"""
Django settings for Trust Membership Portal Backend
"""

import os
from pathlib import Path
from decouple import config, Csv

# Build paths inside the project
BASE_DIR = Path(__file__).resolve().parent.parent

# Path to React build output (run 'npm run build' in trust-portal)
REACT_BUILD_DIR = BASE_DIR.parent / 'trust-frontend' / 'build'

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = config('SECRET_KEY', default='django-insecure-change-this-in-production-12345678990')

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

ALLOWED_HOSTS = config('ALLOWED_HOSTS', default='sreeramalakshmi.edainfront.in,sreeramalakshmi-api.edainfront.in, localhost,127.0.0.1', cast=Csv())
CSRF_TRUSTED_ORIGINS = [
    'http://edainfront.in',
    'https://sreeramalakshmi-api.edainfront.in',
    'https://sreeramalakshmi.edainfront.in',
    'http://localhost:8000', # If testing locally
]
# Application definition
INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    
    # Third party apps
    'rest_framework',
    'rest_framework.authtoken',
    'corsheaders',
    'django_filters',
    'import_export',
    
    # Local apps
    'members',
    'payments',
]

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

ROOT_URLCONF = 'trust_portal.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [REACT_BUILD_DIR],
        '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 = 'trust_portal.wsgi.application'

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

# For PostgreSQL (recommended for production):
DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.postgresql',
         'NAME': config('DB_NAME', default='kalinger_db'),
         'USER': config('DB_USER', default='kalinger_admin'),
         'PASSWORD': config('DB_PASSWORD', default='Kalinger@2026'),
         'HOST': config('DB_HOST', default='localhost'),
         'PORT': config('DB_PORT', default='5432'),
        }
    }

# Password validation
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
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'Asia/Kolkata'
USE_I18N = True
USE_TZ = True

# Static files (CSS, JavaScript, Images)
STATIC_URL = 'static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'
STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'

# Include React build static files
STATICFILES_DIRS = []
if REACT_BUILD_DIR.exists() and (REACT_BUILD_DIR / 'static').exists():
    STATICFILES_DIRS.append(REACT_BUILD_DIR / 'static')

# Media files
MEDIA_URL = 'media/'
MEDIA_ROOT = BASE_DIR / 'media'

# Default primary key field type
DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

# REST Framework settings
REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework.authentication.TokenAuthentication',
        'rest_framework.authentication.SessionAuthentication',
    ],
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticated',
    ],
    'DEFAULT_FILTER_BACKENDS': [
        'django_filters.rest_framework.DjangoFilterBackend',
        'rest_framework.filters.SearchFilter',
        'rest_framework.filters.OrderingFilter',
    ],
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 50,
}

# CORS settings
CORS_ALLOWED_ORIGINS = [
    "https://sreeramalakshmi-api.edainfront.in",
    "https://sreeramalakshmi.edainfront.in",
    "http://localhost:3000",
    "http://127.0.0.1:3000",
]

CORS_ALLOW_CREDENTIALS = True

# Custom user model (optional - using phone as username)
# AUTH_USER_MODEL = 'members.CustomUser'

# Email settings (configure for production)
EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
# For production with Gmail:
# EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
# EMAIL_HOST = 'smtp.gmail.com'
# EMAIL_PORT = 587
# EMAIL_USE_TLS = True
# EMAIL_HOST_USER = config('EMAIL_HOST_USER', default='')
# EMAIL_HOST_PASSWORD = config('EMAIL_HOST_PASSWORD', default='')
# DEFAULT_FROM_EMAIL = config('DEFAULT_FROM_EMAIL', default='noreply@kalingatemple.org')

# SMS settings (for Twilio or similar)
# TWILIO_ACCOUNT_SID = config('TWILIO_ACCOUNT_SID', default='')
# TWILIO_AUTH_TOKEN = config('TWILIO_AUTH_TOKEN', default='')
# TWILIO_PHONE_NUMBER = config('TWILIO_PHONE_NUMBER', default='')