arct-tui 0.2.2

Terminal UI for Arc Academy Terminal - interactive shell learning interface
Documentation 
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//! Theme and color scheme management

use ratatui::style::{Color, Style, Modifier};

/// Theme for the TUI
#[derive(Debug, Clone)]
pub struct Theme {
    pub name: String,

    // Background colors
    pub bg_primary: Color,
    pub bg_secondary: Color,
    pub bg_tertiary: Color,

    // Foreground colors
    pub fg_primary: Color,
    pub fg_secondary: Color,
    pub fg_dim: Color,

    // Accent colors
    pub accent: Color,
    pub success: Color,
    pub warning: Color,
    pub error: Color,
    pub info: Color,

    // UI elements
    pub border: Color,
    pub border_focused: Color,
    pub selection: Color,
}

impl Theme {
    /// Arc Academy Orange theme (default)
    pub fn arc_academy_orange() -> Self {
        Self {
            name: "Arc Academy Orange".to_string(),

            // Dark background with orange accents
            bg_primary: Color::Rgb(18, 18, 20),      // #121214 - Very dark
            bg_secondary: Color::Rgb(26, 26, 28),    // #1a1a1c - Dark
            bg_tertiary: Color::Rgb(32, 32, 36),     // #202024 - Lighter dark

            fg_primary: Color::Rgb(230, 230, 235),   // #e6e6eb - Bright text
            fg_secondary: Color::Rgb(180, 180, 190), // #b4b4be - Secondary text
            fg_dim: Color::Rgb(120, 120, 130),       // #787882 - Dim text

            accent: Color::Rgb(255, 107, 53),        // #FF6B35 - Arc Orange
            success: Color::Rgb(80, 200, 120),       // #50C878 - Emerald green
            warning: Color::Rgb(255, 179, 71),       // #FFB347 - Warm orange
            error: Color::Rgb(255, 82, 82),          // #FF5252 - Red
            info: Color::Rgb(100, 181, 246),         // #64B5F6 - Blue

            border: Color::Rgb(60, 60, 65),          // #3c3c41
            border_focused: Color::Rgb(255, 107, 53), // #FF6B35 - Arc Orange
            selection: Color::Rgb(80, 50, 35),       // #503223 - Dark orange
        }
    }

    /// Arc Academy Green theme
    pub fn arc_academy_green() -> Self {
        Self {
            name: "Arc Academy Green".to_string(),

            // Dark background with green accents
            bg_primary: Color::Rgb(16, 20, 18),      // #101412 - Very dark green tint
            bg_secondary: Color::Rgb(22, 27, 24),    // #161b18 - Dark green tint
            bg_tertiary: Color::Rgb(28, 34, 30),     // #1c221e - Lighter dark green

            fg_primary: Color::Rgb(230, 240, 235),   // #e6f0eb - Bright text with green tint
            fg_secondary: Color::Rgb(180, 200, 190), // #b4c8be - Secondary text
            fg_dim: Color::Rgb(120, 140, 130),       // #788c82 - Dim text

            accent: Color::Rgb(76, 175, 80),         // #4CAF50 - Arc Green
            success: Color::Rgb(102, 187, 106),      // #66BB6A - Success green
            warning: Color::Rgb(255, 193, 7),        // #FFC107 - Amber
            error: Color::Rgb(244, 67, 54),          // #F44336 - Red
            info: Color::Rgb(41, 182, 246),          // #29B6F6 - Cyan

            border: Color::Rgb(50, 65, 55),          // #324137
            border_focused: Color::Rgb(76, 175, 80), // #4CAF50 - Arc Green
            selection: Color::Rgb(30, 50, 35),       // #1e3223 - Dark green
        }
    }

    /// Arc Dark theme (Catppuccin inspired - fallback)
    pub fn arc_dark() -> Self {
        Self {
            name: "Arc Dark".to_string(),

            // Catppuccin Mocha inspired
            bg_primary: Color::Rgb(30, 30, 46),      // #1e1e2e
            bg_secondary: Color::Rgb(24, 24, 37),    // #181825
            bg_tertiary: Color::Rgb(17, 17, 27),     // #11111b

            fg_primary: Color::Rgb(205, 214, 244),   // #cdd6f4
            fg_secondary: Color::Rgb(186, 194, 222), // #bac2de
            fg_dim: Color::Rgb(108, 112, 134),       // #6c7086

            accent: Color::Rgb(137, 180, 250),       // #89b4fa (blue)
            success: Color::Rgb(166, 227, 161),      // #a6e3a1 (green)
            warning: Color::Rgb(249, 226, 175),      // #f9e2af (yellow)
            error: Color::Rgb(243, 139, 168),        // #f38ba8 (red)
            info: Color::Rgb(148, 226, 213),         // #94e2d5 (teal)

            border: Color::Rgb(108, 112, 134),       // #6c7086
            border_focused: Color::Rgb(137, 180, 250), // #89b4fa
            selection: Color::Rgb(88, 91, 112),      // #585b70
        }
    }

