新增 競賽建立、評審建立、團隊建立

app/api/admin/competitions/[id]/awards/route.ts

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+// =====================================================
+// 競賽獎項類型管理 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+
+// 獲取競賽的獎項類型列表
+export async function GET(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    
+    const awards = await CompetitionService.getCompetitionAwardTypes(id);
+    
+    return NextResponse.json({
+      success: true,
+      message: '競賽獎項類型列表獲取成功',
+      data: awards
+    });
+
+  } catch (error) {
+    console.error('獲取競賽獎項類型失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取競賽獎項類型失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
+
+// 為競賽添加獎項類型
+export async function POST(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    const body = await request.json();
+    const { awardTypes } = body;
+
+    if (!awardTypes || !Array.isArray(awardTypes) || awardTypes.length === 0) {
+      return NextResponse.json({
+        success: false,
+        message: '缺少獎項類型列表',
+        error: 'awardTypes 必須是非空陣列'
+      }, { status: 400 });
+    }
+
+    const result = await CompetitionService.addCompetitionAwardTypes(id, awardTypes);
+
+    return NextResponse.json({
+      success: true,
+      message: '獎項類型添加成功',
+      data: result
+    });
+
+  } catch (error) {
+    console.error('添加競賽獎項類型失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '添加競賽獎項類型失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
+
+// 從競賽中移除獎項類型
+export async function DELETE(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    const { searchParams } = new URL(request.url);
+    const awardTypeId = searchParams.get('awardTypeId');
+
+    if (!awardTypeId) {
+      return NextResponse.json({
+        success: false,
+        message: '缺少獎項類型ID',
+        error: 'awardTypeId 參數是必需的'
+      }, { status: 400 });
+    }
+
+    const result = await CompetitionService.removeCompetitionAwardType(id, awardTypeId);
+
+    return NextResponse.json({
+      success: true,
+      message: '獎項類型移除成功',
+      data: result
+    });
+
+  } catch (error) {
+    console.error('移除競賽獎項類型失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '移除競賽獎項類型失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}

app/api/admin/competitions/[id]/judges/route.ts

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+// =====================================================
+// 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 });
+  }
+}

app/api/admin/competitions/[id]/route.ts

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+// =====================================================
+// 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', '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.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（軟刪除）
+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 });
+    }
+
+    // 軟刪除：將 is_active 設為 false
+    const success = await CompetitionService.updateCompetition(id, { is_active: false });
+    
+    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 });
+  }
+}

app/api/admin/competitions/[id]/rules/route.ts

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+// =====================================================
+// 競賽評分規則管理 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+
+// 獲取競賽的評分規則列表
+export async function GET(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    
+    const rules = await CompetitionService.getCompetitionRules(id);
+    
+    return NextResponse.json({
+      success: true,
+      message: '競賽評分規則列表獲取成功',
+      data: rules
+    });
+
+  } catch (error) {
+    console.error('獲取競賽評分規則失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取競賽評分規則失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
+
+// 為競賽添加評分規則
+export async function POST(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    const body = await request.json();
+    const { rules } = body;
+
+    if (!rules || !Array.isArray(rules) || rules.length === 0) {
+      return NextResponse.json({
+        success: false,
+        message: '缺少評分規則列表',
+        error: 'rules 必須是非空陣列'
+      }, { status: 400 });
+    }
+
+    const result = await CompetitionService.addCompetitionRules(id, rules);
+
+    return NextResponse.json({
+      success: true,
+      message: '評分規則添加成功',
+      data: result
+    });
+
+  } catch (error) {
+    console.error('添加競賽評分規則失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '添加競賽評分規則失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
+
+// 從競賽中移除評分規則
+export async function DELETE(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    const { searchParams } = new URL(request.url);
+    const ruleId = searchParams.get('ruleId');
+
+    if (!ruleId) {
+      return NextResponse.json({
+        success: false,
+        message: '缺少評分規則ID',
+        error: 'ruleId 參數是必需的'
+      }, { status: 400 });
+    }
+
+    const result = await CompetitionService.removeCompetitionRule(id, ruleId);
+
+    return NextResponse.json({
+      success: true,
+      message: '評分規則移除成功',
+      data: result
+    });
+
+  } catch (error) {
+    console.error('移除競賽評分規則失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '移除競賽評分規則失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}

