{ pkgs, ... }:

{
  # Install OpenLP from official flatpak bundle
  # Update the version in the URL when new releases are available
  systemd.services.openlp-flatpak-install = {
    description = "Install OpenLP from official flatpak bundle";
    wantedBy = [ "multi-user.target" ];
    after = [ "network-online.target" ];
    wants = [ "network-online.target" ];

    serviceConfig = {
      Type = "oneshot";
      RemainAfterExit = true;
      ExecStart = pkgs.writeShellScript "install-openlp" ''
        set -e

        OPENLP_VERSION="3.1.7"
        OPENLP_URL="https://get.openlp.org/$OPENLP_VERSION/openlp-$OPENLP_VERSION-1.flatpak"
        OPENLP_ID="org.openlp.OpenLP"

        # Check if already installed
        if ${pkgs.flatpak}/bin/flatpak list --app | grep -q "$OPENLP_ID"; then
          echo "OpenLP is already installed"
          exit 0
        fi

        # Download and install the bundle
        echo "Downloading OpenLP $OPENLP_VERSION..."
        TEMP_FILE=$(${pkgs.coreutils}/bin/mktemp)
        ${pkgs.curl}/bin/curl -L -o "$TEMP_FILE" "$OPENLP_URL"

        echo "Installing OpenLP from bundle..."
        ${pkgs.flatpak}/bin/flatpak install --system --bundle --noninteractive -y "$TEMP_FILE"

        # Cleanup
        ${pkgs.coreutils}/bin/rm -f "$TEMP_FILE"
        echo "OpenLP installed successfully"
      '';
    };
  };
}