lux/modules/capabilities/terminal.nix

{ lib, config, ... }:
let
  repo = config.repo;

  kittySingleInstance =
    pkgs:
    pkgs.symlinkJoin {
      name = "kitty-single";
      paths = [ pkgs.kitty ];
      meta = pkgs.kitty.meta;
      buildInputs = [ pkgs.makeWrapper ];
      postBuild = ''
        # Wrap the binary to always launch as a single instance
        wrapProgram $out/bin/kitty --add-flags "-1"

        # Patch the .desktop file for strict app launchers like Vicinae
        rm $out/share/applications/kitty.desktop
        sed 's/Exec=kitty/Exec=kitty -1/g' ${pkgs.kitty}/share/applications/kitty.desktop > $out/share/applications/kitty.desktop
      '';
    };

  mkTerminal =
    {
      desktopEntryName,
      packageFor,
      terminalModule,
    }:
    { config, pkgs, ... }:
    let
      package = packageFor pkgs;
    in
    {
      imports = [ terminalModule ];

      config = {
        meta.desktop.terminal = {
          inherit desktopEntryName package;
        };

        xdg.terminal-exec = {
          enable = true;
          settings.default = [ config.meta.desktop.terminal.desktopId ];
        };
      };
    };
in
{
  flake.modules.homeManager.terminal-foot =
    {
      lib,
      pkgs,
      ...
    }:
    let
      repoTheme = repo.theme.kanagawa;
      palette = repoTheme.palette;
      hex = lib.removePrefix "#";
    in
    {
      programs.foot = {
        enable = true;
        package = pkgs.foot;
        settings = {
          main = {
            font = "JetBrains Mono:style=Medium:size=11:fontfeatures=-liga:fontfeatures=-calt";
            font-bold = "JetBrains Mono:style=Bold:size=11:fontfeatures=-liga:fontfeatures=-calt";
            font-italic = "JetBrains Mono:style=Medium Italic:size=11:fontfeatures=-liga:fontfeatures=-calt";
            font-bold-italic = "JetBrains Mono:style=Bold Italic:size=11:fontfeatures=-liga:fontfeatures=-calt";
            gamma-correct-blending = "yes";
            pad = "3x3";
            # vertical-letter-offset = -1;
            # letter-spacing = -0.2;
          };

          tweak.box-drawing-base-thickness = 0.1;

          bell.system = "no";

          scrollback.lines = 10000;

          text-bindings."\\x0a" = "Shift+Return Shift+KP_Enter";

          colors-dark = {
            background = hex palette.background;
            foreground = hex palette.foreground;
            selection-background = hex palette.selectionBackground;
            selection-foreground = hex palette.selectionForeground;
            urls = hex palette.url;
            cursor = "${hex palette.background} ${hex palette.cursor}";

            regular0 = hex palette.terminal.color0;
            regular1 = hex palette.terminal.color1;
            regular2 = hex palette.terminal.color2;
            regular3 = hex palette.terminal.color3;
            regular4 = hex palette.terminal.color4;
            regular5 = hex palette.terminal.color5;
            regular6 = hex palette.terminal.color6;
            regular7 = hex palette.terminal.color7;

            bright0 = hex palette.terminal.color8;
            bright1 = hex palette.terminal.color9;
            bright2 = hex palette.terminal.color10;
            bright3 = hex palette.terminal.color11;
            bright4 = hex palette.terminal.color12;
            bright5 = hex palette.terminal.color13;
            bright6 = hex palette.terminal.color14;
            bright7 = hex palette.terminal.color15;

            "16" = hex palette.terminal.color16;
            "17" = hex palette.terminal.color17;
          };
        };
      };
    };

  flake.modules.homeManager.terminal-kitty =
    { pkgs, ... }:
    let
      repoTheme = repo.theme.kanagawa;
      palette = repoTheme.palette;
    in
    {
      programs.kitty = {
        enable = true;
        package = kittySingleInstance pkgs;
        font = {
          name = "JetBrains Mono";
          size = 11;
        };
        settings = {
          disable_ligatures = "always";
          scrollback_lines = 10000;
          enable_audio_bell = false;
          confirm_os_window_close = 0;
          window_padding_width = 3;
          update_check_interval = 0;
        };
        keybindings."shift+enter" = "send_text all \\x0a";
        extraConfig = ''
          ## name: ${repoTheme.displayName}
          ## license: MIT
          ## author: Tommaso Laurenzi
          ## upstream: https://github.com/rebelot/kanagawa.nvim/

          background ${palette.background}
          foreground ${palette.foreground}
          selection_background ${palette.selectionBackground}
          selection_foreground ${palette.selectionForeground}
          url_color ${palette.url}
          cursor ${palette.cursor}

          active_tab_background ${palette.background}
          active_tab_foreground ${palette.selectionForeground}
          inactive_tab_background ${palette.background}
          inactive_tab_foreground ${palette.muted}

          color0 ${palette.terminal.color0}
          color1 ${palette.terminal.color1}
          color2 ${palette.terminal.color2}
          color3 ${palette.terminal.color3}
          color4 ${palette.terminal.color4}
          color5 ${palette.terminal.color5}
          color6 ${palette.terminal.color6}
          color7 ${palette.terminal.color7}

          color8 ${palette.terminal.color8}
          color9 ${palette.terminal.color9}
          color10 ${palette.terminal.color10}
          color11 ${palette.terminal.color11}
          color12 ${palette.terminal.color12}
          color13 ${palette.terminal.color13}
          color14 ${palette.terminal.color14}
          color15 ${palette.terminal.color15}

          color16 ${palette.terminal.color16}
          color17 ${palette.terminal.color17}
        '';
      };
      systemd.user.services.kitty-daemon = {
        Unit = {
          Description = "Kitty Terminal Daemon";
          PartOf = [ "graphical-session.target" ];
          After = [ "graphical-session.target" ];
        };
        Install = {
          WantedBy = [ "graphical-session.target" ];
        };
        Service = {
          # Use the wrapped package (which already includes -1)
          # Start it hidden and run an infinite dummy process so the instance stays alive
          ExecStart = "${lib.getExe (kittySingleInstance pkgs)} --start-as=hidden ${pkgs.coreutils}/bin/tail -f /dev/null";
          Restart = "on-failure";
        };
      };
    };

  flake.modules.homeManager.primary-terminal-foot = mkTerminal {
    desktopEntryName = "foot";
    packageFor = pkgs: pkgs.foot;
    terminalModule = config.flake.modules.homeManager.terminal-foot;
  };

  flake.modules.homeManager.primary-terminal-kitty = mkTerminal {
    desktopEntryName = "kitty";
    packageFor = pkgs: kittySingleInstance pkgs;
    terminalModule = config.flake.modules.homeManager.terminal-kitty;
  };
}