package weixinapi

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

const (
	MaxRemarkByteCount = 30
)

type CBUserInfo struct {
	Subscribe      int    `json:"subscribe"`
	OpenID         string `json:"openid"`
	Nickname       string `json:"nickname"`
	Sex            int    `json:"sex"`
	Language       string `json:"language"`
	City           string `json:"city"`
	Province       string `json:"province"`
	Country        string `json:"country"`
	HeadImgURL     string `json:"headimgurl"`
	SubscribeTime  int64  `json:"subscribe_time"`
	UnionID        string `json:"unionid"`
	Remark         string `json:"remark"`
	TagIDList      []int  `json:"tagid_list"`
	SubscribeScene string `json:"subscribe_scene"`
	QRScene        int    `json:"qr_scene"`
	QRSceneStr     string `json:"qr_scene_str"`
}

func (a *API) CBSetToken(newToken string) bool {
	curToken := a.CBGetToken()
	if curToken != newToken {
		a.locker.Lock()
		defer a.locker.Unlock()
		a.token = newToken
		return true
	}
	return false
}

func (a *API) CBGetToken() string {
	a.locker.RLock()
	defer a.locker.RUnlock()
	return a.token
}

func (a *API) CBRetrieveToken() (tokenInfo *TokenInfo, err error) {
	result, err := a.AccessAPI("cgi-bin/token", utils.Params2Map("grant_type", "client_credential"), "")
	if err != nil {
		return nil, err
	}
	tokenInfo = &TokenInfo{
		AccessToken: utils.Interface2String(result["access_token"]),
		ExpiresIn:   int(utils.MustInterface2Int64(result["expires_in"])),
	}
	a.CBSetToken(tokenInfo.AccessToken)
	return tokenInfo, nil
}

func (a *API) CBMessageTemplateSend(userOpenID, templateID, downloadURL string, miniProgram, data interface{}) (err error) {
	bodyJson := map[string]interface{}{
		"touser":      userOpenID,
		"template_id": templateID,
		"url":         downloadURL,
		"data":        data,
	}
	if downloadURL != "" {
		bodyJson["url"] = downloadURL
	}
	if miniProgram != nil {
		bodyJson["miniprogram"] = miniProgram
	}
	_, err = a.AccessAPI("cgi-bin/message/template/send", nil, string(utils.MustMarshal(bodyJson)))
	return err
}

// remark的字节数不超过30个字节
func (a *API) CBUpdateRemark(userOpenID, remark string) (err error) {
	bodyJson := map[string]interface{}{
		"openid": userOpenID,
		"remark": utils.LimitMixedStringLen(remark, MaxRemarkByteCount),
	}
	_, err = a.AccessAPI("cgi-bin/user/info/updateremark", nil, string(utils.MustMarshal(bodyJson)))
	return err
}

func (a *API) CBGetUserInfo(userOpenID string) (userInfo *CBUserInfo, err error) {
	bodyJson := map[string]interface{}{
		"openid": userOpenID,
		"lang":   "zh_CN",
	}
	result, err := a.AccessAPI("cgi-bin/user/info", bodyJson, "")
	if err == nil {
		err = utils.Map2StructByJson(result, &userInfo, false)
	}
	return userInfo, err
}