{
  pkgs,
  lib,
  ...
}: let
  vars = import ./variables.nix;
  mod = "Mod4";

  lock-screen = pkgs.writeShellScriptBin "lock-screen" ''
    #!/usr/bin/env sh
    set -eu
    WALL="''${1:-$HOME/Pictures/wallpaper.png}"
    TMP="/tmp/lockscreen.png"
    RES=$(xrandr | awk '/\*/ {print $1; exit}')
    magick "$WALL" -resize "''${RES}^" -gravity center -extent "$RES" "$TMP"
    i3lock -i "$TMP"
  '';

  app-launcher = pkgs.writeShellScriptBin "app-launcher" ''
    #!/usr/bin/env sh
    BG='${vars.colors.background}'
    FG='${vars.colors.foreground}'
    ACCENT='${vars.colors.accent}'
    TEXT='${vars.colors.text}'
    dmenu_run -fn 'JetBrains Mono-12' -nb "$BG" -nf "$FG" -sb "$ACCENT" -sf "$TEXT"
  '';
in {
  xsession.windowManager.i3 = {
    enable = true;
    config = {
      modifier = mod;
      bars = [];

      window = {
        titlebar = false;
        border = 3;
      };

      # Colors handled by Stylix

      startup = [
        {command = "sh -c 'feh --bg-scale ~/Pictures/wallpaper.png'";}
      ];

      keybindings = lib.mkOptionDefault {
        "${mod}+Return" = "exec ${pkgs.alacritty}/bin/alacritty";
        "${mod}+d" = "exec ${app-launcher}/bin/app-launcher";
        "${mod}+m" = "exec ${app-launcher}/bin/app-launcher";
        "${mod}+Shift+m" = "exec alacritty -e nnn";
        "${mod}+n" = "exec firefox";
        "${mod}+q" = "kill";
        "${mod}+Ctrl+l" = "exec ${lock-screen}/bin/lock-screen";
        "${mod}+Shift+r" = "restart";
        "${mod}+Ctrl+Shift+e" = "exec sh -c 'i3-msg exit'";
        "${mod}+Shift+s" = "exec flameshot gui";

        # Focus (vim bindings)
        "${mod}+h" = "focus left";
        "${mod}+j" = "focus down";
        "${mod}+k" = "focus up";
        "${mod}+l" = "focus right";

        # Focus (arrow keys)
        "${mod}+Left" = "focus left";
        "${mod}+Down" = "focus down";
        "${mod}+Up" = "focus up";
        "${mod}+Right" = "focus right";

        # Move (vim bindings)
        "${mod}+Shift+h" = "move left";
        "${mod}+Shift+j" = "move down";
        "${mod}+Shift+k" = "move up";
        "${mod}+Shift+l" = "move right";

        # Move (arrow keys)
        "${mod}+Shift+Left" = "move left";
        "${mod}+Shift+Down" = "move down";
        "${mod}+Shift+Up" = "move up";
        "${mod}+Shift+Right" = "move right";

        # Volume
        "XF86AudioRaiseVolume" = "exec wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%+";
        "XF86AudioLowerVolume" = "exec wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%-";
        "XF86AudioMute" = "exec wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle";
        "XF86AudioMicMute" = "exec wpctl set-mute @DEFAULT_AUDIO_SOURCE@ toggle";

        # Brightness
        "XF86MonBrightnessUp" = "exec brightnessctl set 5%+";
        "XF86MonBrightnessDown" = "exec brightnessctl set 5%-";
      };
    };

    extraConfig = ''
      smart_borders on
    '';
  };

  home.packages = with pkgs; [
    dmenu
    i3lock
    imagemagick
    polybar
    alacritty
    feh
    nnn
  ];
}