{ lib, config, pkgs, ... }:

with lib;
let
  cfg = config.modules.software.system.wezterm;
in {
  options.modules.software.system.wezterm = {
    enable = mkEnableOption "Enable wezterm, a blazingly fast terminal emulator";
    package = mkOption {
      type = types.package;
      default = pkgs.wezterm;
    };
  };

  config = mkIf cfg.enable {
    environment.variables.TERM = "wezterm";

    hm.programs.wezterm = {
      enable = true;
      package = cfg.package;

      extraConfig = let
        fonts = config.modules.desktop.fonts.fonts;
      in ''
        local wezterm = require 'wezterm'
        local act = wezterm.action

        local config = {}

        config.front_end = "WebGpu"
        config.font = wezterm.font '${fonts.monospaceBitmap.family}'
        config.font_size = ${toString fonts.monospaceBitmap.size}
        config.freetype_load_flags = 'MONOCHROME'
        config.enable_wayland = false
        config.use_fancy_tab_bar = false
        config.use_resize_increments = true
        config.initial_cols = 120
        config.initial_rows = 40
        config.window_background_opacity = 0.8
        ${config.modules.desktop.themes.wezterm or ""}

        config.window_frame = {
          font = wezterm.font '${fonts.sansSerif.family}',
          font_size = ${toString fonts.sansSerif.size}
        }

        config.mouse_bindings = {
          -- Change the default click behavior so that it only selects
          -- text and doesn't open hyperlinks
          {
            event = { Up = { streak = 1, button = 'Left' } },
            mods = 'NONE',
            action = act.CompleteSelection 'ClipboardAndPrimarySelection'
          },
          -- and make CTRL-Click open hyperlinks
          {
            event = { Up = { streak = 1, button = 'Left' } },
            mods = 'CTRL',
            action = act.OpenLinkAtMouseCursor
          },
          -- Disable the 'Down' event of CTRL-Click to avoid weird program behaviors
          -- https://wezfurlong.org/wezterm/config/mouse.html#gotcha-on-binding-an-up-event-only
          {
            event = { Down = { streak = 1, button = 'Left' } },
            mods = 'CTRL',
            action = act.Nop
          }
        }

        return config
      '';
    };
  };
}