#!/bin/bash
# ─────────────────────────────────────────────────────────────
#  Creates "YouTube Summarizer.app" — a proper macOS app bundle
#  that you can put in your Dock, Desktop, or Applications folder.
#
#  Usage: Run this once from the project folder:
#    chmod +x create-app.sh && ./create-app.sh
# ─────────────────────────────────────────────────────────────

PROJECT_DIR="$(cd "$(dirname "$0")" && pwd)"
APP_NAME="YouTube Summarizer"
APP_PATH="$PROJECT_DIR/$APP_NAME.app"

echo ""
echo "Creating $APP_NAME.app..."
echo ""

# ── Build the .app bundle structure ──────────────────────────
rm -rf "$APP_PATH"
mkdir -p "$APP_PATH/Contents/MacOS"
mkdir -p "$APP_PATH/Contents/Resources"

# ── Create the launcher script ───────────────────────────────
cat > "$APP_PATH/Contents/MacOS/launcher" << 'LAUNCHER'
#!/bin/bash

# Resolve the real project directory (the .app lives inside it)
APP_DIR="$(cd "$(dirname "$0")/../../.." && pwd)"

# If the app has been moved (e.g. to /Applications), check for a saved path
SAVED_PATH="$HOME/.config/youtube-summarizer/project-path"
if [ ! -f "$APP_DIR/server/index.js" ]; then
  if [ -f "$SAVED_PATH" ]; then
    APP_DIR="$(cat "$SAVED_PATH")"
  else
    # Ask the user to locate the project folder
    APP_DIR=$(osascript -e 'POSIX path of (choose folder with prompt "Locate your YouTube Summarizer project folder:")')
    APP_DIR="${APP_DIR%/}"
    if [ -z "$APP_DIR" ] || [ ! -f "$APP_DIR/server/index.js" ]; then
      osascript -e 'display alert "YouTube Summarizer" message "Could not find the project folder. Make sure server/index.js exists." as critical'
      exit 1
    fi
    mkdir -p "$(dirname "$SAVED_PATH")"
    echo "$APP_DIR" > "$SAVED_PATH"
  fi
fi

cd "$APP_DIR"

# Add common Homebrew paths (node, yt-dlp)
export PATH="/opt/homebrew/bin:/usr/local/bin:$PATH"

# Check for Node.js
if ! command -v node &> /dev/null; then
  osascript -e 'display alert "YouTube Summarizer" message "Node.js is not installed. Install it with: brew install node" as critical'
  exit 1
fi

# Check for yt-dlp
if ! command -v yt-dlp &> /dev/null; then
  if command -v brew &> /dev/null; then
    brew install yt-dlp 2>&1
  else
    osascript -e 'display alert "YouTube Summarizer" message "yt-dlp is not installed. Install it with: brew install yt-dlp" as critical'
    exit 1
  fi
fi

# Install npm dependencies if needed
if [ ! -d "server/node_modules" ]; then
  cd server && npm install && cd ..
fi

# Ask user: Home or Traveling?
ICON_PATH="$APP_DIR/assets/icon.png"
NETWORK_CHOICE=$(osascript -e "
  set iconFile to POSIX file \"$ICON_PATH\"
  set theChoice to button returned of (display dialog \"Where are you right now?\" & return & return & \"Home — allows your phone and other devices on your Wi-Fi to use the app.\" & return & return & \"Traveling — locks access to just this laptop for safety on public Wi-Fi.\" buttons {\"Traveling\", \"Home\"} default button \"Traveling\" with title \"YouTube Summarizer\" with icon iconFile)
  return theChoice
" 2>/dev/null)

# Default to traveling (safe) if dialog was cancelled
if [ "$NETWORK_CHOICE" = "Home" ]; then
  export LAN_MODE=true
else
  export LAN_MODE=false
fi

# Kill any existing instance on port 3001
lsof -ti:3001 | xargs kill -9 2>/dev/null
sleep 0.3

# Start the server
cd server
node index.js &
SERVER_PID=$!
cd ..

# Wait for server to be ready (up to 10 seconds)
for i in {1..20}; do
  if curl -s http://localhost:3001/api/health > /dev/null 2>&1; then
    break
  fi
  sleep 0.5
done

# Open browser
open http://localhost:3001

# Keep alive — when the app is quit, stop the server
trap "kill $SERVER_PID 2>/dev/null; exit 0" INT TERM
wait $SERVER_PID
LAUNCHER

chmod +x "$APP_PATH/Contents/MacOS/launcher"

# ── Create Info.plist ────────────────────────────────────────
cat > "$APP_PATH/Contents/Info.plist" << PLIST
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>CFBundleExecutable</key>
  <string>launcher</string>
  <key>CFBundleName</key>
  <string>YouTube Summarizer</string>
  <key>CFBundleIdentifier</key>
  <string>com.local.youtube-summarizer</string>
  <key>CFBundleVersion</key>
  <string>1.0</string>
  <key>CFBundlePackageType</key>
  <string>APPL</string>
  <key>CFBundleIconFile</key>
  <string>AppIcon</string>
  <key>LSUIElement</key>
  <true/>
</dict>
</plist>
PLIST

# ── Create the app icon from the pre-made PNG ───────────────
ICON_PNG="$PROJECT_DIR/assets/icon.png"
ICON_DIR="$APP_PATH/Contents/Resources"

if [ -f "$ICON_PNG" ]; then
  echo "Building app icon..."

  # Create iconset with all required sizes using sips (built into macOS)
  ICONSET="$ICON_DIR/AppIcon.iconset"
  mkdir -p "$ICONSET"

  for size in 16 32 64 128 256 512; do
    sips -z $size $size "$ICON_PNG" --out "$ICONSET/icon_${size}x${size}.png" > /dev/null 2>&1
  done
  # @2x variants
  for size in 16 32 128 256 512; do
    double=$((size * 2))
    sips -z $double $double "$ICON_PNG" --out "$ICONSET/icon_${size}x${size}@2x.png" > /dev/null 2>&1
  done

  # Convert iconset → .icns using iconutil (built into macOS)
  iconutil -c icns "$ICONSET" -o "$ICON_DIR/AppIcon.icns" 2>/dev/null

  # Clean up the iconset folder
  rm -rf "$ICONSET"

  if [ -f "$ICON_DIR/AppIcon.icns" ]; then
    echo "  Icon created successfully."
  else
    echo "  Warning: Could not create .icns icon. The app will use a generic icon."
  fi
else
  echo "  Warning: assets/icon.png not found. The app will use a generic icon."
fi

# ── Remove quarantine so macOS doesn't block it ─────────────
xattr -d com.apple.quarantine "$APP_PATH" 2>/dev/null

# ── Done! ────────────────────────────────────────────────────
echo ""
echo "============================================"
echo "  Created: $APP_NAME.app"
echo "============================================"
echo ""
echo "You can now:"
echo "  1. Double-click it to launch the app"
echo "  2. Drag it to your Dock for quick access"
echo "  3. Move it to /Applications if you prefer"
echo ""
echo "If you move it outside this folder, it will"
echo "ask you to locate the project folder once."
echo ""
echo "Done!"
echo ""