{ lib, config, pkgs, ... }: 
let
  #Bookmark: javascript:(function(){window.location.href='mpv://'+encodeURIComponent(window.location.href);})();
  mpvHandler = pkgs.writeShellScriptBin "mpv-handler" ''
    #!/bin/bash
    exec 2>> /tmp/mpv-handler-debug.log
    set -x
    RAW_URL="$1"
    STRIPPED_URL="''${RAW_URL:6}"
    URL=$(printf '%b' "''${STRIPPED_URL//%/\\x}")
    exec ${config.programs.mpv.finalPackage}/bin/mpv "$URL"
  '';
in
{
  config = lib.mkIf (config.usercfg.wm == "Wayland") {

    home.packages = with pkgs; [
      wayland

      slurp
      swappy

      wlr-randr
      wdisplays
      kanshi

      glib
    ];


    xdg.desktopEntries."mpv-handler" = {
      name = "MPV Scheme Handler";
      exec = "${mpvHandler}/bin/mpv-handler %u";
      terminal = false;
      mimeType = [ "x-scheme-handler/mpv" ];
    };

    xdg.mimeApps = {
      enable = true;
      defaultApplications = {
        # --- System & Directories ---
        "inode/directory" = [ "thunar.desktop" ];
        "x-scheme-handler/file" = [ "thunar.desktop" ];

        # --- Web & Browsing ---
        "x-scheme-handler/unknown" = [ "firefox.desktop" ];
        "x-scheme-handler/http" = [ "firefox.desktop" ];
        "x-scheme-handler/https" = [ "firefox.desktop" ];
        "x-scheme-handler/chrome" = [ "firefox.desktop" ];
        "text/html" = [ "firefox.desktop" ];
        "application/x-extension-htm" = [ "firefox.desktop" ];
        "application/x-extension-html" = [ "firefox.desktop" ];
        "application/x-extension-shtml" = [ "firefox.desktop" ];
        "application/xhtml+xml" = [ "firefox.desktop" ];
        "application/x-extension-xhtml" = [ "firefox.desktop" ];
        "application/x-extension-xht" = [ "firefox.desktop" ];

        # --- Chat & Social Protocol Schemes ---
        "x-scheme-handler/tg" = [ "org.telegram.desktop.desktop" ];
        "x-scheme-handler/tonsite" = [ "org.telegram.desktop.desktop" ];
        "x-scheme-handler/discord-409416265891971072" = [ "discord-409416265891971072.desktop" ];
        "x-scheme-handler/discord-402572971681644545" = [ "discord-402572971681644545.desktop" ];
        "x-scheme-handler/discord-696343075731144724" = [ "discord-696343075731144724.desktop" ];

        # --- Documents & Source Code (VSCodium) ---
        "application/pdf" = [ "org.pwmt.zathura-pdf-mupdf.desktop" ];
        "text/plain" = [ "vscodium.desktop" ];
        "text/markdown" = [ "vscodium.desktop" ];
        "text/xml" = [ "vscodium.desktop" ];
        "text/csv" = [ "vscodium.desktop" ];
        "text/css" = [ "vscodium.desktop" ];
        "application/xml" = [ "vscodium.desktop" ];
        "application/json" = [ "vscodium.desktop" ];
        "application/toml" = [ "vscodium.desktop" ];
        "application/yaml" = [ "vscodium.desktop" ];
        "application/javascript" = [ "vscodium.desktop" ];
        "application/x-shellscript" = [ "vscodium.desktop" ];

        # --- Video & Audio (MPV) ---
        "x-scheme-handler/mpv" = [ "mpv-handler.desktop" ];
        "video/mp4" = [ "mpv.desktop" ];
        "video/mkv" = [ "mpv.desktop" ];
        "video/webm" = [ "mpv.desktop" ];
        "video/x-matroska" = [ "mpv.desktop" ];
        "video/quicktime" = [ "mpv.desktop" ];
        "video/x-msvideo" = [ "mpv.desktop" ];
        "video/x-flv" = [ "mpv.desktop" ];
        "video/3gpp" = [ "mpv.desktop" ];
        "audio/mp3" = [ "mpv.desktop" ];
        "audio/mpeg" = [ "mpv.desktop" ];
        "audio/ogg" = [ "mpv.desktop" ];
        "audio/wav" = [ "mpv.desktop" ];
        "audio/x-wav" = [ "mpv.desktop" ];
        "audio/flac" = [ "mpv.desktop" ];
        "audio/x-flac" = [ "mpv.desktop" ];
        "audio/mp4" = [ "mpv.desktop" ];
        "audio/aac" = [ "mpv.desktop" ];
        "audio/x-matroska-audio" = [ "mpv.desktop" ];
        "audio/x-mpegurl" = [ "mpv.desktop" ];
        "audio/mpegurl" = [ "mpv.desktop" ];

        # --- Images (IMV) ---
        "image/png" = [ "imv-dir.desktop" ];
        "image/jpg" = [ "imv-dir.desktop" ];
        "image/jpeg" = [ "imv-dir.desktop" ];
        "image/webp" = [ "imv-dir.desktop" ];
        "image/gif" = [ "imv-dir.desktop" ];
        "image/svg+xml" = [ "imv-dir.desktop" ];
        "image/x-canon-cr2" = [ "imv-dir.desktop" ];
        "image/bmp" = [ "imv-dir.desktop" ];
        "image/tiff" = [ "imv-dir.desktop" ];
        "image/heic" = [ "imv-dir.desktop" ];
        "image/avif" = [ "imv-dir.desktop" ];

        # --- Archives (Engrampa) ---
        "application/zip" = [ "engrampa.desktop" ];
        "application/x-tar" = [ "engrampa.desktop" ];
        "application/x-gzip" = [ "engrampa.desktop" ];
        "application/x-bzip2" = [ "engrampa.desktop" ];
        "application/x-7z-compressed" = [ "engrampa.desktop" ];
        "application/x-rar" = [ "engrampa.desktop" ];
      };

      associations = {
        removed = {
          "application/pdf" = [ "krita_pdf.desktop" ];
          "application/zip" = [ "org.prismlauncher.PrismLauncher.desktop" ];
        };
      };
    };
  };
}