ratatui-themekit 0.2.0

//! Built-in theme implementations.
//!
//! Each theme is a `ThemeData` const — pure data, no code repetition.
//! `ThemeData` implements `Theme` once; adding a new theme is one const.

use ratatui::style::Color;

use crate::Theme;

/// A theme defined as pure data. Implements `Theme` automatically.
///
/// All built-in themes are `ThemeData` constants. Custom themes use
/// the same struct via `CustomTheme` (with serde support).
#[derive(Debug, Clone)]
pub struct ThemeData {
    /// Human-readable display name.
    pub name: &'static str,
    /// Short config identifier (e.g. `"catppuccin"`).
    pub id: &'static str,
    /// Primary accent color.
    pub accent: Color,
    /// Muted accent.
    pub accent_dim: Color,
    /// Default text.
    pub text: Color,
    /// Dimmed text.
    pub text_dim: Color,
    /// Bright/emphasis text.
    pub text_bright: Color,
    /// Success/pass.
    pub success: Color,
    /// Error/fail.
    pub error: Color,
    /// Warning/pending.
    pub warning: Color,
    /// Informational.
    pub info: Color,
    /// Diff added lines.
    pub diff_added: Color,
    /// Diff removed lines.
    pub diff_removed: Color,
    /// Diff context/unchanged.
    pub diff_context: Color,
    /// Panel borders.
    pub border: Color,
    /// Background highlight (selected/focused).
    pub surface: Color,
}

impl Theme for ThemeData {
    fn name(&self) -> &str {
        self.name
    }
    fn id(&self) -> &str {
        self.id
    }
    fn accent(&self) -> Color {
        self.accent
    }
    fn accent_dim(&self) -> Color {
        self.accent_dim
    }
    fn text(&self) -> Color {
        self.text
    }
    fn text_dim(&self) -> Color {
        self.text_dim
    }
    fn text_bright(&self) -> Color {
        self.text_bright
    }
    fn success(&self) -> Color {
        self.success
    }
    fn error(&self) -> Color {
        self.error
    }
    fn warning(&self) -> Color {
        self.warning
    }
    fn info(&self) -> Color {
        self.info
    }
    fn diff_added(&self) -> Color {
        self.diff_added
    }
    fn diff_removed(&self) -> Color {
        self.diff_removed
    }
    fn diff_context(&self) -> Color {
        self.diff_context
    }
    fn border(&self) -> Color {
        self.border
    }
    fn surface(&self) -> Color {
        self.surface
    }
}

// ── Built-in themes (pure data) ────────────────────────────────

/// Catppuccin Mocha — warm dark theme with pastel colors.
pub const CATPPUCCIN_MOCHA: ThemeData = ThemeData {
    name: "Catppuccin Mocha",
    id: "catppuccin",
    accent: Color::Rgb(137, 180, 250),
    accent_dim: Color::Rgb(108, 112, 134),
    text: Color::Rgb(205, 214, 244),
    text_dim: Color::Rgb(127, 132, 156),
    text_bright: Color::Rgb(245, 224, 220),
    success: Color::Rgb(166, 227, 161),
    error: Color::Rgb(243, 139, 168),
    warning: Color::Rgb(249, 226, 175),
    info: Color::Rgb(137, 220, 235),
    diff_added: Color::Rgb(166, 227, 161),
    diff_removed: Color::Rgb(243, 139, 168),
    diff_context: Color::Rgb(127, 132, 156),
    border: Color::Rgb(69, 71, 90),
    surface: Color::Rgb(49, 50, 68),
};

/// Dracula — dark theme with vivid colors.
pub const DRACULA: ThemeData = ThemeData {
    name: "Dracula",
    id: "dracula",
    accent: Color::Rgb(189, 147, 249),
    accent_dim: Color::Rgb(98, 114, 164),
    text: Color::Rgb(248, 248, 242),
    text_dim: Color::Rgb(98, 114, 164),
    text_bright: Color::Rgb(255, 255, 255),
    success: Color::Rgb(80, 250, 123),
    error: Color::Rgb(255, 85, 85),
    warning: Color::Rgb(241, 250, 140),
    info: Color::Rgb(139, 233, 253),
    diff_added: Color::Rgb(80, 250, 123),
    diff_removed: Color::Rgb(255, 85, 85),
    diff_context: Color::Rgb(98, 114, 164),
    border: Color::Rgb(68, 71, 90),
    surface: Color::Rgb(55, 59, 81),
};

