#!/usr/bin/env python3
#
# Copyright (c) 2010 - 2026, Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
# All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
#    list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived from
#    this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# We kindly request you to use one or more of the following phrases to refer to
# foxBMS in your hardware, software, documentation or advertising materials:
#
# - "This product uses parts of foxBMS®"
# - "This product includes parts of foxBMS®"
# - "This product is derived from foxBMS®"

"""Run uncrustify on the FreeRTOS sources in the foxBMS source tree"""

import os
from concurrent.futures import ProcessPoolExecutor
from pathlib import Path
from shutil import which

from ..helpers.click_helpers import recho
from ..helpers.host_platform import get_platform
from ..helpers.logger import logger
from ..helpers.misc import PROJECT_ROOT
from ..helpers.spr import SubprocessResult, run_process

ROOT = Path(__file__).parent.parent.parent


FREERTOS_UNCRUSTIFY_CONFIG = str(
    ROOT / "src/os/freertos/freertos/.github/uncrustify.cfg"
)
FREERTOS_FILES = [
    str(i)
    for i in list((ROOT / "src/os/freertos/freertos").rglob("*.c"))
    + list((ROOT / "src/os/freertos/freertos").rglob("*.h"))
    if i.is_file()
]


def run_uncrustify_process(
    uncrustify: str, args: list[str], _file: str
) -> SubprocessResult:
    """Runs uncrustify with the provided arguments on the specified file as a
    subprocess
    """
    cmd = [uncrustify] + args + [_file]
    cwd = ROOT
    return run_process(cmd, cwd=cwd, stderr=None, stdout=None)


def lint_freertos(check: bool = True) -> int:
    """Run uncrustify on the foxBMS FreeRTOS source tree"""
    uncrustify_install_path = os.environ.get("PATH", "")
    if get_platform() == "win32":
        uncrustify_install_path = (
            os.path.join(
                os.environ.get("HOMEDRIVE", "C:") + os.sep,
                "uncrustify",
                "uncrustify-0.69",
            )
            + os.pathsep
            + uncrustify_install_path
        )
    uncrustify = which("uncrustify", path=uncrustify_install_path)

    if not uncrustify:
        recho("Could not find uncrustify.")
        return 1

    uncrustify_args = [
        "-c",
        str(PROJECT_ROOT / "src/os/freertos/freertos/.github/uncrustify.cfg"),
    ]
    if check:
        uncrustify_args.append("--check")

    err = 0
    with ProcessPoolExecutor() as pool:
        futures = []
        for i in FREERTOS_FILES:
            logger.debug("Start worker for file '%s'", i)
            futures.append(
                pool.submit(run_uncrustify_process, uncrustify, uncrustify_args, i)
            )

        for f in futures:
            exit_code = f.result().returncode
            if exit_code:
                logger.error("exitcode: %s", exit_code)
                logger.error("stdout: %s", f.result().out)
                logger.error("stderr: %s", f.result().err)
            else:
                logger.debug("exitcode: %s", exit_code)
                logger.debug("stdout: %s", f.result().out)
                logger.debug("stderr: %s", f.result().err)

            err += exit_code

    return err