# Docker Compose for HVAC Testing Framework
# Provides hermetic WordPress testing environment with database isolation
#
# Usage:
#   docker-compose up -d    # Start services
#   docker-compose down     # Stop services
#   docker-compose down -v  # Stop services and remove volumes (clean slate)

version: '3.8'

services:
  # WordPress with HVAC plugin
  wordpress:
    image: wordpress:latest
    container_name: hvac-test-wordpress
    ports:
      - "8080:80"
    environment:
      WORDPRESS_DB_HOST: mysql:3306
      WORDPRESS_DB_NAME: hvac_test
      WORDPRESS_DB_USER: hvac_user
      WORDPRESS_DB_PASSWORD: hvac_password
      WORDPRESS_TABLE_PREFIX: wp_
      WORDPRESS_DEBUG: 'true'
      WORDPRESS_CONFIG_EXTRA: |
        /* Test-specific configuration */
        define('WP_ENVIRONMENT_TYPE', 'development');
        define('WP_DEBUG_LOG', true);
        define('WP_DEBUG_DISPLAY', false);
        define('SCRIPT_DEBUG', true);
        define('CONCATENATE_SCRIPTS', false);
        
        /* Disable file editing in admin */
        define('DISALLOW_FILE_EDIT', true);
        
        /* Memory and time limits for testing */
        ini_set('memory_limit', '512M');
        ini_set('max_execution_time', 300);
        
        /* Test environment markers */
        define('HVAC_TEST_ENVIRONMENT', true);
        define('HVAC_DOCKER_ENVIRONMENT', true);
    volumes:
      - wordpress_data:/var/www/html
      - ../../:/var/www/html/wp-content/plugins/hvac-community-events:ro
      - ./uploads:/var/www/html/wp-content/uploads
      - ./test-logs:/var/www/html/wp-content/debug.log
    depends_on:
      mysql:
        condition: service_healthy
      redis:
        condition: service_started
    networks:
      - hvac-test-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost"]
      interval: 30s
      timeout: 10s
      retries: 5
      start_period: 40s

  # MySQL database with test isolation
  mysql:
    image: mysql:8.0
    container_name: hvac-test-mysql
    ports:
      - "3306:3306"
    environment:
      MYSQL_ROOT_PASSWORD: hvac_root_password
      MYSQL_DATABASE: hvac_test
      MYSQL_USER: hvac_user
      MYSQL_PASSWORD: hvac_password
      MYSQL_ROOT_HOST: '%'
    volumes:
      - mysql_data:/var/lib/mysql
      - ./mysql-init:/docker-entrypoint-initdb.d:ro
      - ./mysql-conf:/etc/mysql/conf.d:ro
    command: >
      --default-authentication-plugin=mysql_native_password
      --character-set-server=utf8mb4
      --collation-server=utf8mb4_unicode_ci
      --innodb-buffer-pool-size=256M
      --innodb-log-file-size=64M
      --max-connections=200
      --sql-mode=STRICT_TRANS_TABLES,NO_ZERO_DATE,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
    networks:
      - hvac-test-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "hvac_user", "-phvac_password"]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 30s

  # Redis for caching (optional but recommended for performance testing)
  redis:
    image: redis:7-alpine
    container_name: hvac-test-redis
    ports:
      - "6379:6379"
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru
    volumes:
      - redis_data:/data
    networks:
      - hvac-test-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5

  # WP-CLI container for database operations
  wpcli:
    image: wordpress:cli
    container_name: hvac-test-wpcli
    volumes:
      - wordpress_data:/var/www/html
      - ../../:/var/www/html/wp-content/plugins/hvac-community-events
    environment:
      WORDPRESS_DB_HOST: mysql:3306
      WORDPRESS_DB_NAME: hvac_test
      WORDPRESS_DB_USER: hvac_user
      WORDPRESS_DB_PASSWORD: hvac_password
    depends_on:
      mysql:
        condition: service_healthy
    networks:
      - hvac-test-network
    profiles:
      - cli
    command: tail -f /dev/null

  # MailHog for email testing
  mailhog:
    image: mailhog/mailhog:latest
    container_name: hvac-test-mailhog
    ports:
      - "1025:1025"  # SMTP server
      - "8025:8025"  # Web interface
    networks:
      - hvac-test-network
    restart: unless-stopped

  # PHPMyAdmin for database inspection (optional)
  phpmyadmin:
    image: phpmyadmin/phpmyadmin:latest
    container_name: hvac-test-phpmyadmin
    ports:
      - "8081:80"
    environment:
      PMA_HOST: mysql
      PMA_PORT: 3306
      PMA_USER: hvac_user
      PMA_PASSWORD: hvac_password
      MYSQL_ROOT_PASSWORD: hvac_root_password
    depends_on:
      mysql:
        condition: service_healthy
    networks:
      - hvac-test-network
    profiles:
      - admin

volumes:
  wordpress_data:
    driver: local
  mysql_data:
    driver: local
  redis_data:
    driver: local

networks:
  hvac-test-network:
    driver: bridge
    name: hvac-test-network

# Additional configuration files that can be mounted:
# 
# ./mysql-init/01-test-databases.sql:
#   CREATE DATABASE IF NOT EXISTS hvac_test_backup;
#   CREATE DATABASE IF NOT EXISTS hvac_test_template;
#   GRANT ALL PRIVILEGES ON hvac_test_backup.* TO 'hvac_user'@'%';
#   GRANT ALL PRIVILEGES ON hvac_test_template.* TO 'hvac_user'@'%';
#
# ./mysql-conf/test-optimizations.cnf:
#   [mysqld]
#   innodb_flush_log_at_trx_commit = 2
#   sync_binlog = 0
#   innodb_flush_method = O_DIRECT
#   query_cache_type = 1
#   query_cache_size = 64M