"""
Django settings for A_core project.

Generated by 'django-admin startproject' using Django 4.2.16.

For more information on this file, see
https://docs.djangoproject.com/en/4.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/4.2/ref/settings/
"""

from pathlib import Path
import os
from dotenv import load_dotenv

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

# 환경 변수 로드
load_dotenv(BASE_DIR / '.env')


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/4.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-kst@+h&50%!m$(d!l*qbb0l7f@z#@#me__yye^$5kg%0m%1=im'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = False

ALLOWED_HOSTS = ['www.sillaamp.com', 'sillaamp.com', '192.168.1.119', 'localhost', '127.0.0.1', '*']
CSRF_TRUSTED_ORIGINS = [
    'http://www.sillaamp.com',
    'https://www.sillaamp.com',
    'http://sillaamp.com',
    'https://sillaamp.com',
    'http://192.168.1.119:4271',
    'http://127.0.0.1:8000',
    'http://localhost:8000',
]

# Application definition

INSTALLED_APPS = [
    # Django 기본 앱들
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',

    # 필수: django.contrib.sites
    'django.contrib.sites',

    # allauth 관련 앱들 (순서 중요)
    'allauth',
    'allauth.account',
    'allauth.socialaccount',

    # 소셜 로그인 제공자 (필요한 경우 추가)
    # 'allauth.socialaccount.providers.google',


    # 프로젝트 앱들
    'B_main',
    'C_accounts',
]

SITE_ID = 1

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

# 성능 최적화를 위한 미들웨어 순서 조정
MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.middleware.cache.UpdateCacheMiddleware',  # 캐시 미들웨어 (상단)
    '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',
    'allauth.account.middleware.AccountMiddleware',
    'C_accounts.middleware.ForcePasswordSetMiddleware',  # 강제 비밀번호 설정 미들웨어
    'django.middleware.cache.FetchFromCacheMiddleware',  # 캐시 미들웨어 (하단)
]

ROOT_URLCONF = 'A_core.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR / 'templates'],  # 이 줄이 반드시 있어야 함
        '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 = 'A_core.wsgi.application'


# Database
# https://docs.djangoproject.com/en/4.2/ref/settings/#databases

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


# Password validation
# https://docs.djangoproject.com/en/4.2/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/4.2/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/4.2/howto/static-files/

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

# 정적 파일 찾기 설정 (프로덕션 환경)
STATICFILES_FINDERS = [
    'django.contrib.staticfiles.finders.FileSystemFinder',
    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
]

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

# Default primary key field type
# https://docs.djangoproject.com/en/4.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'



# 로그인/회원가입 redirect 설정
LOGIN_REDIRECT_URL = '/'
ACCOUNT_LOGOUT_REDIRECT_URL = '/accounts/login/'

# 전화번호로 로그인 (username 사용) - 최신 allauth 설정
ACCOUNT_LOGIN_METHODS = {'username'}        # username으로 로그인
ACCOUNT_SIGNUP_FIELDS = ['username', 'password1', 'password2']  # 회원가입 필드
ACCOUNT_USERNAME_REQUIRED = True            # username 필드 사용 (전화번호)
ACCOUNT_EMAIL_REQUIRED = False              # email 필수 아님
ACCOUNT_USER_MODEL_USERNAME_FIELD = 'username' # 사용자 모델의 username 필드 활성화

# 네이버 클라우드 플랫폼 SMS 설정
NAVER_CLOUD_ACCESS_KEY = os.getenv('NAVER_CLOUD_ACCESS_KEY', 'your_access_key_here')
NAVER_CLOUD_SECRET_KEY = os.getenv('NAVER_CLOUD_SECRET_KEY', 'your_secret_key_here')
NAVER_CLOUD_SMS_SERVICE_ID = os.getenv('NAVER_CLOUD_SMS_SERVICE_ID', 'your_service_id_here')
NAVER_CLOUD_SMS_SENDER_PHONE = os.getenv('NAVER_CLOUD_SMS_SENDER_PHONE', 'your_sender_phone_here')  # 발신번호 (예: 01012345678)

# 세션 설정 - 성능 최적화
SESSION_COOKIE_AGE = 1800  # 세션 만료 시간 (30분 = 1800초)
SESSION_EXPIRE_AT_BROWSER_CLOSE = True  # 브라우저 닫으면 세션 만료
SESSION_SAVE_EVERY_REQUEST = False  # 성능 향상을 위해 매 요청마다 세션 저장 비활성화
SESSION_ENGINE = 'django.contrib.sessions.backends.cached_db'  # 세션 캐싱 활성화

# 캐시 설정 (성능 향상)
CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
        'LOCATION': 'unique-snowflake',
        'TIMEOUT': 300,  # 5분 캐시
        'OPTIONS': {
            'MAX_ENTRIES': 1000,
            'CULL_FREQUENCY': 3,
        }
    }
}

# SMS 인증 설정
SMS_VERIFICATION_TIMEOUT = int(os.getenv('SMS_VERIFICATION_TIMEOUT', 180))  # 인증번호 유효시간 (초)
SMS_MAX_RETRY_COUNT = int(os.getenv('SMS_MAX_RETRY_COUNT', 3))  # 최대 재발송 횟수

# 이메일 설정
EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_PORT = 587
EMAIL_USE_TLS = True
EMAIL_HOST_USER = 'cpabong79@gmail.com'
EMAIL_HOST_PASSWORD = 'wqol wsll vsrl jeqe'  # Gmail 앱 비밀번호 필요
DEFAULT_FROM_EMAIL = 'cpabong79@gmail.com'

# 개발용 - 콘솔 출력 (테스트 시 사용)
# EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'