use crate::*;

impl<T: Has<Vec<Device>> + Has<Track>> HasDevices for T {
    fn devices (&self) -> &Vec<Device> {
        self.get()
    }
    fn devices_mut (&mut self) -> &mut Vec<Device> {
        self.get_mut()
    }
}

pub trait HasDevices: Has<Track> {
    fn devices (&self) -> &Vec<Device>;
    fn devices_mut (&mut self) -> &mut Vec<Device>;
}

#[derive(Debug)]
pub enum Device {
    #[cfg(feature = "sampler")]
    Sampler(Sampler),
    #[cfg(feature = "lv2")]  // TODO
    Lv2(Lv2),
    #[cfg(feature = "vst2")] // TODO
    Vst2,
    #[cfg(feature = "vst3")] // TODO
    Vst3,
    #[cfg(feature = "clap")] // TODO
    Clap,
    #[cfg(feature = "sf2")]  // TODO
    Sf2,       
}

impl Device {
    pub fn name (&self) -> &str {
        match self {
            Self::Sampler(sampler) => sampler.name.as_ref(),
            _ => todo!(),
        }
    }
    pub fn midi_ins (&self) -> &[JackMidiIn] {
        match self {
            //Self::Sampler(Sampler { midi_in, .. }) => &[midi_in],
            _ => todo!()
        }
    }
    pub fn midi_outs (&self) -> &[JackMidiOut] {
        match self {
            Self::Sampler(_) => &[],
            _ => todo!()
        }
    }
    pub fn audio_ins (&self) -> &[JackAudioIn] {
        match self {
            Self::Sampler(Sampler { audio_ins, .. }) => audio_ins.as_slice(),
            _ => todo!()
        }
    }
    pub fn audio_outs (&self) -> &[JackAudioOut] {
        match self {
            Self::Sampler(Sampler { audio_outs, .. }) => audio_outs.as_slice(),
            _ => todo!()
        }
    }
}

pub struct DeviceAudio<'a>(pub &'a mut Device);

audio!(|self: DeviceAudio<'a>, client, scope|{
    use Device::*;
    match self.0 {
        #[cfg(feature = "sampler")]
        Sampler(sampler) => sampler.process(client, scope),

        #[cfg(feature = "lv2")]
        Lv2(lv2) => lv2.process(client, scope),

        #[cfg(feature = "vst2")]
        Vst2 => { todo!() }, // TODO

        #[cfg(feature = "vst3")]
        Vst3 => { todo!() }, // TODO

        #[cfg(feature = "clap")]
        Clap => { todo!() }, // TODO

        #[cfg(feature = "sf2")]
        Sf2 => { todo!() }, // TODO
    }
});

#[tengri_proc::command(Device)]
impl DeviceCommand {
}