# This Software (Dioptra) is being made available as a public service by the
# National Institute of Standards and Technology (NIST), an Agency of the United
# States Department of Commerce. This software was developed in part by employees of
# NIST and in part by NIST contractors. Copyright in portions of this software that
# were developed by NIST contractors has been licensed or assigned to NIST. Pursuant
# to Title 17 United States Code Section 105, works of NIST employees are not
# subject to copyright protection in the United States. However, NIST may hold
# international copyright in software created by its employees and domestic
# copyright (or licensing rights) in portions of software that were assigned or
# licensed to NIST. To the extent that NIST holds copyright in this software, it is
# being made available under the Creative Commons Attribution 4.0 International
# license (CC BY 4.0). The disclaimers of the CC BY 4.0 license apply to all parts
# of the software developed or licensed by NIST.
#
# ACCESS THE FULL CC BY 4.0 LICENSE HERE:
# https://creativecommons.org/licenses/by/4.0/legalcode
"""A module for the Flask configuration environments.

There are three configuration environments available,

- **dev:** The configuration for interactive development sessions.
- **prod:** The configuration for production environments.
- **test:** The configuration for running unit tests.
"""

import os
from typing import List, Type


class BaseConfig(object):
    CONFIG_NAME = "base"
    USE_MOCK_EQUIVALENCY = False
    DEBUG = False
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    WTF_CSRF_ENABLED = False
    AI_PLUGINS_BUCKET = os.getenv("AI_PLUGINS_BUCKET", "plugins")


class DevelopmentConfig(BaseConfig):
    CONFIG_NAME = "dev"
    SECRET_KEY = os.getenv("AI_DEPLOY_SECRET_KEY", "deploy123")
    DEBUG = True
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    TESTING = False
    SQLALCHEMY_DATABASE_URI = os.getenv(
        "AI_RESTAPI_DEV_DATABASE_URI",
        f"sqlite:///{os.path.join(os.getcwd(), 'securingai-dev.db')}",
    )


class TestingConfig(BaseConfig):
    CONFIG_NAME = "test"
    SECRET_KEY = os.getenv("AI_DEPLOY_SECRET_KEY", "deploy123")
    DEBUG = True
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    TESTING = True
    WTF_CSRF_ENABLED = False
    SQLALCHEMY_DATABASE_URI = os.getenv("AI_RESTAPI_TEST_DATABASE_URI", "sqlite://")


class ProductionConfig(BaseConfig):
    CONFIG_NAME = "prod"
    SECRET_KEY = os.getenv("AI_DEPLOY_SECRET_KEY", "deploy123")
    DEBUG = False
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    TESTING = False
    SQLALCHEMY_DATABASE_URI = os.getenv(
        "AI_RESTAPI_DATABASE_URI",
        f"sqlite:///{os.path.join(os.getcwd(), 'securingai.db')}",
    )


EXPORT_CONFIGS: List[Type[BaseConfig]] = [
    DevelopmentConfig,
    TestingConfig,
    ProductionConfig,
]
config_by_name = {cfg.CONFIG_NAME: cfg for cfg in EXPORT_CONFIGS}
