use crate::*;

pub struct SampleList<'a> {
    compact: bool,
    sampler: &'a Sampler,
    editor:  &'a MidiEditor
}

impl<'a> SampleList<'a> {
    pub fn new (compact: bool, sampler: &'a Sampler, editor: &'a MidiEditor) -> Self {
        Self { compact, sampler, editor }
    }
}

render!(Tui: (self: SampleList<'a>) => {
    let Self { compact, sampler, editor } = self;
    let note_lo = editor.note_lo().load(Relaxed);
    let note_pt = editor.note_point();
    let note_hi = editor.note_hi();
    Fill::xy(Tui::map(move||(note_lo..=note_hi).rev(), move|note, i| {

        let offset = |a|Push::y(i as u16, Align::n(Fixed::y(1, Fill::x(a))));

        let mut bg = if note == note_pt { TuiTheme::g(64) } else { Color::Reset };
        let mut fg = TuiTheme::g(160);
        if sampler.mapped[note].is_some() {
            fg = TuiTheme::g(224);
            bg = Color::Rgb(0, if note == note_pt { 96 } else { 64 }, 0);
        }
        if let Some((index, _)) = sampler.recording {
            if note == index {
                bg = if note == note_pt { Color::Rgb(96,24,0) } else { Color::Rgb(64,16,0) };
                fg = Color::Rgb(224,64,32)
            }
        }

        offset(Tui::fg_bg(fg, bg, format!("{note:3} {}", if *compact {
            String::default()
        } else if let Some(sample) = &sampler.mapped[note] {
            sample.read().unwrap().name.clone()
        } else {
            String::from("(none)")
        })))
    }))
});