import os
from pathlib import Path
from dotenv import load_dotenv

load_dotenv()

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

SECRET_KEY = os.getenv('SECRET_KEY', 'change-this-in-production')
DEBUG      = os.getenv('DEBUG', 'True') == 'True'

ALLOWED_HOSTS = [
    'localhost',
    '127.0.0.1',
    '.avighnasolution.in',
    'avighnasolution.in',
]

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'accounts',
    'verification',
    'students',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    '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',
    'accounts.middleware.SubdomainMiddleware',
    'accounts.middleware.TrialExpiryMiddleware',
]

ROOT_URLCONF = 'avighna_site.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',
            'accounts.context_processors.main_domain',
        ],
    },
}]

WSGI_APPLICATION = 'avighna_site.wsgi.application'

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

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     = 'Asia/Kolkata'
USE_I18N      = True
USE_TZ        = True

STATIC_URL       = '/static/'
STATICFILES_DIRS = [BASE_DIR / 'static']
STATIC_ROOT      = BASE_DIR / 'staticfiles'
STORAGES = {
    'staticfiles': {
        'BACKEND': 'whitenoise.storage.CompressedManifestStaticFilesStorage',
    },
}

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

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

LOGIN_URL          = '/login/'
LOGIN_REDIRECT_URL = '/dashboard/'

MAIN_DOMAIN = os.getenv('MAIN_DOMAIN', 'avighnasolution.in')
SITE_URL    = os.getenv('SITE_URL', 'http://127.0.0.1:8000')

# Gmail SMTP
EMAIL_BACKEND       = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST          = 'smtp.gmail.com'
EMAIL_PORT          = 587
EMAIL_USE_TLS       = True
EMAIL_HOST_USER     = os.getenv('EMAIL_HOST_USER', '')
EMAIL_HOST_PASSWORD = os.getenv('EMAIL_HOST_PASSWORD', '')
DEFAULT_FROM_EMAIL  = f"Avighna Solution <{os.getenv('EMAIL_HOST_USER', 'noreply@avighnasolution.in')}>"

# Cashfree Payment Gateway
# ENV: 'sandbox' for testing, 'production' for live
CASHFREE_ENV        = os.getenv('CASHFREE_ENV', 'sandbox')
CASHFREE_APP_ID     = os.getenv('CASHFREE_APP_ID', '')
CASHFREE_SECRET_KEY = os.getenv('CASHFREE_SECRET_KEY', '')