flake/modules/home/desktop/i3.nix

{ pkgs, lib, config, osConfig, ... }: {
  options.mods.i3.enable = lib.mkEnableOption "enables i3";

  config = lib.mkIf config.mods.i3.enable {
    services.unclutter.enable = true;
    programs.rofi.enable = true;

    programs.i3status-rust = {
      enable = true;
      bars.default = {
        settings.theme.overrides = with config.lib.stylix.colors.withHashtag; {
          idle_bg = base00;
          idle_fg = base05;
          separator = "";
        };
        icons = "awesome5";
        blocks = [{
          block = "sound";
          format = " $icon $volume ";
          click = [{
            button = "left";
            cmd = "pavucontrol";
          }];
        } {
            block = "time";
            format = "$icon $timestamp.datetime(f:'%Y-%m-%d %a %H:%M:%S') ";
            interval = 1;
        }];
      };
    };

    xsession.windowManager.i3 = let
      modifier = "Mod4";
      wsAmount = 10;
      genSpaces = f: map builtins.toString (
        builtins.genList f wsAmount
      );
      workspaces = genSpaces (x: x+1);
    
    in {
      enable = true;
      config = {
        modifier = modifier;
        terminal = "alacritty";
        menu = "rofi -show drun";

        window = {
          titlebar = false;
          hideEdgeBorders = "smart";
        };

        defaultWorkspace = "workspace number 1";
        workspaceAutoBackAndForth = true;
        focus.wrapping = "yes";

        keybindings = let
          # modKeyComb: string -> valueAction: string
          # -> keys: [string] -> values: [string]
          # -> keybindings: attrSet { string -> string }
          zipBinds = comb: action: keys: values: (
            builtins.listToAttrs (lib.zipListsWith (k: v: {
              name = "${modifier}${comb}${k}";
              value = "${action} ${v}";
            }) keys values)
          );

          moveKeys = ["h" "j" "k" "l"];
          moveDirs = ["left" "down" "up" "right"];

          workspKeys = genSpaces (x: lib.mod (x+1) wsAmount);

        in lib.mkOptionDefault (
          (zipBinds "+" "focus" moveKeys moveDirs) //
          (zipBinds "+Shift+" "move" moveKeys moveDirs) //
          (zipBinds "+" "workspace number" workspKeys workspaces) //
          (zipBinds "+Shift+" "move container to workspace number"
            workspKeys workspaces) //
          {
            "XF86AudioRaiseVolume" = 
              "exec --no-startup-id pactl set-sink-volume 0 +2%";
            "XF86AudioLowerVolume" = 
              "exec --no-startup-id pactl set-sink-volume 0 -2%";
          }
        );

        bars = let
          status_conf = 
            "${config.xdg.configHome}/i3status-rust/config-default.toml";
          stylix_bar = {
            mode = "dock";
            hiddenState = "hide";
            position = "bottom";
            statusCommand = "${lib.getExe pkgs.i3status-rust} ${status_conf}";
            command = "${pkgs.i3}/bin/i3bar";
            workspaceButtons = true;
            workspaceNumbers = true;
            trayOutput = "primary";
          } // config.lib.stylix.i3.bar;
        in [
          stylix_bar
        ];
      };
    };
  };
}