{ pkgs, ... }:

let
  palette = import ./palette.nix;
in
{
  programs.kitty = {
    enable = true;
    font = {
      name = "FiraCode Nerd Font";
      size = 12;
    };
    settings = {
      enabled_layouts = "tall:bias=50;full_size=1;mirrored=false,fat,grid,stack";
      scrollback_lines = 10000;
      enable_audio_bell = false;
      update_check_interval = 0;
      shell_integration = "enabled";

      # Performance
      repaint_delay = 10;
      input_delay = 3;
      sync_to_monitor = "yes";

      # Window layout
      window_padding_width = 10;
      confirm_os_window_close = 0;
      background_opacity = "0.85";
      dynamic_background_opacity = "yes";

      # Tabs (colors live in colors.conf so `qs-theme` can override them)
      tab_bar_style = "powerline";
    };
    keybindings = {
      "ctrl+shift+c" = "copy_to_clipboard";
      "ctrl+shift+v" = "paste_from_clipboard";
      "ctrl+shift+enter" = "new_window";
      "ctrl+shift+]" = "next_window";
      "ctrl+shift+[" = "previous_window";
      "ctrl+shift+l" = "next_layout";
    };

    # Colors live in an include so a wallpaper-driven palette (`qs-theme`,
    # via matugen) can overwrite them without touching the rest of kitty.conf.
    extraConfig = "include colors.conf";
  };

  xdg.configFile."kitty/colors.conf".text = ''
    # Color palette (Tokyo Night inspired) — declared in home-manager.
    # Regenerated by `~/.local/bin/qs-theme <wallpaper>` (matugen) at runtime.
    background ${palette.hash palette.bgDark}
    foreground ${palette.hash palette.muted}
    selection_background ${palette.hash palette.selection}
    selection_foreground ${palette.hash palette.text}
    url_color ${palette.hash palette.teal}
    cursor ${palette.hash palette.text}
    cursor_text_color ${palette.hash palette.bgDark}

    active_tab_background ${palette.hash palette.blue}
    active_tab_foreground ${palette.hash palette.tabFgBright}
    inactive_tab_background ${palette.hash palette.tabBg}
    inactive_tab_foreground ${palette.hash palette.tabFg}

    # ANSI 16
    color0 ${palette.hash palette.color0}
    color1 ${palette.hash palette.danger}
    color2 ${palette.hash palette.green}
    color3 ${palette.hash palette.yellow}
    color4 ${palette.hash palette.blue}
    color5 ${palette.hash palette.purple}
    color6 ${palette.hash palette.cyan}
    color7 ${palette.hash palette.muted}
    color8 ${palette.hash palette.color8}
    color9 ${palette.hash palette.danger}
    color10 ${palette.hash palette.green}
    color11 ${palette.hash palette.yellow}
    color12 ${palette.hash palette.blue}
    color13 ${palette.hash palette.purple}
    color14 ${palette.hash palette.cyan}
    color15 ${palette.hash palette.text}
  '';
}