import argparse
import time
import dataclasses
import git
import datetime
from collections.abc import Iterator, Sequence
from pathlib import Path

def parse_arguments():
    parser = argparse.ArgumentParser()
    parser.add_argument('repositories', action='extend', nargs='+', type=Path)
    return parser.parse_args()

@dataclasses.dataclass(frozen=True)
class WorkSample:
    registered_at: datetime.datetime
    labels: Sequence[str]


def get_samples_from_project(repo: git.Repo) -> Iterator[WorkSample]:
    labels = []
    labels.append('project:git_time_tracker')

    print(repo.remotes.origin.repo)

    # TODO: Branch on main or master or default
    for commit in repo.iter_commits('main'):
        yield WorkSample(datetime.datetime.fromtimestamp(commit.authored_date, tz=datetime.UTC), tuple(labels))
        yield WorkSample(datetime.datetime.fromtimestamp(commit.committed_date, tz=datetime.UTC), tuple(labels))

def main():
    args = parse_arguments()

    shared_time_stamps: set[WorkSample] = set()
    for repo_path in args.repositories:
        repo = git.Repo(repo_path)
        shared_time_stamps |= set(get_samples_from_project(repo))
    print('derp', shared_time_stamps)