{
  lib,
  stdenv,
  fetchurl,
  makeWrapper,
  makeDesktopItem,
  copyDesktopItems,
  p7zip,
  unzip,
  electron,
  nodejs,
  asar,
  graphicsmagick,
}:

let
  pname = "claude-desktop";
  version = "1.0.1768"; # Updated based on extracted nupkg

  srcs.x86_64-linux = fetchurl {
    url = "https://downloads.claude.ai/releases/win32/x64/1.0.1768/Claude-67d01376d0e9d08b328455f6db9e63b0d603506a.exe";
    hash = "sha256-x76Qav38ya3ObpWIq3dDowo79LgvVquMfaZeH8M1LUk=;";
  };

  src =
    srcs.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");

  # Stub implementation for claude-native module
  claudeNativeStub = ''
    // Stub implementation of claude-native using KeyboardKey enum values
    const KeyboardKey = { 
      Backspace: 43, Tab: 280, Enter: 261, Shift: 272, Control: 61, Alt: 40, 
      CapsLock: 56, Escape: 85, Space: 276, PageUp: 251, PageDown: 250, 
      End: 83, Home: 154, LeftArrow: 175, UpArrow: 282, RightArrow: 262, 
      DownArrow: 81, Delete: 79, Meta: 187 
    };
    Object.freeze(KeyboardKey);
    module.exports = { 
      getWindowsVersion: () => "10.0.0", 
      setWindowEffect: () => {}, 
      removeWindowEffect: () => {}, 
      getIsMaximized: () => false, 
      flashFrame: () => {}, 
      clearFlashFrame: () => {}, 
      showNotification: () => {}, 
      setProgressBar: () => {}, 
      clearProgressBar: () => {}, 
      setOverlayIcon: () => {}, 
      clearOverlayIcon: () => {}, 
      KeyboardKey 
    };
  '';

in
stdenv.mkDerivation rec {
  inherit pname version src;

  nativeBuildInputs = [
    makeWrapper
    copyDesktopItems
    p7zip
    unzip
    nodejs
    graphicsmagick
  ];

  buildInputs = [
    electron
  ];

  desktopItems = [
    (makeDesktopItem {
      name = "claude-desktop";
      desktopName = "Claude";
      comment = "AI assistant from Anthropic";
      exec = "claude-desktop %u";
      icon = "claude-desktop";
      categories = [
        "Network"
        "Chat"
        "Office"
      ];
      mimeTypes = [ "x-scheme-handler/claude" ];
      startupNotify = true;
      startupWMClass = "Claude";
    })
  ];

  unpackPhase = ''
    runHook preUnpack

    # Extract the Windows installer - use -y to auto-overwrite
    7z x -y $src -o./extracted

    # The installer contains a NuGet package
    if [ -f ./extracted/AnthropicClaude-*-full.nupkg ]; then
      echo "Found NuGet package, extracting..."
      # NuGet packages are just zip files
      unzip -q ./extracted/AnthropicClaude-*-full.nupkg -d ./nupkg

      # Extract app.asar to modify it
      if [ -f ./nupkg/lib/net45/resources/app.asar ]; then
        echo "Extracting app.asar..."
        ${asar}/bin/asar extract ./nupkg/lib/net45/resources/app.asar ./app

        # Also copy the unpacked resources
        if [ -d ./nupkg/lib/net45/resources/app.asar.unpacked ]; then
          cp -r ./nupkg/lib/net45/resources/app.asar.unpacked/* ./app/
        fi

        # Copy additional resources
        mkdir -p ./app/resources
        mkdir -p ./app/resources/i18n
        cp ./nupkg/lib/net45/resources/Tray* ./app/resources/ || true
        cp ./nupkg/lib/net45/resources/*-*.json ./app/resources/i18n/ || true
      fi
    else
      echo "NuGet package not found"
      ls -la ./extracted/
      exit 1
    fi

    runHook postUnpack
  '';

  buildPhase = ''
    runHook preBuild

    # Replace the Windows-specific claude-native module with a stub
    if [ -d ./app/node_modules/claude-native ]; then
      echo "Replacing claude-native module with Linux stub..."
      rm -rf ./app/node_modules/claude-native/*.node
      cat > ./app/node_modules/claude-native/index.js << 'EOF'
    ${claudeNativeStub}
    EOF
    fi

