"""
REST Framework configuration settings
"""

from datetime import timedelta

REST_FRAMEWORK = {
    # Use Django's standard `django.contrib.auth` permissions,
    # or allow read-only access for unauthenticated users.
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticated',
    ],
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework_simplejwt.authentication.JWTAuthentication',
        'rest_framework.authentication.SessionAuthentication',
        'rest_framework.authentication.BasicAuthentication',
    ],
    # Pagination settings
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 10,
    # Filtering
    'DEFAULT_FILTER_BACKENDS': [
        'django_filters.rest_framework.DjangoFilterBackend',
        'rest_framework.filters.SearchFilter',
        'rest_framework.filters.OrderingFilter',
    ],
    # Throttling
    'DEFAULT_THROTTLE_CLASSES': [
        'rest_framework.throttling.AnonRateThrottle',
        'rest_framework.throttling.UserRateThrottle'
    ],
    'DEFAULT_THROTTLE_RATES': {
        'anon': '100/day',
        'user': '1000/day'
    },
    # Versioning
    'DEFAULT_VERSIONING_CLASS': 'rest_framework.versioning.URLPathVersioning',
    'DEFAULT_VERSION': 'v1',
    'ALLOWED_VERSIONS': ['v1'],
    'VERSION_PARAM': 'version',
    # Schema
    'DEFAULT_SCHEMA_CLASS': 'drf_spectacular.openapi.AutoSchema',
    # Renderer/Parser settings
    'DEFAULT_RENDERER_CLASSES': [
        'rest_framework.renderers.JSONRenderer',
        'rest_framework.renderers.BrowsableAPIRenderer',
    ],
    'DEFAULT_PARSER_CLASSES': [
        'rest_framework.parsers.JSONParser',
        'rest_framework.parsers.FormParser',
        'rest_framework.parsers.MultiPartParser'
    ],
    # Exception handling
    'EXCEPTION_HANDLER': 'rest_framework.views.exception_handler',
    # Content negotiation
    'DEFAULT_CONTENT_NEGOTIATION_CLASS': 'rest_framework.negotiation.DefaultContentNegotiation',
    # Metadata
    'DEFAULT_METADATA_CLASS': 'rest_framework.metadata.SimpleMetadata',
    # Caching
    'DEFAULT_CACHE_RESPONSE_TIMEOUT': 60 * 15,  # 15 minutes
    # Test settings
    'TEST_REQUEST_DEFAULT_FORMAT': 'json',
    'TEST_REQUEST_RENDERER_CLASSES': [
        'rest_framework.renderers.JSONRenderer',
    ],
}

# JWT Settings
SIMPLE_JWT = {
    'ACCESS_TOKEN_LIFETIME': timedelta(minutes=60),
    'REFRESH_TOKEN_LIFETIME': timedelta(days=1),
    'ROTATE_REFRESH_TOKENS': False,
    'BLACKLIST_AFTER_ROTATION': True,
    'UPDATE_LAST_LOGIN': False,

    'ALGORITHM': 'HS256',
    'SIGNING_KEY': None,  # Will use Django's SECRET_KEY
    'VERIFYING_KEY': None,
    'AUDIENCE': None,
    'ISSUER': None,

    'AUTH_HEADER_TYPES': ('Bearer',),
    'AUTH_HEADER_NAME': 'HTTP_AUTHORIZATION',
    'USER_ID_FIELD': 'id',
    'USER_ID_CLAIM': 'user_id',

    'AUTH_TOKEN_CLASSES': ('rest_framework_simplejwt.tokens.AccessToken',),
    'TOKEN_TYPE_CLAIM': 'token_type',

    'JTI_CLAIM': 'jti',

    'SLIDING_TOKEN_REFRESH_EXP_CLAIM': 'refresh_exp',
    'SLIDING_TOKEN_LIFETIME': timedelta(minutes=5),
    'SLIDING_TOKEN_REFRESH_LIFETIME': timedelta(days=1),
}

# Spectacular API settings
SPECTACULAR_SETTINGS = {
    'TITLE': 'AlumniVerse API',
    'DESCRIPTION': 'API documentation for AlumniVerse platform',
    'VERSION': '1.0.0',
    'SERVE_INCLUDE_SCHEMA': False,
    'COMPONENT_SPLIT_REQUEST': True,
    'SWAGGER_UI_SETTINGS': {
        'deepLinking': True,
        'persistAuthorization': True,
        'displayOperationId': True,
    },
    'SWAGGER_UI_DIST': 'SIDECAR',
    'SWAGGER_UI_FAVICON_HREF': 'SIDECAR',
    'REDOC_DIST': 'SIDECAR',
    'PREPROCESSING_HOOKS': [],
    'SERVE_PERMISSIONS': ['rest_framework.permissions.IsAuthenticated'],
    'SERVE_AUTHENTICATION': ['rest_framework.authentication.SessionAuthentication'],
    'SWAGGER_UI_SETTINGS': {
        'deepLinking': True,
        'persistAuthorization': True,
        'displayOperationId': True,
    },
}