# 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 os
import pathlib
import yaml

__all__ = ["read_data"]

DATA_DIR = os.path.dirname(__file__)


def read_data(filename):
    """Return data that is shipped inside the Python package."""

    filepath = os.path.join(DATA_DIR, filename)
    with open(filepath, "r") as fd:
        data = yaml.safe_load(fd)
        # Merge data found in individual element files
        data.setdefault("documents", list())
        data.setdefault("services", list())
        data.setdefault("service_categories", list())
        for item in pathlib.Path(DATA_DIR, "documents").glob("*.yaml"):
            with open(item, "r") as fp:
                data["documents"].append(yaml.safe_load(fp))
        for item in pathlib.Path(DATA_DIR, "services").glob("*.yaml"):
            with open(item, "r") as fp:
                data["services"].append(yaml.safe_load(fp))
        for item in pathlib.Path(DATA_DIR, "service_categories").glob(
            "*.yaml"
        ):
            with open(item, "r") as fp:
                data["service_categories"].append(yaml.safe_load(fp))

        return data


def rewrite_data(filename, data):
    """Rewrites data formatting it"""
    from ruamel.yaml import YAML

    _yaml = YAML()
    _yaml.indent(mapping=2, sequence=4, offset=2)
    filepath = os.path.join(DATA_DIR, filename)
    with open(filepath, "w") as fd:
        _yaml.dump(data, fd)