// =====================================================
// 競賽評審關聯管理 API
// =====================================================

import { NextRequest, NextResponse } from 'next/server';
import { CompetitionService } from '@/lib/services/database-service';

// 獲取競賽的評審列表
export async function GET(request: NextRequest, { params }: { params: { id: string } }) {
  try {
    const { id } = await params;
    
    const judges = await CompetitionService.getCompetitionJudges(id);
    
    return NextResponse.json({
      success: true,
      message: '競賽評審列表獲取成功',
      data: judges
    });

  } catch (error) {
    console.error('獲取競賽評審失敗:', error);
    return NextResponse.json({
      success: false,
      message: '獲取競賽評審失敗',
      error: error instanceof Error ? error.message : '未知錯誤'
    }, { status: 500 });
  }
}

// 為競賽添加評審
export async function POST(request: NextRequest, { params }: { params: { id: string } }) {
  try {
    const { id } = await params;
    const body = await request.json();
    const { judgeIds } = body;

    if (!judgeIds || !Array.isArray(judgeIds) || judgeIds.length === 0) {
      return NextResponse.json({
        success: false,
        message: '缺少評審ID列表',
        error: 'judgeIds 必須是非空陣列'
      }, { status: 400 });
    }

    const result = await CompetitionService.addCompetitionJudges(id, judgeIds);

    return NextResponse.json({
      success: true,
      message: '評審添加成功',
      data: result
    });

  } catch (error) {
    console.error('添加競賽評審失敗:', error);
    return NextResponse.json({
      success: false,
      message: '添加競賽評審失敗',
      error: error instanceof Error ? error.message : '未知錯誤'
    }, { status: 500 });
  }
}

// 從競賽中移除評審
export async function DELETE(request: NextRequest, { params }: { params: { id: string } }) {
  try {
    const { id } = await params;
    const { searchParams } = new URL(request.url);
    const judgeId = searchParams.get('judgeId');

    if (!judgeId) {
      return NextResponse.json({
        success: false,
        message: '缺少評審ID',
        error: 'judgeId 參數是必需的'
      }, { status: 400 });
    }

    const result = await CompetitionService.removeCompetitionJudge(id, judgeId);

    return NextResponse.json({
      success: true,
      message: '評審移除成功',
      data: result
    });

  } catch (error) {
    console.error('移除競賽評審失敗:', error);
    return NextResponse.json({
      success: false,
      message: '移除競賽評審失敗',
      error: error instanceof Error ? error.message : '未知錯誤'
    }, { status: 500 });
  }
}