package wx_mp

import (
	"encoding/json"
	"fmt"

	"github.com/astaxie/beego"

	"bytes"
	"fohow.com/libs/tool"
	"io/ioutil"
	"net/http"
)

type SessionKey struct {
	Openid     string `json:"openid"`      //用户唯一标识
	SessionKey string `json:"session_key"` //会话密钥
	Unionid    string `json:"unionid"`     //用户在开放平台的唯一标识符。本字段在满足一定条件的情况下才返回。
}

type SessionKeyError struct {
	Errcode int64  `json:"errcode"` //用户唯一标识
	Errmsg  string `json:"errmsg"`  //会话密钥
}

// appId :小程序唯一标识
// appSecret: 小程序的 app secret
// code: 登录时获取的 code
func GetXcxSessionKey(appId, appSecret, code string) *SessionKey {
	url := fmt.Sprintf("https://api.weixin.qq.com/sns/jscode2session?appid=%s&secret=%s&js_code=%s&grant_type=authorization_code", appId, appSecret, code)
	resp := tool.HttpCall(url, "GET", nil, nil)
	var key *SessionKey
	//beego.BeeLogger.Warn("GetXcxSessionKey resp: %s", resp)
	if err := json.Unmarshal([]byte(resp), &key); err != nil {
		beego.BeeLogger.Error("GetXcxSessionKey parse query error:", err)
	}
	if key == nil || key.Openid == "" || key.SessionKey == "" {
		var keyError *SessionKeyError
		if err := json.Unmarshal([]byte(resp), &keyError); err != nil {
			beego.BeeLogger.Error("GetXcxSessionKey parse query error:", err)
		}
		beego.BeeLogger.Error("GetXcxSessionKey get session key error:%s", keyError)

		return nil
	}

	return key
}

type TemplateMessage struct {
	ToUser     string          `json:"touser"`             // 必须, 接受者OpenID
	TemplateId string          `json:"template_id"`        // 必须, 模版ID
	URL        string          `json:"url,omitempty"`      // 可选, 用户点击后跳转的URL, 该URL必须处于开发者在公众平台网站中设置的域中
	TopColor   string          `json:"topcolor,omitempty"` // 可选, 整个消息的颜色, 可以不设置
	Data       json.RawMessage `json:"data"`               // 必须, JSON 格式的 []byte, 满足特定的模板需求
}

func (msg *TemplateMessage) ToJson() {
	b, err := json.Marshal(msg)
	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Println(string(b))
}

type DataKeywordValue struct {
	Value string `json:"value"`
	Color string `json:"color"`
}

func NewDataKeywordValue(value string, color string) *DataKeywordValue {
	if color == "" {
		color = "#FFFFFF"
	}
	return &DataKeywordValue{Value: value, Color: color}
}

type OrderDispatchdMessageData struct {
	Amount   DataKeywordValue `json:"keyword1"`
	Datetime DataKeywordValue `json:"keyword2"`
	Reason   DataKeywordValue `json:"keyword3"`
	Remark   DataKeywordValue `json:"keyword4"`
}

type BalanceChangedMessageData struct {
	Amount   DataKeywordValue `json:"keyword1"`
	Datetime DataKeywordValue `json:"keyword2"`
	Reason   DataKeywordValue `json:"keyword3"`
	Remark   DataKeywordValue `json:"keyword4"`
}

type ProductLogisticsChangedMessageData struct {
	DispatchTime   DataKeywordValue `json:"keyword1"`
	ProductName    DataKeywordValue `json:"keyword2"`
	OrderId        DataKeywordValue `json:"keyword3"`
	ExpressCompany DataKeywordValue `json:"keyword4"`
	ExpressOrderNo DataKeywordValue `json:"keyword5"`
	Remark         DataKeywordValue `json:"keyword6"`
}

type OrderCreatedMessageData struct {
	OrderId     DataKeywordValue `json:"keyword1"`
	Created_at  DataKeywordValue `json:"keyword2"`
	ProductName DataKeywordValue `json:"keyword3"`
	Count       DataKeywordValue `json:"keyword4"`
	OrderStatus DataKeywordValue `json:"keyword5"`
	Remark      DataKeywordValue `json:"keyword6"`
}

