guise-ui 1.5.2

//! The [open-color](https://yeun.github.io/open-color/) palette: 14 named
//! colors, each a 10-step shade ramp from lightest (index 0) to darkest
//! (index 9).

use super::color::Color;

/// One of the named colors in the theme palette.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum ColorName {
  Dark,
  Gray,
  Red,
  Pink,
  Grape,
  Violet,
  Indigo,
  Blue,
  Cyan,
  Teal,
  Green,
  Lime,
  Yellow,
  Orange,
}

impl ColorName {
  pub const ALL: [ColorName; 14] = [
    ColorName::Dark,
    ColorName::Gray,
    ColorName::Red,
    ColorName::Pink,
    ColorName::Grape,
    ColorName::Violet,
    ColorName::Indigo,
    ColorName::Blue,
    ColorName::Cyan,
    ColorName::Teal,
    ColorName::Green,
    ColorName::Lime,
    ColorName::Yellow,
    ColorName::Orange,
  ];

  pub fn label(self) -> &'static str {
    match self {
      ColorName::Dark => "dark",
      ColorName::Gray => "gray",
      ColorName::Red => "red",
      ColorName::Pink => "pink",
      ColorName::Grape => "grape",
      ColorName::Violet => "violet",
      ColorName::Indigo => "indigo",
      ColorName::Blue => "blue",
      ColorName::Cyan => "cyan",
      ColorName::Teal => "teal",
      ColorName::Green => "green",
      ColorName::Lime => "lime",
      ColorName::Yellow => "yellow",
      ColorName::Orange => "orange",
    }
  }
}

/// A 10-step shade ramp for a single named color.
#[derive(Debug, Clone, Copy)]
pub struct Shades(pub [Color; 10]);

impl Shades {
  /// Shade by index, clamped into `0..=9`.
  pub fn get(&self, shade: usize) -> Color {
    self.0[shade.min(9)]
  }
}

/// The full set of named colors. Resolved by `ColorName`.
#[derive(Debug, Clone, Copy)]
pub struct Palette {
  shades: [Shades; 14],
}

impl Palette {
  /// The shade ramp for a named color.
  pub fn shades(&self, name: ColorName) -> Shades {
    self.shades[name as usize]
  }

  /// A single shade of a named color.
  pub fn get(&self, name: ColorName, shade: usize) -> Color {
    self.shades(name).get(shade)
  }

  /// Replace the shade ramp for one named color — e.g. re-pin `Dark` to an
  /// app's custom scale before `Theme::init`.
  pub fn set_shades(&mut self, name: ColorName, shades: Shades) {
    self.shades[name as usize] = shades;
  }
}

impl Default for Palette {
  fn default() -> Self {
    open_color()
  }
}

/// The default palette.
pub fn open_color() -> Palette {
  let ramp = |hexes: [&str; 10]| Shades(hexes.map(Color::hex));
  Palette {
    shades: [
      // Dark
      ramp([
        "#C9C9C9", "#b8b8b8", "#828282", "#696969", "#424242", "#3b3b3b", "#2e2e2e", "#242424",
        "#1f1f1f", "#141414",
      ]),
      // Gray
      ramp([
        "#f8f9fa", "#f1f3f5", "#e9ecef", "#dee2e6", "#ced4da", "#adb5bd", "#868e96", "#495057",
        "#343a40", "#212529",
      ]),
      // Red
      ramp([
        "#fff5f5", "#ffe3e3", "#ffc9c9", "#ffa8a8", "#ff8787", "#ff6b6b", "#fa5252", "#f03e3e",
        "#e03131", "#c92a2a",
      ]),
      // Pink
      ramp([
        "#fff0f6", "#ffdeeb", "#fcc2d7", "#faa2c1", "#f783ac", "#f06595", "#e64980", "#d6336c",
        "#c2255c", "#a61e4d",
      ]),
      // Grape
      ramp([
        "#f8f0fc", "#f3d9fa", "#eebefa", "#e599f7", "#da77f2", "#cc5de8", "#be4bdb", "#ae3ec9",
        "#9c36b5", "#862e9c",
      ]),
      // Violet
      ramp([
        "#f3f0ff", "#e5dbff", "#d0bfff", "#b197fc", "#9775fa", "#845ef7", "#7950f2", "#7048e8",
        "#6741d9", "#5f3dc4",
      ]),
      // Indigo
      ramp([
        "#edf2ff", "#dbe4ff", "#bac8ff", "#91a7ff", "#748ffc", "#5c7cfa", "#4c6ef5", "#4263eb",
        "#3b5bdb", "#364fc7",
      ]),
      // Blue
      ramp([
        "#e7f5ff", "#d0ebff", "#a5d8ff", "#74c0fc", "#4dabf7", "#339af0", "#228be6", "#1c7ed6",
        "#1971c2", "#1864ab",
      ]),
      // Cyan
      ramp([
        "#e3fafc", "#c5f6fa", "#99e9f2", "#66d9e8", "#3bc9db", "#22b8cf", "#15aabf", "#1098ad",
        "#0c8599", "#0b7285",
      ]),
      // Teal
      ramp([
        "#e6fcf5", "#c3fae8", "#96f2d7", "#63e6be", "#38d9a9", "#20c997", "#12b886", "#0ca678",
        "#099268", "#087f5b",
      ]),
      // Green
      ramp([
        "#ebfbee", "#d3f9d8", "#b2f2bb", "#8ce99a", "#69db7c", "#51cf66", "#40c057", "#37b24d",
        "#2f9e44", "#2b8a3e",
      ]),
      // Lime
      ramp([
        "#f4fce3", "#e9fac8", "#d8f5a2", "#c0eb75", "#a9e34b", "#94d82d", "#82c91e", "#74b816",
        "#66a80f", "#5c940d",
      ]),
      // Yellow
      ramp([
        "#fff9db", "#fff3bf", "#ffec99", "#ffe066", "#ffd43b", "#fcc419", "#fab005", "#f59f00",
        "#f08c00", "#e67700",
      ]),
      // Orange
      ramp([
        "#fff4e6", "#ffe8cc", "#ffd8a8", "#ffc078", "#ffa94d", "#ff922b", "#fd7e14", "#f76707",
        "#e8590c", "#d9480f",
      ]),
    ],
  }
}