#[derive(Debug, Clone, Copy, PartialEq, Eq)]
#[repr(u32)]
pub enum ButtonId {
    Up = 0,
    Down = 1,
    Left = 2,
    Right = 3,
    A = 4,
    B = 5,
    X = 6,
    Y = 7,
    L = 8,
    R = 9,
    Start = 10,
    Select = 11,
}

#[derive(Default, Clone, Copy, Debug)]
pub struct Button {
    pub pressed: bool,
    pub released: bool,
    pub down: bool,
    pub hold_frames: u32,
}

impl Button {
    pub fn begin_frame(&mut self, is_down_now: bool) {
        let was_down = self.down;
        self.down = is_down_now.clone();

        self.pressed = !was_down && self.down;
        self.released = was_down && !self.down;

        if self.down {
            self.hold_frames = self.hold_frames.saturating_add(1);
        } else {
            self.hold_frames = 0;
        }
    }
}