##############################################################################
# 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
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# THE SOFTWARE.

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

import os
import subprocess
import sys
from importlib.machinery import SourceFileLoader
from pathlib import Path
from unittest.mock import patch

import pytest

ROOT = os.path.dirname(os.path.dirname(__file__))
SRC = os.path.join(ROOT, "src")
if SRC not in sys.path:
    sys.path.insert(0, SRC)

try:
    rocprof_compute = SourceFileLoader(
        "rocprof-compute", "src/rocprof-compute"
    ).load_module()
except Exception:
    rocprof_compute = SourceFileLoader(
        "rocprof-compute", "rocprof-compute"
    ).load_module()


def pytest_addoption(parser):
    parser.addoption(
        "--call-binary",
        action="store_true",
        default=False,
        help="Call standalone binary instead of main function during tests",
    )

    parser.addoption(
        "--rocprofiler-sdk-tool-path",
        type=str,
        default=str(
            Path(os.getenv("ROCM_PATH", "/opt/rocm"))
            / "lib/rocprofiler-sdk/librocprofiler-sdk-tool.so"
        ),
        help="Path to the rocprofiler-sdk tool",
    )


@pytest.fixture
def binary_handler_profile_rocprof_compute(request):
    def _handler(
        config,
        workload_dir,
        options=[],
        check_success=True,
        roof=False,
        app_name="app_1",
        attach_detach_para=None,
    ):
        if request.config.getoption("--rocprofiler-sdk-tool-path"):
            options.extend(
                [
                    "--rocprofiler-sdk-tool-path",
                    request.config.getoption("--rocprofiler-sdk-tool-path"),
                ],
            )
        if request.config.getoption("--call-binary"):
            baseline_opts = [
                "build/rocprof-compute.bin",
                "profile",
                "-n",
                app_name,
                "-VVV",
            ]
            if not roof:
                baseline_opts.append("--no-roof")

            command_rocprof_compute = baseline_opts + options + ["--path", workload_dir]
            if not attach_detach_para:
                command_rocprof_compute = (
                    command_rocprof_compute + ["--"] + config[app_name]
                )
            else:
                command_rocprof_compute = command_rocprof_compute + [
                    "--attach-pid",
                    str(attach_detach_para["attach_pid"]),
                ]
                if attach_detach_para["attach-duration-msec"]:
                    command_rocprof_compute = command_rocprof_compute + [
                        "--attach-duration-msec",
                        str(attach_detach_para["attach-duration-msec"]),
                    ]

            process = subprocess.run(
                command_rocprof_compute,
                text=True,
            )
            # verify run status
            if check_success:
                assert process.returncode == 0
            return process.returncode
        else:
            baseline_opts = [
                "rocprof-compute",
                "profile",
                "-n",
                app_name,
                "-VVV",
            ]
            if not roof:
                baseline_opts.append("--no-roof")

            command_rocprof_compute = baseline_opts + options + ["--path", workload_dir]
            if not attach_detach_para:
                command_rocprof_compute = (
                    command_rocprof_compute + ["--"] + config[app_name]
                )
            else:
                command_rocprof_compute = command_rocprof_compute + [
                    "--attach-pid",
                    str(attach_detach_para["attach_pid"]),
                ]
                if attach_detach_para["attach-duration-msec"]:
                    command_rocprof_compute = command_rocprof_compute + [
                        "--attach-duration-msec",
                        str(attach_detach_para["attach-duration-msec"]),
                    ]

            with pytest.raises(SystemExit) as e:
                with patch(
                    "sys.argv",
                    command_rocprof_compute,
                ):
                    rocprof_compute.main()
            # verify run status
            if check_success:
                assert e.value.code == 0
            return e.value.code

    return _handler


@pytest.fixture
def binary_handler_analyze_rocprof_compute(request):
    def _handler(arguments):
        if request.config.getoption("--call-binary"):
            process = subprocess.run(
                ["build/rocprof-compute.bin", *arguments],
                text=True,
            )
            return process.returncode
        else:
            with pytest.raises(SystemExit) as e:
                with patch(
                    "sys.argv",
                    ["rocprof-compute", *arguments],
                ):
                    rocprof_compute.main()
            return e.value.code

    return _handler