import os


class Config(object):
    """
    全局配置
    """
    SECRET_KEY = "keuyfasdfa"
    SQLALCHEMY_COMMIT_ON_TEARDOWN = True

    @staticmethod
    def __init_app(app):
        pass


class DevelopmentConfig(Config):
    """
    开发环境配置
    """
    DEBUG = True
    SQLALCHEMY_DATABASE_URI = os.environ.get('DEV_DATABASE_URI')
    HOSTNAME = "127.0.0.1"
    PORT = "3306"
    DATABASE = "kuajbang"
    USERNAME = "kuajbang"
    PASSWORD = "adiao"
    DB_URI = "mysql+mysqldb://{}:{}@{}:{}/{}?charset=utf8".format(USERNAME, PASSWORD, HOSTNAME, PORT, DATABASE)


class TestingConfig(Config):
    """
    测试环境配置
    """
    DEBUG = True
    SQLALCHEMY_DATABASE_URI = os.environ.get('TESTING_DATABASE_URI')
    HOSTNAME = "127.0.0.1"
    PORT = "3306"
    DATABASE = "kuajbang"
    USERNAME = "kuajbang"
    PASSWORD = "adiao"
    DB_URI = "mysql+mysqldb://{}:{}@{}:{}/{}?charset=utf8".format(USERNAME, PASSWORD, HOSTNAME, PORT, DATABASE)


class ProductionConfig(Config):
    """
    生产环境配置
    """
    SQLALCHEMY_DATABASE_URI = os.environ.get('PRODUCTION_DATABASE_URI')
    DEBUG = False
    HOSTNAME = "127.0.0.1"
    PORT = "3306"
    DATABASE = "kuajbang"
    USERNAME = "kuajbang"
    PASSWORD = "adiao"
    DB_URI = "mysql+mysqldb://{}:{}@{}:{}/{}?charset=utf8".format(USERNAME, PASSWORD, HOSTNAME, PORT, DATABASE)


"""
总环境字典
"""
config = {
    'development': DevelopmentConfig,
    'testing': TestingConfig,
    'production': ProductionConfig,
    'default': DevelopmentConfig
}