# -*- coding: utf-8 -*-
"""
oauthlib.openid.connect.core.endpoints.pre_configured
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

This module is an implementation of various endpoints needed
for providing OpenID Connect servers.
"""
from __future__ import absolute_import, unicode_literals

from oauthlib.oauth2.rfc6749.endpoints import (
    AuthorizationEndpoint,
    IntrospectEndpoint,
    ResourceEndpoint,
    RevocationEndpoint,
    TokenEndpoint
)
from oauthlib.oauth2.rfc6749.grant_types import (
    AuthorizationCodeGrant as OAuth2AuthorizationCodeGrant,
    ImplicitGrant as OAuth2ImplicitGrant,
    ClientCredentialsGrant,
    RefreshTokenGrant,
    ResourceOwnerPasswordCredentialsGrant
)
from oauthlib.oauth2.rfc6749.tokens import BearerToken
from ..grant_types import (
    AuthorizationCodeGrant,
    ImplicitGrant,
    HybridGrant,
)
from ..grant_types.dispatchers import (
    AuthorizationCodeGrantDispatcher,
    ImplicitTokenGrantDispatcher,
    AuthorizationTokenGrantDispatcher
)
from ..tokens import JWTToken
from .userinfo import UserInfoEndpoint


class Server(AuthorizationEndpoint, IntrospectEndpoint, TokenEndpoint,
             ResourceEndpoint, RevocationEndpoint, UserInfoEndpoint):

    """An all-in-one endpoint featuring all four major grant types."""

    def __init__(self, request_validator, token_expires_in=None,
                 token_generator=None, refresh_token_generator=None,
                 *args, **kwargs):
        """Construct a new all-grants-in-one server.

        :param request_validator: An implementation of
                                  oauthlib.oauth2.RequestValidator.
        :param token_expires_in: An int or a function to generate a token
                                 expiration offset (in seconds) given a
                                 oauthlib.common.Request object.
        :param token_generator: A function to generate a token from a request.
        :param refresh_token_generator: A function to generate a token from a
                                        request for the refresh token.
        :param kwargs: Extra parameters to pass to authorization-,
                       token-, resource-, and revocation-endpoint constructors.
        """
        auth_grant = OAuth2AuthorizationCodeGrant(request_validator)
        implicit_grant = OAuth2ImplicitGrant(request_validator)
        password_grant = ResourceOwnerPasswordCredentialsGrant(
            request_validator)
        credentials_grant = ClientCredentialsGrant(request_validator)
        refresh_grant = RefreshTokenGrant(request_validator)
        openid_connect_auth = AuthorizationCodeGrant(request_validator)
        openid_connect_implicit = ImplicitGrant(request_validator)
        openid_connect_hybrid = HybridGrant(request_validator)

        bearer = BearerToken(request_validator, token_generator,
                             token_expires_in, refresh_token_generator)

        jwt = JWTToken(request_validator, token_generator,
                       token_expires_in, refresh_token_generator)

        auth_grant_choice = AuthorizationCodeGrantDispatcher(default_grant=auth_grant, oidc_grant=openid_connect_auth)
        implicit_grant_choice = ImplicitTokenGrantDispatcher(default_grant=implicit_grant, oidc_grant=openid_connect_implicit)

        # See http://openid.net/specs/oauth-v2-multiple-response-types-1_0.html#Combinations for valid combinations
        # internally our AuthorizationEndpoint will ensure they can appear in any order for any valid combination
        AuthorizationEndpoint.__init__(self, default_response_type='code',
                                       response_types={
                                           'code': auth_grant_choice,
                                           'token': implicit_grant_choice,
                                           'id_token': openid_connect_implicit,
                                           'id_token token': openid_connect_implicit,
                                           'code token': openid_connect_hybrid,
                                           'code id_token': openid_connect_hybrid,
                                           'code id_token token': openid_connect_hybrid,
                                           'none': auth_grant
                                       },
                                       default_token_type=bearer)

        token_grant_choice = AuthorizationTokenGrantDispatcher(request_validator, default_grant=auth_grant, oidc_grant=openid_connect_auth)

        TokenEndpoint.__init__(self, default_grant_type='authorization_code',
                               grant_types={
                                   'authorization_code': token_grant_choice,
                                   'password': password_grant,
                                   'client_credentials': credentials_grant,
                                   'refresh_token': refresh_grant,
                               },
                               default_token_type=bearer)
        ResourceEndpoint.__init__(self, default_token='Bearer',
                                  token_types={'Bearer': bearer, 'JWT': jwt})
        RevocationEndpoint.__init__(self, request_validator)
        IntrospectEndpoint.__init__(self, request_validator)
        UserInfoEndpoint.__init__(self, request_validator)
