import os
from apispec import APISpec
from apispec.ext.marshmallow import MarshmallowPlugin


def bool_env(name, default=False):
    return os.environ.get(name, default) in ("1", "True", True)


class Settings:
    JSON_LOGS = bool_env("JSON_LOGS", False)
    LOGLEVEL = os.environ.get("LOGLEVEL", "INFO")
    SENTRY_DSN = os.environ.get("SENTRY_DSN")

    SESSION_COOKIE_SECURE = True
    SECRET_KEY = os.environ.get("SESSION_SECRET")

    # Celery
    CELERY = {
        "beat_schedule": "",
        "task_always_eager": bool_env("CELERY_TASK_ALWAYS_EAGER"),
    }

    ALLOWED_HOSTS = os.environ.get("ALLOWED_HOSTS", "").split(",")

    # Atlas auth
    ATLAS_LOGIN_URL = os.environ.get("ATLAS_LOGIN_URL")
    ATLAS_LOGOUT_URL = os.environ.get("ATLAS_LOGOUT_URL")
    ATLAS_REFRESH_TOKEN_URL = os.environ.get("ATLAS_REFRESH_TOKEN_URL")
    ATLAS_PUBLIC_KEY_URL = os.environ.get("ATLAS_PUBLIC_KEY_URL")
    ATLAS_ENCODING_ALGORITHM = os.environ.get(
        "ATLAS_ENCODING_ALGORITHM", "RS256"
    )
    ATLAS_RELATED_CLAIMS_NAMESPACE = os.environ.get(
        "ATLAS_RELATED_CLAIMS_NAMESPACE", "core-notifications"
    )
    ATLAS_BEARER_TOKEN_COOKIE_NAME = os.environ.get(
        "ATLAS_BEARER_TOKEN_COOKIE_NAME", "dna_bearer_token"
    )
    ATLAS_REFRESH_TOKEN_COOKIE_NAME = os.environ.get(
        "ATLAS_REFRESH_TOKEN_COOKIE_NAME", "dna_refresh_token"
    )
    ANALYTICS_USER_ID = "core-notifications"
    ANALYTICS_USER_NAME = "Test email sending"

    # DB
    PGDB_HOST = os.environ.get("PGDB_HOST")
    PGDB_NAME = os.environ.get("PGDB_NAME")
    PGDB_PASS = os.environ.get("PGDB_PASS")
    PGDB_PORT = os.environ.get("PGDB_PORT", "5432")
    PGDB_USER = os.environ.get("PGDB_USER")

    SQLALCHEMY_DATABASE_URI = "postgresql://{}:{}@{}:{}/{}".format(
        PGDB_USER, PGDB_PASS, PGDB_HOST, PGDB_PORT, PGDB_NAME
    )
    SQLALCHEMY_TRACK_MODIFICATIONS = False

    # mail
    MAIL_SERVER = os.environ.get("MAIL_SERVER")
    MAIL_PORT = os.environ.get("MAIL_PORT")
    MAIL_USE_TLS = os.environ.get("MAIL_USE_TLS", False)
    MAIL_USE_SSL = os.environ.get("MAIL_USE_SSL", False)
    MAIL_USERNAME = os.environ.get("MAIL_USERNAME")
    MAIL_PASSWORD = os.environ.get("MAIL_PASSWORD")
    MAIL_DEFAULT_SENDER = os.environ.get("MAIL_DEFAULT_SENDER")
    MAIL_CONFIGURATION_SET = os.environ.get(
        "MAIL_CONFIGURATION_SET", "cmn-delphi-atlas"
    )

    TASK_RETRY_DELAY = 60
    TASK_MAX_RETRIES = 3
    TASK_GET_RESULT_TIMEOUT = 0.3
    TASK_REACHING_LIMITS_RETRY_DELAY = 60 * 10

    FLASK_STATIC_DIGEST_HOST_URL = os.environ.get("STATIC_URL")

    # APISpec
    APISPEC_SWAGGER_UI_URL = "/docs/"
    APISPEC_SWAGGER_URL = "/docs/openapi.json"
    APISPEC_SPEC = APISpec(
        title="Core Notifications API",
        version="v1",
        info={
            "description": "Email notifications service",
            "license": {
                "name": "Proprietary",
            },
        },
        openapi_version="3.0.2",
        plugins=[MarshmallowPlugin()],
        security=[
            {"bearerAuth": []},
            {"cookieAuth": []},
        ],
        components={
            "securitySchemes": {
                "cookieAuth": {
                    "type": "apiKey",
                    "in": "cookie",
                    "name": "dna_bearer_token",
                },
                "bearerAuth": {
                    "type": "http",
                    "scheme": "bearer",
                    "bearerFormat": "JWT",
                },
            },
        },
    )

    ITEMS_PER_PAGE = 10

    # AWS
    MEDIA_URL = os.environ.get("MEDIA_URL")
    MEDIA_BUCKET_NAME = os.environ.get("MEDIA_BUCKET_NAME")
    MEDIA_BUCKET_PATH = os.environ.get("MEDIA_BUCKET_PATH", "images/")

    AMPLITUDE_API_KEY = os.environ.get("AMPLITUDE_API_KEY")

    MAX_LINE_LENGTH = 500