import type { Context } from '@netlify/functions'
import { guardMethod } from '../utils/method.js'
import { fail, ok } from '../utils/http.js'
import { readJson } from '../utils/request.js'
import { prisma } from '../utils/prisma.js'
import { withErrorBoundary } from '../utils/handler.js'

type SupplierInfoRequest = {
  supplierIdentification?: string
}

export default withErrorBoundary(async (request: Request, _context: Context) => {
  const methodResponse = guardMethod(request, ['POST'])
  if (methodResponse) return methodResponse

  const body = await readJson<SupplierInfoRequest>(request)
  const supplierIdentification = String(body.supplierIdentification || '').trim().toLowerCase()

  if (!supplierIdentification) {
    return fail('供应商唯一标识不能为空')
  }

  const supplier = await prisma.supplierInfo.findUnique({
    where: { supplierIdentification }
  })

  if (!supplier || supplier.deleted === 1) {
    return fail('供应商信息未配置或已停用', 404, 'SUPPLIER_NOT_CONFIGURED')
  }

  return ok({
    id: supplier.id,
    supplierIdentification: supplier.supplierIdentification,
    supplierId: supplier.supplierId,
    supplierName: supplier.supplierName,
    clientId: supplier.clientId
  })
})