type SelfUseNotifyMessageData struct {
	ProductName   DataKeywordValue `json:"keyword1"`
	SelfUseCount  DataKeywordValue `json:"keyword2"`
	WarmTip       DataKeywordValue `json:"keyword3"`
	ServicePerson DataKeywordValue `json:"keyword4"`
}

type Template3MessageData struct {
	Kerword1 DataKeywordValue `json:"keyword1"`
	Kerword2 DataKeywordValue `json:"keyword2"`
	Kerword3 DataKeywordValue `json:"keyword3"`
}

type SubscribeDataValue struct {
	Value string `json:"value"`
}

type SubscribeMessage struct {
	ToUser      string          `json:"touser"`
	TemplateId  string          `json:"template_id"`
	Page        string          `json:"page,omitempty"`
	Data        json.RawMessage `json:"data"`
	Lang        string          `json:"lang,omitempty"`
	MiniProgram string          `json:"miniprogram_state,omitempty"`
}

type SubscribeMessageResponse struct {
	ErrCode int64  `json:"errcode"`
	ErrMsg  string `json:"errmsg"`
}

func SendTemplateMessage(toUserOpenId string, templateId string, page string, formId string, data json.RawMessage, emphasisKeyword string) {
	token := GetAccessToken(beego.AppConfig.String("WxFohowXcxAppId"), beego.AppConfig.String("WxFohowXcxAppSecret"))
	beego.BeeLogger.Info("TestSendingTemplatemsgController got token: %s", token)

	template := `{
	  "touser": "%s",
	  "template_id": "%s",
	  "page": "%s",
	  "form_id": "%s",
	  "data": %s,
	  "emphasis_keyword": "%s"
	}`
	postData := fmt.Sprintf(template, toUserOpenId, templateId, page, formId, data, emphasisKeyword)

	apiUrl := fmt.Sprintf("https://api.weixin.qq.com/cgi-bin/message/wxopen/template/send?access_token=%s", token)

	var jsonStr = []byte(postData)
	req, err := http.NewRequest("POST", apiUrl, bytes.NewBuffer(jsonStr))
	req.Header.Set("Content-Type", "application/json")

	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		beego.BeeLogger.Error(err.Error())
	}
	beego.BeeLogger.Warn("wx_mp.SendTemplateMessage, resp is null : %v", resp == nil)
	if resp != nil {
		defer resp.Body.Close()
		body, _ := ioutil.ReadAll(resp.Body)
		fmt.Println("response Body:", string(body))
		return
	}
	beego.BeeLogger.Warn("wx_mp.SendTemplateMessage, finished")
}

func SendXcxSubscribeMessage(toUserOpenId string, templateId string, page string, data interface{}) error {
	token := GetAccessToken(beego.AppConfig.String("WxFohowXcxAppId"), beego.AppConfig.String("WxFohowXcxAppSecret"))
	if token == "" {
		return fmt.Errorf("xcx subscribe message access token is empty")
	}
	jsonTemplateData, err := json.Marshal(data)
	if err != nil {
		return err
	}
	msg := SubscribeMessage{
		ToUser:     toUserOpenId,
		TemplateId: templateId,
		Page:       page,
		Data:       jsonTemplateData,
		Lang:       "zh_CN",
	}
	postData, err := json.Marshal(msg)
	if err != nil {
		return err
	}
	apiUrl := fmt.Sprintf("https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token=%s", token)
	req, err := http.NewRequest("POST", apiUrl, bytes.NewBuffer(postData))
	if err != nil {
		return err
	}
	req.Header.Set("Content-Type", "application/json")
	resp, err := (&http.Client{}).Do(req)
	if err != nil {
		return err
	}
	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return err
	}
	beego.BeeLogger.Warn("wx_mp.SendXcxSubscribeMessage response: %s", string(body))
	ret := new(SubscribeMessageResponse)
	if err := json.Unmarshal(body, ret); err != nil {
		return err
	}
	if ret.ErrCode != 0 {
		return fmt.Errorf("wechat subscribe message errcode=%d errmsg=%s", ret.ErrCode, ret.ErrMsg)
	}
	return nil
}

func formatFen(amount int64) string {
	return fmt.Sprintf("%.2f元", float64(amount)/100)
}