{ config, inputs, pkgs, self, username, ... }:
let
  theme = import "${self}/lib/theme" { inherit pkgs; };

  modifier = "Mod4";
in {
  xsession.windowManager.i3 = {
    enable = true;

    config = {
      assigns = {
        "7" = [{ class = "vlc"; }];
        "8" = [{ class = "0ad"; }];
        "9" = [ { class = "Slack"; } { class = "discord"; } ];
      };

      defaultWorkspace = "workspace number 1";

      focus.followMouse = false;

      modifier = modifier;

      keybindings = inputs.nixpkgs.lib.mkOptionDefault {
        "${modifier}+d" = "exec ${pkgs.rofi}/bin/rofi -show drun";

        "${modifier}+Shift+b" = "exec ${pkgs.firefox}/bin/firefox";
        "${modifier}+Shift+f" = "exec ${pkgs.xfce.thunar}/bin/thunar";

        # Change focus.
        "${modifier}+h" = "focus left";
        "${modifier}+j" = "focus down";
        "${modifier}+k" = "focus up";
        "${modifier}+l" = "focus right";

        # Move focused window.
        "${modifier}+Shift+h" = "move left";
        "${modifier}+Shift+j" = "move down";
        "${modifier}+Shift+k" = "move up";
        "${modifier}+Shift+l" = "move right";

        "${modifier}+Shift+s" = "exec ${pkgs.flameshot}/bin/flameshot gui";
        "${modifier}+Shift+p" = "exec ${pkgs.autorandr}/bin/autorandr --change";
        "${modifier}+Shift+y" = "exec ${pkgs.copyq}/bin/copyq toggle";

        "XF86AudioRaiseVolume" = "exec pamixer -ui 2 && pamixer --get-volume";
        "XF86AudioLowerVolume" = "exec pamixer -ud 2 && pamixer --get-volume";
        "XF86AudioMute" = ''
          exec pamixer --toggle-mute && ( [ "$(pamixer --get-mute)" = "true" ] && echo 0'';

        "XF86MonBrightnessDown" =
          "exec brightnessctl set 5%- | sed -En 's/.*(([0-9]+)%).*/1/p'";
        "XF86MonBrightnessUp" =
          "exec brightnessctl set +5% | sed -En 's/.*(([0-9]+)%).*/1/p'";
      };

      terminal = "alacritty";

      window = {
        border = 0;
        hideEdgeBorders = "none";
      };
    };

    extraConfig = ''
      set $laptop eDP-1
      bindswitch --reload --locked lid:on output $laptop disable
      bindswitch --reload --locked lid:off output $laptop enable

      exec_always --no-startup-id autotiling

      exec --no-startup-id ${pkgs.feh}/bin/feh --randomize --bg-scale /home/${username}/Pictures/Wallpaper/*;

      default_border none
      default_floating_border none
      smart_borders on
      smart_gaps on

      for_window [class="zoom"] floating enable
      # xprop | grep -i class
    '';

    config = {
      bars = [{
        position = "bottom";
        statusCommand = "${pkgs.i3status}/bin/i3status";
      }];

      fonts.names = [ "${theme.fonts.monospace.name}" ];

      gaps = {
        smartBorders = "on";
        smartGaps = true;
      };
    };
  };

  programs.i3status = {
    enable = true;

    general = {
      colors = true;

      color_bad = "#f7768e";
      color_degraded = "#ff9e64";
      color_good = "#c0caf5";
    };

    modules = {
      cpu_temperature.enable = false;
      ipv6.enable = false;
      load.enable = false;
    };
  };

  home.packages = with pkgs; [ autotiling ];
}