package jdapi

import (
	"crypto/md5"
	"fmt"
	"time"

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

const (
	KeyStationNo      = "stationNo"
	KeyOutStationNo   = "outStationNo"
	KeyPromotionPrice = "promotionPrice"
	KeyLimitSkuCount  = "limitSkuCount"

	KeyInfoId    = "infoId"
	KeyOutInfoId = "outInfoId"
)

const (
	MaxPromotionSkuCount = 200
)

const (
	PromotionStateNotConfirm = 1
	PromotionStateConfirmed  = 5
	PromotionStateCanceled   = 6
	PromotionStateEnded      = 9
)

type PromotionSku struct {
	SkuID          int64  `json:"skuId,omitempty"`
	OutSkuID       string `json:"outSkuId,omitempty"`
	StationNo      int64  `json:"stationNo,omitempty"`
	OutStationNo   string `json:"outStationNo,omitempty"`
	PromotionPrice int64  `json:"promotionPrice"`
	LimitSkuCount  int    `json:"limitSkuCount,omitempty"`
	FailReason     string `json:"failReason,omitempty"`
}

func getPromotionCmd(inCmd string, promotionType int) (outCmd string) {
	if promotionType == PromotionTypeDirectDown {
		outCmd = "singlePromote/" + inCmd
	} else if promotionType == PromotionTypeLimitedTime {
		outCmd = "limitTime/" + inCmd
	} else {
		panic("unknow promotionType!")
	}
	return outCmd
}

// 单品直降添加主活动信息接口
// https://opendj.jd.com/staticnew/widgets/resources.html?groupid=178&apiid=ee8685c9be9b4aa5bdc41468c5ebc33b
func (a *API) CreatePromotionInfosSingle(name string, beginDate, endDate time.Time, outInfoId, advertising string) (infoId int64, err error) {
	return a.createPromotionInfos(PromotionTypeDirectDown, name, beginDate, endDate, outInfoId, advertising)
}

// 单品直降添加活动商品信息接口
// 最多200条
// https://opendj.jd.com/staticnew/widgets/resources.html?groupid=178&apiid=0ad0715e0aaa42489cbeac36398e916d
func (a *API) CreatePromotionSkuSingle(infoId int64, outInfoId string, skus []*PromotionSku) (skusResult []*PromotionSku, err error) {
	return a.createPromotionSku(PromotionTypeDirectDown, infoId, outInfoId, skus)
}

// 单品直降活动提交保存接口
// https://opendj.jd.com/staticnew/widgets/resources.html?groupid=178&apiid=b84e14eb341e470db8ed9b60f78edb16
func (a *API) ConfirmPromotionSingle(infoId int64, outInfoId string) (err error) {
	return a.confirmPromotion(PromotionTypeDirectDown, infoId, outInfoId)
}

// 单品直降整个活动取消接口
// https://opendj.jd.com/staticnew/widgets/resources.html?groupid=178&apiid=3d02c2acad714bea86d20d498a1aa074
func (a *API) CancelPromotionSingle(infoId int64, outInfoId string) (err error) {
	return a.cancelPromotion(PromotionTypeDirectDown, infoId, outInfoId)
}

// 限时抢添加活动主信息接口
// https://opendj.jd.com/staticnew/widgets/resources.html?groupid=184&apiid=7d8b7ff86c9e457bb8a46963cb575769
func (a *API) CreatePromotionInfosLimitTime(name string, beginDate, endDate time.Time, outInfoId, advertising string) (infoId int64, err error) {
	return a.createPromotionInfos(PromotionTypeLimitedTime, name, beginDate, endDate, outInfoId, advertising)
}

// 限时抢添加活动规则信息接口（直降也是调用此接口）
// https://opendj.jd.com/staticnew/widgets/resources.html?groupid=184&apiid=e80674791d3542f0a87502753c0d0592
func (a *API) CreatePromotionRules(infoId int64, outInfoId string, limitDevice, limitPin, limitCount, limitDaily int) (err error) {
	jdParams := map[string]interface{}{
		"limitDevice": limitDevice,
		"limitPin":    limitPin,
		"limitCount":  limitCount,
		"limitDaily":  limitDaily,
		"timeStamp":   utils.GetCurTimeStr(),
	}
	if infoId != 0 {
		jdParams[KeyInfoId] = infoId
	} else {
		jdParams[KeyOutInfoId] = outInfoId
	}
	_, err = a.AccessAPINoPage("limitTime/createPromotionRules", jdParams, nil, nil, genNoPageResultParser("errorCode", "errorInfos", "", "0"))
	return err
}

