from pathlib import Path
from decouple import config

BASE_DIR = Path(__file__).resolve().parent.parent.parent

SECRET_KEY = config('SECRET_KEY', default='dev-secret-key-change-in-production')

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    # Third party
    'crispy_forms',
    'crispy_bootstrap5',
    # Local apps
    'accounts',
    'admissions',
    'profiles',
    'communications',
    'portal',
    'website',
    'courses',
    'payments',
    'timetable',
    'certificates',
    'content',
    'grades',
    'django.contrib.humanize',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    '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 = 'config.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR / 'templates'],
        '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',
                'portal.context_processors.admin_permissions',
            ],
        },
    },
]

WSGI_APPLICATION = 'config.wsgi.application'

AUTH_USER_MODEL = 'accounts.User'

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'},
]

LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'Africa/Kampala'
USE_I18N = True
USE_TZ = True

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

MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / 'media'

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

from django.contrib.messages import constants as _msg
MESSAGE_TAGS = {_msg.ERROR: 'danger'}

# Allow same-origin iframes (needed for in-page PDF and media previews)
X_FRAME_OPTIONS = 'SAMEORIGIN'

CRISPY_ALLOWED_TEMPLATE_PACKS = 'bootstrap5'
CRISPY_TEMPLATE_PACK = 'bootstrap5'

LOGIN_URL = '/accounts/login/'
LOGIN_REDIRECT_URL = '/dashboard/'
LOGOUT_REDIRECT_URL = '/accounts/login/'

# Email — override backend in dev/prod settings
EMAIL_HOST = 'mlsfoundationug.org'
EMAIL_PORT = 465
EMAIL_USE_TLS = False
EMAIL_USE_SSL = True
EMAIL_HOST_USER = config('EMAIL_HOST_USER', default='info@mlsfoundationug.org')
EMAIL_HOST_PASSWORD = config('EMAIL_HOST_PASSWORD', default='')
DEFAULT_FROM_EMAIL = 'Mirella & Lino Saputo Foundation <info@mlsfoundationug.org>'
SERVER_EMAIL = DEFAULT_FROM_EMAIL

FOUNDATION_NAME = 'Mirella & Lino Saputo Foundation LTD'
PORTAL_URL = 'https://app.mlsfoundationug.org'

# Flutterwave payment gateway
FLW_PUBLIC_KEY = config('FLW_PUBLIC_KEY', default='FLWPUBK_TEST-374c678581ee1820c8434e2b8ff1d3b9-X')
FLW_SECRET_KEY = config('FLW_SECRET_KEY', default='FLWSECK_TEST-3ad3454556e92ef06a8a13d865bf54da-X')

# Course content file uploads — default 50 MB, max 200 MB
MAX_CONTENT_FILE_SIZE_MB = 50
DATA_UPLOAD_MAX_MEMORY_SIZE = 210 * 1024 * 1024  # 210 MB (headroom above 200 MB limit)
FILE_UPLOAD_MAX_MEMORY_SIZE = 210 * 1024 * 1024