package mtwmapi

import (
	"net/http"
	"net/url"
	"strings"

	"git.rosy.net.cn/baseapi/utils"
)

const (
	MsgTypeWaybillStatus          = "waybillStatus"
	MsgTypeNewOrder               = "newOrder"
	MsgTypeOrderAccepted          = "orderAccepted"
	MsgTypeOrderFinished          = "orderFinished"
	MsgTypeOrderFinancial         = "orderFinancial"
	MsgTypeUserUrgeOrder          = "userUrgeOrder"
	MsgTypePrivateNumberDowngrade = "numberDowngrade"
	MsgTypeOrderModified          = "orderModified"
)

type CallbackResponse struct {
	Data string `json:"data"`
}

// !!!特别注意，Data中的数据
type CallbackMsg struct {
	Data url.Values
	Cmd  string
}

var (
	SuccessResponse  = &CallbackResponse{Data: "ok"}
	SignatureIsNotOk = &CallbackResponse{Data: "sign failed"}
)

func Err2CallbackResponse(err error, data string) *CallbackResponse {
	if err == nil {
		return SuccessResponse
	}
	if data == "" {
		data = err.Error()
	}
	return &CallbackResponse{
		Data: data,
	}
}

func (a *API) GetCallbackMsg(request *http.Request) (msg *CallbackMsg, callbackResponse *CallbackResponse) {
	data := utils.URLValues2Map(request.PostForm)
	fullURL := strings.TrimRight(request.URL.String(), "/")
	sign := a.signParams(fullURL+"?", data)
	if sign != data[signKey] {
		return nil, SignatureIsNotOk
	}
	cmd := strings.Trim(request.URL.EscapedPath(), "/")
	msg = &CallbackMsg{
		Cmd:  cmd,
		Data: request.PostForm,
	}
	return msg, nil
}