#
#  Copyright 2019 The FATE Authors. 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.
#
import argparse

from pipeline.backend.pipeline import PipeLine
from pipeline.component import DataTransform, HeteroPearson, Intersection, Reader
from pipeline.interface import Data
from pipeline.utils.tools import load_job_config


def main(config="../../config.yaml", namespace=""):
    common_param = dict(column_indexes=-1, cross_parties=False)
    guest_only_param = dict(need_run=False)
    pipeline = run_pearson_pipeline(
        config=config,
        namespace=namespace,
        data=dataset.breast,
        common_param=common_param,
        guest_only_param=guest_only_param,
    )


def run_pearson_pipeline(
    config,
    namespace,
    data,
    common_param=None,
    guest_only_param=None,
    host_only_param=None,
):
    if isinstance(config, str):
        config = load_job_config(config)
    guest_data = data["guest"]
    host_data = data["host"][0]

    guest_data["namespace"] = f"{guest_data['namespace']}{namespace}"
    host_data["namespace"] = f"{host_data['namespace']}{namespace}"

    pipeline = (
        PipeLine()
        .set_initiator(role="guest", party_id=config.parties.guest[0])
        .set_roles(guest=config.parties.guest[0], host=config.parties.host[0])
    )

    reader_0 = Reader(name="reader_0")
    reader_0.get_party_instance(
        role="guest", party_id=config.parties.guest[0]
    ).component_param(table=guest_data)
    reader_0.get_party_instance(
        role="host", party_id=config.parties.host[0]
    ).component_param(table=host_data)

    data_transform_0 = DataTransform(name="data_transform_0")
    data_transform_0.get_party_instance(
        role="guest", party_id=config.parties.guest[0]
    ).component_param(with_label=True, output_format="dense")
    data_transform_0.get_party_instance(
        role="host", party_id=config.parties.host[0]
    ).component_param(with_label=False)

    intersect_0 = Intersection(name="intersection_0")

    if common_param is None:
        common_param = {}
    hetero_pearson_component = HeteroPearson(name="hetero_pearson_0", **common_param)

    if guest_only_param:
        hetero_pearson_component.get_party_instance(
            "guest", config.parties.guest[0]
        ).component_param(**guest_only_param)

    if host_only_param:
        hetero_pearson_component.get_party_instance(
            "host", config.parties.host[0]
        ).component_param(**host_only_param)

    pipeline.add_component(reader_0)
    pipeline.add_component(data_transform_0, data=Data(data=reader_0.output.data))
    pipeline.add_component(intersect_0, data=Data(data=data_transform_0.output.data))
    pipeline.add_component(
        hetero_pearson_component, data=Data(train_data=intersect_0.output.data)
    )

    pipeline.compile()
    pipeline.fit()
    return pipeline


class dataset_meta(type):
    @property
    def breast(cls):
        return {
            "guest": {"name": "breast_hetero_guest", "namespace": "experiment"},
            "host": [{"name": "breast_hetero_host", "namespace": "experiment"}],
        }


class dataset(metaclass=dataset_meta):
    ...


if __name__ == "__main__":
    parser = argparse.ArgumentParser("PIPELINE DEMO")
    parser.add_argument("-config", type=str, help="config file")
    args = parser.parse_args()
    if args.config is not None:
        main(args.config)
    else:
        main()