import os
import dj_database_url


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


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

os.environ["CRAWL4AI_DB_PATH"] = "/tmp/.crawl4ai"

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.environ.get('SECRET_KEY')

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

ALLOWED_HOSTS = os.environ.get('ALLOWED_HOSTS', '').split(',') if os.environ.get('ALLOWED_HOSTS') else []
# CORS settings
CORS_ALLOWED_ORIGINS = os.environ.get('CORS_ALLOWED_ORIGINS', '').split(',') if os.environ.get('CORS_ALLOWED_ORIGINS') else []

CORS_ALLOW_ALL_ORIGINS = os.environ.get('CORS_ALLOW_ALL_ORIGINS', 'False').lower() in ('true', '1', 'yes')
CORS_ALLOW_CREDENTIALS = True
# Application definition

INSTALLED_APPS = [
    'jazzmin',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
    'bot',
    'corsheaders',
    'channels',
]

MIDDLEWARE = [
    'corsheaders.middleware.CorsMiddleware',
    'bot.middleware.CustomMiddleware',
    '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 = 'backend.urls'

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



# Database
# https://docs.djangoproject.com/en/5.0/ref/settings/#databases

DATABASES = {
    'default': dj_database_url.config(
        default=os.getenv("DATABASE_URL"),
        conn_max_age=600,
        conn_health_checks=True
    )
}


# Password validation
# https://docs.djangoproject.com/en/5.0/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/5.0/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'Asia/Kolkata'

USE_I18N = True

USE_TZ = True

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

STATIC_URL = '/static/'
# STATIC_ROOT = os.path.join(BASE_DIR,'staticfiles')

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

AUTH_USER_MODEL = 'bot.User'

STATICFILES_DIRS = [
    BASE_DIR / 'static'
]


REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES':(
        'rest_framework_simplejwt.authentication.JWTAuthentication',
    ),
    'EXCEPTION_HANDLER': 'bot.core.custom_exception_handler',
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 10,
}

SIMPLE_JWT = {
    "ACCESS_TOKEN_LIFETIME": timedelta(days=15),  # Change as needed
    "REFRESH_TOKEN_LIFETIME": timedelta(days=7),     # Change as needed
    "ROTATE_REFRESH_TOKENS": False,
    "BLACKLIST_AFTER_ROTATION": True,
    "ALGORITHM": "HS256",
    "SIGNING_KEY": SECRET_KEY,
    "AUTH_HEADER_TYPES": ("Bearer",),
    "AUTH_TOKEN_CLASSES": ("rest_framework_simplejwt.tokens.AccessToken",),
}

# Redis for channel layers (used for broadcasting)
REDIS_HOST = os.getenv('REDIS_HOST', '127.0.0.1')
REDIS_PORT = os.getenv('REDIS_PORT', '6379')
REDIS_PASSWORD = os.getenv('REDIS_PASSWORD')

if REDIS_PASSWORD:
    redis_url = f"redis://:{REDIS_PASSWORD}@{REDIS_HOST}:{REDIS_PORT}/0"
else:
    redis_url = f"redis://{REDIS_HOST}:{REDIS_PORT}/0"

CHANNEL_LAYERS = {
    'default': {
        'BACKEND': 'channels_redis.core.RedisChannelLayer',
        'CONFIG': {
            "hosts": [redis_url],
        },
    },
}

CELERY_BROKER_URL = os.getenv("CELERY_BROKER_URL", "amqp://guest:guest@localhost:5672//")
CELERY_RESULT_BACKEND = os.getenv("CELERY_RESULT_BACKEND", "rpc://")
# in settings.py
CELERY_TASK_DEFAULT_QUEUE=os.environ.get('CELERY_TASK_DEFAULT_QUEUE', 'default')


# Optional for production
CELERY_TASK_TRACK_STARTED = True
CELERY_TASK_TIME_LIMIT = 240 * 60 # 4 Hours
CELERY_TASK_SOFT_TIME_LIMIT = 240 * 60 # 4 Hours
CELERY_ACCEPT_CONTENT = ['json']
CELERY_TASK_SERIALIZER = 'json'
EXECUTABLE_PATH=os.environ.get('EXECUTABLE_PATH_CHROMIUM')

UPLOADTHING_SECRET=os.environ.get("UPLOADTHING_SECRET")
UPLOADTHING_APP_ID=os.environ.get("UPLOADTHING_APP_ID")
UPLOADTHING_REGION=os.environ.get('UPLOADTHING_REGION')
PROXIES=os.environ.get('PROXIES').split(",")
PROXY_LIST = [p.strip() for p in PROXIES if p.strip()]
if not PROXY_LIST:
    raise ValueError("No proxies found in .env file under PROXIES key")

SCRAPE_IMAGE=os.environ.get('SCRAPE_IMAGE')

LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'handlers': {
        'console': {
            'class': 'logging.StreamHandler',
        },
    },
    'root': {
        'handlers': ['console'],
        'level': 'INFO',
    },
}