let
  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-25.05";
  pkgs = import nixpkgs { config = {}; overlays = []; };
in

pkgs.mkShell {
  buildInputs = with pkgs; [
    rustc
    cargo
    gcc # cc-command for building native dependencies
    pkg-config # useful for C-dependencies
    openssl # if crates are dependent on openssl
    openssl.dev # openssl development headers
    # GUI dependencies - X11
    libGL
    xorg.libX11
    xorg.libXcursor
    xorg.libXi
    xorg.libXrandr
    libxkbcommon
    # GUI dependencies - Wayland (for Wayland support)
    wayland
  ];

  # Set up library paths for runtime
  shellHook = let
    libPath = pkgs.lib.makeLibraryPath (with pkgs; [
      libGL
      xorg.libX11
      xorg.libXcursor
      xorg.libXi
      xorg.libXrandr
      libxkbcommon
      wayland
    ]);
  in ''
    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${libPath}"
    
    echo "NaviPod Development Environment"

    # Verify Rust is available
    if command -v rustc &> /dev/null; then
      echo "✓ Rust $(rustc --version) is available"
    fi

    if command -v cargo &> /dev/null; then
      echo "✓ Cargo $(cargo --version) is available"
    fi

    echo ""
    echo "Welcome to NaviPod development shell!"
    echo "Run 'cargo build' to build the project."
    echo "Run 'cargo check' to check for compilation errors."
    echo "Run './target/debug/navipod-gui' to launch the GUI (from within this shell)."
  '';
}