# =============================================================================
# Stage 1: Build Frontend
# =============================================================================
FROM node:20-alpine AS frontend-builder

WORKDIR /app/frontend

# Copy frontend package files
COPY frontend/package*.json ./

# Install dependencies (including dev for build)
RUN npm ci

# Copy frontend source
COPY frontend/ ./

# Build frontend
RUN npm run build

# =============================================================================
# Stage 2: Build Backend Dependencies
# =============================================================================
FROM php:8.3-fpm-alpine AS backend-builder

# Install build dependencies
RUN apk add --no-cache \
    libpng-dev \
    oniguruma-dev \
    libxml2-dev \
    zip \
    unzip

# Install PHP extensions
RUN docker-php-ext-install pdo_mysql mbstring exif pcntl bcmath gd opcache

# Install Composer
COPY --from=composer:latest /usr/bin/composer /usr/bin/composer

WORKDIR /var/www/html

# Copy composer files
COPY backend/composer.json backend/composer.lock ./

# Install PHP dependencies (production only)
RUN composer install --no-dev --no-scripts --no-autoloader --prefer-dist

# Copy backend source
COPY backend/ ./

# Generate optimized autoloader
RUN composer dump-autoload --optimize --classmap-authoritative

# =============================================================================
# Stage 3: Final Production Image (All-in-One)
# =============================================================================
FROM php:8.3-fpm-alpine

# Install runtime dependencies
RUN apk add --no-cache \
    libpng \
    oniguruma \
    libxml2 \
    nginx \
    supervisor \
    mariadb \
    mariadb-client \
    redis \
    curl \
    bash

# Copy PHP extensions from backend-builder
COPY --from=backend-builder /usr/local/lib/php/extensions/ /usr/local/lib/php/extensions/
COPY --from=backend-builder /usr/local/etc/php/conf.d/docker-php-ext-*.ini /usr/local/etc/php/conf.d/

# Configure PHP for production
RUN echo "opcache.enable=1" >> /usr/local/etc/php/conf.d/opcache.ini && \
    echo "opcache.memory_consumption=128" >> /usr/local/etc/php/conf.d/opcache.ini && \
    echo "opcache.max_accelerated_files=10000" >> /usr/local/etc/php/conf.d/opcache.ini && \
    echo "opcache.validate_timestamps=0" >> /usr/local/etc/php/conf.d/opcache.ini && \
    echo "expose_php=0" >> /usr/local/etc/php/conf.d/security.ini && \
    echo "display_errors=0" >> /usr/local/etc/php/conf.d/security.ini && \
    echo "log_errors=1" >> /usr/local/etc/php/conf.d/security.ini

# Create application user
RUN addgroup -g 1000 appuser && \
    adduser -D -u 1000 -G appuser appuser && \
    mkdir -p /var/www/html /usr/share/nginx/html && \
    chown -R appuser:appuser /var/www/html /usr/share/nginx/html

# Create necessary directories for services
RUN mkdir -p /run/nginx /run/mysqld /var/lib/mysql /var/log/supervisor /data/redis && \
    chown -R appuser:appuser /run/nginx /usr/share/nginx/html && \
    chown -R mysql:mysql /run/mysqld /var/lib/mysql && \
    chown -R redis:redis /data/redis

# Copy backend from builder
WORKDIR /var/www/html
COPY --from=backend-builder --chown=appuser:appuser /var/www/html ./

# Create Laravel required directories
RUN mkdir -p storage/framework/{sessions,views,cache} \
    storage/logs \
    bootstrap/cache && \
    chown -R appuser:appuser storage bootstrap/cache && \
    chmod -R 775 storage bootstrap/cache

# Copy frontend built assets
COPY --from=frontend-builder --chown=appuser:appuser /app/frontend/dist /usr/share/nginx/html

# Copy nginx configurations
COPY docker/nginx/production.conf /etc/nginx/http.d/default.conf

# Copy supervisor configuration
COPY docker/supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Initialize MariaDB data directory
RUN mysql_install_db --user=mysql --datadir=/var/lib/mysql

# Copy entrypoint script
COPY docker/entrypoint.sh /usr/local/bin/entrypoint.sh
RUN chmod +x /usr/local/bin/entrypoint.sh

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

# Expose HTTP port
EXPOSE 80

# Set entrypoint
ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]

# Start supervisor
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]