// 限时抢添加活动商品信息接口
// 最多200条
// https://opendj.jd.com/staticnew/widgets/resources.html?groupid=184&apiid=65fecef4883c40c6b23bbdb6123f5d80
func (a *API) CreatePromotionSkuLimitTime(infoId int64, outInfoId string, skus []*PromotionSku) (skusResult []*PromotionSku, err error) {
	return a.createPromotionSku(PromotionTypeLimitedTime, infoId, outInfoId, skus)
}

// 限时抢活动提交保存接口
// https://opendj.jd.com/staticnew/widgets/resources.html?groupid=184&apiid=3991063e2f0d435094e9fe44754f3490
func (a *API) ConfirmPromotionLimitTime(infoId int64, outInfoId string) (err error) {
	return a.confirmPromotion(PromotionTypeLimitedTime, infoId, outInfoId)
}

// 限时抢整个活动取消接口
// https://opendj.jd.com/staticnew/widgets/resources.html?groupid=184&apiid=97b6678d30624f73bc13cb68987e6a6d
func (a *API) CancelPromotionLimitTime(infoId int64, outInfoId string) (err error) {
	return a.cancelPromotion(PromotionTypeLimitedTime, infoId, outInfoId)
}

func (a *API) createPromotionInfos(promotionType int, name string, beginDate, endDate time.Time, outInfoId, advertising string) (infoId int64, err error) {
	if outInfoId == "" {
		outInfoId = fmt.Sprintf("%X", md5.Sum([]byte(name)))
	}
	jdParams := map[string]interface{}{
		"promotionName": name,
		"beginDate":     utils.Time2Str(beginDate),
		"endDate":       utils.Time2Str(endDate),
		"advertising":   advertising,
		"promotionType": promotionType,
		"timeStamp":     utils.GetCurTimeStr(),
		KeyOutInfoId:    outInfoId,
	}
	result, err := a.AccessAPINoPage(getPromotionCmd("createPromotionInfos", promotionType), jdParams, nil, nil, genNoPageResultParser("errorCode", "errorInfos", "data", "0"))
	if err == nil {
		return utils.MustInterface2Int64(result), nil
	}
	return 0, err
}

// todo skusResult 返回值没有意义，为了兼容暂时保留
func (a *API) createPromotionSku(promotionType int, infoId int64, outInfoId string, skus []*PromotionSku) (skusResult []*PromotionSku, err error) {
	jdParams := map[string]interface{}{
		"skus":      skus,
		"timeStamp": utils.GetCurTimeStr(),
	}
	if infoId != 0 {
		jdParams[KeyInfoId] = infoId
	} else {
		jdParams[KeyOutInfoId] = outInfoId
	}
	// todo 当前是在出错时，把data中的数据当成错误信息处理的
	result, err := a.AccessAPINoPage(getPromotionCmd("createPromotionSku", promotionType), jdParams, nil, nil, genNoPageResultParser("errorCode", "data", "", "0"))
	if err == nil && result != nil {
		err = utils.Map2StructByJson(result, &skusResult, false)
	}
	return skusResult, err
}

func (a *API) confirmPromotion(promotionType int, infoId int64, outInfoId string) (err error) {
	jdParams := map[string]interface{}{
		"timeStamp": utils.GetCurTimeStr(),
	}
	if infoId != 0 {
		jdParams[KeyInfoId] = infoId
	} else {
		jdParams[KeyOutInfoId] = outInfoId
	}
	_, err = a.AccessAPINoPage(getPromotionCmd("confirmPromotion", promotionType), jdParams, nil, nil, genNoPageResultParser("errorCode", "errorInfos", "", "0"))
	return err
}

func (a *API) cancelPromotion(promotionType int, infoId int64, outInfoId string) (err error) {
	jdParams := map[string]interface{}{
		"timeStamp": utils.GetCurTimeStr(),
	}
	if infoId != 0 {
		jdParams[KeyInfoId] = infoId
	} else {
		jdParams[KeyOutInfoId] = outInfoId
	}
	_, err = a.AccessAPINoPage(getPromotionCmd("cancelPromotion", promotionType), jdParams, nil, nil, genNoPageResultParser("errorCode", "errorInfos", "", "0"))
	return err
}