dotfiles/modules/common/applications/wezterm.nix

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

  options = {
    wezterm = {
      enable = lib.mkEnableOption {
        description = "Enable WezTerm terminal.";
        default = false;
      };
    };
  };

  config =
    let
      font = config.home-manager.users.${config.user}.programs.kitty.font.name;
    in
    lib.mkIf (config.gui.enable && config.wezterm.enable) {

      # Set the Rofi-Systemd terminal for viewing logs
      # Using optionalAttrs because only available in NixOS
      environment =
        { }
        // lib.attrsets.optionalAttrs (builtins.hasAttr "sessionVariables" config.environment) {
          sessionVariables.ROFI_SYSTEMD_TERM = "${pkgs.wezterm}/bin/wezterm";
        };

      home-manager.users.${config.user} = {

        # Set the i3 terminal
        xsession.windowManager.i3.config.terminal = lib.mkIf pkgs.stdenv.isLinux "wezterm";

        # Set the Rofi terminal for running programs
        programs.rofi.terminal = lib.mkIf pkgs.stdenv.isLinux "${pkgs.wezterm}/bin/wezterm";

        # Display images in the terminal
        programs.fish.shellAliases = {
          icat = lib.mkForce "wezterm imgcat";
        };

        programs.wezterm = {
          enable = true;
          colorSchemes = {
            myTheme = {
              background = config.theme.colors.base00;
              foreground = config.theme.colors.base05;
              cursor_bg = config.theme.colors.base05;
              cursor_fg = config.theme.colors.base00;
              cursor_border = config.theme.colors.base05;
              selection_bg = config.theme.colors.base05;
              selection_fg = config.theme.colors.base00;
              scrollbar_thumb = config.theme.colors.base03;
              ansi = [
                config.theme.colors.base01 # black
                config.theme.colors.base0F # maroon
                config.theme.colors.base0B # green
                config.theme.colors.base0A # olive
                config.theme.colors.base0D # navy
                config.theme.colors.base0E # purple
                config.theme.colors.base0C # teal
                config.theme.colors.base06 # silver
              ];
              brights = [
                config.theme.colors.base03 # grey
                config.theme.colors.base08 # red
                config.theme.colors.base0B # lime
                config.theme.colors.base0A # yellow
                config.theme.colors.base0D # blue
                config.theme.colors.base0E # fuchsia
                config.theme.colors.base0C # aqua
                config.theme.colors.base07 # white
              ];
              compose_cursor = config.theme.colors.base09; # orange
              copy_mode_active_highlight_bg = {
                Color = config.theme.colors.base03;
              };
              copy_mode_active_highlight_fg = {
                Color = config.theme.colors.base07;
              };
              copy_mode_inactive_highlight_bg = {
                Color = config.theme.colors.base02;
              };
              copy_mode_inactive_highlight_fg = {
                Color = config.theme.colors.base06;
              };
              quick_select_label_bg = {
                Color = config.theme.colors.base02;
              };
              quick_select_label_fg = {
                Color = config.theme.colors.base06;
              };
              quick_select_match_bg = {
                Color = config.theme.colors.base03;
              };
              quick_select_match_fg = {
                Color = config.theme.colors.base07;
              };
            };
          };
          extraConfig = ''
            return {
                color_scheme = "myTheme",

                -- Scrollback
                scrollback_lines = 10000,

                -- Window
                window_padding = {
                  left = 10,
                  right = 10,
                  top = 10,
                  bottom = 10,
                },

                font = wezterm.font('${font}', { weight = 'Bold'}),
                font_size = ${if pkgs.stdenv.isLinux then "14.0" else "18.0"},

                -- Tab Bar
                hide_tab_bar_if_only_one_tab = true,
                window_frame = {
                  font = wezterm.font('${font}', { weight = 'Bold'}),
                  font_size = ${if pkgs.stdenv.isLinux then "12.0" else "16.0"},
                },

                colors = {
                  tab_bar = {
                    active_tab = {
                      bg_color = '${config.theme.colors.base00}',
                      fg_color = '${config.theme.colors.base04}',
                    },
                  },
                },

                -- Disable audio
                audible_bell = "Disabled",

                initial_rows = 80,
                initial_cols = 200,

                keys = {
                  -- sends completion string for fish autosuggestions
                  {
                    key = 'Enter',
                    mods = 'SHIFT',
                    action = wezterm.action.SendString '\x1F'
                  },
                  -- ctrl-shift-h was "hide"
                  {
                    key = 'H',
                    mods = 'SHIFT|CTRL',
                    action = wezterm.action.DisableDefaultAssignment
                  },
                  -- alt-enter was "fullscreen"
                  {
                    key = 'Enter',
                    mods = 'ALT',
                    action = wezterm.action.DisableDefaultAssignment
                  },
                  -- make super-f "fullscreen"
                  {
                    key = 'f',
                    mods = 'SUPER',
                    action = wezterm.action.ToggleFullScreen
                  },
                  -- super-t open new tab in new dir
                  {
                    key = 't',
                    mods = 'SUPER',
                    action = wezterm.action.SpawnCommandInNewTab {
                      cwd = wezterm.home_dir,
                    },
                  },
                  -- shift-super-t open new tab in same dir
                  {
                    key = 't',
                    mods = 'SUPER|SHIFT',
                    action = wezterm.action.SpawnTab 'CurrentPaneDomain'
                  },
                  -- project switcher
                  {
                     key = 'P',
                     mods = 'SUPER',
                     action = wezterm.action_callback(function(window, pane)
                       local choices = {}

                       wezterm.log_info "working?"

                       function scandir(directory)
                           local i, t, popen = 0, {}, io.popen
                           local pfile = popen('${pkgs.fd}/bin/fd --search-path "'..directory..'" --type directory --exact-depth 2 | ${pkgs.proximity-sort}/bin/proximity-sort "'..os.getenv("HOME").."/dev/work"..'"')
                           for filename in pfile:lines() do
                               i = i + 1
                               t[i] = filename
                           end
                           pfile:close()
                           return t
                       end

                       for _, v in pairs(scandir(os.getenv("HOME").."/dev")) do
                         table.insert(choices, { label = v })
                       end

                       window:perform_action(
                         wezterm.action.InputSelector {
                           action = wezterm.action_callback(function(window, pane, id, label)
                             if not id and not label then
                               wezterm.log_info "cancelled"
                             else
                               window:perform_action(
                                 wezterm.action.SpawnCommandInNewTab {
                                   cwd = label,
                                 },
                                 pane
                               )
                             end
                           end),
                           fuzzy = true,
                           title = "Select Project",
                           choices = choices,
                         },
                         pane
                       )
                     end),
                  },
                },
            }
          '';
        };
      };
    };
}