#!/bin/bash

# CoopCredits Deployment Script
# Usage: ./deploy.sh [environment]

set -e

ENVIRONMENT=${1:-production}
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"

echo "🚀 CoopCredits Deployment"
echo "========================"
echo "Environment: $ENVIRONMENT"
echo ""

# Check prerequisites
check_prerequisites() {
    echo "Checking prerequisites..."
    
    command -v docker >/dev/null 2>&1 || { echo "❌ Docker is required but not installed. Aborting." >&2; exit 1; }
    command -v docker-compose >/dev/null 2>&1 || { echo "❌ Docker Compose is required but not installed. Aborting." >&2; exit 1; }
    
    echo "✅ Prerequisites met"
}

# Load environment variables
load_env() {
    if [ -f "$PROJECT_DIR/.env" ]; then
        echo "Loading environment variables..."
        set -a
        source "$PROJECT_DIR/.env"
        set +a
    else
        echo "⚠️  .env file not found. Using default values."
    fi
}

# Build and deploy
build_and_deploy() {
    echo ""
    echo "Building and deploying..."
    
    cd "$PROJECT_DIR"
    
    # Pull latest images
    docker-compose pull
    
    # Build services
    docker-compose build --no-cache
    
    # Start services
    docker-compose up -d
    
    # Wait for database
    echo "Waiting for database..."
    sleep 10
    
    # Run migrations
    echo "Running database migrations..."
    docker-compose exec -T backend npx prisma migrate deploy
    
    echo "✅ Deployment complete!"
}

# Setup SSL certificates
setup_ssl() {
    echo ""
    echo "Setting up SSL certificates..."
    
    # Check if certificates exist
    if [ ! -f "$PROJECT_DIR/docker/nginx/ssl/cert.pem" ]; then
        echo "⚠️  SSL certificates not found at docker/nginx/ssl/"
        echo "Please place your certificates:"
        echo "  - cert.pem (certificate)"
        echo "  - key.pem (private key)"
        echo ""
        read -p "Continue without SSL? (y/n) " -n 1 -r
        echo
        if [[ ! $REPLY =~ ^[Yy]$ ]]; then
            exit 1
        fi
    fi
}

# Health check
health_check() {
    echo ""
    echo "Running health checks..."
    
    # Check if services are running
    if docker-compose ps | grep -q "Up"; then
        echo "✅ Services are running"
    else
        echo "❌ Some services failed to start"
        docker-compose ps
        exit 1
    fi
    
    # Test API endpoint
    if curl -sf http://localhost:3001/health > /dev/null; then
        echo "✅ Backend is responding"
    else
        echo "❌ Backend is not responding"
        exit 1
    fi
    
    echo "✅ Health checks passed"
}

# Main deployment flow
main() {
    check_prerequisites
    load_env
    setup_ssl
    build_and_deploy
    health_check
    
    echo ""
    echo "🎉 CoopCredits has been deployed!"
    echo ""
    echo "Access your application:"
    echo "  - Website: https://coop.hobokenchicken.com"
    echo "  - API: https://coop.hobokenchicken.com/api"
    echo ""
    echo "Useful commands:"
    echo "  - View logs: docker-compose logs -f"
    echo "  - Stop: docker-compose down"
    echo "  - Restart: docker-compose restart"
}

main "$@"