import { getPayload } from 'payload'
import config from '@payload-config'
import { NextResponse } from 'next/server'
import { syncProductTaobaoLinks } from '@/lib/taobao'
import { addCorsHeaders, handleCorsOptions } from '@/lib/cors'

export async function OPTIONS(request: Request) {
  return handleCorsOptions(request.headers.get('origin'))
}

/**
 * POST /api/admin/taobao/sync-product
 * 为指定产品解析淘宝链接并回填 title / thumbnail / price
 *
 * Body: {
 *   productId: string
 *   collection: 'products' | 'preorder-products'
 *   force?: boolean   // true = 覆盖已有字段；false (默认) = 只填充空字段
 * }
 */
export async function POST(request: Request) {
  const origin = request.headers.get('origin')

  try {
    const { productId, collection, force = false } = await request.json()

    if (!productId || !collection) {
      return addCorsHeaders(
        NextResponse.json({ success: false, error: 'productId 和 collection 必填' }, { status: 400 }),
        origin,
      )
    }

    if (!['products', 'preorder-products'].includes(collection)) {
      return addCorsHeaders(
        NextResponse.json({ success: false, error: '无效的 collection' }, { status: 400 }),
        origin,
      )
    }

    const payload = await getPayload({ config })
    const result = await syncProductTaobaoLinks(payload, productId, collection, force)

    return addCorsHeaders(
      NextResponse.json({ success: true, ...result }),
      origin,
    )
  } catch (err: any) {
    console.error('[taobao/sync-product]', err)
    return addCorsHeaders(
      NextResponse.json({ success: false, error: err?.message ?? 'Unknown error' }, { status: 500 }),
      origin,
    )
  }
}