package message

import (
	"encoding/json"
)

// 事件
type EventMessage struct {
	Message
	Tag          EventTag  // 消息标签：EventTagUser=用户
	Flag         EventFlag // 消息标签：EventFlagCreate=创建 EventFlagUpdate=更新 EventFlagSave=创建或更新 EventFlagDelete=删除
	EventId      string    // 事件ID
	EventContent any       // 事件内容
}

type EventTag string

const (
	EventTagUser              = "user"
	EventTagRoomInto EventTag = "into_room"
)

type EventFlag string

const (
	EventFlagSave   EventFlag = "save"
	EventFlagCreate EventFlag = "create"
	EventFlagUpdate EventFlag = "update"
	EventFlagDelete EventFlag = "delete"
)

func (message *EventMessage) ToJson() string {
	b, _ := json.Marshal(message)
	return string(b)
}