use super::*;

#[derive(Clone, Debug)]
pub struct PaletteSystem {
    inner: HashMap<String, Palette>,
}

impl Default for PaletteSystem {
    fn default() -> Self {
        Self { inner: Default::default() }
    }
}

impl PaletteSystem {
    /// Builtin palettes
    /// https://tailwindcss.com/docs/customizing-colors
    pub fn builtin() -> Self {
        let mut new = Self::default();
        new.register("slate".to_string(), Palette::slate());
        new.register("gray".to_string(), Palette::gray());
        new.register("zinc".to_string(), Palette::zinc());
        new.register("neutral".to_string(), Palette::neutral());
        new.register("stone".to_string(), Palette::stone());
        new.register("red".to_string(), Palette::red());
        new.register("orange".to_string(), Palette::orange());
        new.register("amber".to_string(), Palette::amber());
        new.register("yellow".to_string(), Palette::yellow());
        new.register("lime".to_string(), Palette::lime());
        new.register("green".to_string(), Palette::green());
        new.register("emerald".to_string(), Palette::emerald());
        new.register("teal".to_string(), Palette::teal());
        new.register("cyan".to_string(), Palette::cyan());
        new.register("sky".to_string(), Palette::sky());
        new.register("blue".to_string(), Palette::blue());
        new.register("indigo".to_string(), Palette::indigo());
        new.register("violet".to_string(), Palette::violet());
        new.register("purple".to_string(), Palette::purple());
        new.register("fuchsia".to_string(), Palette::fuchsia());
        new.register("pink".to_string(), Palette::pink());
        new.register("rose".to_string(), Palette::rose());
        return new;
    }

    pub fn get_color(&self, name: &str, weight: usize) -> Result<Srgb> {
        match self.inner.get(name) {
            Some(p) => p.get_color(weight),
            None => syntax_error!("no such palette"),
        }
    }

    #[inline]
    pub fn register(&mut self, name: String, colors: Palette) -> Option<Palette> {
        self.inner.insert(name, colors)
    }
}