#!/usr/bin/env python3
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter
from pathlib import Path
import subprocess
from concurrent.futures import ThreadPoolExecutor
from constants import PACKAGES


def check_single_package(root):
    if (Path(root) / "Cargo.toml").exists():
        print(f"Checking dependencies of {root}")
        subprocess.run(["cargo", "deny", "check", "license"], cwd=root)
    else:
        print(f"Skipping {root} as Cargo.toml does not exist")


def check_deps():
    cargo_dirs = PACKAGES
    for d in cargo_dirs:
        check_single_package(d)


def generate_single_package(root):
    if (Path(root) / "Cargo.toml").exists():
        print(f"Generating dependencies {root}")
        result = subprocess.check_output(
            ["cargo", "deny", "list", "-f", "tsv", "-t", "0.6"],
            cwd=root,
            text=True,
        )
        with open(f"{root}/DEPENDENCIES.rust.tsv", "w") as f:
            f.write(result)
    else:
        print(f"Skipping {root} as Cargo.toml does not exist")


def generate_deps():
    cargo_dirs = PACKAGES
    with ThreadPoolExecutor(max_workers=4) as executor:
        executor.map(generate_single_package, cargo_dirs)


if __name__ == "__main__":
    parser = ArgumentParser(formatter_class=ArgumentDefaultsHelpFormatter)
    parser.set_defaults(func=parser.print_help)
    subparsers = parser.add_subparsers()

    parser_check = subparsers.add_parser(
        "check", description="Check dependencies", help="Check dependencies"
    )
    parser_check.set_defaults(func=check_deps)

    parser_generate = subparsers.add_parser(
        "generate", description="Generate dependencies", help="Generate dependencies"
    )
    parser_generate.set_defaults(func=generate_deps)

    args = parser.parse_args()
    arg_dict = dict(vars(args))
    del arg_dict["func"]
    args.func(**arg_dict)