/// Terminal configuration — matches Ghostty key options where relevant.
#[derive(Clone, Debug)]
pub struct Config {
    pub cols: usize,
    pub rows: usize,
    pub scrollback_limit: usize,
    pub font_family: String,
    pub font_size: f32,
    pub font_thicken: bool,
    pub font_thicken_strength: f32,
    pub font_feature: Vec<String>,
    pub font_variation: Vec<(String, f32)>,
    pub adjust_cell_height: Option<f32>,
    pub adjust_cell_width: Option<f32>,
    pub adjust_font_baseline: Option<f32>,
    pub cursor_style: CursorStyle,
    pub cursor_blink: bool,
    pub foreground_color: u32,
    pub background_color: u32,
    pub selection_color: u32,
    pub mouse_scroll_multiplier: f32,
    pub repaint_delay_ms: u32,
    pub input_delay_ms: u32,
    pub vsync: bool,
    pub opacity: f32,
}

impl Default for Config {
    fn default() -> Self {
        Self {
            cols: 80,
            rows: 24,
            scrollback_limit: 100_000,
            font_family: "Iosevka Extended".to_string(),
            font_size: 13.0,
            font_thicken: false,
            font_thicken_strength: 0.5,
            font_feature: Vec::new(),
            font_variation: Vec::new(),
            adjust_cell_height: None,
            adjust_cell_width: None,
            adjust_font_baseline: None,
            cursor_style: CursorStyle::Block,
            cursor_blink: true,
            foreground_color: 0xFF_E5E5E5,
            background_color: 0xFF_000000,
            selection_color: 0xFF_264F78,
            mouse_scroll_multiplier: 1.0,
            repaint_delay_ms: 0,
            input_delay_ms: 0,
            vsync: false,
            opacity: 1.0,
        }
    }
}

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum CursorStyle {
    Block,
    Beam,
    Underline,
}