import os
import logging
from dotenv import load_dotenv

BASEDIR = os.path.abspath(os.path.dirname(__file__))
load_dotenv(os.path.join(BASEDIR, ".env"))


class Config:
    """General configuration. Mostly loaded from environment via .env"""

    FLASK_ENV = None  # # set in subclass
    SECRET_KEY = os.environ.get("SECRET_KEY") or "90e01e751977d4276a4c70d98564b425e"
    LOG_TO_STDOUT = os.environ.get("LOG_TO_STDOUT")
    LOG_LEVEL = getattr(logging, os.environ.get("LOG_LEVEL", "INFO"), "INFO")
    MAIL_SERVER = os.environ.get("MAIL_SERVER", "localhost")
    LANGUAGES = ["fr", "en"]  # unused for now
    ADMIN_MAIL = os.environ.get("ADMIN_MAIL")
    ADMIN_LOGIN = os.environ.get("ADMIN_LOGIN") or "admin"
    ADMINS = [ADMIN_MAIL]
    ERR_MAIL = os.environ.get("ERR_MAIL")
    # Le "from" des mails émis. Attention: peut être remplacée par la préférence email_from_addr:
    MAIL_FROM = os.environ.get("MAIL_FROM") or ("no-reply@" + MAIL_SERVER)

    AUTOSCO_DIR = os.environ.get("AUTOSCO_DIR", "/opt/autosco")
    AUTOSCO_VAR_DIR = os.environ.get("AUTOSCO_VAR_DIR", "/opt/autosco-data")
    AUTOSCO_LOG_FILE = os.path.join(AUTOSCO_VAR_DIR, "log", "autosco.log")
    # evite confusion avec le log nginx scodoc_error.log:
    AUTOSCO_ERR_FILE = os.path.join(AUTOSCO_VAR_DIR, "log", "autosco_exc.log")
    #
    MAX_CONTENT_LENGTH = 16 * 1024 * 1024  # Flask uploads (16Mo, en ligne avec nginx)
    # flask_json:
    JSON_ADD_STATUS = False
    JSON_USE_ENCODE_METHODS = True
    JSON_DATETIME_FORMAT = "%Y-%m-%dT%H:%M:%S%z"  # "%Y-%m-%dT%H:%M:%S"


class ProdConfig(Config):
    "mode production, normalement derrière nginx/gunicorn"

    FLASK_ENV = "production"
    DEBUG = False
    TESTING = False
    PREFERRED_URL_SCHEME = "https"


class DevConfig(Config):
    "mode développement"

    FLASK_ENV = "development"
    DEBUG = True
    TESTING = False
    SECRET_KEY = os.environ.get("DEV_SECRET_KEY") or "cc4fbec7d9a34eb69a7e3e710087d87a"


class TestConfig(DevConfig):
    "Pour les tests unitaires"

    TESTING = True
    DEBUG = False
    SERVER_NAME = os.environ.get("AUTOSCO_TEST_SERVER_NAME") or "autotest.gr"
    SECRET_KEY = os.environ.get("TEST_SECRET_KEY") or "c8ecff5db1592c308f563ff30e0f6bbc"


class TestAPIConfig(Config):
    "Pour les tests de l'API"

    FLASK_ENV = "test_api"
    TESTING = False
    DEBUG = True
    SECRET_KEY = os.environ.get("TEST_SECRET_KEY") or "d8ecff5db15946789Hhahbh88aja276"


mode = os.environ.get("FLASK_ENV", "production")
if mode == "production":
    RunningConfig = ProdConfig
elif mode == "development":
    RunningConfig = DevConfig
elif mode == "test":
    RunningConfig = TestConfig
elif mode == "test_api":
    RunningConfig = TestAPIConfig