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

const appService = new AppService()

export async function GET(request: NextRequest, { params }: { params: { id: string } }) {
  try {
    const { id: appId } = await params
    
    // 獲取應用基本統計
    const app = await appService.getAppById(appId)
    if (!app) {
      return NextResponse.json(
        { success: false, error: '應用不存在' },
        { status: 404 }
      )
    }

    // 獲取評分統計
    const ratingStats = await appService.getAppRatingStats(appId)
    
    // 獲取使用統計
    const usageStats = await appService.getAppUsageStats(appId)

    return NextResponse.json({
      success: true,
      data: {
        basic: {
          views: app.views_count || 0,
          likes: app.likes_count || 0,
          rating: ratingStats.averageRating || 0,
          reviewCount: ratingStats.totalRatings || 0
        },
        usage: usageStats,
        rating: ratingStats
      }
    })

  } catch (error) {
    console.error('獲取應用統計數據錯誤:', error)
    return NextResponse.json(
      { success: false, error: '獲取統計數據時發生錯誤' },
      { status: 500 }
    )
  }
}