package mtwmapi

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

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

const (
	MsgPoiStatusOpened  = 121 // 121=营业
	MsgPoiStatusClosed  = 120 // 120=休息
	MsgPoiStatusOnline  = 18  // 18=上线
	MsgPoiStatusOffline = 19  // 19=下线
)

const (
	MsgTypeWaybillStatus          = "waybillStatus"
	MsgTypeNewOrder               = "newOrder"
	MsgTypeOrderAccepted          = "orderAccepted"
	MsgTypeOrderFinished          = "orderFinished"
	MsgTypeOrderFinancial         = "orderFinancial"
	MsgTypeOrderCanceled          = "orderCanceled"
	MsgTypeUserUrgeOrder          = "userUrgeOrder"
	MsgTypePrivateNumberDowngrade = "numberDowngrade"
	MsgTypeOrderModified          = "orderModified" // 这个不是订单调整，是订单信息（地址、联系人等）变化后推送的消息
	MsgTypeOrderRefund            = "orderRefund"
	MsgTypeOrderPartialRefund     = "orderPartialRefund"
	MsgTypeOrderFinishedPickup    = "orderFinishedPickup"

	MsgTypeStoreStatusChanged      = "storeStatusChanged"
	MsgTypeStoreAuditStatusChanged = "storeAuditStatusChanged"
)

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

// 全额退款没有Food, FoodList, Money项
type CallbackRefundInfo struct {
	Timestamp int64  `json:"timestamp"`
	AppID     string `json:"app_id"`
	Sig       string `json:"sig"`

	OrderID     int64    `json:"order_id"`
	NotifyType  string   `json:"notify_type"`
	RefundID    int64    `json:"refund_id"`
	Ctime       int64    `json:"ctime"`
	Reason      string   `json:"reason"`
	ResType     int      `json:"res_type"`
	IsAppeal    int      `json:"is_appeal"`
	Pictures    string   `json:"pictures"`
	PictureList []string `json:"pictureList"`

	Food     string             `json:"food"`
	FoodList []*RefundSkuDetail `json:"foodList"`
	Money    float32            `json:"money"`
}

type CallbackMsg struct {
	Cmd string

	Timestamp int64  `json:"timestamp"`
	AppID     string `json:"app_id"`
	Sig       string `json:"sig"`

	FormData url.Values
	Data     interface{}
}

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) {
	err := request.ParseForm()
	if err == nil {
		data := utils.URLValues2Map(request.Form)
		if dataSign, ok := data[signKey]; ok {
			fullURL := strings.TrimRight(a.callbackURL+request.URL.Path, "/")
			sign := a.signParams(fullURL+"?", data)
			if sign != dataSign.(string) {
				baseapi.SugarLogger.Debugf("mtwm GetCallbackMsg my sign:%v, data sign:%v", sign, dataSign.(string))
				callbackResponse = SignatureIsNotOk
			} else {
				cmd := strings.Trim(request.URL.EscapedPath(), "/")
				cmd = cmd[strings.LastIndex(cmd, "/")+1:]
				msg = &CallbackMsg{
					Cmd: cmd,
				}
				msg.FormData = make(url.Values)
				for k, v := range data {
					// 美团外卖的用户催单信息的timestamp是毫秒（其它的事件是秒），统一归一化为秒
					if cmd == MsgTypeUserUrgeOrder && k == "timestamp" {
						intV := utils.Str2Int64(v.(string))
						if intV > time.Now().Unix()*2 {
							v = utils.Int64ToStr(intV / 1000)
							data[k] = v
						}
					}
					msg.FormData.Set(k, v.(string))
				}
				msg.Timestamp = utils.Str2Int64(msg.FormData.Get("timestamp"))
				msg.Sig = dataSign.(string)
				msg.AppID = msg.FormData.Get("app_id")

				if msg.Cmd == MsgTypeOrderRefund || msg.Cmd == MsgTypeOrderPartialRefund {
					var refundData *CallbackRefundInfo
					if err = utils.Map2StructByJson(data, &refundData, true); err == nil {
						if refundData.Food != "" {
							utils.UnmarshalUseNumber([]byte(refundData.Food), &refundData.FoodList)
						}
						if refundData.Pictures != "" {
							utils.UnmarshalUseNumber([]byte(refundData.Pictures), &refundData.PictureList)
						}
						msg.Data = refundData
					}
				}
			}
		} else {
			callbackResponse = SuccessResponse // 美团外卖PING消息没有sign
		}
	} else {
		baseapi.SugarLogger.Warnf("mtwm GetCallbackMsg ParseForm failed with error:%v", err)
		callbackResponse = Err2CallbackResponse(err, "")
	}
	return msg, callbackResponse
}

func (a *API) GetRefundSkuDetailFromMsg(msg *CallbackMsg) (refundSkuDetail []*RefundSkuDetail) {
	utils.UnmarshalUseNumber([]byte(msg.FormData.Get("food")), &refundSkuDetail)
	return refundSkuDetail
}