import os

from pathlib import Path

from dotenv import load_dotenv

from input.utils.settings import env, password_validators

BASE_DIR = Path(__file__).parents[1]

load_dotenv(BASE_DIR / '.env')

DEBUG = env('DEBUG', False)

SECRET_KEY = env('SECRET_KEY')

ALLOWED_HOSTS = ['*']

HOST = env('HOST', 'http://localhost:8000')

INSTALLED_APPS = [
    'input.apps.InputConfig',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'formtools',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.locale.LocaleMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'foerderbarometer.urls'

DJANGO_TEMPLATES = {
    'BACKEND': 'django.template.backends.django.DjangoTemplates',
    'DIRS': [],
    'APP_DIRS': True,
    'OPTIONS': {
        'context_processors': [
            'django.template.context_processors.debug',
            'django.template.context_processors.request',
            'django.contrib.auth.context_processors.auth',
            'django.contrib.messages.context_processors.messages',
        ],
    },
}

TEMPLATES = [DJANGO_TEMPLATES]

WSGI_APPLICATION = 'foerderbarometer.wsgi.application'

DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'

DATABASE_ENGINE = env('DATABASE_ENGINE', 'mysql')

DATABASE_SQLITE = {
    'ENGINE': 'django.db.backends.sqlite3',
    'NAME': BASE_DIR / 'db.sqlite3',
}

DATABASE_MYSQL = {
    'ENGINE': 'django.db.backends.mysql',
    'NAME': env('DATABASE_NAME', 'fdb'),
    'USER': env('DATABASE_USER', 'fdb'),
    'PASSWORD': env('DATABASE_PASSWORD'),
    'HOST': env('DATABASE_HOST', 'localhost'),
    'PORT': env('DATABASE_PORT', 3306),
    'OPTIONS': {
        'charset' : 'utf8',
        'use_unicode' : True,
        'init_command': 'SET '
                        'storage_engine=INNODB,'
                        'character_set_connection=utf8,'
                        'collation_connection=utf8_bin'
    },
    'TEST_CHARSET': 'utf8',
    'TEST_COLLATION': 'utf8_general_ci',
}

if DATABASE_ENGINE == 'mysql':
    DATABASE_DEFAULT = DATABASE_MYSQL
else:
    DATABASE_DEFAULT = DATABASE_SQLITE

DATABASES = {
    'default': DATABASE_DEFAULT,
}

EMAIL_BACKEND = env('EMAIL_BACKEND', 'console')

if EMAIL_BACKEND == 'smtp':
    EMAIL_HOST = env('EMAIL_HOST', 'email.wikimedia.de')
    EMAIL_PORT = env('EMAIL_PORT', 587)
    EMAIL_USE_TLS = env('EMAIL_USE_TLS', True)
    EMAIL_HOST_USER = env('EMAIL_HOST_USER')
    EMAIL_HOST_PASSWORD = env('EMAIL_HOST_PASSWORD')

EMAIL_BACKEND = f'django.core.mail.backends.{EMAIL_BACKEND}.EmailBackend'
EMAIL_URL_PREFIX = env('EMAIL_URL_PREFIX', HOST)

AUTH_PASSWORD_VALIDATORS = password_validators(
    'UserAttributeSimilarityValidator',
    'MinimumLengthValidator',
    'CommonPasswordValidator',
    'NumericPasswordValidator',
)

USE_I18N = True
USE_L10N = True
LANGUAGE_CODE = env('LANGUAGE_CODE', 'en-us')

USE_TZ = True
TIME_ZONE = env('TIME_ZONE', 'UTC')

STATIC_ROOT = BASE_DIR / 'staticfiles'
STATIC_URL = '/static/'

FORM_RENDERER = 'input.forms.TableFormRenderer'

if OAUTH_ENABLED := env('OAUTH_ENABLED', not DEBUG):
    MIDDLEWARE += ['input.middleware.oauth.OAuthMiddleware']

OAUTH_CLIENT_NAME = env('OAUTH_CLIENT_NAME')

OAUTH_CLIENT = {
    'client_id': env('OAUTH_CLIENT_ID'),
    'client_secret': env('OAUTH_CLIENT_SECRET'),
    'access_token_url': 'https://meta.wikimedia.org/w/rest.php/oauth2/access_token',
    'authorize_url': 'https://meta.wikimedia.org/w/rest.php/oauth2/authorize',
    'api_base_url': 'https://meta.wikimedia.org/w/rest.php/oauth2/resource',
    'redirect_uri': env('OAUTH_REDIRECT_URI', f'{HOST}/oauth/callback'),
    'client_kwargs': {
        'scope': 'basic',
        'token_placement': 'header'
    },
    'userinfo_endpoint': 'resource/profile',
}

OAUTH_URL_WHITELISTS = ['/admin']

OAUTH_COOKIE_SESSION_ID = 'sso_session_id'

IF_EMAIL = env('IF_EMAIL', 'community@wikimedia.de')

SURVEY_EMAIL = env('SURVEY_EMAIL', 'sandro.halank@wikimedia.de')
SURVEY_PREFIX = env('SURVEY_PREFIX', 'https://wikimedia.sslsurvey.de/Foerderbarometer/?')

DATAPROTECTION = 'https://www.wikimedia.de/datenschutz/#datenerfassung'
FOERDERRICHTLINIEN = 'https://de.wikipedia.org/wiki/Wikipedia:Wikimedia_Deutschland/Richtlinie_zur_Förderung_der_Communitys'

NUTZUNGSBEDINGUNGEN = 'static/input/nutzungsbedingungen.html'
NUTZUNGSBEDINGUNGEN_EMAIL_SERVICE = 'static/input/nutzungsbedingungen-mail.pdf'
NUTZUNGSBEDINGUNGEN_MAILINGLISTEN = 'static/input/nutzungsbedingungen-mailinglisten.pdf'
NUTZUNGSBEDINGUNGEN_LITERATURSTIPENDIUM = 'static/input/nutzungsbedingungen-literaturstipendium.pdf'
NUTZUNGSBEDINGUNGEN_OTRS = 'static/input/2025_Nutzungsvereinbarung_OTRS.docx.pdf'
NUTZUNGSBEDINGUNGEN_VISITENKARTEN = 'static/input/nutzungsbedingungen-visitenkarten.pdf'