// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library fuchsia.bluetooth.avrcp;

using fuchsia.bluetooth;

// Types are intented match how they are defined in the BT AVRCP 1.6.2 spec
// and the 1394-TA AV\C Panel specification.
// Deviations are called out in comments.

/// Defined by AVRCP 1.6.2 section 6.7.2 (RegisterNotification) and Appendix H.
enum TargetEvent : uint8 {
    /// EVENT_PLAYBACK_STATUS_CHANGED
    PlaybackStatusChanged = 0x01;
    /// EVENT_TRACK_CHANGED
    TrackChanged = 0x02;
    /// EVENT_TRACK_REACHED_END
    TrackReachedEnd = 0x03;
    /// EVENT_TRACK_REACHED_START
    TrackReachedStart = 0x04;
    /// EVENT_TRACK_POS_CHANGED
    TrackPosChanged = 0x05;
    /// EVENT_BATT_STATUS_CHANGED
    BattStatusChanged = 0x06;
    /// EVENT_SYSTEM_STATUS_CHANGED
    SystemStatusChanged = 0x07;
    /// EVENT_PLAYER_APPLICATION_SETTINGS_CHANGED
    PlayerApplicationSettingsChanged = 0x08;
    /// EVENT_NOW_PLAYING_CONTENT_CHANGED
    NowPlayingContentChanged = 0x09;
    /// EVENT_AVAILABLE_PLAYERS_CHANGED
    AvailablePlayersChanged = 0x0a;
    /// EVENT_ADDRESSED_PLAYER_CHANGED
    AddressedPlayerChanged = 0x0b;
    /// EVENT_UIDS_CHANGED
    UidsChanged = 0x0c;
    /// EVENT_VOLUME_CHANGED
    VolumeChanged = 0x0d;
};

/// Defined by AVRCP 1.6.2 section 6.7.2 (RegisterNotification).
/// Format for EVENT_SYSTEM_STATUS_CHANGED.
enum SystemStatus : uint8 {
    PowerOn = 0x00;
    PowerOff = 0x01;
    Unplugged = 0x02;
};

/// Defined by AVRCP 1.6.2 section 6.7.2 (RegisterNotification).
/// Format for EVENT_PLAYBACK_STATUS_CHANGED.
enum PlaybackStatus : uint8 {
    Stopped = 0x00;
    Playing = 0x01;
    Paused = 0x02;
    FwdSeek = 0x03;
    RevSeek = 0x04;
    Error = 0xFF;
};

/// Defined by AVRCP 1.6.2 section 6.7.2 (RegisterNotification).
/// Format for EVENT_BATT_STATUS_CHANGED.
/// Same encoding also defined by 6.5.8 (InformBatteryStatusOfCT).
enum BatteryStatus : uint8 {
    Normal = 0x00;
    Warning = 0x01;
    Critical = 0x02;
    External = 0x03;
    FullCharge = 0x04;
    Reserved = 0x05;
};

/// Defined by AVRCP 1.6.2 Appendix F (player application settings).
enum RepeatStatusMode : uint8 {
    Off = 0x01;
    SingleTrackRepeat = 0x02;
    AllTrackRepeat = 0x03;
    GroupRepeat = 0x04;
    Reserved = 0xFF;
};

/// Defined by AVRCP 1.6.2 Appendix F (player application settings).
enum ShuffleMode : uint8 {
    Off = 0x01;
    AllTracksShuffle = 0x02;
    GroupShuffle = 0x03;
    Reserved = 0xFF;
};

/// Defined by AVRCP 1.6.2 Appendix F (player application settings).
enum ScanMode : uint8 {
    Off = 0x01;
    AllTracksScan = 0x02;
    GroupScan = 0x03;
    Reserved = 0xFF;
};

/// Defined by AVRCP 1.6.2 Appendix F (player application settings).
struct PlayerApplicationSettings {
    bool equalizer;
    RepeatStatusMode repeat_status_mode;
    ShuffleMode shuffle_mode;
    ScanMode scan_mode;
};

/// Defined by AVRCP 1.6.2 Appendix E (media attributes).
struct MediaAttributes {
    string title;
    string artist_name;
    string album_name;
    string track_number;
    string total_number_of_tracks;
    string genre;
    string playing_time;
    // TODO(BT-729): Add BIP cover art handle.
};

/// Defined by AV\C Panel specification.
enum AvcPanelCommand : uint8 {
    select = 0x00;
    up = 0x01;
    down = 0x02;
    left = 0x03;
    right = 0x04;
    root_menu = 0x09;
    contents_menu = 0x0b;
    favorite_menu = 0x0c;
    exit = 0x0d;
    on_demand_menu = 0x0e;
    apps_menu = 0x0f;
    key_0 = 0x20;
    key_1 = 0x21;
    key_2 = 0x22;
    key_3 = 0x23;
    key_4 = 0x24;
    key_5 = 0x25;
    key_6 = 0x26;
    key_7 = 0x27;
    key_8 = 0x28;
    key_9 = 0x29;
    dot = 0x2a;
    enter = 0x2b;
    channel_up = 0x30;
    channel_down = 0x31;
    channel_previous = 0x32;
    input_select = 0x34;
    info = 0x35;
    help = 0x36;
    page_up = 0x37;
    page_down = 0x38;
    lock = 0x3a;
    power = 0x40;
    volume_up = 0x41;
    volume_down = 0x42;
    mute = 0x43;
    play = 0x44;
    stop = 0x45;
    pause = 0x46;
    record = 0x47;
    rewind = 0x48;
    fast_forward = 0x49;
    eject = 0x4a;
    forward = 0x4b;
    backward = 0x4c;
    list = 0x4d;
    f1 = 0x71;
    f2 = 0x72;
    f3 = 0x73;
    f4 = 0x74;
    f5 = 0x75;
    f6 = 0x76;
    f7 = 0x77;
    f8 = 0x78;
    f9 = 0x79;
    red = 0x7a;
    green = 0x7b;
    blue = 0x7c;
    yellow = 0x7d;
};