{
  pkgs,
  unstable,
  lib,
  config,
  ...
}:
let
  cfg = config.profile.hyprland;
  inherit (lib.meta) getExe;
  wallust = cfg.wallust;
  wallpaperDir = "${config.home.homeDirectory}/.cache/wallpaper";
  initWallPaperScript = pkgs.writeShellScriptBin "init-wallpaper.sh" ''
    init_wallpaper="${./wallpaper.jpeg}"
    cache_file="${wallpaperDir}/current"
    blurred="${wallpaperDir}/blurred.png"
    square="${wallpaperDir}/square.png"

    mkdir -p "${wallpaperDir}"

    if [ ! -f "$cache_file" ]; then
        cp "$init_wallpaper" "$cache_file"
    fi

    if [ ! -f "$blurred" ]; then
        ${pkgs.graphicsmagick}/bin/gm convert -resize 75% -blur 50x30 "$cache_file" "$blurred"
    fi

    if [ ! -f "$square" ]; then
        ${pkgs.imagemagick}/bin/magick "$cache_file" -resize 25% -gravity Center -extent 1:1 "$square"
    fi

    if [ ! -f "${config.home.homeDirectory}/.cache/wallust/sequences" ]; then
        wallust run "$cache_file"
    fi
  '';
in
{
  config = lib.mkIf cfg.enable {
    home.packages = [
      pkgs.imagemagick
      unstable.wallust
    ];

    wayland.windowManager.hyprland.settings.exec-once = lib.mkOrder 10 ([
      (getExe initWallPaperScript)
    ]);

    home.file.".config/wallust/templates" = {
      source = ./wallust-templates;
      recursive = true;
    };

    home.file.".config/wallust/wallust.toml".source = (
      (pkgs.formats.toml { }).generate "wallust.toml" {
        # See https://codeberg.org/explosion-mental/wallust/src/branch/master/wallust.toml
        # for more information about the configuration options.

        # How the image is parse, in order to get the colors:
        # full - resized - wal - thumb -  fastresize - kmeans
        backend = wallust.backend;

        # What color space to use to produce and select the most prominent colors:
        # lab - labmixed - lch - lchmixed
        color_space = wallust.colorSpace;
        threshold = wallust.threshold;

        # Use the most prominent colors in a way that makes sense, a scheme color palette:
        # dark - dark16 - darkcomp - darkcomp16
        # light - light16 - lightcomp - lightcomp16
        # harddark - harddark16 - harddarkcomp - harddarkcomp16
        # softdark - softdark16 - softdarkcomp - softdarkcomp16
        # softlight - softlight16 - softlightcomp - softlightcomp16
        palette = wallust.palette;

        # Ensures a "readable contrast" (OPTIONAL, disabled by default)
        # Should only be enabled when you notice an unreadable contrast frequently happening
        # with your images. The reference color for the contrast is the background color.
        check_contrast = wallust.checkContrast;

        # Color saturation, between [1% and 100%] (OPTIONAL, disabled by default)
        # usually something higher than 50 increases the saturation and below
        # decreases it (on a scheme with strong and vivid colors)
        # saturation = 50;

        # Alpha value for templating, by default 100 (no other use whatsoever)
        alpha = wallust.alpha;

        templates =
          # Templates requires certain syntax
          #
          # See: https://codeberg.org/explosion-mental/wallust/wiki/wallust.1-Man-Page
          # Note that the documentation is for 3.x and above.
          let
            out = config.home.homeDirectory + "/.cache/wallust";
          in
          {
            waybar = {
              template = "waybar.css";
              # target = out + "/waybar.css";
              target = "${config.home.homeDirectory}/.config/waybar/style.css";
            };
            wlogout = {
              template = "wlogout.css";
              target = out + "/wlogout.css";
            };
            hyprland = {
              template = "hyprland.conf";
              target = out + "/hyprland.conf";
            };
            kitty = {
              template = "kitty.conf";
              target = "${config.home.homeDirectory}/.config/kitty/kitty.d/99-colors.conf";
            };
            base16-nvim = {
              template = "base16-nvim.lua";
              target = out + "/base16-nvim.lua";
            };
            rofi = {
              template = "rofi.rasi";
              target = out + "/rofi.rasi";
            };
            alacritty = {
              template = "alacritty.toml";
              target = out + "/alacritty.toml";
            };
            foot = {
              template = "foot.ini";
              target = "${config.home.homeDirectory}/.config/foot/colors.ini";
            };
          };
      }
    );
  };
}