syntax = "proto3";

package internal;

message IndexMeta {
	string ColumnLabel = 1;
	string TimeQuantum = 2;
}

message FrameMeta {
	string RowLabel = 1;
	bool InverseEnabled = 2;
	string CacheType = 3;
	uint32 CacheSize = 4;
	string TimeQuantum = 5;
	bool RangeEnabled = 6;
    repeated Field Fields = 7;
}

message ImportResponse {
	string Err = 1;
}

message BlockDataRequest {
	string Index = 1;
	string Frame = 2;
	string View = 5;
	uint64 Slice = 4;
	uint64 Block = 3;
}

message BlockDataResponse {
	repeated uint64 RowIDs = 1;
	repeated uint64 ColumnIDs = 2;
}

message Cache {
	repeated uint64 IDs = 1;
}

message MaxSlicesResponse {
    map<string, uint64> MaxSlices = 1;
}

message CreateSliceMessage {
    string Index = 1;
    uint64 Slice = 2;
    bool IsInverse = 3;
}

message DeleteIndexMessage {
    string Index = 1;
}

message CreateIndexMessage {
    string Index = 1;
    IndexMeta Meta = 2;
}

message CreateFrameMessage {
    string Index = 1;
    string Frame = 2;
    FrameMeta Meta = 3;
}

message DeleteFrameMessage {
    string Index = 1;
    string Frame = 2;
}

message Frame {
    string Name = 1;
    FrameMeta Meta = 2;
}

message Index {
    string Name = 1;
    IndexMeta Meta = 2;
    uint64 MaxSlice = 3;
    repeated Frame Frames = 4;
    repeated uint64 Slices = 5;
    repeated InputDefinition InputDefinitions = 6;
}

message InputDefinition {
    string Name = 1;
    repeated Frame Frames = 2;
    repeated InputDefinitionField Fields = 3;
}

message InputDefinitionField {
    string Name = 1;
    bool PrimaryKey = 2;
    repeated InputDefinitionAction InputDefinitionActions = 3;
}

message InputDefinitionAction {
    string Frame = 1;
    string ValueDestination = 2;
    map<string, uint64> ValueMap = 3;
    uint64 RowID = 4;

}

message CreateInputDefinitionMessage {
    string Index = 1;
    InputDefinition Definition = 3;
}

message DeleteInputDefinitionMessage {
    string Index = 1;
    string Name = 2;
}

message NodeStatus {
    string Host = 1;
    string State = 2;
    repeated Index Indexes = 3;
    string Scheme = 4;
}

message ClusterStatus {
    repeated NodeStatus Nodes = 1;
}

message FrameSchema {
    repeated Field Fields = 1;
}

message Field {
    string Name = 1;
    string Type = 2;
    int64 Min = 3;
    int64 Max = 4;
}

message DeleteViewMessage {
    string Index = 1;
    string Frame = 2;
    string View = 3;
}

// AttrBlock represents a checksummed block of the attribute store.
message AttrBlock {
    uint64 ID = 1;
    bytes Checksum = 2;
}

message AttrBlockRequest {
    repeated AttrBlock Blocks = 1;
}