use crate::*;

handle!(Arranger |self, e| {
    match self.modal.as_mut() {
        Some(modal) => {
            let result = modal.handle(e)?;
            if modal.exited() {
                self.modal = None;
            }
            Ok(result)
        },
        None => handle_keymap(self, e, KEYMAP_ARRANGER)
    }
});

/// Key bindings for arranger section.
pub const KEYMAP_ARRANGER: &'static [KeyBinding<Arranger>] = keymap!(Arranger {
    [Char('`'), NONE, "mode_switch", "switch the display mode", |arranger: &mut Arranger| {
        arranger.mode.to_next();
        Ok(true)
    }],
    [Up,    NONE, "cursor_up",    "move cursor up",    |arranger: &mut Arranger| {
        match arranger.mode {
            ArrangerViewMode::Horizontal => arranger.track_prev(),
            _ => arranger.scene_prev(),
        };
        arranger.show_phrase()?;
        Ok(true)
    }],
    [Down,  NONE, "cursor_down",  "move cursor down",  |arranger: &mut Arranger| {
        match arranger.mode {
            ArrangerViewMode::Horizontal => arranger.track_next(),
            _ => arranger.scene_next(),
        };
        arranger.show_phrase()?;
        Ok(true)
    }],
    [Left,  NONE, "cursor_left",  "move cursor left",  |arranger: &mut Arranger| {
        match arranger.mode {
            ArrangerViewMode::Horizontal => arranger.scene_prev(),
            _ => arranger.track_prev(),
        };
        arranger.show_phrase()?;
        Ok(true)
    }],
    [Right, NONE, "cursor_right", "move cursor right", |arranger: &mut Arranger| {
        match arranger.mode {
            ArrangerViewMode::Horizontal => arranger.scene_next(),
            _ => arranger.track_next(),
        };
        arranger.show_phrase()?;
        Ok(true)
    }],
    [Char('.'), NONE, "increment", "set next clip at cursor", |arranger: &mut Arranger| {
        arranger.phrase_next();
        Ok(true)
    }],
    [Char(','), NONE, "decrement", "set previous clip at cursor", |arranger: &mut Arranger| {
        arranger.phrase_prev();
        Ok(true)
    }],
    [Enter, NONE, "activate", "activate item at cursor", |arranger: &mut Arranger| {
        arranger.activate();
        Ok(true)
    }],
    [Char('a'), CONTROL, "scene_add", "add a new scene", |arranger: &mut Arranger| {
        arranger.scene_add(None)?;
        Ok(true)
    }],
    [Char('t'), CONTROL, "track_add", "add a new track", |arranger: &mut Arranger| {
        arranger.track_add(None)?;
        Ok(true)
    }],
    [Char('n'), NONE, "rename", "rename item at cursor", |arranger: &mut Arranger| {
        arranger.rename_selected();
        Ok(true)
    }],
    [Char('l'), NONE, "length", "set length of item at cursor", |arranger: &mut Arranger| {
        todo!();
        Ok(true)
    }],
    [Char('c'), NONE, "color", "set color of item at cursor", |arranger: &mut Arranger| {
        todo!();
        Ok(true)
    }]
});