#!/usr/bin/env python3

# MIT License
#
# Copyright (c) 2024-2025 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.

import os
import sys

"""
Simple Python executable script for invoking `python3 -m rocpd.pftrace`
"""


def main(argv=sys.argv[1:], environ=dict(os.environ)):
    """
    Executes {sys.executable} -m rocpd.pftrace 
    """

    ROCPD_SUPPORTED_PYTHON_VERSIONS = [
        ".".join(itr.split(".")[:2]) for itr in "3.13".split(";")
    ]
    ROCPD_MODULE_ARGS = [f"{itr}" for itr in "".split(" ") if itr]

    this_dir = os.path.dirname(os.path.realpath(__file__))
    this_python_ver = f"{sys.version_info.major}.{sys.version_info.minor}"
    if this_python_ver not in ROCPD_SUPPORTED_PYTHON_VERSIONS:
        raise ImportError(
            "rocpd2pftrace not supported for Python version {} (sys.executable='{}').\nrocpd2pftrace supported python versions: {}".format(
                this_python_ver,
                sys.executable,
                ", ".join(ROCPD_SUPPORTED_PYTHON_VERSIONS),
            )
        )

    module_path = os.path.join(
        this_dir,
        "..",
        "lib",
        f"python{this_python_ver}",
        "site-packages",
    )

    python_path = [module_path] + os.environ.get("PYTHONPATH", "").split(":")

    # update PYTHONPATH environment variable
    environ["PYTHONPATH"] = ":".join(python_path)

    args = [f"{sys.executable}", "-m", "rocpd.pftrace"] + ROCPD_MODULE_ARGS + argv

    # does not return
    os.execvpe(args[0], args, env=environ)


if __name__ == "__main__":
    main()
