syntax = "proto3";

package tmtc_generic_c2a;

service TmtcGenericC2a {
  rpc GetSatelliteSchema(GetSatelliteSchemaRequest) returns (GetSateliteSchemaResponse);
}

message GetSatelliteSchemaRequest {
}

message GetSateliteSchemaResponse {
  SatelliteSchema satellite_schema = 1;
}

message SatelliteSchema {
  map<string, TelemetryChannelSchema> telemetry_channels = 1;
  map<string, TelemetryComponentSchema> telemetry_components = 2;
  map<string, CommandPrefixSchema> command_prefixes = 3;
  map<string, CommandComponentSchema> command_components = 4;
}

message TelemetryComponentSchema {
  TelemetryComponentSchemaMetadata metadata = 1;
  map<string, TelemetrySchema> telemetries = 2;
}

message TelemetryComponentSchemaMetadata {
  uint32 apid = 1;
}

message CommandComponentSchema {
  CommandComponentSchemaMetadata metadata = 1;
  map<string, CommandSchema> commands = 2;
}

message CommandComponentSchemaMetadata {
  uint32 apid = 1;
}

message CommandSchema {
  CommandSchemaMetadata metadata = 1;
  repeated CommandParameterSchema parameters = 2;
}

message CommandSchemaMetadata {
  uint32 id = 1;
}

message CommandParameterSchema {
  CommandParameterSchemaMetadata metadata = 1;
  CommandParameterDataType data_type = 2;
}

message CommandParameterSchemaMetadata {
  // TODO: string description = 1;
}

enum CommandParameterDataType {
  CMD_PARAMETER_INTEGER = 0;
  CMD_PARAMETER_DOUBLE = 1;
  CMD_PARAMETER_BYTES = 2;
}

message TelemetrySchema {
  TelemetrySchemaMetadata metadata = 1;
  repeated TelemetryFieldSchema fields = 2;
}

message TelemetrySchemaMetadata {
  uint32 id = 1;
}

message TelemetryFieldSchema {
  TelemetryFieldSchemaMetadata metadata = 1;
  string name = 2;
  // TODO: TelemetryFieldDataType data_type = 3;
}

message TelemetryFieldSchemaMetadata {
  // TODO: string description = 1;
}

message TelemetryChannelSchema {
  TelemetryChannelSchemaMetadata metadata = 1;
}

message TelemetryChannelSchemaMetadata {
  uint32 destination_flag_mask = 1;
}

message CommandPrefixSchema {
  CommandPrefixSchemaMetadata metadata = 1;
  map<string, CommandSubsystemSchema> subsystems = 2;
}

message CommandPrefixSchemaMetadata {
}

message CommandSubsystemSchema {
  CommandSubsystemSchemaMetadata metadata = 1;
  bool has_time_indicator = 2;
}

message CommandSubsystemSchemaMetadata {
  uint32 destination_type = 1;
  uint32 execution_type = 2;
}