue />
                  </SelectTrigger>
                  <SelectContent>
                    <SelectItem value="사용">사용</SelectItem>
                    <SelectItem value="미사용">미사용</SelectItem>
                  </SelectContent>
                </Select>
              </div>
            </div>
          </CardContent>
        </Card>
      </div>
    ),
    [checklistName, status, initialData?.checklistCode]
  );

  const config = isEdit ? editConfig : createConfig;

  return (
    <IntegratedDetailTemplate
      config={config}
      mode={isEdit ? 'edit' : 'create'}
      isLoading={false}
      onCancel={handleCancel}
      onSubmit={handleSubmit}
      renderForm={renderFormContent}
    />
  );
}