# ai/settings.py
import os
from pathlib import Path
from dotenv import load_dotenv

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

# Load environment variables from .env
load_dotenv(os.path.join(BASE_DIR, '.env'))

SECRET_KEY = os.getenv('SECRET_KEY')

DEBUG = True

ALLOWED_HOSTS = ['ai-chatbot-integration.painlessarts.com', '127.0.0.1', 'localhost']

AUTH_USER_MODEL = "chatbot.CustomUser"

# Application definition
INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.sites',  # Kept for allauth
    'django_extensions',  # For custom user model
    # Allauth
    'allauth',
    'allauth.account',
    'allauth.socialaccount',
    'allauth.socialaccount.providers.google',
    'anymail',
    'chatbot',  # Your custom app
]

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',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'ai.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',
            ],
        },
    },
]

WSGI_APPLICATION = 'ai.wsgi.application'

# Database
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': os.getenv('DB_NAME'),
        'USER': os.getenv('DB_USER'),
        'PASSWORD': os.getenv('DB_PASSWORD'),
        'HOST': os.getenv('DB_HOST'),
        'PORT': os.getenv('DB_PORT'),
    }
}

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'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_TZ = True

STATIC_URL = 'static/'
STATIC_ROOT = BASE_DIR / 'static'

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

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

# Required for django.contrib.sites
SITE_ID = 1

# Allauth settings
AUTHENTICATION_BACKENDS = [
    'django.contrib.auth.backends.ModelBackend',
    'allauth.account.auth_backends.AuthenticationBackend',
]

ACCOUNT_LOGIN_METHODS = {'email'}  # Login via email only
ACCOUNT_SIGNUP_FIELDS = ['email*', 'password1*', 'password2*']  # Email, password, confirm password
ACCOUNT_EMAIL_VERIFICATION = 'mandatory'  # Require email verification
ACCOUNT_UNIQUE_EMAIL = True  # Ensure emails are unique
LOGIN_REDIRECT_URL = '/'  # Redirect to homepage after login
ACCOUNT_LOGOUT_REDIRECT_URL = '/'
ACCOUNT_SIGNUP_FORM_CLASS = None
LOGIN_REDIRECT_URL = '/'
# Anymail settings for Brevo
ANYMAIL = {
    "BREVO_API_KEY": os.getenv("BREVO_API_KEY"),
}
EMAIL_BACKEND = "anymail.backends.brevo.EmailBackend"
DEFAULT_FROM_EMAIL = os.getenv("EMAIL_SENDER")

LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'handlers': {
        'file': {
            'level': 'DEBUG',
            'class': 'logging.FileHandler',
            'filename': os.path.join(BASE_DIR, 'logs', 'debug.log'),
        },
    },
    'loggers': {
        'django': {
            'handlers': ['file'],
            'level': 'DEBUG',
            'propagate': True,
        },
    },
}

GEMINI_API_KEY = os.getenv('GEMINI_API_KEY')