setup.php

<?php
/**
 * POS Backend Setup Script
 * Run this script after cloning the repository to set up your environment
 */

echo "🚀 POS Backend Setup Script\n";
echo "============================\n\n";

// Check PHP version
echo "1. Checking PHP version...\n";
if (version_compare(PHP_VERSION, '7.4.0', '<')) {
    echo "   ❌ PHP 7.4 or higher is required. Current version: " . PHP_VERSION . "\n";
    exit(1);
} else {
    echo "   ✅ PHP version: " . PHP_VERSION . "\n";
}

// Check required extensions
echo "\n2. Checking required PHP extensions...\n";
$required_extensions = ['mysqli', 'curl', 'gd', 'json', 'mbstring'];
$missing_extensions = [];

foreach ($required_extensions as $ext) {
    if (extension_loaded($ext)) {
        echo "   ✅ $ext extension loaded\n";
    } else {
        echo "   ❌ $ext extension not loaded\n";
        $missing_extensions[] = $ext;
    }
}

if (!empty($missing_extensions)) {
    echo "\n   Please install the following PHP extensions:\n";
    foreach ($missing_extensions as $ext) {
        echo "   - $ext\n";
    }
    echo "\n   On Ubuntu/Debian: sudo apt-get install php-$ext\n";
    echo "   On CentOS/RHEL: sudo yum install php-$ext\n";
    echo "   On Windows: Enable the extension in php.ini\n";
}

// Check if Composer is installed
echo "\n3. Checking Composer...\n";
if (file_exists('composer.phar') || file_exists('vendor/autoload.php')) {
    echo "   ✅ Composer dependencies found\n";
} else {
    echo "   ❌ Composer dependencies not found\n";
    echo "   Please run: composer install\n";
}

// Check configuration files
echo "\n4. Checking configuration files...\n";

if (file_exists('config/dbcon.php')) {
    echo "   ✅ Database configuration found\n";
} else {
    echo "   ❌ Database configuration not found\n";
    echo "   Please copy config/dbcon.example.php to config/dbcon.php\n";
    echo "   and update with your database credentials\n";
}

if (file_exists('stripe-php/config.php')) {
    echo "   ✅ Stripe configuration found\n";
} else {
    echo "   ❌ Stripe configuration not found\n";
    echo "   Please copy stripe-php/config.example.php to stripe-php/config.php\n";
    echo "   and update with your Stripe API keys\n";
}

// Check directory permissions
echo "\n5. Checking directory permissions...\n";
$writable_dirs = ['assets/uploads', 'chat-app/image'];
foreach ($writable_dirs as $dir) {
    if (is_dir($dir)) {
        if (is_writable($dir)) {
            echo "   ✅ $dir is writable\n";
        } else {
            echo "   ❌ $dir is not writable\n";
            echo "   Please run: chmod 755 $dir\n";
        }
    } else {
        echo "   ⚠️  $dir directory does not exist\n";
    }
}

// Create upload directories if they don't exist
echo "\n6. Creating required directories...\n";
foreach ($writable_dirs as $dir) {
    if (!is_dir($dir)) {
        if (mkdir($dir, 0755, true)) {
            echo "   ✅ Created directory: $dir\n";
        } else {
            echo "   ❌ Failed to create directory: $dir\n";
        }
    }
}

echo "\n📋 Setup Summary:\n";
echo "================\n";
echo "1. Copy configuration files from examples\n";
echo "2. Update database credentials in config/dbcon.php\n";
echo "3. Update Stripe API keys in stripe-php/config.php\n";
echo "4. Run: composer install (if not already done)\n";
echo "5. Set up your database schema\n";
echo "6. Configure your web server\n\n";

echo "🔐 Security Reminders:\n";
echo "=====================\n";
echo "- Never commit API keys or database credentials\n";
echo "- Use environment variables in production\n";
echo "- Keep dependencies updated\n";
echo "- Enable HTTPS in production\n\n";

echo "📚 Next Steps:\n";
echo "==============\n";
echo "1. Read the README.md file for detailed instructions\n";
echo "2. Check the project documentation for implementation details\n";
echo "3. Test the system with sample data\n";
echo "4. Configure your production environment\n\n";

echo "🎉 Setup complete! Happy coding!\n";
?>