#!/usr/bin/env fuchsia-vendored-python
# Copyright 2022 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import argparse
import json
import pathlib
import subprocess
import sys


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--cmc-path",
        help="Path to cmc binary.",
        type=pathlib.Path,
        required=True,
    )
    parser.add_argument(
        "--stamp",
        help="Path to stamp file to write.",
        type=pathlib.Path,
        required=True,
    )
    parser.add_argument(
        "--manifest-metadata",
        help="Path to JSON file with a length-1 list of component manifests.",
        type=argparse.FileType("r"),
        required=True,
    )
    parser.add_argument(
        "--fromfile",
        help="Path to list of expected includes.",
        type=pathlib.Path,
        required=True,
    )
    parser.add_argument(
        "--depfile",
        help="Path to depfile to write.",
        type=pathlib.Path,
        required=True,
    )
    parser.add_argument(
        "--includeroot",
        help="Path to root of includes.",
        type=pathlib.Path,
        required=True,
    )
    parser.add_argument(
        "--includepath",
        help="Additional path for relative includes.",
        type=pathlib.Path,
        nargs="+",
    )
    args = parser.parse_args()

    with args.manifest_metadata as f:
        manifest_paths = json.load(f)

    if len(manifest_paths) != 1:
        print("Manifest metadata from GN must include exactly 1 source path.")
        return 1
    manifest_path = manifest_paths[0]

    cmc_args = [
        args.cmc_path,
        "--stamp",
        args.stamp,
        "check-includes",
        manifest_path,
        "--fromfile",
        args.fromfile,
        "--depfile",
        args.depfile,
        "--includeroot",
        args.includeroot,
    ]

    for p in args.includepath:
        cmc_args += ["--includepath", p]

    return subprocess.run(cmc_args).returncode


if __name__ == "__main__":
    sys.exit(main())