##############################################################################
# MIT License
#
# Copyright (c) 2025 Advanced Micro Devices, Inc. All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

##############################################################################

from pathlib import Path
from typing import Optional, Union

import yaml


def str_representer(dumper, data):
    if "\n" in data:
        return dumper.represent_scalar("tag:yaml.org,2002:str", data, style=">")
    return dumper.represent_scalar("tag:yaml.org,2002:str", data)


yaml.add_representer(str, str_representer)


def load_yaml(filepath: Union[str, Path]) -> dict:
    with open(filepath) as f:
        return yaml.safe_load(f) or {}


def save_yaml(
    data: dict, filepath: Union[str, Path], header: Optional[str] = None
) -> None:
    with open(filepath, "w") as f:
        if header:
            f.write(header)
        yaml.dump(data, f, sort_keys=False)