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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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# software distributed under the License is distributed on an
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from flask import g, Response
from flask_appbuilder.api import BaseApi, expose, safe

from .schemas import UserResponseSchema

user_response_schema = UserResponseSchema()


class CurrentUserRestApi(BaseApi):
    """ An api to get information about the current user """

    resource_name = "me"
    openapi_spec_tag = "Current User"
    openapi_spec_component_schemas = (UserResponseSchema,)

    @expose("/", methods=["GET"])
    @safe
    def get_me(self) -> Response:
        """Get the user object corresponding to the agent making the request
        ---
        get:
          description: >-
            Returns the user object corresponding to the agent making the request,
            or returns a 401 error if the user is unauthenticated.
          responses:
            200:
              description: The current user
              content:
                application/json:
                  schema:
                    type: object
                    properties:
                      result:
                        $ref: '#/components/schemas/UserResponseSchema'
            401:
              $ref: '#/components/responses/401'
        """
        if g.user is None or g.user.is_anonymous:
            return self.response_401()
        return self.response(200, result=user_response_schema.dump(g.user))