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


class Config:  # 公共配置
    SECRET_KEY = os.environ.get('SECRET_KEY') or 'hard to guess string'
    FLASKY_ADMIN = os.environ.get('FLASKY_ADMIN')
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    FLASKY_POSTS_PER_PAGE = 5
    FLASKY_PATIENT_PER_PAGE = 5

    @staticmethod
    def init_app(app):
        pass


class DevelopmentConfig(Config):
    DEBUG = True
    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or \
        'mysql+pymysql://root:123456@localhost/covid_detector'


class ProductionConfig(Config):
    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or \
        'mysql+pymysql://root:123456@localhost/covid_detector'


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