package task

import (
	"context"
	"fmt"
	"eta/eta_menu_sync/global"
	"eta/eta_menu_sync/models"
	"eta/eta_menu_sync/services"
	"eta/eta_menu_sync/services/alarm_msg"
	"eta/eta_menu_sync/utils"
	"strings"
	"time"
)

func SendMsg() {
	//fmt.Println("start task")
	errMsgList := make([]string, 0)
	defer func() {
		if len(errMsgList) > 0 {
			fmt.Println("定时发送消息失败：")
			for _, errMsg := range errMsgList {
				fmt.Println(errMsg)
			}
		}
	}()
	wechatHelperObj := models.WechatHelper{}
	list, err := wechatHelperObj.GetAllHelper()
	if err != nil {
		fmt.Println("err:", err)
		return
	}

	wechatMsgPushRecordObj := models.WechatMsgPushRecord{}
	for _, helper := range list {
		//fmt.Println(helper)
		recordList, tmpErr := wechatMsgPushRecordObj.GetNoPushListByHelperIdV2(helper.WechatHelperId, helper.Num)
		if tmpErr != nil {
			errMsgList = append(errMsgList, fmt.Sprint(helper.WechatHelperName, "发送微信消息失败，获取未发送记录失败，Err：", tmpErr.Error()))
			continue
		}

		// 如果没有待推送数据，那么就退出当前循环，进入下一循环
		if len(recordList) <= 0 {
			continue
		}

		{
			recordIdList := make([]int, 0)
			for _, record := range recordList {
				recordIdList = append(recordIdList, record.WechatMsgId)
			}
			tmpErr = wechatMsgPushRecordObj.MultiUpdateStatus(recordIdList)
			if tmpErr != nil {
				errMsgList = append(errMsgList, fmt.Sprint(helper.WechatHelperName, "发送微信消息失败，变更消息发送中状态失败，Err：", tmpErr.Error()))
				continue
			}
		}

		go PushWxMsgList(recordList, helper)
	}
}

// PushWxMsgList 处理发送消息列表
func PushWxMsgList(list []*models.WechatMsgPushRecordItem, helper *models.WechatHelper) {
	num := len(list)
	// 平均延迟时间
	avgDelayTime := 60 / num
	// 最小延迟时间
	minDelayTime := 5
	if avgDelayTime < 2 {
		minDelayTime = 0
	} else if avgDelayTime <= 6 {
		minDelayTime = 3
	}

	//fmt.Println("minDelayTime:", minDelayTime)
	//fmt.Println("avgDelayTime:", avgDelayTime)
	for _, record := range list {
		// 发送消息
		go PushWxMsg(record, helper)
		// 本次延迟时间
		currDelayTime := utils.GetRandInt(minDelayTime, avgDelayTime)
		fmt.Println("下一条消息时间是 ", currDelayTime, " 秒后")
		time.Sleep(time.Duration(currDelayTime) * time.Second)
	}
}

// PushWxMsg 真正开始处理推送消息业务
func PushWxMsg(record *models.WechatMsgPushRecordItem, wxHelper *models.WechatHelper) {
	fmt.Println(time.Now().Format(utils.FormatDateTime), " :", record.WechatMsgId, "开始推送了")
	var errMsg, resultStr string
	defer func() {
		record.ModifyTime = time.Now()
		record.Status = 2
		record.Remark = errMsg
		record.ServerResult = resultStr
		record.WechatHelperId = wxHelper.WechatHelperId
		if errMsg != `` { // 发送失败了
			record.Status = -1
			// TODO 发送邮件提醒？
		} else {
			record.Remark = `发送成功`
		}
		obj := models.WechatMsgPushRecord{}
		err := obj.UpdateV2(record.WechatMsgId, record.WechatHelperId, record.Status, record.Remark, record.ServerResult)
		if err != nil {
			fmt.Println("err:", err)
		}
		//record.Update([]string{"Status", "Remark", "ServerResult", "ModifyTime"})
	}()
	var resp services.WxPushResp
	var err error
	switch record.MsgType { // 消息类型，1：h5链接；2：小程序，3：文字；4：图片
	case 1: // h5链接
		if record.Content == `` {
			errMsg = `发送数据内容为空`
			return
		}
		resp, resultStr, err = services.SendH5(wxHelper.ServerUrl, wxHelper.WechatId, record.WechatGroupWechatId, record.Title, record.Pic, record.Content, record.JumpUrl)
	case 2: // 小程序
		//GetByJumpPath
		wechatListenMsgRecordObj := models.WechatListenMsgRecord{}
		listenMsg, tmpErr := wechatListenMsgRecordObj.GetByJumpPath(models.ListenWxAppType, record.JumpUrl)
		if tmpErr != nil {
			if tmpErr != utils.ErrNoRow {
				err = tmpErr
			}
			break
		}

		// 替换消息内容，将原来内容里面的 发送人微信标识 替换为 小助手微信标识
		xml := strings.Replace(listenMsg.Msg, listenMsg.FinalFromWechatId, wxHelper.WechatId, -1)

		resp, resultStr, err = services.SendXml(wxHelper.ServerUrl, wxHelper.WechatId, record.WechatGroupWechatId, xml)
	case 3: // 文字
		if record.Content == `` {
			errMsg = `发送数据内容为空`
			return
		}
		resp, resultStr, err = services.SendText(wxHelper.ServerUrl, wxHelper.WechatId, record.WechatGroupWechatId, record.Content)
	case 4: // 图片
		resp, resultStr, err = services.SendPic(wxHelper.ServerUrl, wxHelper.WechatId, record.WechatGroupWechatId, record.Pic)
	default:
		errMsg = `错误的推送类型`
		return
	}
	if err != nil {
		errMsg = "发送消息给微信失败，ERR:" + err.Error()
		return
	}
	if resp.Code != 200 {
		errMsg = "发送消息给微信，服务返回失败信息，ERR:" + resp.Msg
		return
	}

	return
}

func ListenWechatOnline() {
	offlineHelperList := make([]*models.WechatHelper, 0)
	baseKey := `listen:wechat_helper:`
	defer func() {
		if len(offlineHelperList) > 0 {
			errMsgList := make([]string, 0)
			for _, helper := range offlineHelperList {
				result := global.Redis.SetNX(context.TODO(), fmt.Sprint(baseKey, helper.WechatId), 1, 30*time.Minute)
				if result.Val() {
					errMsgList = append(errMsgList, fmt.Sprint("机器人：", helper.WechatHelperName, "；所属服务器：", helper.ServerUrl))
				}
			}
			if len(errMsgList) > 0 {
				email := `984198890@qq.com;317699326@qq.com;pdzhao@hzinsights.com`
				go alarm_msg.SendAlarmMsg(time.Now().Format(utils.FormatDateTime)+"：微信小助手掉线检测：<br/>"+strings.Join(errMsgList, "<br/>"), 3, email)
			}
		}
	}()
	wechatHelperObj := models.WechatHelper{}
	list, err := wechatHelperObj.GetAllHelper()
	if err != nil {
		fmt.Println("err:", err)
		return
	}

	for _, helper := range list {
		resp, _, tmpErr := services.Listen(helper.ServerUrl, helper.WechatId)
		if tmpErr != nil {
			offlineHelperList = append(offlineHelperList, helper)
			continue
		}
		if resp.Code != 200 {
			offlineHelperList = append(offlineHelperList, helper)
			continue
		}

	}
}