import os
import secrets

basedir = os.path.abspath(os.path.dirname(__file__))


class Config(object):
    SECRET_KEY = os.environ.get('SECRET_KEY') or secrets.token_hex(24)
    SQLALCHEMY_DATABASE_URI = os.environ.get(
        'DATABASE_URL') or 'sqlite:///' + os.path.join(basedir, 'app.db')
    SQLALCHEMY_TRACK_MODIFICATIONS = False


class ProductionConfig(Config):
    DEBUG = False
    TESTING = False
    DEVELOPMENT = False
    SQLALCHEMY_TRACK_MODIFICATIONS = True


class DevelopmentConfig(Config):
    TESTING: True
    DEVELOPMENT: True
    DEBUG: True