use super::*;

#[derive(Debug)]
pub enum JackEvent {
    ThreadInit,
    Shutdown(ClientStatus, String),
    Freewheel(bool),
    SampleRate(Frames),
    ClientRegistration(String, bool),
    PortRegistration(PortId, bool),
    PortRename(PortId, String, String),
    PortsConnected(PortId, PortId, bool),
    GraphReorder,
    XRun,
}

pub struct Notifications<T: Fn(AppEvent) + Send>(pub T);

impl<T: Fn(AppEvent) + Send> NotificationHandler for Notifications<T> {
    fn thread_init (&self, _: &Client) {
        self.0(AppEvent::Jack(JackEvent::ThreadInit));
    }

    fn shutdown (&mut self, status: ClientStatus, reason: &str) {
        self.0(AppEvent::Jack(JackEvent::Shutdown(status, reason.into())));
    }

    fn freewheel (&mut self, _: &Client, enabled: bool) {
        self.0(AppEvent::Jack(JackEvent::Freewheel(enabled)));
    }

    fn sample_rate (&mut self, _: &Client, frames: Frames) -> Control {
        self.0(AppEvent::Jack(JackEvent::SampleRate(frames)));
        Control::Quit
    }

    fn client_registration (&mut self, _: &Client, name: &str, reg: bool) {
        self.0(AppEvent::Jack(JackEvent::ClientRegistration(name.into(), reg)));
    }

    fn port_registration (&mut self, _: &Client, id: PortId, reg: bool) {
        self.0(AppEvent::Jack(JackEvent::PortRegistration(id, reg)));
    }

    fn port_rename (&mut self, _: &Client, id: PortId, old: &str, new: &str) -> Control {
        self.0(AppEvent::Jack(JackEvent::PortRename(id, old.into(), new.into())));
        Control::Continue
    }

    fn ports_connected (&mut self, _: &Client, a: PortId, b: PortId, are: bool) {
        self.0(AppEvent::Jack(JackEvent::PortsConnected(a, b, are)));
    }

    fn graph_reorder (&mut self, _: &Client) -> Control {
        self.0(AppEvent::Jack(JackEvent::GraphReorder));
        Control::Continue
    }

    fn xrun (&mut self, _: &Client) -> Control {
        self.0(AppEvent::Jack(JackEvent::XRun));
        Control::Continue
    }
}