package authser

import (
	"encoding/json"
	"fmt"
	"hkdj-web-server/app/appg"
	"hkdj-web-server/pub/common/log"
	"hkdj-web-server/pub/common/statcenter"
	"hkdj-web-server/pub/common/utils"
	"net/http"
	"strings"
)

// UserDistrictInfo 统计中心返回的渠道/直推信息
type UserDistrictInfo struct {
	IsDirect          bool   `json:"isDirect"`
	DistrictCode      string `json:"districtCode"`
	ParentPromCode    string `json:"parentPromCode"`
	ParentId          uint64 `json:"parentId"`
	ParentInviteCount int64  `json:"parentInviteCount"`
}

type userDistrictReq struct {
	AppId        int32  `json:"appId"`
	DistrictCode string `json:"dc"`
	PromSeqe     string `json:"pc"`
	IP           string `json:"ip"`
	SysType      string `json:"sysType"`
}

// resolveUserDistrict 有邀请码视为非直推；否则向统计中心查询补量/直推。
func resolveUserDistrict(channel, inviteCode, ip, sysType string) UserDistrictInfo {
	inviteCode = strings.TrimSpace(inviteCode)
	if inviteCode != "" {
		return UserDistrictInfo{IsDirect: false, ParentPromCode: inviteCode}
	}
	return GetUserDistictInfo(channel, inviteCode, ip, sysType)
}

// GetUserDistictInfo 查询统计中心用户渠道信息，对齐 ksx_server。
func GetUserDistictInfo(dc, pc, ip, sysType string) (districtInfo UserDistrictInfo) {
	base := strings.TrimSpace(appg.Conf.NewProductUrl)
	if base == "" {
		return
	}
	request := userDistrictReq{
		AppId:        statcenter.STAT_APPID,
		SysType:      sysType,
		DistrictCode: dc,
		PromSeqe:     pc,
		IP:           ip,
	}
	bodyStr, err := json.Marshal(request)
	if err != nil {
		log.Info(fmt.Sprintf("GetUserDistictInfo json.Marshal is fail error:%+v/data:%+v", err, request))
		return
	}
	url := strings.TrimRight(base, "/") + "/api/stat/userInvite/district"
	code, err := utils.POSTWithJResp(&districtInfo, url, nil, bodyStr)
	if err != nil {
		log.Error("GetUserDistictInfo POSTWithJResp", log.Any("url", url), log.E(err))
		return
	}
	if code != http.StatusOK {
		log.Error("GetUserDistictInfo response status", log.Any("code", code))
	}
	return
}