use gpui::Rgba;

pub const fn hex(hex: u32) -> Rgba {
    let [_, r, g, b] = hex.to_be_bytes();

    Rgba {
        r: r as f32 / 255.0,
        g: g as f32 / 255.0,
        b: b as f32 / 255.0,
        a: 1.0,
    }
}

pub const fn hex_alpha(hex: u32, alpha: f32) -> Rgba {
    let [_, r, g, b] = hex.to_be_bytes();

    Rgba {
        r: r as f32 / 255.0,
        g: g as f32 / 255.0,
        b: b as f32 / 255.0,
        a: alpha,
    }
}

#[allow(dead_code)]
pub const fn neutral(shade: u16) -> Rgba {
    match shade {
        | 50 => hex(0xfafafa),
        | 100 => hex(0xf5f5f5),
        | 200 => hex(0xe5e5e5),
        | 300 => hex(0xd4d4d4),
        | 400 => hex(0xa3a3a3),
        | 500 => hex(0x737373),
        | 600 => hex(0x525252),
        | 700 => hex(0x404040),
        | 800 => hex(0x262626),
        | 900 => hex(0x171717),
        | 950 => hex(0x0a0a0a),
        | _ => panic!("unsupported Tailwind neutral shade"),
    }
}

#[allow(dead_code)]
pub const fn violet(shade: u16) -> Rgba {
    match shade {
        | 50 => hex(0xf5f3ff),
        | 100 => hex(0xede9fe),
        | 200 => hex(0xddd6fe),
        | 300 => hex(0xc4b5fd),
        | 400 => hex(0xa78bfa),
        | 500 => hex(0x8b5cf6),
        | 600 => hex(0x7c3aed),
        | 700 => hex(0x6d28d9),
        | 800 => hex(0x5b21b6),
        | 900 => hex(0x4c1d95),
        | 950 => hex(0x2e1065),
        | _ => panic!("unsupported Tailwind violet shade"),
    }
}

#[allow(dead_code)]
pub const fn amber(shade: u16) -> Rgba {
    match shade {
        | 50 => hex(0xfffbeb),
        | 100 => hex(0xfef3c7),
        | 200 => hex(0xfde68a),
        | 300 => hex(0xfcd34d),
        | 400 => hex(0xfbbf24),
        | 500 => hex(0xf59e0b),
        | 600 => hex(0xd97706),
        | 700 => hex(0xb45309),
        | 800 => hex(0x92400e),
        | 900 => hex(0x78350f),
        | 950 => hex(0x451a03),
        | _ => panic!("unsupported Tailwind amber shade"),
    }
}

#[allow(dead_code)]
pub const fn red(shade: u16) -> Rgba {
    match shade {
        | 50 => hex(0xfef2f2),
        | 100 => hex(0xfee2e2),
        | 200 => hex(0xfecaca),
        | 300 => hex(0xfca5a5),
        | 400 => hex(0xf87171),
        | 500 => hex(0xef4444),
        | 600 => hex(0xdc2626),
        | 700 => hex(0xb91c1c),
        | 800 => hex(0x991b1b),
        | 900 => hex(0x7f1d1d),
        | 950 => hex(0x450a0a),
        | _ => panic!("unsupported Tailwind red shade"),
    }
}