mod engine_deps; pub use self::engine_deps::*;
mod time; pub use self::time::*;
mod note; pub use self::note::*;
mod jack; pub use self::jack::*;
mod midi; pub use self::midi::*;

//pub trait MaybeHas<T>: Send + Sync {
    //fn get (&self) -> Option<&T>;
//}

//impl<T, U: Has<Option<T>>> MaybeHas<T> for U {
    //fn get (&self) -> Option<&T> {
        //Has::<Option<T>>::get(self).as_ref()
    //}
//}

pub trait HasN<T>: Send + Sync {
    fn get_nth     (&self,     key: usize) -> &T;
    fn get_nth_mut (&mut self, key: usize) -> &mut T;
}

pub trait Gettable<T> {
    /// Returns current value
    fn get (&self) -> T;
}

pub trait Mutable<T>: Gettable<T> {
    /// Sets new value, returns old
    fn set (&mut self, value: T) -> T;
}

pub trait InteriorMutable<T>: Gettable<T> {
    /// Sets new value, returns old
    fn set (&self, value: T) -> T;
}

impl Gettable<bool> for AtomicBool {
    fn get (&self) -> bool { self.load(Relaxed) }
}

impl InteriorMutable<bool> for AtomicBool {
    fn set (&self, value: bool) -> bool { self.swap(value, Relaxed) }
}

impl Gettable<usize> for AtomicUsize {
    fn get (&self) -> usize { self.load(Relaxed) }
}

impl InteriorMutable<usize> for AtomicUsize {
    fn set (&self, value: usize) -> usize { self.swap(value, Relaxed) }
}

#[cfg(test)] #[test] fn test_time () -> Usually<()> {
    // TODO!
    Ok(())
}

#[cfg(test)] #[test] fn test_midi_range () {
    let model = MidiRangeModel::from((1, false));

    let _ = model.get_time_len();
    let _ = model.get_time_zoom();
    let _ = model.get_time_lock();
    let _ = model.get_time_start();
    let _ = model.get_time_axis();
    let _ = model.get_time_end();

    let _ = model.get_note_lo();
    let _ = model.get_note_axis();
    let _ = model.get_note_hi();
}

//macro_rules! impl_port {
    //($Name:ident : $Spec:ident -> $Pair:ident |$jack:ident, $name:ident|$port:expr) => {
        //#[derive(Debug)] pub struct $Name {
            ///// Handle to JACK client, for receiving reconnect events.
            //jack: Jack<'static>,
            ///// Port name
            //name: Arc<str>,
            ///// Port handle.
            //port: Port<$Spec>,
            ///// List of ports to connect to.
            //conn: Vec<PortConnect>
        //}
        //impl AsRef<Port<$Spec>> for $Name {
            //fn as_ref (&self) -> &Port<$Spec> { &self.port }
        //}
        //impl $Name {
            //pub fn new ($jack: &Jack, name: impl AsRef<str>, connect: &[PortConnect])
                //-> Usually<Self>
            //{
                //let $name = name.as_ref();
                //let jack = $jack.clone();
                //let port = $port?;
                //let name = $name.into();
                //let conn = connect.to_vec();
                //let port = Self { jack, port, name, conn };
                //port.connect_to_matching()?;
                //Ok(port)
            //}
            //pub fn name (&self) -> &Arc<str> { &self.name }
            //pub fn port (&self) -> &Port<$Spec> { &self.port }
            //pub fn port_mut (&mut self) -> &mut Port<$Spec> { &mut self.port }
            //pub fn into_port (self) -> Port<$Spec> { self.port }
            //pub fn close (self) -> Usually<()> {
                //let Self { jack, port, .. } = self;
                //Ok(jack.with_client(|client|client.unregister_port(port))?)
            //}
        //}
        //impl HasJack<'static> for $Name {
            //fn jack (&self) -> &'static Jack<'static> { &self.jack } 
        //}
        //impl JackPort<'static> for $Name {
            //type Port = $Spec;
            //type Pair = $Pair;
            //fn port (&self) -> &Port<$Spec> { &self.port }
        //}
        //impl ConnectTo<'static, &str> for $Name {
            //fn connect_to (&self, to: &str) -> Usually<PortConnectStatus> {
                //self.with_client(|c|if let Some(ref port) = c.port_by_name(to.as_ref()) {
                    //self.connect_to(port)
                //} else {
                    //Ok(Missing)
                //})
            //}
        //}
        //impl ConnectTo<'static, &Port<Unowned>> for $Name {
            //fn connect_to (&self, port: &Port<Unowned>) -> Usually<PortConnectStatus> {
                //self.with_client(|c|Ok(if let Ok(_) = c.connect_ports(&self.port, port) {
                    //Connected
                //} else if let Ok(_) = c.connect_ports(port, &self.port) {
                    //Connected
                //} else {
                    //Mismatch
                //}))
            //}
        //}
        //impl ConnectTo<'static, &Port<$Pair>> for $Name {
            //fn connect_to (&self, port: &Port<$Pair>) -> Usually<PortConnectStatus> {
                //self.with_client(|c|Ok(if let Ok(_) = c.connect_ports(&self.port, port) {
                    //Connected
                //} else if let Ok(_) = c.connect_ports(port, &self.port) {
                    //Connected
                //} else {
                    //Mismatch
                //}))
            //}
        //}
        //impl ConnectAuto<'static> for $Name {
            //fn connections (&self) -> &[PortConnect] {
                //&self.conn
            //}
        //}
    //};
//}