#!/usr/bin/env python3
"""Validate every example dataspace against the v0.1 contract."""
from __future__ import annotations

import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
sys.path.insert(0, str(ROOT))

from content_explorer.contract import validate_dataspace  # noqa: E402

def main() -> int:
    errors: list[str] = []
    directories = sorted((ROOT / "examples" / "dataspaces").glob("*/snapshot.json"))
    if not directories:
        print("no dataspace fixtures found", file=sys.stderr)
        return 1
    for snapshot_path in directories:
        directory = snapshot_path.parent
        found = validate_dataspace(directory, require_size=True)
        errors.extend(found)
        if not found:
            print(f"{directory.name}: contract ok")
    if errors:
        print("\n".join(errors), file=sys.stderr)
        return 1
    print("Fixture validation OK")
    return 0


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