import { NextRequest, NextResponse } from 'next/server'
import { mockDb } from '@/lib/mockDb'

export async function GET(req: NextRequest) {
  const { searchParams } = new URL(req.url)
  const neighborhoodSlug = searchParams.get('neighborhood')
  
  if (!neighborhoodSlug) {
    return NextResponse.json({ error: 'Neighborhood is required' }, { status: 400 })
  }

  // Get neighborhood
  const neighborhood = await mockDb.getNeighborhoodBySlug(neighborhoodSlug)
  if (!neighborhood) {
    return NextResponse.json({ listings: [] }, {
      headers: {
        'Access-Control-Allow-Origin': '*',
        'Access-Control-Allow-Methods': 'GET, OPTIONS',
      }
    })
  }

  // Get listings in that neighborhood
  const listings = await mockDb.getListings({
    neighborhoodId: neighborhood.id
  })

  // Format response matching widget needs
  const formattedListings = listings.map(l => ({
    id: l.id,
    name: l.nameTr,
    nameEn: l.nameEn,
    nameRu: l.nameRu,
    slug: l.slug,
    categorySlug: l.category?.slug || 'isletme',
    categoryName: l.category?.nameTr || '',
    neighborhoodName: l.neighborhood?.nameTr || '',
    rating: l.rating,
    priceSymbols: '₺'.repeat(l.priceRange),
    coverImage: l.images && l.images.length > 0 ? l.images[0].url : 'https://images.unsplash.com/photo-1555396273-367ea4eb4db5?w=800&auto=format&fit=crop&q=80'
  }))

  return NextResponse.json({ listings: formattedListings }, {
    headers: {
      'Access-Control-Allow-Origin': '*',
      'Access-Control-Allow-Methods': 'GET, OPTIONS',
    }
  })
}

// Handle preflight OPTIONS request
export async function OPTIONS() {
  return new NextResponse(null, {
    headers: {
      'Access-Control-Allow-Origin': '*',
      'Access-Control-Allow-Methods': 'GET, OPTIONS',
      'Access-Control-Allow-Headers': 'Content-Type',
    }
  })
}