#!/bin/bash
# ScriptShare Production Deployment Script

set -e

echo "🚀 Starting ScriptShare deployment..."

# Check if Docker and Docker Compose are installed
if ! command -v docker &> /dev/null; then
    echo "❌ Docker is not installed. Please install Docker first."
    exit 1
fi

if ! command -v docker-compose &> /dev/null && ! docker compose version &> /dev/null; then
    echo "❌ Docker Compose is not installed. Please install Docker Compose first."
    exit 1
fi

# Check if environment file exists
if [ ! -f "env.production" ]; then
    echo "❌ Environment file 'env.production' not found."
    echo "Please copy 'env.production' and configure your settings."
    exit 1
fi

# Create necessary directories
echo "📁 Creating required directories..."
mkdir -p logs
mkdir -p certs
mkdir -p backups

# Copy environment file
cp env.production .env

# Pull latest images
echo "📥 Pulling Docker images..."
docker-compose -f docker-compose.prod.yml pull

# Build custom images
echo "🔨 Building application images..."
docker-compose -f docker-compose.prod.yml build --no-cache

# Stop existing containers if running
echo "🛑 Stopping existing containers..."
docker-compose -f docker-compose.prod.yml down

# Start the application
echo "🚀 Starting ScriptShare application..."
docker-compose -f docker-compose.prod.yml up -d

# Wait for services to be healthy
echo "⏳ Waiting for services to start..."
sleep 30

# Check service health
echo "🏥 Checking service health..."
services=("scriptshare-db" "scriptshare-api" "scriptshare-frontend" "scriptshare-proxy")

for service in "${services[@]}"; do
    if docker-compose -f docker-compose.prod.yml ps | grep -q "$service.*Up"; then
        echo "✅ $service is running"
    else
        echo "❌ $service failed to start"
        echo "Checking logs for $service:"
        docker-compose -f docker-compose.prod.yml logs "$service"
        exit 1
    fi
done

# Run database migrations if needed
echo "🗃️ Running database migrations..."
docker-compose -f docker-compose.prod.yml exec -T scriptshare-api npm run db:migrate:prod || echo "⚠️ Database migrations not available or failed"

# Display deployment information
echo ""
echo "🎉 ScriptShare deployment completed successfully!"
echo ""
echo "📊 Service URLs:"
echo "   Frontend: http://localhost:$(grep PROXY_PORT .env | cut -d'=' -f2 | tr -d '"')"
echo "   API: http://localhost:$(grep API_PORT .env | cut -d'=' -f2 | tr -d '"')/api/health"
echo "   Database: localhost:$(grep DB_PORT .env | cut -d'=' -f2 | tr -d '"')"
echo ""
echo "🔧 Management commands:"
echo "   View logs: docker-compose -f docker-compose.prod.yml logs -f"
echo "   Stop: docker-compose -f docker-compose.prod.yml down"
echo "   Restart: docker-compose -f docker-compose.prod.yml restart"
echo ""
echo "📝 Next steps:"
echo "   1. Configure your domain DNS to point to this server"
echo "   2. Set up SSL certificates in ./certs/"
echo "   3. Update env.production with your domain settings"
echo "   4. Run: docker-compose -f docker-compose.prod.yml restart scriptshare-proxy"