import os


class BaseConfig:
    SECRET_KEY = os.getenv("SECRET_KEY", "pear-admin-flask")

    SQLALCHEMY_DATABASE_URI = ""


class DevelopmentConfig(BaseConfig):
    """开发配置"""

    SQLALCHEMY_DATABASE_URI = "sqlite:///pear_admin.db"
    SQLALCHEMY_TRACK_MODIFICATIONS = False


class TestingConfig(BaseConfig):
    """测试配置"""

    SQLALCHEMY_DATABASE_URI = "sqlite:///:memory:"  # 内存数据库


class ProductionConfig(BaseConfig):
    """生成环境配置"""

    SQLALCHEMY_DATABASE_URI = "mysql://root:root@127.0.0.1:3306/pear_admin"
    SQLALCHEMY_TRACK_MODIFICATIONS = False


config = {"dev": DevelopmentConfig, "test": TestingConfig, "prod": ProductionConfig}