use gpui::rgb;

use super::{Mode, Palette, Syntax};

/// A code palette by name, one for each mode.
#[derive(Clone, Debug, PartialEq)]
pub struct SyntaxTheme {
    pub name: &'static str,
    pub light: Syntax,
    pub dark: Syntax,
}

impl SyntaxTheme {
    pub fn of(&self, mode: Mode) -> Syntax {
        match mode {
            Mode::Light => self.light.clone(),
            Mode::Dark => self.dark.clone(),
        }
    }
}

/// Thirteen colors in `Syntax`'s field order: keyword, string, number, comment, function, type, constant, property, tag, attribute, operator, punctuation, variable.
fn syntax(hex: [u32; 13]) -> Syntax {
    let [
        keyword,
        string,
        number,
        comment,
        function,
        type_name,
        constant,
        property,
        tag,
        attribute,
        operator,
        punctuation,
        variable,
    ] = hex.map(|value| rgb(value).into());
    Syntax {
        keyword,
        string,
        number,
        comment,
        function,
        type_name,
        constant,
        property,
        tag,
        attribute,
        operator,
        punctuation,
        variable,
    }
}

/// Ely's code colors, a quiet set that keeps to the text's own inks, and a warm paper set.
pub fn syntax_themes() -> [SyntaxTheme; 3] {
    [
        SyntaxTheme {
            name: "Ely",
            light: Palette::light(false).syntax,
            dark: Palette::dark(false).syntax,
        },
        SyntaxTheme {
            name: "Quiet",
            light: syntax([
                0x3d3a36, 0x5b6f4a, 0x7a5a3a, 0x9a9793, 0x2f2c29, 0x4f5b66, 0x7a5a3a, 0x5a5550,
                0x4f5b66, 0x7a5a3a, 0x6b6865, 0x8a8784, 0x181613,
            ]),
            dark: syntax([
                0xd6d3d0, 0xa8b894, 0xd0b48f, 0x6e6b68, 0xf3f1f0, 0xa9b6c2, 0xd0b48f, 0xc2beba,
                0xa9b6c2, 0xd0b48f, 0x9b9895, 0x7f7c79, 0xf3f1f0,
            ]),
        },
        SyntaxTheme {
            name: "Paper",
            light: syntax([
                0x8a4f2b, 0x5f7a3a, 0x9a6a1f, 0xa39a8c, 0x3d5a80, 0x2f6f6a, 0x9a6a1f, 0x7a4b5c,
                0x7a4b5c, 0x8a4f2b, 0x6f6a62, 0x8f887e, 0x2a2622,
            ]),
            dark: syntax([
                0xd69a72, 0xa9c287, 0xe0b56e, 0x7d766b, 0x92b4d8, 0x7fc2ba, 0xe0b56e, 0xd49aae,
                0xd49aae, 0xd69a72, 0xa8a298, 0x8a8479, 0xece6dc,
            ]),
        },
    ]
}