# Dockerfile optimized for Google Cloud Run
# Use PHP 5.6 with Apache (matches Laravel 5.0 requirements perfectly)
FROM php:5.6-apache

# Set working directory
WORKDIR /var/www/html

# Install system dependencies and PHP extensions required for Laravel
RUN apt-get update && apt-get install -y \
    libpng-dev \
    libjpeg62-turbo-dev \
    libfreetype6-dev \
    libmcrypt-dev \
    zlib1g-dev \
    zip \
    unzip \
    git \
    curl \
    libxml2-dev \
    && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
    && docker-php-ext-install \
        pdo \
        pdo_mysql \
        mbstring \
        zip \
        gd \
        xml \
        mcrypt \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Install Composer
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer

# Enable Apache modules and configure
RUN a2enmod rewrite headers
RUN echo "ServerName localhost" >> /etc/apache2/apache2.conf

# Configure Apache document root for Laravel
ENV APACHE_DOCUMENT_ROOT=/var/www/html/public
RUN sed -ri -e 's!/var/www/html!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/sites-available/*.conf
RUN sed -ri -e 's!/var/www/!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf

# Copy Apache virtual host configuration
COPY <<EOF /etc/apache2/sites-available/000-default.conf
<VirtualHost *:80>
    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/html/public
    
    <Directory /var/www/html/public>
        AllowOverride All
        Require all granted
    </Directory>
    
    # Logging
    ErrorLog \${APACHE_LOG_DIR}/error.log
    CustomLog \${APACHE_LOG_DIR}/access.log combined
    
    # Security headers
    Header always set X-Content-Type-Options nosniff
    Header always set X-Frame-Options DENY
    Header always set X-XSS-Protection "1; mode=block"
    Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains"
    Header always set Referrer-Policy "strict-origin-when-cross-origin"
</VirtualHost>
EOF

# Copy application files
COPY . /var/www/html/

# Fix Git ownership issue for the repository
RUN git config --global --add safe.directory /var/www/html || true

# Install PHP dependencies
RUN composer install --no-dev --optimize-autoloader --no-interaction

# Set proper permissions for Laravel
RUN chown -R www-data:www-data /var/www/html \
    && chmod -R 755 /var/www/html \
    && chmod -R 775 /var/www/html/storage \
    && chmod -R 775 /var/www/html/bootstrap/cache

# Create .env file from .env.example if it doesn't exist
RUN if [ ! -f /var/www/html/.env ]; then \
        cp /var/www/html/.env.example /var/www/html/.env; \
    fi

# Switch to www-data user for Laravel commands to avoid ownership issues
USER www-data

# Generate application key (will be overridden by environment variables in Cloud Run)
RUN php artisan key:generate || true

# Clear and cache configuration for production
RUN php artisan config:clear || true \
    && php artisan route:clear || true \
    && php artisan view:clear || true

# Switch back to root for the remaining setup
USER root

# Create startup script
COPY <<EOF /usr/local/bin/start.sh
#!/bin/bash
set -e

# Fix Git ownership issue
git config --global --add safe.directory /var/www/html || true

# Wait for database to be ready (if using Cloud SQL)
echo "Starting Laravel application..."

# Run Laravel optimizations
php artisan config:cache || true
php artisan route:cache || true
php artisan view:cache || true

# Start Apache in foreground
exec apache2-foreground
EOF

RUN chmod +x /usr/local/bin/start.sh

# Expose port 80 (Cloud Run will map this to 8080)
EXPOSE 80

# Health check for Cloud Run
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost/ || exit 1

# Use the startup script
CMD ["/usr/local/bin/start.sh"]