use crate::*;

impl Handle<Tui> for Mixer<Tui> {
    fn handle (&mut self, engine: &TuiInput) -> Perhaps<bool> {
        if let TuiEvent::Input(crossterm::event::Event::Key(event)) = engine.event() {

            match event.code {
                //KeyCode::Char('c') => {
                    //if event.modifiers == KeyModifiers::CONTROL {
                        //self.exit();
                    //}
                //},
                KeyCode::Down => {
                    self.selected_track = (self.selected_track + 1) % self.tracks.len();
                    println!("{}", self.selected_track);
                    return Ok(Some(true))
                },
                KeyCode::Up => {
                    if self.selected_track == 0 {
                        self.selected_track = self.tracks.len() - 1;
                    } else {
                        self.selected_track -= 1;
                    }
                    println!("{}", self.selected_track);
                    return Ok(Some(true))
                },
                KeyCode::Left => {
                    if self.selected_column == 0 {
                        self.selected_column = 6
                    } else {
                        self.selected_column -= 1;
                    }
                    return Ok(Some(true))
                },
                KeyCode::Right => {
                    if self.selected_column == 6 {
                        self.selected_column = 0
                    } else {
                        self.selected_column += 1;
                    }
                    return Ok(Some(true))
                },
                _ => {
                    println!("\n{event:?}");
                }
            }

        }
        Ok(None)
    }
}

//pub const ACTIONS: [(&'static str, &'static str);2] = [
    //("+/-",     "Adjust"),
    //("Ins/Del", "Add/remove track"),
//];