syntax = "proto3";


package socket_message;


message Vector { float x = 1; float y = 2; }
message I2CDevice { int32 address = 1; string part_number = 2; string name = 3; }
message PinConfig { int32 pin = 1; string mode = 2; string type = 3; string role = 4; }
message KnownNetworkItem { string ssid = 1; string password = 2; bool static_ip = 3; optional string local_ip = 4; optional string subnet_mask = 5; optional string gateway_ip = 6; optional string dns_ip_1 = 7; optional string dns_ip_2 = 8;  }

// Individual message data types
message IMUData {
    float x = 1;
    float y = 2;
    float z = 3;
    float heading = 4;
    float altitude = 5;
    float bmp_temp = 6;
    float pressure = 7;
}

enum ModesEnum {
    DEACTIVATED = 0;
    IDLE = 1;
    CALIBRATION = 2;
    REST = 3;
    STAND = 4;
    WALK = 5;
}
message StaticSystemInformation {
    string esp_platform = 1; 
    string firmware_version = 2; 
    uint32 cpu_freq_mhz = 3; 
    string cpu_type = 4; 
    int32 cpu_rev = 5; 
    uint32 cpu_cores = 6; 
    uint32 sketch_size = 7; 
    uint32 free_sketch_space = 8; 
    string sdk_version = 9; 
    string arduino_version = 10; 
    uint32 flash_chip_size = 11; 
    uint32 flash_chip_speed = 12; 
    string cpu_reset_reason = 13; 
}


message IMUCalibrateData { bool success = 1; }
message IMUCalibrateExecute {}
message ModeData { ModesEnum mode = 1; }
message ControllerInputData {
    Vector left = 1;
    Vector right = 2;
    float height = 3;
    float speed = 4;
    float s1 = 5;
}
message AnalyticsData {
    int32 max_alloc_heap = 1;
    int32 psram_size = 2;
    int32 free_psram = 3;
    int32 free_heap = 4;
    int32 total_heap = 5;
    int32 min_free_heap = 6;
    float core_temp = 7;
    int32 fs_total = 8;
    int32 fs_used = 9;
    int64 uptime = 10;
    int32 cpu0_usage = 11;
    int32 cpu1_usage = 12;
    int32 cpu_usage = 13;
}

message ServoPWMData {
    int32 servo_id = 1;
    uint32 servo_pwm = 2;
}
message ServoStateData {
    bool active = 1;
}

message AnglesData { repeated int32 angles = 1; }
message I2CScanData { repeated I2CDevice devices = 1; }
message I2CScanDataRequest {}
message PeripheralSettingsData { int32 sda = 1; int32 scl = 2; int32 frequency = 3; repeated PinConfig pins = 4; }
message PeripheralSettingsDataRequest {}
message WifiSettingsData { string hostname = 1; bool priority_rssi = 2; repeated KnownNetworkItem wifi_networks = 3; }
message RSSIData { int32 rssi = 1; }
message DownloadOTAData { string status = 1; int32 progress = 2; string error = 3; }
message SonarData { string dummy_field = 1; }
message HumanInputData {
    Vector left = 10; Vector right = 11; float height = 20; float speed = 21; float s1 = 22;
}
message SystemInformation {
    AnalyticsData analytics_data = 1; StaticSystemInformation static_system_information = 2;
}
enum WalkGaits {
    TROT = 0;
    CRAWL = 1;
}
message WalkGaitData {
    WalkGaits gait = 1;
}
message KinematicData {
    float omega = 1;
    float phi = 2;
    float psi = 3;
    float xm = 4;
    float ym = 5;
    float zm = 6;
}

message SubscribeNotification { int32 tag = 1; }
message UnsubscribeNotification {int32 tag = 1; }

message PingMsg {}
message PongMsg {}


// WebSocket message wrapper
// Only ONE field will be set at a time (oneof ensures this)
message WebsocketMessage {
    oneof message {
        SubscribeNotification sub_notif = 20;
        UnsubscribeNotification unsub_notif = 21;
        PingMsg pingmsg = 30;
        PongMsg pongmsg = 31;
        IMUData imu = 110;
        IMUCalibrateData imu_calibrate = 120;
        IMUCalibrateExecute imu_calibrate_execute = 121;
        ModeData mode = 130;
        ControllerInputData input = 140;
        AnalyticsData analytics = 150;
        AnglesData angles = 170;
        I2CScanData i2c_scan = 180;
        I2CScanDataRequest i2c_scan_data_request = 181;
        PeripheralSettingsData peripheral_settings = 190;
        PeripheralSettingsDataRequest peripheral_settings_data_request = 191;
        KinematicData kinematic_data = 200;
        WifiSettingsData wifi_settings = 240;
        HumanInputData human_input_data = 250;
        RSSIData rssi = 260;
    }
}