package domain

// UpdateEventType 标识 update 队列事件类型。
type UpdateEventType string

const (
	UpdateEventNewMessage        UpdateEventType = "new_message"
	UpdateEventReadHistoryInbox  UpdateEventType = "read_history_inbox"
	UpdateEventReadHistoryOutbox UpdateEventType = "read_history_outbox"
	UpdateEventEditMessage       UpdateEventType = "edit_message"
	UpdateEventMessageReactions  UpdateEventType = "message_reactions"
	UpdateEventContactsReset     UpdateEventType = "contacts_reset"
	UpdateEventDialogPinned      UpdateEventType = "dialog_pinned"
	UpdateEventPinnedDialogs     UpdateEventType = "pinned_dialogs"
	UpdateEventDialogUnreadMark  UpdateEventType = "dialog_unread_mark"
	UpdateEventPeerSettings      UpdateEventType = "peer_settings"
	UpdateEventDeleteMessages    UpdateEventType = "delete_messages"
	UpdateEventDialogFilter      UpdateEventType = "dialog_filter"
	UpdateEventDialogFilterOrder UpdateEventType = "dialog_filter_order"
	UpdateEventDialogFilters     UpdateEventType = "dialog_filters"
	UpdateEventFolderPeers       UpdateEventType = "folder_peers"
	UpdateEventChannelAvailable  UpdateEventType = "channel_available_messages"
	UpdateEventChannelViewForum  UpdateEventType = "channel_view_forum_as_messages"
	UpdateEventNoop              UpdateEventType = "noop"
)

// UpdateEvent 是账号视角的增量事件，按 user_id + pts 顺序持久化。
type UpdateEvent struct {
	UserID           int64
	Type             UpdateEventType
	Pts              int
	PtsCount         int
	Date             int
	Message          Message
	Peer             Peer
	Peers            []Peer
	Bool             bool
	Settings         PeerSettings
	MessageIDs       []int
	MaxID            int
	StillUnreadCount int
	Users            []User
	Channels         []Channel
	FilterID         int
	DialogFilter     *DialogFolder
	FilterOrder      []int
	FolderPeers      []FolderPeerUpdate
	TagsEnabled      bool
}

// UpdateDifference 是 updates.getDifference 的业务层结果。
type UpdateDifference struct {
	State  UpdateState
	Events []UpdateEvent
	// Partial 为 true 表示连续事件被 limit 截断、后面还有（映射 updates.differenceSlice，
	// 客户端据 State 继续翻页）；false 表示已到当前连续末尾（updates.difference）。
	Partial bool
}