/// Nord — arctic blue-gray theme.
pub const NORD: ThemeData = ThemeData {
    name: "Nord",
    id: "nord",
    accent: Color::Rgb(136, 192, 208),
    accent_dim: Color::Rgb(76, 86, 106),
    text: Color::Rgb(216, 222, 233),
    text_dim: Color::Rgb(76, 86, 106),
    text_bright: Color::Rgb(236, 239, 244),
    success: Color::Rgb(163, 190, 140),
    error: Color::Rgb(191, 97, 106),
    warning: Color::Rgb(235, 203, 139),
    info: Color::Rgb(129, 161, 193),
    diff_added: Color::Rgb(163, 190, 140),
    diff_removed: Color::Rgb(191, 97, 106),
    diff_context: Color::Rgb(76, 86, 106),
    border: Color::Rgb(59, 66, 82),
    surface: Color::Rgb(46, 52, 64),
};

/// Gruvbox Dark — retro warm dark theme.
pub const GRUVBOX_DARK: ThemeData = ThemeData {
    name: "Gruvbox Dark",
    id: "gruvbox",
    accent: Color::Rgb(215, 153, 33),
    accent_dim: Color::Rgb(146, 131, 116),
    text: Color::Rgb(235, 219, 178),
    text_dim: Color::Rgb(146, 131, 116),
    text_bright: Color::Rgb(251, 241, 199),
    success: Color::Rgb(142, 192, 124),
    error: Color::Rgb(204, 36, 29),
    warning: Color::Rgb(250, 189, 47),
    info: Color::Rgb(131, 165, 152),
    diff_added: Color::Rgb(142, 192, 124),
    diff_removed: Color::Rgb(204, 36, 29),
    diff_context: Color::Rgb(146, 131, 116),
    border: Color::Rgb(80, 73, 69),
    surface: Color::Rgb(60, 56, 54),
};

/// One Dark — Atom editor's iconic theme.
pub const ONE_DARK: ThemeData = ThemeData {
    name: "One Dark",
    id: "one-dark",
    accent: Color::Rgb(97, 175, 239),
    accent_dim: Color::Rgb(92, 99, 112),
    text: Color::Rgb(171, 178, 191),
    text_dim: Color::Rgb(92, 99, 112),
    text_bright: Color::Rgb(209, 212, 219),
    success: Color::Rgb(152, 195, 121),
    error: Color::Rgb(224, 108, 117),
    warning: Color::Rgb(229, 192, 123),
    info: Color::Rgb(86, 182, 194),
    diff_added: Color::Rgb(152, 195, 121),
    diff_removed: Color::Rgb(224, 108, 117),
    diff_context: Color::Rgb(92, 99, 112),
    border: Color::Rgb(62, 68, 81),
    surface: Color::Rgb(44, 49, 58),
};

/// Solarized Dark — Ethan Schoonover's precision-engineered dark theme.
pub const SOLARIZED_DARK: ThemeData = ThemeData {
    name: "Solarized Dark",
    id: "solarized",
    accent: Color::Rgb(38, 139, 210),
    accent_dim: Color::Rgb(88, 110, 117),
    text: Color::Rgb(147, 161, 161),
    text_dim: Color::Rgb(88, 110, 117),
    text_bright: Color::Rgb(253, 246, 227),
    success: Color::Rgb(133, 153, 0),
    error: Color::Rgb(220, 50, 47),
    warning: Color::Rgb(181, 137, 0),
    info: Color::Rgb(42, 161, 152),
    diff_added: Color::Rgb(133, 153, 0),
    diff_removed: Color::Rgb(220, 50, 47),
    diff_context: Color::Rgb(88, 110, 117),
    border: Color::Rgb(7, 54, 66),
    surface: Color::Rgb(0, 43, 54),
};

