import type { Context } from '../utils/handler.js'
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'
import { ORDER_EVENT_TYPE, ORDER_STATE } from '../utils/order-state.js'
import { bridgeFetchWithAuth } from '../utils/bridge-auth.js'

type OrderCancelMainRequest = {
  supplierId?: string
  userId?: string
  orderId?: string
  mainOrderId?: string
}

type BridgeOrderResponse = {
  resultCode?: number
  message?: string
}

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

  const body = await readJson<OrderCancelMainRequest>(request)
  const supplierId = String(body.supplierId || '').trim()
  const userId = String(body.userId || '').trim()
  const mainOrderId = String(body.mainOrderId || body.orderId || '').trim()
  const orderId = String(body.orderId || mainOrderId).trim()

  if (!supplierId || !userId || !mainOrderId) {
    return fail('供应商、用户或订单信息不能为空')
  }

  const order = await prisma.supplierOrderMain.findFirst({
    where: {
      orderId: mainOrderId,
      supplierId,
      userId,
      deleted: 0
    }
  })

  if (!order) {
    return fail('主单不存在或已取消', 404, 'MAIN_ORDER_NOT_FOUND')
  }

  if (order.orderState !== ORDER_STATE.PENDING_PAY) {
    return fail('已支付主单不能通过未支付取消接口取消', 400, 'MAIN_ORDER_ALREADY_PAID')
  }

  await prisma.$transaction(async tx => {
    await tx.supplierOrderMain.update({
      where: { orderId: mainOrderId },
      data: {
        orderState: ORDER_STATE.CANCELLED,
        updateTime: new Date()
      }
    })

    await tx.supplierOrderSub.updateMany({
      where: {
        mainOrderId,
        supplierId,
        userId,
        deleted: 0
      },
      data: {
        orderState: ORDER_STATE.CANCELLED,
        updateTime: new Date()
      }
    })
  })

  const { response: bridgeResponse, payload: bridgePayload } = await bridgeFetchWithAuth<BridgeOrderResponse>(
    supplierId,
    '/pointOrder/pushOrderInfoMsg',
    {
      orderType: ORDER_EVENT_TYPE.CANCEL_MAIN,
      orderId,
      mainOrderId,
      userId,
      time: Date.now()
    }
  )

  if (!bridgeResponse.ok || bridgePayload.resultCode !== 0) {
    return fail(bridgePayload.message || '取消主单推送失败', 502, 'BRIDGE_CANCEL_MAIN_FAILED')
  }

  return ok({
    supplierId,
    orderType: ORDER_EVENT_TYPE.CANCEL_MAIN,
    orderId,
    mainOrderId,
    userId
  })
})