{ config, pkgs, lib, ... }: with lib; {
  
  xsession.windowManager.i3 = {
    enable = true;
    package = pkgs.i3-gaps;
    
    config = let
      mod = "Mod4";
    in {
      modifier = mod;
      # revisar luego si config.bars tiene un default danino
      
      fonts = {
        names = [ "JetBrains Mono" ];
        style = "Regular";
        size = 8.0;
      };

      gaps = {
        inner = 10;
        outer = -10;
      };

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

      # mkOptionDefault hace que se ponga la config por default
      # y se sobreescriba las cosas que pongo acA
      # NO QUITARLO. ver man home-configuration.nix
      keybindings = mkOptionDefault {
        "${mod}+Return" = "exec ${pkgs.kitty}/bin/kitty ${pkgs.tmux}/bin/tmux";
        "${mod}+Tab" = "focus right";
        "${mod}+Shift+Tab" = "focus left";
        "${mod}+Shift+s" = "exec ${pkgs.maim}/bin/maim -s -u | ${pkgs.xclip}/bin/xclip -selection clipboard -t image/png -i";
        "${mod}+Shift+w" = "move workspace to output right";
      };
      
      # menu = "${pkgs.dmenu}/bin/dmenu_run"

      startup = [
        {
          command = "${pkgs.xss-lock}/bin/xss-lock --transfer-sleep-lock -- ${pkgs.i3lock}/bin/i3lock --nofork";
          notification = false;
        }
        {
          command = "${pkgs.networkmanagerapplet}/bin/nm-applet";
          notification = false;
        }
        {
          command = "${pkgs.xorg.xrandr}/bin/xrandr --output DisplayPort-0 --primary --mode 1920x1080  --rate 143.85 --pos 0x0 --rotate normal --output DisplayPort-1 --mode 1920x1080 --rate 59.94 --pos 1920x0 --rotate normal --output HDMI-A-0 --off --output HDMI-A-1 --off --output DVI-D-0 --off";
          notification = false;
          always = true;
        }
        {
          command = "${pkgs.i3-gaps}/bin/i3-msg 'workspace $ws1; exec ${pkgs.firefox}/bin/firefox'";
        }
        {
          command = "${pkgs.i3-gaps}/bin/i3-msg 'workspace $ws1; exec ${pkgs.tdesktop}/bin/telegram-desktop'";
        }
        {
          command = "${pkgs.i3-gaps}/bin/i3-msg 'workspace $ws1; exec ${pkgs.signal-desktop}/bin/signal-desktop'";
        }
      ];

      workspaceOutputAssign = [
        {
          output = "DisplayPort-0";
          workspace = "$ws1";
        }
        {
          output = "DisplayPort-1";
          workspace = "$ws10";
        }
      ];
      
      bars = [  ];
    };
  };
}