import os
from datetime import timedelta


class Config:
    """Base configuration class"""
    SECRET_KEY = os.environ.get('SECRET_KEY', 'dev-key-for-markov-economics')
    MAX_SIMULATION_AGENTS = int(os.environ.get('MAX_AGENTS', 10000))
    SIMULATION_TIMEOUT = int(os.environ.get('TIMEOUT', 300))
    
    # Parameter constraints
    MIN_CAPITAL_RATE = 0.0
    MAX_CAPITAL_RATE = 0.25
    MIN_GROWTH_RATE = 0.0
    MAX_GROWTH_RATE = 0.20
    MIN_AGENTS = 10
    MAX_AGENTS = 10000
    MIN_ITERATIONS = 100
    MAX_ITERATIONS = 100000


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


class ProductionConfig(Config):
    """Production configuration"""
    DEBUG = False
    DEVELOPMENT = False


config = {
    'development': DevelopmentConfig,
    'production': ProductionConfig,
    'default': DevelopmentConfig
}