package service

import (
	"app.yhyue.com/moapp/MessageCenter/entity"
	"app.yhyue.com/moapp/MessageCenter/rpc/message"
	"app.yhyue.com/moapp/MessageCenter/util"
	qutil "app.yhyue.com/moapp/jybase/common"
	"errors"
	"github.com/tal-tech/go-zero/core/logx"
	"log"
	"strconv"
)

type MessageService struct {
}

// 修改消息阅读状态
func (service *MessageService) ChangeReadStatus(data *message.ChangeReadStatusRequest) (int64, string) {
	msg := entity.Mysql.FindOne("message", map[string]interface{}{"id": data.Id, "isdel": 1, "appid": data.Appid}, "", "")
	//log.Println("查询到消息：", msg)
	if msg == nil {
		return 0, "该消息不存在"
	}
	b := entity.Mysql.Update("message", map[string]interface{}{"id": data.Id, "isdel": 1}, map[string]interface{}{"isRead": int(data.ReadStatus)})
	if !b {
		return 0, "修改消息阅读状态失败"
	}
	MsgCountMinusOne(qutil.ObjToString((*msg)["receive_userid"]), strconv.Itoa(int((*msg)["msg_type"].(int64))), data.Appid)
	return 1, "修改消息阅读状态成功"
}

// 删除消息
func (service *MessageService) DeleteMessage(id []string, appId string) (int64, string) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	msg := entity.Mysql.FindOne("message", map[string]interface{}{"id": id, "appid": appId}, "", "")
	if msg == nil {
		return 0, "该消息不存在"
	}
	m := entity.Message{}
	m.Isdel = -1
	count, err := orm.Where("appid=?", appId).In("id", id).Cols("isdel").Update(&m)
	if err != nil || count == 0 {
		log.Println(err)
		orm.Rollback()
		return 0, "删除消息失败"
	}
	err2 := orm.Commit()
	if err2 != nil {
		return 0, "删除消息失败"
	}
	FindUserMsg(message.FindUserMsgReq{
		UserId:   qutil.ObjToString((*msg)["receive_userid"]),
		Appid:    appId,
		OffSet:   1,
		PageSize: 5,
		MsgType:  -1,
		Read:     0,
	}, true)
	return 1, "删除消息成功"
}

// 未读消息合计
func (service *MessageService) CountUnread(userId string, appId string) (int64, string, int64) {
	query := map[string]interface{}{
		"receive_userid": userId,
		"isRead":         0,
		"isdel":          1,
		"appid":          appId,
	}
	count := entity.Mysql.Count("message", query)
	logx.Info("未读消息数量：", count)
	return 1, "查询未读消息成功", count
}

// 获取指定用户指定分类最新一条消息
func (service *MessageService) LastMessage(userId string, appId string, msgType int64, isRead int64) (*message.Messages, error) {
	sql := "SELECT * FROM message receive_userid=? and isdel=1 and appid=?  and msg_type=?"
	valueList := []interface{}{userId, appId, msgType}
	if isRead != -1 {
		sql = sql + " and isRead=?"
		valueList = append(valueList, isRead)
	}
	query := map[string]interface{}{
		"receive_userid": userId,
		"isdel":          1,
		"appid":          appId,
		"msg_type":       msgType,
	}
	lastMsg := entity.Mysql.FindOne("message", query, "", "createtime desc")
	if lastMsg != nil && len(*lastMsg) > 0 {
		_id := util.Int64All((*lastMsg)["id"])
		id := strconv.FormatInt(_id, 10)
		msg := message.Messages{
			Id:            id,
			Appid:         qutil.ObjToString((*lastMsg)["appid"]),
			ReceiveUserId: qutil.ObjToString((*lastMsg)["receive_userid"]),
			ReceiveName:   qutil.ObjToString((*lastMsg)["receive_name"]),
			SendUserId:    qutil.ObjToString((*lastMsg)["send_userid"]),
			SendName:      qutil.ObjToString((*lastMsg)["send_name"]),
			Createtime:    qutil.ObjToString((*lastMsg)["createtime"]),
			Title:         qutil.ObjToString((*lastMsg)["title"]),
			MsgType:       qutil.Int64All((*lastMsg)["msg_type"]),
			Link:          qutil.ObjToString((*lastMsg)["link"]),
			CiteId:        qutil.Int64All((*lastMsg)["cite_id"]),
			Content:       qutil.ObjToString((*lastMsg)["content"]),
			IsRead:        qutil.Int64All((*lastMsg)["isRead"]),
			MsgLogId:      qutil.Int64All((*lastMsg)["msg_log_id"]),
		}
		return &msg, nil
	} else {
		return nil, nil

	}

}

//查询消息详情
func FindMessageDetail(id string) (entity.Message, error) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	mess := entity.Message{}
	err := orm.Table("message").Select("*").Where("id = ?", id).Find(&mess)
	if err != nil {
		return mess, err
	}
	return mess, nil
}

// 获取用户未读消息分类及数量 及分类下的最新一条消息
func (service *MessageService) ClassCountAndMessage(userId string, appId string) ([]*message.ResCount, error) {
	query := entity.Mysql.SelectBySql("SELECT msg_type,COUNT(CASE WHEN isRead=0 THEN 1 END) as count  FROM message where receive_userid=? and isdel=1 and appid=? GROUP BY msg_type  ORDER BY FIELD(`msg_type`,\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\")", userId, appId)

	typeCount := []*message.ResCount{}
	// 未读消息分类及数量
	if query != nil && len(*query) > 0 {
		for _, v := range *query {
			typeCount = append(typeCount, &message.ResCount{MsgType: v["msg_type"].(int64), Count: v["count"].(int64)})
		}
	}
	return typeCount, nil
}

// 已接收到消息的分类
func (service *MessageService) ReceiveMsgType(userId string, appId string) ([]int64, error) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	m := []entity.Message{}
	err := orm.Distinct("msg_type").Where("receive_userid=? and isdel=1 and appid=?", userId, appId).Find(&m)
	if err != nil {
		return nil, err
	}
	msgTypeList := []int64{}
	for _, v := range m {
		msgTypeList = append(msgTypeList, int64(v.MsgType))
	}
	return msgTypeList, nil
}

func (service *MessageService) UpdateMessageReadStatus(msgType int, receiveUserid, appId string) (int, error) {
	query := map[string]interface{}{
		"receive_userid": receiveUserid,
		"msg_type":       msgType,
		"appid":          appId,
	}
	b := entity.Mysql.Update("message", query, map[string]interface{}{"isRead": 1})
	if !b {
		return 0, errors.New("修改消息已读出错")
	}
	MsgCountZero(receiveUserid, strconv.Itoa(msgType), appId)
	return 1, nil
}