#!/usr/bin/env python3
"""Fail if the public tree contains the OnCo corpus or a redistributed slice."""

from __future__ import annotations

import json
import subprocess
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
FORBIDDEN_TRACKED = (
    "tests/onco-reference/local/",
    "tests/onco-reference/authorization.json",
    "upstream-onco/",
)


def main() -> int:
    problems: list[str] = []
    tracked = subprocess.run(
        ["git", "ls-files"],
        cwd=ROOT,
        check=True,
        capture_output=True,
        text=True,
    ).stdout.splitlines()
    for path in tracked:
        for prefix in FORBIDDEN_TRACKED:
            if path.startswith(prefix):
                problems.append(f"tracked licensed path: {path}")
        if path.startswith("examples/") and path.endswith(".json"):
            text = (ROOT / path).read_text(encoding="utf-8")
            if "CC-BY-NC-4.0" in text or "Data from OnCo" in text:
                problems.append(f"public example carries OnCo rights: {path}")
    examples = ROOT / "examples" / "dataspaces"
    for snapshot_path in examples.glob("*/snapshot.json"):
        snapshot = json.loads(snapshot_path.read_text(encoding="utf-8"))
        for source in snapshot.get("sources") or []:
            if source.get("license") == "CC-BY-NC-4.0":
                problems.append(f"{snapshot_path}: CC-BY-NC source {source.get('id')}")
    if problems:
        print("\n".join(problems), file=sys.stderr)
        return 1
    print("Public tree has no OnCo slice")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())