# Configuration file for Server Monitorizare
import os
from dotenv import load_dotenv

load_dotenv()

class Config:
    """Base configuration"""
    # Database
    DATABASE_PATH = os.getenv('DATABASE_PATH', 'data/database.db')
    
    # Server
    DEBUG = os.getenv('DEBUG', 'False').lower() == 'true'
    PORT = int(os.getenv('PORT', 80))
    HOST = os.getenv('HOST', '0.0.0.0')
    
    # Security
    SECRET_KEY = os.getenv('SECRET_KEY', 'dev-secret-key-change-in-production')
    API_KEY = os.getenv('API_KEY', 'default-api-key')
    
    # Timeouts & Limits
    REQUEST_TIMEOUT = int(os.getenv('REQUEST_TIMEOUT', 30))
    DEVICE_TIMEOUT = int(os.getenv('DEVICE_TIMEOUT', 10))
    BULK_OPERATION_MAX_THREADS = int(os.getenv('BULK_OPERATION_MAX_THREADS', 10))
    
    # Logging
    LOG_LEVEL = os.getenv('LOG_LEVEL', 'INFO')
    LOG_FILE = os.getenv('LOG_FILE', 'logs/app.log')
    LOG_MAX_BYTES = int(os.getenv('LOG_MAX_BYTES', 10485760))  # 10MB
    LOG_BACKUP_COUNT = int(os.getenv('LOG_BACKUP_COUNT', 10))
    
    # Caching
    CACHE_TYPE = os.getenv('CACHE_TYPE', 'simple')
    CACHE_DEFAULT_TIMEOUT = int(os.getenv('CACHE_DEFAULT_TIMEOUT', 300))
    
    # Pagination
    DEFAULT_PAGE_SIZE = int(os.getenv('DEFAULT_PAGE_SIZE', 20))
    MAX_PAGE_SIZE = int(os.getenv('MAX_PAGE_SIZE', 100))
    
    # Rate Limiting
    RATE_LIMIT_ENABLED = os.getenv('RATE_LIMIT_ENABLED', 'True').lower() == 'true'
    RATE_LIMIT_DEFAULT = os.getenv('RATE_LIMIT_DEFAULT', '200 per day, 50 per hour')
    
    # Backup
    BACKUP_ENABLED = os.getenv('BACKUP_ENABLED', 'True').lower() == 'true'
    BACKUP_DIR = os.getenv('BACKUP_DIR', 'backups')
    BACKUP_RETENTION = int(os.getenv('BACKUP_RETENTION', 10))  # Keep last N backups


class DevelopmentConfig(Config):
    """Development configuration"""
    DEBUG = True
    LOG_LEVEL = 'DEBUG'


class ProductionConfig(Config):
    """Production configuration"""
    DEBUG = False
    LOG_LEVEL = 'INFO'


class TestingConfig(Config):
    """Testing configuration"""
    TESTING = True
    DATABASE_PATH = ':memory:'
    CACHE_TYPE = 'null'
    DEBUG = True


def get_config(env=None):
    """Get configuration based on environment"""
    if env is None:
        env = os.getenv('FLASK_ENV', 'development')
    
    config_map = {
        'development': DevelopmentConfig,
        'production': ProductionConfig,
        'testing': TestingConfig,
    }
    
    return config_map.get(env, DevelopmentConfig)