{ lib, config, pkgs, flakeRoot, home-manager, inputs, ... }:
let
  username = config.defaultUser or "henrov";
  homeDir  = "/home/${username}";
  wallpaperDst = "${homeDir}/Wallpapers";

in
{
  environment.systemPackages = with pkgs; [
    swww      # For setting wallpapers
    waypaper  # Optional, if you use it
    jq        # Needed by the script
  ];

  # Copy Wallpapers from flake root to user's home
  systemd.user.services.copyWallpapers = {
    description = "Copy Wallpapers to home";
    after = [ "network.target" ];
    serviceConfig.Type = "oneshot";
    serviceConfig.ExecStart = ''
      mkdir -p ${wallpaperDst}
      cp -r ${flakeRoot}/assets/traveldroid/Wallpapers/* ${wallpaperDst}/
      chown -R ${username}:${username} ${wallpaperDst}
    '';
    install.wantedBy = [ "default.target" ];
  };

  # Place the script in the user's home
  home.file.".config/wallpapers/set-wallpapers-per-workspace.sh".text = ''
    #!/usr/bin/env bash
    WALLS=("${wallpaperDst}"/*)
    NUM_WALLS=${#WALLS[@]}
    WS_IDS=($(hyprctl workspaces -j | jq -r '.[].id'))

    for i in "${!WS_IDS[@]}"; do
      WALL="${WALLS[$((i % NUM_WALLS))]}"
      swww img "$WALL" --workspace "${WS_IDS[$i]}" --transition-type fade slide blend
    done
  '';
}