use std::slice;

#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub enum Button {
    Back,
    Screen1,
    Screen2,
    Screen3,
    Screen4,
    Light,

    M1,
    M2,
    M3,
    MR,

    G1,
    G2,
    G3,
    G4,
    G5,
    G6,
    G7,

    G8,
    G9,
    G10,
    G11,
    G12,
    G13,
    G14,

    G15,
    G16,
    G17,
    G18,
    G19,

    G20,
    G21,
    G22,

    Stick1,
    Stick2,
    Stick3,
}

impl Button {
    pub(super) fn to_evdev_button(&self) -> input_linux::Key {
        use input_linux::Key::*;

        match &self {
            Button::Back => ButtonBack,
            Button::Screen1 => Button0,
            Button::Screen2 => Button1,
            Button::Screen3 => Button2,
            Button::Screen4 => Button3,
            Button::Light => Button4,
            Button::M1 => Button5,
            Button::M2 => Button6,
            Button::M3 => Button7,
            Button::MR => Button8,
            Button::G1 => Button9,
            Button::G2 => Unknown10A,
            Button::G3 => Unknown10B,
            Button::G4 => Unknown10C,
            Button::G5 => Unknown10D,
            Button::G6 => Unknown10E,
            Button::G7 => Unknown10F,
            Button::G8 => Unknown118,
            Button::G9 => Unknown119,
            Button::G10 => Unknown11A,
            Button::G11 => Unknown11B,
            Button::G12 => Unknown11C,
            Button::G13 => Unknown11D,
            Button::G14 => Unknown11E,
            Button::G15 => Unknown11F,
            Button::G16 => Unknown12C,
            Button::G17 => Unknown12D,
            Button::G18 => Unknown12E,
            Button::G19 => Unknown13F,
            Button::G20 => Unknown152,
            Button::G21 => Unknown153,
            Button::G22 => Unknown154,
            Button::Stick1 => Unknown155,
            Button::Stick2 => Unknown156,
            Button::Stick3 => Unknown157,
        }
    }

    pub fn all_buttons() -> slice::Iter<'static, Self> {
        use Button::*;
        [
            Back, Screen1, Screen2, Screen3, Screen4, Light, M1, M2, M3, MR, G1, G2, G3, G4, G5, G6, G7, G8, G9, G10,
            G11, G12, G13, G14, G15, G16, G17, G18, G19, G20, G21, G22, Stick1, Stick2, Stick3,
        ]
        .iter()
    }
}