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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Message {
    ChannelVoice {
        channel: u8,
        message: ChannelVoiceMessage,
    },
    SystemCommon(SystemCommonMessage),
    RealTime(RealTimeMessage),
    SystemExclusive,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum ChannelVoiceMessage {
    NoteOff { note: u8, velocity: u8 },
    NoteOn { note: u8, velocity: u8 },
    PolyphonicPressure { note: u8, pressure: u8 },
    ControlChange { control: u8, value: u8 },
    ProgramChange { program: u8 },
    ChannelPressure { pressure: u8 },
    PitchBend { pitch_bend: u16 },
}

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum SystemCommonMessage {
    MTCQuarterFrame { data: u8 },
    SongPositionPointer { low: u8, high: u8 },
    SongSelect { song: u8 },
    Undefined1,
    Undefined2,
    TuneRequest,
    EOX,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum RealTimeMessage {
    TimingClock,
    Undefined1,
    Start,
    Continue,
    Stop,
    Undefined2,
    ActiveSensing,
    SystemReset,
}