#!/bin/bash
# ─────────────────────────────────────────────────────────────
#  YouTube Summarizer — Double-click this file to launch!
# ─────────────────────────────────────────────────────────────

# Move to the folder where this script lives (the project folder)
cd "$(dirname "$0")"

clear
echo "============================================"
echo "   YouTube Summarizer — Starting up..."
echo "============================================"
echo ""

# ── Check for Node.js ────────────────────────────────────────
if ! command -v node &> /dev/null; then
  echo "ERROR: Node.js is not installed."
  echo ""
  echo "To install it, open Terminal and run:"
  echo "  brew install node"
  echo ""
  echo "(If you don't have Homebrew, install it first:"
  echo "  /bin/bash -c \"\$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)\""
  echo ")"
  echo ""
  echo "Press any key to close..."
  read -n 1
  exit 1
fi

# ── Check for yt-dlp ─────────────────────────────────────────
if ! command -v yt-dlp &> /dev/null; then
  echo "yt-dlp not found. Installing via Homebrew..."
  if command -v brew &> /dev/null; then
    brew install yt-dlp
  else
    echo "ERROR: yt-dlp is not installed and Homebrew is not available."
    echo "Install yt-dlp manually: https://github.com/yt-dlp/yt-dlp"
    echo ""
    echo "Press any key to close..."
    read -n 1
    exit 1
  fi
fi

# ── Install npm dependencies if needed ───────────────────────
if [ ! -d "server/node_modules" ]; then
  echo "First run — installing dependencies..."
  cd server
  npm install
  cd ..
  echo ""
fi

# ── Start the server ─────────────────────────────────────────
echo "Starting server..."
echo ""

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

# Wait for server to be ready
echo "Waiting for server to start..."
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 ─────────────────────────────────────────────
echo ""
echo "Opening browser..."
open http://localhost:3001
echo ""
echo "============================================"
echo "   App is running at http://localhost:3001"
echo "============================================"
echo ""
echo "Leave this window open while using the app."
echo "To stop the server, close this window or press Ctrl+C."
echo ""

# Keep the script running so the server stays alive
# When user closes the terminal window or presses Ctrl+C, clean up
trap "echo ''; echo 'Shutting down server...'; kill $SERVER_PID 2>/dev/null; exit 0" INT TERM

wait $SERVER_PID