    # Fix the title bar detection (from aaddrick script)
    echo "Fixing title bar detection..."
    SEARCH_BASE="./app/.vite/renderer/main_window/assets"
    if [ -d "$SEARCH_BASE" ]; then
      TARGET_FILE=$(find "$SEARCH_BASE" -type f -name "MainWindowPage-*.js" | head -1)
      if [ -n "$TARGET_FILE" ]; then
        echo "Found target file: $TARGET_FILE"
        # Replace patterns like 'if(!VAR1 && VAR2)' with 'if(VAR1 && VAR2)'
        sed -i -E 's/if\(!([a-zA-Z]+)[[:space:]]*&&[[:space:]]*([a-zA-Z]+)\)/if(\1 \&\& \2)/g' "$TARGET_FILE"
        echo "Title bar fix applied"
      fi
    fi

    runHook postBuild
  '';

  installPhase = ''
    runHook preInstall

    mkdir -p $out/lib/claude-desktop

    # Repack the modified app as app.asar
    cd ./app
    ${asar}/bin/asar pack . ../app.asar
    cd ..

    # Copy resources
    mkdir -p $out/lib/claude-desktop/resources
    cp ./app.asar $out/lib/claude-desktop/resources/

    # Create app.asar.unpacked directory with the stub
    mkdir -p $out/lib/claude-desktop/resources/app.asar.unpacked/node_modules/claude-native
    cat > $out/lib/claude-desktop/resources/app.asar.unpacked/node_modules/claude-native/index.js << 'EOF'
    ${claudeNativeStub}
    EOF

    # Copy other resources
    if [ -d ./nupkg/lib/net45/resources ]; then
      cp ./nupkg/lib/net45/resources/*.png $out/lib/claude-desktop/resources/ 2>/dev/null || true
      cp ./nupkg/lib/net45/resources/*.ico $out/lib/claude-desktop/resources/ 2>/dev/null || true
      cp ./nupkg/lib/net45/resources/*.json $out/lib/claude-desktop/resources/ 2>/dev/null || true
    fi

    # Create wrapper script
    makeWrapper ${electron}/bin/electron $out/bin/claude-desktop \
      --add-flags "$out/lib/claude-desktop/resources/app.asar" \
      --set DISABLE_AUTOUPDATER 1 \
      --set NODE_ENV production

    # Extract and install icons in multiple sizes
    if [ -f ./extracted/setupIcon.ico ]; then
      echo "Converting and installing icons..."
      # Count frames in the ICO file and extract each one
      frame_count=$(gm identify ./extracted/setupIcon.ico | wc -l)
      for i in $(seq 0 $((frame_count - 1))); do
        gm convert "./extracted/setupIcon.ico[$i]" "./extracted/setupIcon-$i.png" 2>/dev/null || true
      done

      # Loop through converted icons and install them by size
      for img in ./extracted/setupIcon-*.png; do
        if [ -f "$img" ]; then
          size=$(gm identify -format "%wx%h" "$img")
          # Skip smallest icons (16x16 and 32x32) as they're too low quality
          if [ "$size" != "16x16" ] && [ "$size" != "32x32" ]; then
            mkdir -p "$out/share/icons/hicolor/$size/apps"
            cp "$img" "$out/share/icons/hicolor/$size/apps/claude-desktop.png"
          fi
        fi
      done
    fi

    runHook postInstall
  '';

  meta = with lib; {
    description = "Claude Desktop - AI assistant from Anthropic";
    homepage = "https://claude.ai";
    license = licenses.unfree;
    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
    maintainers = with maintainers; [ ];
    platforms = [ "x86_64-linux" ];
    mainProgram = "claude-desktop";
  };
}