use crate::display_list::Color;
pub const BG: Color = Color::rgb(255, 255, 255);
// A visibly separate chrome layer against the warm, near-white content canvas.
pub const BAR: Color = Color::rgb(230, 233, 237);
pub const BORDER: Color = Color::rgb(226, 226, 226);
pub const TEXT: Color = Color::rgb(35, 42, 53);
pub const MUTED: Color = Color::rgb(103, 114, 130);
pub const ERROR: Color = Color::rgb(175, 42, 49);
pub const OK: Color = Color::rgb(31, 121, 80);
pub const PALETTE: [Color; 6] = [
    Color::rgb(22, 113, 213),
    Color::rgb(0, 132, 143),
    Color::rgb(115, 76, 189),
    Color::rgb(180, 68, 115),
    Color::rgb(168, 94, 24),
    Color::rgb(52, 123, 78),
];
#[derive(Clone, Copy, Debug)]
pub struct Theme {
    pub accent: Color,
}
impl Theme {
    pub fn new(accent: Color) -> Self {
        Self {
            accent: readable_accent(accent),
        }
    }
    pub fn soft(self) -> Color {
        mix(BG, self.accent, 0.10)
    }
    pub fn hover(self) -> Color {
        mix(BG, self.accent, 0.17)
    }
    pub fn pressed(self) -> Color {
        mix(BG, self.accent, 0.29)
    }
}
pub fn mix(a: Color, b: Color, amount: f32) -> Color {
    let channel =
        |a: u8, b: u8| (a as f32 + (b as f32 - a as f32) * amount.clamp(0.0, 1.0)).round() as u8;
    Color::rgb(
        channel(a.red, b.red),
        channel(a.green, b.green),
        channel(a.blue, b.blue),
    )
}
pub fn readable_accent(mut c: Color) -> Color {
    while (c.red as u32 * 299 + c.green as u32 * 587 + c.blue as u32 * 114) / 1000 > 155 {
        c = Color::rgb(
            (c.red as f32 * 0.94) as u8,
            (c.green as f32 * 0.94) as u8,
            (c.blue as f32 * 0.94) as u8,
        );
    }
    c
}