"""
Django settings for core project.

Generated by 'django-admin startproject' using Django 6.0.3.

For more information on this file, see
https://docs.djangoproject.com/en/6.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/6.0/ref/settings/
"""

import os
from pathlib import Path
from decouple import config

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


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/6.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = config('SECRET_KEY', default='django-insecure-3rtts!rrr*3om)-um$5go^(-a@a2q#7he!+j&9caava+^%rw5n')

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = config('DEBUG', default=True, cast=bool)

ALLOWED_HOSTS = config('DJANGO_ALLOWED_HOSTS', default='localhost,127.0.0.1', cast=lambda v: [s.strip() for s in v.split(',')])


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    # 3. Party
    'rest_framework',
    'djoser',
    'drf_spectacular',
    'drf_spectacular_sidecar',
    'django_celery_results',
    'django_celery_beat',
    # My App
    'accounts',
    'namecreate',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'accounts.middleware.AccountExpirationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'core.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR / 'templates']
        ,
        '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 = 'core.wsgi.application'


# Database
# https://docs.djangoproject.com/en/6.0/ref/settings/#databases

USE_POSTGRES = config('USE_POSTGRES', default=False, cast=bool)

if USE_POSTGRES:
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.postgresql',
            'NAME': config('POSTGRES_DB', default='beyhan_blog'),
            'USER': config('POSTGRES_USER', default='beyhan_blog'),
            'PASSWORD': config('POSTGRES_PASSWORD', default='1923btO**'),
            'HOST': config('POSTGRES_HOST', default='212.64.215.243'),
            'PORT': config('POSTGRES_PORT', default='5432'),
            'OPTIONS': {
                'options': '-c search_path=public'
            },
        }
    }
else:
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.sqlite3',
            'NAME': BASE_DIR / 'db.sqlite3',
        }
    }


# Password validation
# https://docs.djangoproject.com/en/6.0/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/6.0/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/6.0/howto/static-files/

STATIC_URL = 'static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'
STATICFILES_DIRS = [
    BASE_DIR / 'static',
]
# Media files (User uploaded files)
MEDIA_URL = 'media/'
MEDIA_ROOT = BASE_DIR / 'media'
STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'

REST_FRAMEWORK = {
    'DEFAULT_SCHEMA_CLASS': 'drf_spectacular.openapi.AutoSchema',
    'DEFAULT_AUTHENTICATION_CLASSES': (
        'rest_framework_simplejwt.authentication.JWTAuthentication',
    ),
}

SPECTACULAR_SETTINGS = {
    'TITLE': 'Your Project API',
    'DESCRIPTION': 'Your project description',
    'VERSION': '1.0.0',
    'SERVE_INCLUDE_SCHEMA': False,
    'SWAGGER_UI_DIST': 'SIDECAR',  # shorthand to use the sidecar instead
    'SWAGGER_UI_FAVICON_HREF': 'SIDECAR',
    'REDOC_DIST': 'SIDECAR',
    'SWAGGER_UI_SETTINGS': {
        'persistAuthorization': True,
    },
}

DJOSER = {
    'LOGIN_FIELD': 'email',
    'USER_ID_FIELD': 'id',
    'USER_CREATE_PASSWORD_RETYPE': True,
    'SERIALIZERS': {
        'user_create': 'accounts.serializers.CustomUserCreateSerializer',
        'current_user': 'accounts.serializers.CustomUserSerializer',
        'user': 'accounts.serializers.CustomUserSerializer',
    },
}

SIMPLE_JWT = {
    'AUTH_HEADER_TYPES': ('Bearer',),
}

# ==============================================================================
# EMAIL CONFIGURATION
# ==============================================================================
EMAIL_BACKEND = config('EMAIL_BACKEND', default='django.core.mail.backends.console.EmailBackend')
EMAIL_HOST = config('EMAIL_HOST', default='localhost')
EMAIL_PORT = config('EMAIL_PORT', default=1025, cast=int)
EMAIL_HOST_USER = config('EMAIL_HOST_USER', default='')
EMAIL_HOST_PASSWORD = config('EMAIL_HOST_PASSWORD', default='')
EMAIL_USE_TLS = config('EMAIL_USE_TLS', default=False, cast=bool)
EMAIL_USE_SSL = config('EMAIL_USE_SSL', default=False, cast=bool)
DEFAULT_FROM_EMAIL = config('DEFAULT_FROM_EMAIL', default='noreply@localhost')

# ==============================================================================
# CELERY & REDIS CONFIGURATION
# ==============================================================================
CELERY_BROKER_URL = config('CELERY_BROKER_URL', default='redis://127.0.0.1:6379/5')
CELERY_RESULT_BACKEND = 'django-db'
CELERY_ACCEPT_CONTENT = ['json']
CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'
CELERY_TIMEZONE = TIME_ZONE
CELERY_BEAT_SCHEDULER = 'django_celery_beat.schedulers:DatabaseScheduler'
CELERY_BEAT_SCHEDULE = {
    'deactivate-expired-users-daily': {
        'task': 'accounts.tasks.deactivate_expired_users_task',
        'schedule': 60 * 60 * 24,
    },
}

CACHES = {
    'default': {
        'BACKEND': 'django_redis.cache.RedisCache',
        'LOCATION': config('CELERY_BROKER_URL', default='redis://127.0.0.1:6379/5'),
        'OPTIONS': {
            'CLIENT_CLASS': 'django_redis.client.DefaultClient',
        },
        'KEY_PREFIX': 'insta',
        'TIMEOUT': 300,  # 5 dakika
    }
}

# ==============================================================================
# CUSTOM USER MODEL
# ==============================================================================
AUTH_USER_MODEL = 'accounts.CustomUser'

# ==============================================================================
# GO SERVICE CONFIGURATION
# ==============================================================================
GO_SERVICE_URL = config('GO_SERVICE_URL', default=None)

# ==============================================================================
# LLM GENERATOR CONFIGURATION
# ==============================================================================
# Ollama icin ornek: http://127.0.0.1:11434/api/chat
# OpenAI uyumlu endpoint icin ornek: https://api.openai.com/v1/chat/completions
LLM_API_URL = config('LLM_API_URL', default='http://127.0.0.1:11434/api/chat')
LLM_MODEL = config('LLM_MODEL', default='llama3.1:8b')
LLM_API_KEY = config('LLM_API_KEY', default='')
LLM_TIMEOUT = config('LLM_TIMEOUT', default=30, cast=int)

# ==============================================================================
# USERNAME REGENERATION SUFFIX RANGE
# ==============================================================================
# Yeniden uretimde rastgele sonek bu araliktan secilir.
# USERNAME_SUFFIX_MIN ve USERNAME_SUFFIX_MAX .env ile degistirilebilir.
USERNAME_SUFFIX_MIN = config('USERNAME_SUFFIX_MIN', default=2, cast=int)
USERNAME_SUFFIX_MAX = config('USERNAME_SUFFIX_MAX', default=999, cast=int)