#!/usr/bin/python3
# -*- coding: utf8 -*-

# Copyright (c) 2020 Baidu, Inc. 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.
# 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.

"""
Convert the circuit to json
"""

from google.protobuf.json_format import MessageToJson

from QCompute.OpenConvertor import ConvertorImplement
from QCompute.QProtobuf import PBProgram


class CircuitToJson(ConvertorImplement):
    """
    Circuit to json
    """

    def convert(self, program: PBProgram) -> str:
        """
        Convert the circuit to json.

        Example:

        env.publish()  # need to generate protobuf circuit data

        jsonStr = CircuitToJson().convert(env.program)

        :param program: Protobuf format of the circuit
        :return: json str
        """

        return MessageToJson(program, preserving_proto_field_name=True)