    /// Arc Light theme
    pub fn arc_light() -> Self {
        Self {
            name: "Arc Light".to_string(),

            bg_primary: Color::Rgb(239, 241, 245),   // #eff1f5
            bg_secondary: Color::Rgb(230, 233, 239), // #e6e9ef
            bg_tertiary: Color::Rgb(220, 224, 232),  // #dce0e8

            fg_primary: Color::Rgb(76, 79, 105),     // #4c4f69
            fg_secondary: Color::Rgb(92, 95, 119),   // #5c5f77
            fg_dim: Color::Rgb(156, 160, 176),       // #9ca0b0

            accent: Color::Rgb(30, 102, 245),        // #1e66f5
            success: Color::Rgb(64, 160, 43),        // #40a02b
            warning: Color::Rgb(223, 142, 29),       // #df8e1d
            error: Color::Rgb(210, 15, 57),          // #d20f39
            info: Color::Rgb(4, 165, 229),           // #04a5e5

            border: Color::Rgb(156, 160, 176),       // #9ca0b0
            border_focused: Color::Rgb(30, 102, 245), // #1e66f5
            selection: Color::Rgb(204, 208, 218),    // #ccd0da
        }
    }

    /// Get a style for normal text
    pub fn style_normal(&self) -> Style {
        Style::default().fg(self.fg_primary).bg(self.bg_primary)
    }

    /// Get a style for secondary text
    pub fn style_secondary(&self) -> Style {
        Style::default().fg(self.fg_secondary).bg(self.bg_primary)
    }

    /// Get a style for dim text
    pub fn style_dim(&self) -> Style {
        Style::default().fg(self.fg_dim).bg(self.bg_primary)
    }

    /// Get a style for headers
    pub fn style_header(&self) -> Style {
        Style::default()
            .fg(self.fg_primary)
            .bg(self.bg_secondary)
            .add_modifier(Modifier::BOLD)
    }

    /// Get a style for focused borders
    pub fn style_border_focused(&self) -> Style {
        Style::default().fg(self.border_focused)
    }

    /// Get a style for unfocused borders
    pub fn style_border(&self) -> Style {
        Style::default().fg(self.border)
    }

    /// Get a style for accent text
    pub fn style_accent(&self) -> Style {
        Style::default().fg(self.accent).add_modifier(Modifier::BOLD)
    }

    /// Get a style for success messages
    pub fn style_success(&self) -> Style {
        Style::default().fg(self.success)
    }

    /// Get a style for warnings
    pub fn style_warning(&self) -> Style {
        Style::default().fg(self.warning).add_modifier(Modifier::BOLD)
    }

    /// Get a style for errors
    pub fn style_error(&self) -> Style {
        Style::default().fg(self.error).add_modifier(Modifier::BOLD)
    }

    /// Get a style for info messages
    pub fn style_info(&self) -> Style {
        Style::default().fg(self.info)
    }

    /// Get a style for selections
    pub fn style_selection(&self) -> Style {
        Style::default()
            .bg(self.selection)
            .fg(self.fg_primary)
    }

    /// Get a style for panel/block backgrounds
    /// This ensures panels have the correct background color (important for light themes)
    pub fn style_block(&self) -> Style {
        Style::default().bg(self.bg_primary).fg(self.fg_primary)
    }
}

impl Default for Theme {
    fn default() -> Self {
        Self::arc_academy_orange()
    }
}

impl Theme {
    /// Cycle to the next theme
    pub fn cycle_next(&self) -> Self {
        match self.name.as_str() {
            "Arc Academy Orange" => Self::arc_academy_green(),
            "Arc Academy Green" => Self::arc_dark(),
            "Arc Dark" => Self::arc_light(),
            _ => Self::arc_academy_orange(),
        }
    }

    /// Get theme by name
    pub fn from_name(name: &str) -> Self {
        match name {
            "Arc Academy Orange" => Self::arc_academy_orange(),
            "Arc Academy Green" => Self::arc_academy_green(),
            "Arc Dark" => Self::arc_dark(),
            "Arc Light" => Self::arc_light(),
            _ => {
                tracing::warn!("Unknown theme '{}', using default", name);
                Self::default()
            }
        }
    }
}