// Package entity holds SYNC_INBOX request and mailbox event types.
package entity

const (
	EventMissedMessage EventType = 1
	EventRecall        EventType = 2
	EventDelete        EventType = 3
)

// EventType is persisted as mailbox_events.event_type.
type EventType int16

func (e EventType) Valid() bool {
	return e == EventMissedMessage || e == EventRecall || e == EventDelete
}

type InboxRequest struct {
	UserID      int64
	DeviceID    uint64
	MailboxSeq  int64
	DialogScore int64
	Limit       int
}

type MessagesRequest struct {
	ConversationID int64
	LastMsgID      int64
	Limit          int
}

type MailboxItem struct {
	Seq            int64     `json:"seq"`
	EventType      EventType `json:"event_type"`
	ConversationID int64     `json:"conversation_id,omitempty"`
	Payload        []byte    `json:"payload,omitempty"`
}