# Copyright 2018 Google LLC
#
# Licensed 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
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License 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.

# pylint: disable=E1102
# python3
"""Functionality for writing to a presentation.
"""


class PresentationWriter(object):
    """Queues writes for modifying a presentation.

    Call ExecuteBatchUpdate to flush pending writes.
    """

    def __init__(self, slides_service, presentation_id):
        self._slides_service = slides_service
        self._presentation_id = presentation_id
        self._requests = []

    def ReplaceAllText(self, find_text, replace_text):
        request = {
            'replaceAllText': {
                'replaceText': replace_text,
                'containsText': {
                    'text': find_text,
                    'matchCase': True
                }
            }
        }
        self._requests.append(request)

    def ReplaceAllShapesWithImage(self, find_text, image_url):
        request = {
            'replaceAllShapesWithImage': {
                'imageUrl': image_url,
                'containsText': {
                    'text': find_text,
                    'matchCase': True
                }
            }
        }
        self._requests.append(request)

    def ExecuteBatchUpdate(self):
        body = {'requests': self._requests}
        self._requests = []
        self._slides_service.presentations().batchUpdate(
            presentationId=self._presentation_id, body=body).execute()