from .base import *
import dj_database_url
import os

DEBUG = False

# Comma-separated list of allowed hosts
_allowed = os.getenv("ALLOWED_HOSTS", "")
ALLOWED_HOSTS = [h.strip() for h in _allowed.split(",") if h.strip()]

# Strict CORS
_cors = os.getenv("CORS_ALLOWED_ORIGINS", "")
CORS_ALLOWED_ORIGINS = [h.strip() for h in _cors.split(",") if h.strip()]
CORS_ALLOW_ALL_ORIGINS = False

# Production Database with Connection Pooling Settings
DATABASES = {
    "default": {
        "ENGINE": "django.db.backends.mysql",
        "NAME": os.getenv("DB_NAME", "mtcbd_db"),
        "USER": os.getenv("DB_USER", "root"),
        "PASSWORD": os.getenv("DB_PASSWORD", ""),
        "HOST": os.getenv("DB_HOST", "127.0.0.1"),
        "PORT": os.getenv("DB_PORT", "3306"),
        "OPTIONS": {
            "init_command": "SET sql_mode='STRICT_TRANS_TABLES'",
            "charset": "utf8mb4",
        },
        "CONN_MAX_AGE": int(os.getenv("DB_CONN_MAX_AGE", "60")),
    }
}

# Production security settings
SECURE_SSL_REDIRECT = os.getenv("SECURE_SSL_REDIRECT", "True") == "True"
SESSION_COOKIE_SECURE = True
CSRF_COOKIE_SECURE = True
SECURE_BROWSER_XSS_FILTER = True
SECURE_CONTENT_TYPE_NOSNIFF = True

# Redis caching
CACHES = {
    "default": {
        "BACKEND": "django_redis.cache.RedisCache",
        "LOCATION": os.getenv("REDIS_URL", "redis://127.0.0.1:6379/1"),
        "OPTIONS": {
            "CLIENT_CLASS": "django_redis.client.DefaultClient",
        }
    }
}

# Production Logging
LOGGING = {
    "version": 1,
    "disable_existing_loggers": False,
    "formatters": {
        "verbose": {
            "format": "{levelname} {asctime} {module} {process:d} {thread:d} {message}",
            "style": "{",
        },
    },
    "handlers": {
        "console": {
            "level": "INFO",
            "class": "logging.StreamHandler",
            "formatter": "verbose",
        },
    },
    "root": {
        "handlers": ["console"],
        "level": "INFO",
    },
    "loggers": {
        "django": {
            "handlers": ["console"],
            "level": os.getenv("DJANGO_LOG_LEVEL", "INFO"),
            "propagate": False,
        },
    },
}