package main

// ServerWebsocketPacketQueueDeleteAt represents a delete operation on a document queue list.
// The range of the deleted indices is [IndexA; IndexB).
type ServerWebsocketPacketQueueDeleteAt struct {
	IndexA int `json:"indexA"` // Starting index of the deletion range.
	IndexB int `json:"indexB"` // End index of the deletion range. This index is not included in the range.
}

func (s *ServerWebsocketPacketQueueDeleteAt) Type() string { return "QueueDeleteAt" }

func init() { ServerWebsocketPacketRegister(&ServerWebsocketPacketQueueDeleteAt{}) }

// ServerWebsocketPacketQueueDelete represents a delete operation on a document queue list.
type ServerWebsocketPacketQueueDelete struct {
	IDs []QueueEntryID `json:"ids"` // IDs of the documents.
}

func (s *ServerWebsocketPacketQueueDelete) Type() string { return "QueueDelete" }

func init() { ServerWebsocketPacketRegister(&ServerWebsocketPacketQueueDelete{}) }

// ServerWebsocketPacketQueueInsertAt represents an insert operation on a document queue list.
type ServerWebsocketPacketQueueInsertAt struct {
	Index     int          `json:"index"`
	Documents []QueueEntry `json:"documents"`
}

func (s *ServerWebsocketPacketQueueInsertAt) Type() string { return "QueueInsertAt" }

func init() { ServerWebsocketPacketRegister(&ServerWebsocketPacketQueueInsertAt{}) }

// ServerWebsocketPacketQueueReplace represents a replace operation on a document queue list.
type ServerWebsocketPacketQueueReplace struct {
	Documents []QueueEntry `json:"documents"`
}

func (s *ServerWebsocketPacketQueueReplace) Type() string { return "QueueReplace" }

func init() { ServerWebsocketPacketRegister(&ServerWebsocketPacketQueueReplace{}) }

// ServerWebsocketPacketQueueShiftAt represents a shift operation on a document queue list.
type ServerWebsocketPacketQueueShiftAt struct {
	Index  int `json:"index"`  // Index of the to be shifted element.
	Offset int `json:"offset"` // Shift offset.
}

func (s *ServerWebsocketPacketQueueShiftAt) Type() string { return "QueueShiftAt" }

func init() { ServerWebsocketPacketRegister(&ServerWebsocketPacketQueueShiftAt{}) }

// ServerWebsocketPacketQueueShift represents a shift operation on a document queue list.
type ServerWebsocketPacketQueueShift struct {
	IDs    []QueueEntryID `json:"ids"`    // IDs of the entries.
	Offset int            `json:"offset"` // Shift offset.
}

func (s *ServerWebsocketPacketQueueShift) Type() string { return "QueueShift" }

func init() { ServerWebsocketPacketRegister(&ServerWebsocketPacketQueueShift{}) }

// ServerWebsocketPacketQueueUpdate represents an update operation of entries in a queue list.
// The receiver should update any of the received entries in their local queue list.
type ServerWebsocketPacketQueueUpdate struct {
	Documents []QueueEntry `json:"documents"`
}

func (s *ServerWebsocketPacketQueueUpdate) Type() string { return "QueueUpdate" }

func init() { ServerWebsocketPacketRegister(&ServerWebsocketPacketQueueUpdate{}) }

// ServerWebsocketPacketQueueSplit represents a "add separator" operation in a queue list.
// The split is added behind the given entry IDs.
type ServerWebsocketPacketQueueSplit struct {
	IDs []QueueEntryID `json:"ids"` // IDs of the entries.
}

func (s *ServerWebsocketPacketQueueSplit) Type() string { return "QueueSplit" }

func init() { ServerWebsocketPacketRegister(&ServerWebsocketPacketQueueSplit{}) }