# Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
from botocore.docs.method import document_model_driven_method


def document_model_driven_resource_method(
        section, method_name, operation_model, event_emitter,
        method_description=None, example_prefix=None, include_input=None,
        include_output=None, exclude_input=None, exclude_output=None,
        document_output=True, resource_action_model=None,
        include_signature=True):

    document_model_driven_method(
        section=section, method_name=method_name,
        operation_model=operation_model,
        event_emitter=event_emitter,
        method_description=method_description,
        example_prefix=example_prefix,
        include_input=include_input,
        include_output=include_output,
        exclude_input=exclude_input,
        exclude_output=exclude_output,
        document_output=document_output,
        include_signature=include_signature
    )

    # If this action returns a resource modify the return example to
    # appropriately reflect that.
    if resource_action_model.resource:
        if 'return' in section.available_sections:
            section.delete_section('return')
        resource_type = resource_action_model.resource.type

        new_return_section = section.add_new_section('return')
        return_resource_type = '%s.%s' % (
            operation_model.service_model.service_name,
            resource_type)

        return_type = ':py:class:`%s`' % return_resource_type
        return_description = '%s resource' % (resource_type)

        if _method_returns_resource_list(resource_action_model.resource):
            return_type = 'list(%s)' % return_type
            return_description = 'A list of %s resources' % (
                resource_type)

        new_return_section.style.new_line()
        new_return_section.write(
            ':rtype: %s' % return_type)
        new_return_section.style.new_line()
        new_return_section.write(
            ':returns: %s' % return_description)
        new_return_section.style.new_line()


def _method_returns_resource_list(resource):
    for identifier in resource.identifiers:
        if identifier.path and '[]' in identifier.path:
            return True

    return False
