#!/bin/bash
#
# Hanasuba Music Service v2.0 - Setup Script
#

set -e

echo "╔══════════════════════════════════════════════════╗"
echo "║   🎵 Hanasuba Music Service v2.0 Setup         ║"
echo "╚══════════════════════════════════════════════════╝"
echo ""

# Check prerequisites
echo "🔍 Checking prerequisites..."

if ! command -v node &> /dev/null; then
    echo "❌ Node.js not found. Please install Node.js 18+"
    exit 1
fi

if ! command -v python3 &> /dev/null; then
    echo "❌ Python 3 not found. Please install Python 3.9+"
    exit 1
fi

if ! command -v yt-dlp &> /dev/null; then
    echo "⚠️  yt-dlp not found. Installing..."
    pip3 install yt-dlp
fi

if ! command -v ffmpeg &> /dev/null; then
    echo "❌ ffmpeg not found. Please install ffmpeg"
    echo "   sudo apt install ffmpeg  # Debian/Ubuntu"
    exit 1
fi

echo "✅ Prerequisites OK"
echo ""

# Install Node dependencies
echo "📦 Installing Node.js dependencies..."
npm install
echo "✅ Node.js dependencies installed"
echo ""

# Install Python dependencies
echo "🐍 Installing Python dependencies..."
pip3 install -r requirements.txt
echo "✅ Python dependencies installed"
echo ""

# Install Playwright browsers
echo "🎭 Installing Playwright Firefox..."
python3 -m playwright install firefox
echo "✅ Playwright Firefox installed"
echo ""

# Create output directory
echo "📁 Creating output directory..."
mkdir -p output
chmod 755 output
echo "✅ Output directory created"
echo ""

# Setup .env if not exists
if [ ! -f .env ]; then
    echo "⚙️  Creating .env file..."
    cp .env.example .env
    echo "✅ .env created (please edit if needed)"
else
    echo "ℹ️  .env already exists (skipping)"
fi
echo ""

# Extract initial cookies
echo "🍪 Extracting YouTube cookies (this may take 30s)..."
if python3 src/python/extract_cookies.py; then
    echo "✅ Cookies extracted successfully"
else
    echo "⚠️  Cookie extraction failed (you can retry later with: npm run cookies:extract)"
fi
echo ""

echo "╔══════════════════════════════════════════════════╗"
echo "║   ✅ Setup Complete!                            ║"
echo "╚══════════════════════════════════════════════════╝"
echo ""
echo "🚀 Start the service:"
echo "   npm start"
echo ""
echo "📖 Read the docs:"
echo "   cat README.md"
echo ""
echo "🧪 Test download:"
echo "   curl -X POST http://localhost:8889/download \\"
echo "     -H 'Content-Type: application/json' \\"
echo "     -d '{\"url\": \"https://youtube.com/watch?v=dQw4w9WgXcQ\"}'"
echo ""