syntax = "proto3";

option go_package = "relay/internal/proto";

package proto;

/* Mouse messages */

// MouseMove message
message ProtoMouseMove {
  string type = 1; // Fixed value "MouseMove"
  int32 x = 2;
  int32 y = 3;
}

// MouseMoveAbs message
message ProtoMouseMoveAbs {
  string type = 1; // Fixed value "MouseMoveAbs"
  int32 x = 2;
  int32 y = 3;
}

// MouseWheel message
message ProtoMouseWheel {
  string type = 1; // Fixed value "MouseWheel"
  int32 x = 2;
  int32 y = 3;
}

// MouseKeyDown message
message ProtoMouseKeyDown {
  string type = 1; // Fixed value "MouseKeyDown"
  int32 key = 2;
}

// MouseKeyUp message
message ProtoMouseKeyUp {
  string type = 1; // Fixed value "MouseKeyUp"
  int32 key = 2;
}

/* Keyboard messages */

// KeyDown message
message ProtoKeyDown {
  string type = 1; // Fixed value "KeyDown"
  int32 key = 2;
}

// KeyUp message
message ProtoKeyUp {
  string type = 1; // Fixed value "KeyUp"
  int32 key = 2;
}

/* Controller messages */

// ControllerAttach message
message ProtoControllerAttach {
  string type = 1; // Fixed value "ControllerAttach"
  string id = 2; // One of the following enums: "ps", "xbox" or "switch"
  int32 slot = 3; // Slot number (0-3)
}

// ControllerDetach message
message ProtoControllerDetach {
  string type = 1; // Fixed value "ControllerDetach"
  int32 slot = 2; // Slot number (0-3)
}

// ControllerButton message
message ProtoControllerButton {
  string type = 1; // Fixed value "ControllerButtons"
  int32 slot = 2; // Slot number (0-3)
  int32 button = 3; // Button code (linux input event code)
  bool pressed = 4; // true if pressed, false if released
}

// ControllerTriggers message
message ProtoControllerTrigger {
  string type = 1; // Fixed value "ControllerTriggers"
  int32 slot = 2; // Slot number (0-3)
  int32 trigger = 3; // Trigger number (0 for left, 1 for right)
  int32 value = 4; // trigger value (-32768 to 32767)
}

// ControllerSticks message
message ProtoControllerStick {
  string type = 1; // Fixed value "ControllerStick"
  int32 slot = 2; // Slot number (0-3)
  int32 stick = 3; // Stick number (0 for left, 1 for right)
  int32 x = 4; // X axis value (-32768 to 32767)
  int32 y = 5; // Y axis value (-32768 to 32767)
}

// ControllerAxis message
message ProtoControllerAxis {
  string type = 1; // Fixed value "ControllerAxis"
  int32 slot = 2; // Slot number (0-3)
  int32 axis = 3; // Axis number (0 for d-pad horizontal, 1 for d-pad vertical)
  int32 value = 4; // axis value (-1 to 1)
}

// ControllerRumble message
message ProtoControllerRumble {
  string type = 1; // Fixed value "ControllerRumble"
  int32 slot = 2; // Slot number (0-3)
  int32 low_frequency = 3; // Low frequency rumble (0-65535)
  int32 high_frequency = 4; // High frequency rumble (0-65535)
  int32 duration = 5; // Duration in milliseconds
}

// Union of all Input types
message ProtoInput {
  oneof input_type {
    ProtoMouseMove mouse_move = 1;
    ProtoMouseMoveAbs mouse_move_abs = 2;
    ProtoMouseWheel mouse_wheel = 3;
    ProtoMouseKeyDown mouse_key_down = 4;
    ProtoMouseKeyUp mouse_key_up = 5;
    ProtoKeyDown key_down = 6;
    ProtoKeyUp key_up = 7;
    ProtoControllerAttach controller_attach = 8;
    ProtoControllerDetach controller_detach = 9;
    ProtoControllerButton controller_button = 10;
    ProtoControllerTrigger controller_trigger = 11;
    ProtoControllerStick controller_stick = 12;
    ProtoControllerAxis controller_axis = 13;
    ProtoControllerRumble controller_rumble = 14;
  }
}