from distutils.version import StrictVersion
from itertools import chain
from typing import Set

from decouple import config
from teal.auth import TokenAuth
from teal.config import Config
from teal.enums import Currency
from teal.utils import import_resource

from ereuse_devicehub.resources import (
    action,
    agent,
    deliverynote,
    inventory,
    lot,
    tag,
    user,
)
from ereuse_devicehub.resources.device import definitions
from ereuse_devicehub.resources.documents import documents
from ereuse_devicehub.resources.enums import PriceSoftware
from ereuse_devicehub.resources.licences import licences
from ereuse_devicehub.resources.metric import definitions as metric_def
from ereuse_devicehub.resources.tradedocument import definitions as tradedocument
from ereuse_devicehub.resources.versions import versions


class DevicehubConfig(Config):
    RESOURCE_DEFINITIONS = set(
        chain(
            import_resource(definitions),
            import_resource(action),
            import_resource(user),
            import_resource(tag),
            import_resource(agent),
            import_resource(lot),
            import_resource(deliverynote),
            import_resource(documents),
            import_resource(tradedocument),
            import_resource(inventory),
            import_resource(versions),
            import_resource(licences),
            import_resource(metric_def),
        ),
    )
    PASSWORD_SCHEMES = {'pbkdf2_sha256'}  # type: Set[str]
    SECRET_KEY = config('SECRET_KEY')
    DB_USER = config('DB_USER', 'dhub')
    DB_PASSWORD = config('DB_PASSWORD', 'ereuse')
    DB_HOST = config('DB_HOST', 'localhost')
    DB_DATABASE = config('DB_DATABASE', 'devicehub')
    DB_SCHEMA = config('DB_SCHEMA', 'dbtest')
    SQLALCHEMY_DATABASE_URI = 'postgresql://{user}:{pw}@{host}/{db}'.format(
        user=DB_USER,
        pw=DB_PASSWORD,
        host=DB_HOST,
        db=DB_DATABASE,
    )  # type: str
    SCHEMA = config('SCHEMA', 'dbtest')
    HOST = config('HOST', 'localhost')
    API_HOST = config('API_HOST', 'localhost')
    MIN_WORKBENCH = StrictVersion('11.0a1')  # type: StrictVersion
    """The minimum version of ereuse.org workbench that this devicehub
    accepts. we recommend not changing this value.
    """
    SCHEMA_WORKBENCH = ["1.0.0"]

    TMP_SNAPSHOTS = config('TMP_SNAPSHOTS', '/tmp/snapshots')
    TMP_LIVES = config('TMP_LIVES', '/tmp/lives')
    LICENCES = config('LICENCES', './licences.txt')
    """This var is for save a snapshots in json format when fail something"""
    API_DOC_CONFIG_TITLE = 'Devicehub'
    API_DOC_CONFIG_VERSION = '0.2'
    API_DOC_CONFIG_COMPONENTS = {'securitySchemes': {'bearerAuth': TokenAuth.API_DOCS}}
    API_DOC_CLASS_DISCRIMINATOR = 'type'

    PRICE_SOFTWARE = PriceSoftware.Ereuse
    PRICE_VERSION = StrictVersion('1.0')
    PRICE_CURRENCY = Currency.EUR
    """Official versions."""

    """Admin email"""
    EMAIL_ADMIN = config('EMAIL_ADMIN', '')
    EMAIL_DEMO = config('EMAIL_DEMO', 'hello@usody.com')

    """Definition of path where save the documents of customers"""
    PATH_DOCUMENTS_STORAGE = config('PATH_DOCUMENTS_STORAGE', '/tmp/')
    JWT_PASS = config('JWT_PASS', '')

    MAIL_SERVER = config('MAIL_SERVER', '')
    MAIL_USERNAME = config('MAIL_USERNAME', '')
    MAIL_PASSWORD = config('MAIL_PASSWORD', '')
    MAIL_PORT = config('MAIL_PORT', 587)
    MAIL_USE_TLS = config('MAIL_USE_TLS', True)
    MAIL_DEFAULT_SENDER = config('MAIL_DEFAULT_SENDER', '')
    API_DLT = config('API_DLT', None)