{pkgs ? import <nixpkgs> {}}:
pkgs.mkShell {
  buildInputs = with pkgs; [
    # Build dependencies
    nix
    nix-prefetch-github

    # Runtime dependencies for testing
    nautilus
    nautilus-python
    ffmpeg
    python3

    # Python packages for development
    (python3.withPackages (ps:
      with ps; [
        pillow
        python-magic
        pygobject3
        pillow-heif
      ]))

    # GTK/GObject development
    gtk3
    gobject-introspection
    wrapGAppsHook3

    # Testing and validation
    file
    tree
  ];

  shellHook = ''
    echo "Linux File Converter Addon - Development Environment"
    echo "==================================================="
    echo ""
    echo "Available commands:"
    echo "  nix-build              - Build the package"
    echo "  nix-build test.nix     - Run test suite"
    echo "  nix-prefetch-github    - Update source hash"
    echo ""
    echo "Package files:"
    echo "  package.nix   - Main package definition"
    echo "  default.nix   - Simple builder"
    echo "  test.nix      - Test suite"
    echo "  shell.nix     - This development environment"
    echo ""
    echo "To test build: nix-build && tree result/"
    echo "To run tests:  nix-build test.nix && ./result/bin/test-linux-file-converter-addon"
    echo ""
  '';

  # Environment variables for development
  NIX_SHELL_PRESERVE_PROMPT = 1;
  NIXPKGS_ALLOW_UNFREE = 1;
}