"""
Django settings for config project.

Generated by 'django-admin startproject' using Django 6.1.1.

For more information on this file, see
https://docs.djangoproject.com/en/6.1/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/6.1/ref/settings/
"""

from pathlib import Path
from datetime import timedelta
from dotenv import load_dotenv
import os

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


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/6.1/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.getenv('DJANGO_SECRET_KEY', 'unsafe-development-key-change-me')

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = os.getenv('DJANGO_DEBUG', 'true').lower() == 'true'

ALLOWED_HOSTS = os.getenv('DJANGO_ALLOWED_HOSTS', 'localhost,127.0.0.1,testserver').split(',')


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',

    # Third-party
    'rest_framework',
    'rest_framework.authtoken',
    'corsheaders',

    # Local apps
    'accounts',
    'core',
]


MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
        'corsheaders.middleware.CorsMiddleware',
    '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',
]
AUTH_USER_MODEL = 'accounts.User'

ROOT_URLCONF = 'config.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        '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 = 'config.wsgi.application'


# Database
# https://docs.djangoproject.com/en/6.1/ref/settings/#databases

if os.getenv('USE_SQLITE', 'false').lower() == 'true':
    DATABASES = {'default': {'ENGINE': 'django.db.backends.sqlite3', 'NAME': BASE_DIR / 'db.sqlite3'}}
else:
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.mysql',
            'NAME': os.getenv('MYSQL_DATABASE', 'campus_coin'),
            'USER': os.getenv('MYSQL_USER', 'root'),
            'PASSWORD': os.getenv('MYSQL_PASSWORD', ''),
            'HOST': os.getenv('MYSQL_HOST', '127.0.0.1'),
            'PORT': os.getenv('MYSQL_PORT', '3306'),
            'OPTIONS': {'charset': 'utf8mb4', 'init_command': "SET sql_mode='STRICT_TRANS_TABLES'"},
        }
    }


# Password validation
# https://docs.djangoproject.com/en/6.1/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/6.1/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'Africa/Lagos'

USE_I18N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/6.1/howto/static-files/

STATIC_URL = 'static/'


# Development password-reset emails are printed in the terminal. Configure SMTP in production.
EMAIL_BACKEND = os.getenv('EMAIL_BACKEND', 'django.core.mail.backends.console.EmailBackend')
DEFAULT_FROM_EMAIL = os.getenv('DEFAULT_FROM_EMAIL', 'noreply@campuscoin.local')
# Django REST Framework
REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework.authentication.TokenAuthentication',
        'rest_framework.authentication.SessionAuthentication',
    ],
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticated',
    ],
}

# CORS (allow React frontend to talk to the API)
CORS_ALLOW_ALL_ORIGINS = True   # for development only

REST_FRAMEWORK['DEFAULT_AUTHENTICATION_CLASSES'].insert(
    0, 'rest_framework_simplejwt.authentication.JWTAuthentication'
)

# Keep signed-in users signed in: a short access token used to bounce
# people back to /login mid-session whenever a page loaded after 5 minutes.
SIMPLE_JWT = {
    'ACCESS_TOKEN_LIFETIME': timedelta(days=1),
    'REFRESH_TOKEN_LIFETIME': timedelta(days=30),
}