/// Tailwind Dark — based on Tailwind CSS color palette.
pub const TAILWIND_DARK: ThemeData = ThemeData {
    name: "Tailwind Dark",
    id: "tailwind",
    accent: Color::Rgb(99, 102, 241),
    accent_dim: Color::Rgb(67, 56, 202),
    text: Color::Rgb(226, 232, 240),
    text_dim: Color::Rgb(148, 163, 184),
    text_bright: Color::Rgb(248, 250, 252),
    success: Color::Rgb(34, 197, 94),
    error: Color::Rgb(239, 68, 68),
    warning: Color::Rgb(234, 179, 8),
    info: Color::Rgb(14, 165, 233),
    diff_added: Color::Rgb(34, 197, 94),
    diff_removed: Color::Rgb(239, 68, 68),
    diff_context: Color::Rgb(148, 163, 184),
    border: Color::Rgb(51, 65, 85),
    surface: Color::Rgb(30, 41, 59),
};

/// Tokyo Night — dark theme with vivid blue accents.
///
/// Based on the popular VS Code / Neovim theme by enkia.
pub const TOKYO_NIGHT: ThemeData = ThemeData {
    name: "Tokyo Night",
    id: "tokyo-night",
    accent: Color::Rgb(122, 162, 247),
    accent_dim: Color::Rgb(61, 89, 161),
    text: Color::Rgb(169, 177, 214),
    text_dim: Color::Rgb(120, 124, 153),
    text_bright: Color::Rgb(192, 202, 245),
    success: Color::Rgb(158, 206, 106),
    error: Color::Rgb(247, 118, 142),
    warning: Color::Rgb(224, 175, 104),
    info: Color::Rgb(125, 207, 255),
    diff_added: Color::Rgb(158, 206, 106),
    diff_removed: Color::Rgb(247, 118, 142),
    diff_context: Color::Rgb(120, 124, 153),
    border: Color::Rgb(41, 53, 90),
    surface: Color::Rgb(32, 35, 48),
};

/// Rosé Pine — dark theme with muted, elegant rose tones.
///
/// Based on the Rosé Pine palette by mvllow.
pub const ROSE_PINE: ThemeData = ThemeData {
    name: "Rosé Pine",
    id: "rose-pine",
    accent: Color::Rgb(235, 188, 186),
    accent_dim: Color::Rgb(196, 167, 231),
    text: Color::Rgb(224, 222, 244),
    text_dim: Color::Rgb(144, 140, 170),
    text_bright: Color::Rgb(224, 222, 244),
    success: Color::Rgb(49, 116, 143),
    error: Color::Rgb(235, 111, 146),
    warning: Color::Rgb(246, 193, 119),
    info: Color::Rgb(156, 207, 216),
    diff_added: Color::Rgb(156, 207, 216),
    diff_removed: Color::Rgb(235, 111, 146),
    diff_context: Color::Rgb(110, 106, 134),
    border: Color::Rgb(38, 35, 58),
    surface: Color::Rgb(64, 61, 82),
};

// ── Special themes ─────────────────────────────────────────────

/// Terminal Native — uses named ANSI colors only.
///
/// Works on any terminal without truecolor support. Colors adapt
/// to the user's terminal color scheme automatically.
pub const TERMINAL_NATIVE: ThemeData = ThemeData {
    name: "Terminal Native",
    id: "terminal",
    accent: Color::Blue,
    accent_dim: Color::DarkGray,
    text: Color::White,
    text_dim: Color::DarkGray,
    text_bright: Color::White,
    success: Color::Green,
    error: Color::Red,
    warning: Color::Yellow,
    info: Color::Cyan,
    diff_added: Color::Green,
    diff_removed: Color::Red,
    diff_context: Color::DarkGray,
    border: Color::DarkGray,
    surface: Color::Black,
};

/// `NO_COLOR` compliant theme — all colors are `Color::Reset`.
///
/// Respects <https://no-color.org/>. Used automatically when the
/// `NO_COLOR` environment variable is set.
pub const NO_COLOR: ThemeData = ThemeData {
    name: "No Color",
    id: "no-color",
    accent: Color::Reset,
    accent_dim: Color::Reset,
    text: Color::Reset,
    text_dim: Color::Reset,
    text_bright: Color::Reset,
    success: Color::Reset,
    error: Color::Reset,
    warning: Color::Reset,
    info: Color::Reset,
    diff_added: Color::Reset,
    diff_removed: Color::Reset,
    diff_context: Color::Reset,
    border: Color::Reset,
    surface: Color::Reset,
};