#!/bin/bash

# QR Code Manager - Docker Build and Test Script

set -e  # Exit on any error

echo "🐳 QR Code Manager - Docker Build & Test"
echo "========================================"

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Function to print colored output
print_status() {
    echo -e "${GREEN}✅ $1${NC}"
}

print_warning() {
    echo -e "${YELLOW}⚠️  $1${NC}"
}

print_error() {
    echo -e "${RED}❌ $1${NC}"
}

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

if ! command -v docker &> /dev/null; then
    print_error "Docker is not installed"
    exit 1
fi

if ! docker compose version &> /dev/null; then
    print_error "Docker Compose is not available"
    exit 1
fi

print_status "Docker and Docker Compose are available"

# Create environment file if it doesn't exist
if [ ! -f .env ]; then
    print_warning "Creating .env file from template"
    cp .env.example .env
    print_warning "Please review and update .env file with secure credentials!"
fi

# Build the Docker image
echo "🏗️  Building Docker image..."
if docker compose build; then
    print_status "Docker image built successfully"
else
    print_error "Docker build failed"
    exit 1
fi

# Start the application
echo "🚀 Starting application..."
if docker compose up -d; then
    print_status "Application started successfully"
else
    print_error "Failed to start application"
    exit 1
fi

# Wait for application to be ready
echo "⏳ Waiting for application to be ready..."
sleep 10

# Check if application is responding
if curl -f http://localhost:5000/health > /dev/null 2>&1; then
    print_status "Application is healthy and responding"
else
    print_warning "Health check failed, checking logs..."
    docker compose logs qr-manager
fi

# Show status
echo "📊 Application Status:"
docker compose ps

echo ""
echo "🎉 Deployment Complete!"
echo "========================================"
echo "Application URL: http://localhost:5000"
echo "Default Login:"
echo "  Username: admin"
echo "  Password: admin123"
echo ""
echo "Management Commands:"
echo "  View logs:    docker compose logs -f"
echo "  Stop app:     docker compose down"
echo "  Restart:      docker compose restart"
echo ""
print_warning "Remember to change default credentials in production!"