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

// GET /api/drops/images?drop_id=X - Get all images for a drop
export async function GET(request: NextRequest) {
  try {
    const searchParams = request.nextUrl.searchParams
    const dropId = searchParams.get('drop_id')

    if (!dropId) {
      return NextResponse.json(
        { error: 'drop_id parameter is required' },
        { status: 400 }
      )
    }

    const [rows] = await pool.execute(
      'SELECT id, image_url, display_order FROM drop_images WHERE drop_id = ? ORDER BY display_order ASC LIMIT 4',
      [dropId]
    )

    return NextResponse.json(rows)
  } catch (error) {
    console.error('Error fetching drop images:', error)
    return NextResponse.json(
      { error: 'Failed to fetch drop images' },
      { status: 500 }
    )
  }
}

// POST /api/drops/images - Add images to a drop
export async function POST(request: NextRequest) {
  try {
    const body = await request.json()
    const { drop_id, image_urls } = body

    if (!drop_id || !image_urls || !Array.isArray(image_urls)) {
      return NextResponse.json(
        { error: 'drop_id and image_urls array are required' },
        { status: 400 }
      )
    }

    if (image_urls.length > 4) {
      return NextResponse.json(
        { error: 'Maximum 4 images allowed per drop' },
        { status: 400 }
      )
    }

    // Delete existing images for this drop
    await pool.execute('DELETE FROM drop_images WHERE drop_id = ?', [drop_id])

    // Insert new images
    for (let i = 0; i < image_urls.length; i++) {
      await pool.execute(
        'INSERT INTO drop_images (drop_id, image_url, display_order) VALUES (?, ?, ?)',
        [drop_id, image_urls[i], i]
      )
    }

    return NextResponse.json({ success: true })
  } catch (error) {
    console.error('Error saving drop images:', error)
    return NextResponse.json(
      { error: 'Failed to save drop images' },
      { status: 500 }
    )
  }
}