'use client';

/**
 * 작업일지 모달
 *
 * document-system 통합 버전 (2026-01-22)
 * 공정별 작업일지 지원 (2026-01-29)
 * - DocumentViewer 사용
 * - 공정 타입에 따라 스크린/슬랫/절곡 작업일지 분기
 * - processType 미지정 시 기존 WorkLogContent (범용) 사용
 */

import { useState, useEffect } from 'react';
import { Loader2 } from 'lucide-react';
import { DocumentViewer } from '@/components/document-system';
import { getWorkOrderById } from '../WorkOrders/actions';
import type { WorkOrder, ProcessType } from '../WorkOrders/types';
import { WorkLogContent } from './WorkLogContent';
import {
  ScreenWorkLogContent,
  SlatWorkLogContent,
  BendingWorkLogContent,
} from '../WorkOrders/documents';

interface WorkLogModalProps {
  open: boolean;
  onOpenChange: (open: boolean) => void;
  workOrderId: string | null;
  processType?: ProcessType;
}

export function WorkLogModal({ open, onOpenChange, workOrderId, processType }: WorkLogModalProps) {
  const [order, setOrder] = useState<WorkOrder | null>(null);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  // 목업 WorkOrder 생성
  const createMockOrder = (id: string, pType?: ProcessType): WorkOrder => ({
    id,
    workOrderNo: 'KD-WO-260129-01',
    lotNo: 'KD-SA-260129-01',
    processId: 1,
    processName: pType === 'slat' ? '슬랫' : pType === 'bending' ? '절곡' : '스크린',
    processCode: pType || 'screen',
    processType: pType || 'screen',
    status: 'in_progress',
    client: '(주)경동',
    projectName: '서울 강남 현장',
    dueDate: '2026-02-05',
    assignee: '홍길동',
    assignees: [{ id: '1', name: '홍길동', isPrimary: true }],
    orderDate: '2026-01-20',
    scheduledDate: '2026-01-29',
    shipmentDate: '2026-02-05',
    salesOrderDate: '2026-01-15',
    isAssigned: true,
    isStarted: true,
    priority: 3,
    priorityLabel: '긴급',
    shutterCount: 12,
    department: '생산부',
    items: [
      { id: '1', no: 1, status: 'in_progress', productName: '와이어 스크린', floorCode: '1층/FSS-01', specification: '8,260 X 8,350', quantity: 2, unit: 'EA' },
      { id: '2', no: 2, status: 'waiting', productName: '메쉬 스크린', floorCode: '2층/FSS-03', specification: '6,400 X 5,200', quantity: 4, unit: 'EA' },
      { id: '3', no: 3, status: 'completed', productName: '광폭 와이어', floorCode: '3층/FSS-05', specification: '12,000 X 4,500', quantity: 1, unit: 'EA' },
    ],
    currentStep: { key: 'cutting', label: '절단', order: 2 },
    completedSteps: ['material_input'],
    totalProgress: 25,
    issues: [],
    memo: '',
    createdAt: '2026-01-20T09:00:00',
    updatedAt: '2026-01-29T14:00:00',
  });

  // 모달 열릴 때 데이터 fetch
  useEffect(() => {
    if (open && workOrderId) {
      // 목업 ID인 경우 API 호출 생략
      if (workOrderId.startsWith('mock-')) {
        setOrder(createMockOrder(workOrderId, processType));
        setError(null);
        return;
      }

      setIsLoading(true);
      setError(null);

      getWorkOrderById(workOrderId)
        .then((result) => {
          if (result.success && result.data) {
            setOrder(result.data);
          } else {
            setError(result.error || '데이터를 불러올 수 없습니다.');
          }
        })
        .catch(() => {
          setError('서버 오류가 발생했습니다.');
        })
        .finally(() => {
          setIsLoading(false);
        });
    } else if (!open) {
      // 모달 닫힐 때 상태 초기화
      setOrder(null);
      setError(null);
    }
  }, [open, workOrderId, processType]);

  if (!workOrderId) return null;

  // 로딩/에러 상태는 DocumentViewer 내부에서 처리
  const subtitle = order ? `${order.processName} 생산부서` : undefined;

  // 공정 타입에 따라 콘텐츠 분기
  const renderContent = () => {
    if (!order) return null;

    // processType prop 또는 order의 processType 사용
    const type = processType || order.processType;

    switch (type) {
      case 'screen':
        return <ScreenWorkLogContent data={order} />;
      case 'slat':
        return <SlatWorkLogContent data={order} />;
      case 'bending':
        return <BendingWorkLogContent data={order} />;
      default:
        return <WorkLogContent data={order} />;
    }
  };

  return (
    <DocumentViewer
      title="작업일지"
      subtitle={subtitle}
      preset="inspection"
      open={open}
      onOpenChange={onOpenChange}
    >
      {isLoading ? (
        <div className="flex items-center justify-center h-64 bg-white">
          <Loader2 className="w-8 h-8 animate-spin text-muted-foreground" />
        </div>
      ) : error || !order ? (
        <div className="flex flex-col items-center justify-center h-64 gap-4 bg-white">
          <p className="text-muted-foreground">{error || '데이터를 불러올 수 없습니다.'}</p>
        </div>
      ) : (
        renderContent()
      )}
    </DocumentViewer>
  );
}