app/api/admin/competitions/[id]/teams/route.ts

@@ -0,0 +1,95 @@
+// =====================================================
+// 競賽團隊關聯管理 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+
+// 獲取競賽的團隊列表
+export async function GET(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    
+    const teams = await CompetitionService.getCompetitionTeams(id);
+    
+    return NextResponse.json({
+      success: true,
+      message: '競賽團隊列表獲取成功',
+      data: teams
+    });
+
+  } catch (error) {
+    console.error('獲取競賽團隊失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取競賽團隊失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
+
+// 為競賽添加團隊
+export async function POST(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    const body = await request.json();
+    const { teamIds } = body;
+
+    if (!teamIds || !Array.isArray(teamIds) || teamIds.length === 0) {
+      return NextResponse.json({
+        success: false,
+        message: '缺少團隊ID列表',
+        error: 'teamIds 必須是非空陣列'
+      }, { status: 400 });
+    }
+
+    const result = await CompetitionService.addCompetitionTeams(id, teamIds);
+
+    return NextResponse.json({
+      success: true,
+      message: '團隊添加成功',
+      data: result
+    });
+
+  } catch (error) {
+    console.error('添加競賽團隊失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '添加競賽團隊失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
+
+// 從競賽中移除團隊
+export async function DELETE(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    const { searchParams } = new URL(request.url);
+    const teamId = searchParams.get('teamId');
+
+    if (!teamId) {
+      return NextResponse.json({
+        success: false,
+        message: '缺少團隊ID',
+        error: 'teamId 參數是必需的'
+      }, { status: 400 });
+    }
+
+    const result = await CompetitionService.removeCompetitionTeam(id, teamId);
+
+    return NextResponse.json({
+      success: true,
+      message: '團隊移除成功',
+      data: result
+    });
+
+  } catch (error) {
+    console.error('移除競賽團隊失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '移除競賽團隊失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}

