"""
Django settings for osiris project.

Generated by 'django-admin startproject' using Django 6.0.7.

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/
"""

import os
import sys
from pathlib import Path

# 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 = os.environ.get(
    "DJANGO_SECRET_KEY",
    "django-insecure-&fochdl--0ywn6%mk3d!ac2o8c4-w6ck=-f&l-w)j361prk31-",
)

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = os.environ.get("DJANGO_DEBUG", "1") == "1"

ALLOWED_HOSTS = os.environ.get(
    "DJANGO_ALLOWED_HOSTS", "127.0.0.1,localhost,0.0.0.0,osiris.legrems.xyz"
).split(",")

# Needed when reaching the admin from your phone over the LAN or a tunnel.
CSRF_TRUSTED_ORIGINS = [
    o
    for o in os.environ.get(
        "DJANGO_CSRF_TRUSTED_ORIGINS", "https://osiris.legrems.xyz"
    ).split(",")
    if o
]


# Application definition

INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "django_vite",
    "accounts",
    "tracker",
]

MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    # Directly below SecurityMiddleware and above everything else, per WhiteNoise's
    # docs: it serves /static/ itself so no nginx/S3 is needed in front of Django.
    "whitenoise.middleware.WhiteNoiseMiddleware",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.csrf.CsrfViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "django.contrib.messages.middleware.MessageMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
]

ROOT_URLCONF = "osiris.urls"

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",
            ],
        },
    },
]

WSGI_APPLICATION = "osiris.wsgi.application"


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

DATABASES = {
    "default": {
        "ENGINE": "django.db.backends.sqlite3",
        "NAME": BASE_DIR / "db.sqlite3",
    }
}


# 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 = os.environ.get("DJANGO_TIME_ZONE", "Europe/Zurich")

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 / "static"
# PWA icons live in assets/; frontend/dist is the Vite build output. STATIC_ROOT
# is only the collectstatic destination.
STATICFILES_DIRS = [BASE_DIR / "assets", BASE_DIR / "frontend" / "dist"]

# The Vue frontend, served through django-vite's template tags. With
# DJANGO_VITE_DEV=1 the tags point at the Vite dev server (make front-dev) for
# hot reload; otherwise they resolve hashed files from the built manifest.
DJANGO_VITE = {
    "default": {
        "dev_mode": os.environ.get("DJANGO_VITE_DEV", "0") == "1",
        "manifest_path": BASE_DIR / "frontend" / "dist" / ".vite" / "manifest.json",
    }
}

STORAGES = {
    "default": {"BACKEND": "django.core.files.storage.FileSystemStorage"},
    "staticfiles": {
        # Hashes each file's contents into its name and gzip/brotli-compresses it,
        # so WhiteNoise can serve it with a far-future cache header.
        "BACKEND": "whitenoise.storage.CompressedManifestStaticFilesStorage",
    },
}

if "test" in sys.argv:
    # The manifest storage refuses to serve anything collectstatic hasn't seen,
    # which would make every template that names a static file fail under test.
    STORAGES["staticfiles"] = {
        "BACKEND": "django.contrib.staticfiles.storage.StaticFilesStorage"
    }

# Default primary key field type
DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

AUTH_USER_MODEL = "accounts.User"

# The admin is the web UI; there is no separate login page and no registration.
LOGIN_URL = "/admin/login/"
LOGIN_REDIRECT_URL = "/admin/"

# Keep the phone logged in for a year instead of re-prompting every session.
SESSION_COOKIE_AGE = 365 * 24 * 60 * 60
SESSION_SAVE_EVERY_REQUEST = True

# Web Push (medication reminders). Generate the pair once with:
#   uv run python manage.py generate_vapid_keys
# then put both values in the environment. Without them, reminders are simply
# disabled — the rest of the app works untouched.
VAPID_PUBLIC_KEY = os.environ.get("VAPID_PUBLIC_KEY", "")
VAPID_PRIVATE_KEY = os.environ.get("VAPID_PRIVATE_KEY", "")
# Push services require a contact address for the key owner.
VAPID_CLAIM_EMAIL = os.environ.get("VAPID_CLAIM_EMAIL", "flamelegrems@gmail.com")