ai-showcase-platform/app/api/admin/competitions/[id]/route.ts

// =====================================================
// 競賽詳細操作 API
// =====================================================

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

// 獲取單一競賽
export async function GET(request: NextRequest, { params }: { params: { id: string } }) {
  try {
    const { id } = await params;
    
    const competition = await CompetitionService.getCompetitionWithDetails(id);
    
    if (!competition) {
      return NextResponse.json({
        success: false,
        message: '競賽不存在',
        error: '找不到指定的競賽'
      }, { status: 404 });
    }

    return NextResponse.json({
      success: true,
      message: '競賽獲取成功',
      data: competition
    });

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

// 更新競賽
export async function PUT(request: NextRequest, { params }: { params: { id: string } }) {
  try {
    const { id } = await params;
    const body = await request.json();
    
    // 檢查競賽是否存在
    const existingCompetition = await CompetitionService.getCompetitionById(id);
    if (!existingCompetition) {
      return NextResponse.json({
        success: false,
        message: '競賽不存在',
        error: '找不到指定的競賽'
      }, { status: 404 });
    }

    // 驗證日期（如果提供）
    if (body.startDate && body.endDate) {
      const startDateObj = new Date(body.startDate);
      const endDateObj = new Date(body.endDate);
      
      if (isNaN(startDateObj.getTime()) || isNaN(endDateObj.getTime())) {
        return NextResponse.json({
          success: false,
          message: '日期格式無效',
          error: 'startDate 和 endDate 必須是有效的日期格式'
        }, { status: 400 });
      }

      if (endDateObj <= startDateObj) {
        return NextResponse.json({
          success: false,
          message: '結束日期不能早於或等於開始日期',
          error: 'endDate 必須晚於 startDate'
        }, { status: 400 });
      }
    }

    // 驗證競賽類型（如果提供）
    if (body.type) {
      const validTypes = ['individual', 'team', 'mixed', 'proposal'];
      if (!validTypes.includes(body.type)) {
        return NextResponse.json({
          success: false,
          message: '無效的競賽類型',
          error: `type 必須是以下之一: ${validTypes.join(', ')}`
        }, { status: 400 });
      }
    }

    // 驗證狀態（如果提供）
    if (body.status) {
      const validStatuses = ['upcoming', 'ongoing', 'active', 'judging', 'completed'];
      if (!validStatuses.includes(body.status)) {
        return NextResponse.json({
          success: false,
          message: '無效的競賽狀態',
          error: `status 必須是以下之一: ${validStatuses.join(', ')}`
        }, { status: 400 });
      }
    }

    // 準備更新資料
    const updateData: any = {};
    
    if (body.name !== undefined) updateData.name = body.name;
    if (body.year !== undefined) updateData.year = parseInt(body.year);
    if (body.month !== undefined) updateData.month = parseInt(body.month);
    if (body.startDate !== undefined) updateData.start_date = body.startDate;
    if (body.endDate !== undefined) updateData.end_date = body.endDate;
    if (body.status !== undefined) updateData.status = body.status;
    if (body.description !== undefined) updateData.description = body.description;
    if (body.type !== undefined) updateData.type = body.type;
    if (body.evaluationFocus !== undefined) updateData.evaluation_focus = body.evaluationFocus;
    if (body.maxTeamSize !== undefined) updateData.max_team_size = body.maxTeamSize ? parseInt(body.maxTeamSize) : null;
    if (body.isActive !== undefined) updateData.is_active = body.isActive;

    // 執行更新
    const success = await CompetitionService.updateCompetition(id, updateData);
    
    if (!success) {
      return NextResponse.json({
        success: false,
        message: '更新競賽失敗',
        error: '無法更新競賽資料'
      }, { status: 500 });
    }

    // 更新關聯數據
    if (body.judges !== undefined) {
      await CompetitionService.addCompetitionJudges(id, body.judges || []);
    }
    if (body.teams !== undefined) {
      await CompetitionService.addCompetitionTeams(id, body.teams || []);
    }
    if (body.participatingApps !== undefined) {
      await CompetitionService.addCompetitionApps(id, body.participatingApps || []);
    }
    if (body.awardTypes !== undefined) {
      await CompetitionService.addCompetitionAwardTypes(id, body.awardTypes || []);
    }
    if (body.rules !== undefined) {
      await CompetitionService.addCompetitionRules(id, body.rules || []);
    }

    // 獲取更新後的完整競賽資料（包含關聯數據）
    const updatedCompetition = await CompetitionService.getCompetitionWithDetails(id);

    return NextResponse.json({
      success: true,
      message: '競賽更新成功',
      data: updatedCompetition
    });

  } catch (error) {
    console.error('更新競賽失敗:', error);
    return NextResponse.json({
      success: false,
      message: '更新競賽失敗',
      error: error instanceof Error ? error.message : '未知錯誤'
    }, { status: 500 });
  }
}

// 刪除競賽
export async function DELETE(request: NextRequest, { params }: { params: { id: string } }) {
  try {
    const { id } = await params;
    
    // 檢查競賽是否存在
    const existingCompetition = await CompetitionService.getCompetitionById(id);
    if (!existingCompetition) {
      return NextResponse.json({
        success: false,
        message: '競賽不存在',
        error: '找不到指定的競賽'
      }, { status: 404 });
    }

    // 使用雙寫功能刪除競賽
    const success = await CompetitionService.deleteCompetition(id);
    
    if (!success) {
      return NextResponse.json({
        success: false,
        message: '刪除競賽失敗',
        error: '無法刪除競賽'
      }, { status: 500 });
    }

    return NextResponse.json({
      success: true,
      message: '競賽刪除成功'
    });

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