syntax = "proto2";

package chre_settings_test;

option java_package = "com.google.android.chre.nanoapp.proto";
option java_outer_classname = "ChreSettingsTest";

// Nanoappp message type can be either host to chre (H2C) or chre to host (C2H)
enum MessageType {
  // Reserved for corrupted messages
  UNDEFINED = 0;

  // H2C: A message to start the test.
  // Payload must be TestCommand.
  TEST_COMMAND = 1;

  // C2H: A message indicating the test result.
  TEST_RESULT = 2;

  // C2H: A message indicating a previously received SETUP step from a
  // TEST_COMMAND message has completed. No payload.
  TEST_SETUP_COMPLETE = 3;
}

// A message to start the test.
message TestCommand {
  enum Feature {
    FEATURE_UNDEFINED = 0;
    WIFI_SCANNING = 1;
    WIFI_RTT = 2;
    GNSS_LOCATION = 3;
    GNSS_MEASUREMENT = 4;
    WWAN_CELL_INFO = 5;
    AUDIO = 6;
  }

  // The state of this feature at the system level.
  enum State {
    STATE_UNDEFINED = 0;
    DISABLED = 1;
    ENABLED = 2;
  }

  // The test step for the nanoapp to take.
  enum Step {
    STEP_UNDEFINED = 0;
    // Sets up the nanoapp for an upcoming START test step (e.g. perform a WiFi
    // scan for a WiFi RTT test).
    SETUP = 1;
    // Begin the test (after optionally receiving a SETUP test step).
    START = 2;
  }

  // The feature to test.
  optional Feature feature = 1;

  // The feature state (e.g. enabled or disabled), only used if the test step is
  // START.
  optional State state = 2 [default = ENABLED];

  // The test step.
  optional Step step = 3 [default = START];
}

// A message used to provide the test result.
message TestResult {
  enum Code {
    PASSED = 0;
    FAILED = 1;
  }

  optional Code code = 1 [default = FAILED];
  optional bytes errorMessage = 2;
}