"""
Django settings for rosterchief project.

Generated by 'django-admin startproject' using Django 6.0.6.

For more information on this file, see
https://docs.djangoproject.com/en/6.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/6.0/ref/settings/
"""

from pathlib import Path

from decouple import Csv, config
from dj_database_url import parse as db_url

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/6.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = config("DJANGO_SECRET_KEY")

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = config("DJANGO_DEBUG", default=False, cast=bool)

ALLOWED_HOSTS = config("DJANGO_ALLOWED_HOSTS", cast=Csv(), default="")
INTERNAL_IPS = config("DJANGO_INTERNAL_IPS", cast=Csv(), default="127.0.0.1")

CSRF_TRUSTED_ORIGINS = config("DJANGO_CSRF_TRUSTED_ORIGINS", cast=Csv(), default="")


# Application definition

INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "phonenumber_field",
    "lucide",
    # Auth: allauth deliberately WITHOUT django.contrib.sites — it is optional in
    # allauth 65+, and ARCHITECTURE.md §2.4 rejects the Sites framework (Club is
    # the tenant root, not Site).
    "allauth",
    "allauth.account",
    "allauth.mfa",
    "club.apps.ClubConfig",
    "authentication.apps.AuthenticationConfig",
    "members.apps.MembersConfig",
    "teams.apps.TeamsConfig",
    "events.apps.EventsConfig",
    "formbuilder.apps.FormbuilderConfig",
    "shop.apps.ShopConfig",
    "waffle",
    "features.apps.FeaturesConfig",
    "controlpanel.apps.ControlpanelConfig",
]

# Feature flags (django-waffle). The Flag model is swappable, like AUTH_USER_MODEL:
# ours adds a `clubs` M2M so a feature can be turned on per tenant. Because the
# tenant middleware sets request.club, `flag_is_active(request, "x")` just works.
WAFFLE_FLAG_MODEL = "features.Flag"

MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.csrf.CsrfViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "allauth.account.middleware.AccountMiddleware",
    "authentication.middleware.RequireMFAMiddleware",
    "club.tenancy.ClubTenantMiddleware",
    "django.contrib.messages.middleware.MessageMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
]

# Reload the browser when templates, static files or Python change. Dev only: it
# injects a script tag into every HTML response and serves an open event stream,
# neither of which belongs in production.
if DEBUG:
    INSTALLED_APPS += ["django_browser_reload"]
    MIDDLEWARE += ["django_browser_reload.middleware.BrowserReloadMiddleware"]

AUTHENTICATION_BACKENDS = [
    "django.contrib.auth.backends.ModelBackend",
    "allauth.account.auth_backends.AuthenticationBackend",
]

# Multi-tenancy: base domain whose subdomains resolve to a club, e.g.
# "ajax-united.rosterchief.app" -> the club with slug "ajax-united". Leave
# unset to fall back to generic "slug.example.com" (3+ label) resolution.
ROSTERCHIEF_BASE_DOMAIN = config("ROSTERCHIEF_BASE_DOMAIN", default="")

ROOT_URLCONF = "rosterchief.urls"

AUTH_USER_MODEL = "authentication.User"


# Authentication (django-allauth)

LOGIN_URL = "account_login"
LOGIN_REDIRECT_URL = "/"

# The User model logs in by email and has no username field.
ACCOUNT_USER_MODEL_USERNAME_FIELD = None
ACCOUNT_LOGIN_METHODS = {"email"}
ACCOUNT_SIGNUP_FIELDS = ["email*", "password1*", "password2*"]
ACCOUNT_EMAIL_VERIFICATION = "none"


# Two-factor authentication (allauth.mfa)

MFA_SUPPORTED_TYPES = ["totp", "webauthn", "recovery_codes"]

# Passkeys are a first factor: sign in with Touch ID / a security key alone.
MFA_PASSKEY_LOGIN_ENABLED = True
MFA_PASSKEY_SIGNUP_ENABLED = False

# WebAuthn needs a secure context. Browsers treat *.localhost as secure, but the
# dev server is plain HTTP, so allow the insecure origin while DEBUG.
MFA_WEBAUTHN_ALLOW_INSECURE_ORIGIN = DEBUG

# A passkey is bound to a Relying Party ID (a domain). Our adapter pins it to
# ROSTERCHIEF_BASE_DOMAIN so that ONE passkey works across every club subdomain
# — allauth's default (the request host) would bind it to a single club.
MFA_ADAPTER = "authentication.adapters.RosterChiefMFAAdapter"
MFA_WEBAUTHN_RP_NAME = config("ROSTERCHIEF_RP_NAME", default="RosterChief")

# Where RequireMFAMiddleware sends privileged users who haven't enrolled yet.
MFA_ENROLMENT_URL_NAME = "mfa_index"


# Sessions are shared across club subdomains: log in once and you're authenticated
# on every club (matching the one-passkey-everywhere model). Tenancy still scopes
# what you can *see* — that is the access service's job, not the cookie's.
# Browsers reject a Domain attribute on localhost, so it stays host-only in dev.
SHARED_COOKIE_DOMAIN = f".{ROSTERCHIEF_BASE_DOMAIN}" if ROSTERCHIEF_BASE_DOMAIN and ROSTERCHIEF_BASE_DOMAIN != "localhost" else None

SESSION_COOKIE_DOMAIN = config("DJANGO_SESSION_COOKIE_DOMAIN", default=SHARED_COOKIE_DOMAIN)
CSRF_COOKIE_DOMAIN = config("DJANGO_CSRF_COOKIE_DOMAIN", default=SHARED_COOKIE_DOMAIN)

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "DIRS": [BASE_DIR / "templates"],
        "APP_DIRS": True,
        "OPTIONS": {
            "context_processors": [
                "django.template.context_processors.request",
                "django.contrib.auth.context_processors.auth",
                "django.contrib.messages.context_processors.messages",
                "club.context_processors.branding",
            ],
        },
    },
]

WSGI_APPLICATION = "rosterchief.wsgi.application"


# Database
# https://docs.djangoproject.com/en/6.0/ref/settings/#databases

DATABASES = {
    "default": config("DJANGO_DATABASE_URL", default="sqlite:///db.sqlite3", cast=db_url),
}


# Password validation
# https://docs.djangoproject.com/en/6.0/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
    },
    {
        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
    },
    {
        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
    },
    {
        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
    },
]


# Internationalization
# https://docs.djangoproject.com/en/6.0/topics/i18n/

LANGUAGE_CODE = "en-us"

TIME_ZONE = config("DJANGO_TIME_ZONE", default="Europe/Brussels", cast=str)

USE_I18N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/6.0/howto/static-files/

STATIC_URL = "static/"
STATIC_ROOT = BASE_DIR / "staticfiles"
STATICFILES_DIRS = [BASE_DIR / "static"]

MEDIA_URL = "media/"
MEDIA_ROOT = BASE_DIR / "media"


# Phone numbers (django-phonenumber-field)

PHONENUMBER_DEFAULT_REGION = "BE"
PHONENUMBER_DB_FORMAT = "E164"
