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

const appService = new AppService()

export async function GET(request: NextRequest) {
  try {
    const { searchParams } = new URL(request.url)
    const page = parseInt(searchParams.get('page') || '1')
    const limit = parseInt(searchParams.get('limit') || '5')
    const search = searchParams.get('search') || ''
    const category = searchParams.get('category') || 'all'
    const type = searchParams.get('type') || 'all'
    const status = searchParams.get('status') || 'all'

    // 獲取應用列表
    const { apps, total } = await appService.getAllApps({
      search,
      category,
      type,
      status,
      page,
      limit
    })

    // 獲取應用統計
    const stats = await appService.getDashboardStats()

    return NextResponse.json({
      success: true,
      data: {
        apps: apps.map(app => ({
          ...app,
          status: app.is_active ? 'published' : 'draft',
          views: app.views_count || 0,
          likes: app.likes_count || 0,
          rating: app.rating || 0,
          reviewCount: app.reviewCount || 0,
          creator: app.creator_name || '未知',
          department: app.creator_department || '未知',
          createdAt: app.created_at ? new Date(app.created_at).toLocaleDateString('zh-TW') : '-',
          icon: app.icon || 'Bot',
          iconColor: app.icon_color || 'from-blue-500 to-purple-500',
          appUrl: app.app_url
        })),
        pagination: {
          page,
          limit,
          total,
          totalPages: Math.ceil(total / limit)
        },
        stats
      }
    })

  } catch (error) {
    console.error('獲取應用列表錯誤:', error)
    return NextResponse.json(
      { success: false, error: '獲取應用列表時發生錯誤' },
      { status: 500 }
    )
  }
}

export async function POST(request: NextRequest) {
  try {
    const body = await request.json()
    const { name, description, creator_id, category, type, app_url, icon, icon_color } = body

    // 驗證必填欄位
    if (!name || !description || !creator_id || !category || !type) {
      return NextResponse.json(
        { success: false, error: '請填寫所有必填欄位' },
        { status: 400 }
      )
    }

    // 檢查應用名稱是否已存在
    const existingApp = await appService.getAppByName(name)
    if (existingApp) {
      return NextResponse.json(
        { success: false, error: '應用名稱已存在' },
        { status: 400 }
      )
    }

    // 創建應用
    const result = await appService.createApp({
      name,
      description,
      creator_id,
      category,
      type,
      app_url,
      icon,
      icon_color
    })

    if (result.success) {
      return NextResponse.json({
        success: true,
        message: '應用創建成功',
        data: {
          app: {
            ...result.app,
            status: 'published',
            views: 0,
            likes: 0,
            rating: 0,
            creator: result.app?.creator_name || '未知',
            department: result.app?.creator_department || '未知',
            createdAt: result.app?.created_at ? new Date(result.app.created_at).toLocaleDateString('zh-TW') : '-',
            icon: result.app?.icon || 'Bot',
            iconColor: result.app?.icon_color || 'from-blue-500 to-purple-500',
            appUrl: result.app?.app_url
          }
        }
      })
    } else {
      return NextResponse.json(
        { success: false, error: result.error },
        { status: 400 }
      )
    }

  } catch (error) {
    console.error('創建應用錯誤:', error)
    return NextResponse.json(
      { success: false, error: '創建應用時發生錯誤' },
      { status: 500 }
    )
  }
}