app/api/admin/competitions/route.ts

@@ -0,0 +1,189 @@
+// =====================================================
+// 競賽管理 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+
+// 獲取所有競賽
+export async function GET(request: NextRequest) {
+  try {
+    const competitions = await CompetitionService.getAllCompetitions();
+    
+    // 為每個競賽獲取關聯數據
+    const competitionsWithDetails = await Promise.all(
+      competitions.map(async (competition) => {
+        try {
+          const fullCompetition = await CompetitionService.getCompetitionWithDetails(competition.id);
+          return fullCompetition;
+        } catch (error) {
+          console.error(`獲取競賽 ${competition.id} 詳細信息失敗:`, error);
+          return competition; // 如果獲取詳細信息失敗，返回基本競賽信息
+        }
+      })
+    );
+    
+    return NextResponse.json({
+      success: true,
+      message: '競賽列表獲取成功',
+      data: competitionsWithDetails
+    });
+
+  } catch (error) {
+    console.error('獲取競賽列表失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取競賽列表失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
+
+// 創建新競賽
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const {
+      name,
+      year,
+      month,
+      startDate,
+      endDate,
+      status = 'upcoming',
+      description,
+      type = 'individual',
+      evaluationFocus,
+      maxTeamSize,
+      isActive = true,
+      // 關聯數據
+      judges = [],
+      teams = [],
+      awardTypes = [],
+      rules = []
+    } = body;
+
+    // 驗證必填欄位
+    if (!name || !year || !month || !startDate || !endDate || !type) {
+      return NextResponse.json({
+        success: false,
+        message: '缺少必填欄位',
+        error: 'name, year, month, startDate, endDate, type 為必填欄位'
+      }, { status: 400 });
+    }
+
+    // 驗證日期格式
+    const startDateObj = new Date(startDate);
+    const endDateObj = new Date(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 });
+    }
+
+    // 驗證結束日期不能早於開始日期
+    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
+    const validTypes = ['individual', 'team', 'mixed', 'proposal'];
+    if (!validTypes.includes(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
+    const validStatuses = ['upcoming', 'active', 'judging', 'completed'];
+    if (!validStatuses.includes(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 });
+    }
+
+    // 創建競賽
+    const competitionData = {
+      name,
+      year: parseInt(year),
+      month: parseInt(month),
+      start_date: startDate,
+      end_date: endDate,
+      status,
+      description: description || null,
+      type,
+      evaluation_focus: evaluationFocus || null,
+      max_team_size: maxTeamSize ? parseInt(maxTeamSize) : null,
+      is_active: isActive
+    };
+
+    const newCompetition = await CompetitionService.createCompetition(competitionData);
+
+    // 保存關聯數據
+    if (newCompetition) {
+      try {
+        // 保存評審關聯
+        if (judges && judges.length > 0) {
+          await CompetitionService.addCompetitionJudges(newCompetition.id, judges);
+        }
+
+        // 保存團隊關聯
+        if (teams && teams.length > 0) {
+          await CompetitionService.addCompetitionTeams(newCompetition.id, teams);
+        }
+
+        // 保存獎項類型
+        if (awardTypes && awardTypes.length > 0) {
+          await CompetitionService.addCompetitionAwardTypes(newCompetition.id, awardTypes);
+        }
+
+        // 保存評分規則
+        if (rules && rules.length > 0) {
+          await CompetitionService.addCompetitionRules(newCompetition.id, rules);
+        }
+
+        // 獲取完整的競賽信息（包含關聯數據）
+        const fullCompetition = await CompetitionService.getCompetitionWithDetails(newCompetition.id);
+
+        return NextResponse.json({
+          success: true,
+          message: '競賽創建成功',
+          data: fullCompetition
+        });
+      } catch (error) {
+        console.error('保存競賽關聯數據失敗:', error);
+        // 即使關聯數據保存失敗，競賽本身已經創建成功
+        return NextResponse.json({
+          success: true,
+          message: '競賽創建成功，但部分關聯數據保存失敗',
+          data: newCompetition,
+          warning: '部分關聯數據可能未正確保存，請檢查資料庫狀態'
+        });
+      }
+    }
+
+    return NextResponse.json({
+      success: false,
+      message: '競賽創建失敗',
+      error: '無法創建競賽'
+    }, { status: 500 });
+
+  } catch (error) {
+    console.error('創建競賽失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '創建競賽失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}

app/api/admin/competitions/stats/route.ts

@@ -0,0 +1,45 @@
+// =====================================================
+// 競賽統計 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+
+// 獲取競賽統計數據
+export async function GET(request: NextRequest) {
+  try {
+    const competitions = await CompetitionService.getAllCompetitions();
+    
+    // 計算統計數據
+    const stats = {
+      total: competitions.length,
+      upcoming: competitions.filter(c => c.status === 'upcoming').length,
+      active: competitions.filter(c => c.status === 'active').length,
+      judging: competitions.filter(c => c.status === 'judging').length,
+      completed: competitions.filter(c => c.status === 'completed').length,
+      individual: competitions.filter(c => c.type === 'individual').length,
+      team: competitions.filter(c => c.type === 'team').length,
+      mixed: competitions.filter(c => c.type === 'mixed').length,
+      proposal: competitions.filter(c => c.type === 'proposal').length,
+      currentYear: competitions.filter(c => c.year === new Date().getFullYear()).length,
+      thisMonth: competitions.filter(c => 
+        c.year === new Date().getFullYear() && 
+        c.month === new Date().getMonth() + 1
+      ).length
+    };
+
+    return NextResponse.json({
+      success: true,
+      message: '競賽統計獲取成功',
+      data: stats
+    });
+
+  } catch (error) {
+    console.error('獲取競賽統計失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取競賽統計失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}