"""Check the small enrichment tables against their retained source metadata."""
from pathlib import Path
import json
import gzip
import pandas as pd
import pyarrow.parquet as pq


def main():
    out = Path(__file__).resolve().parents[1]
    qwen = pd.read_parquet(out / "data/qwen.parquet")
    known = qwen[qwen.limit_source_path.notna()]
    for row in known.itertuples():
        source = out.parent / row.limit_source_path
        metadata = json.loads(source.read_text())
        assert row.context_limit == metadata["rollout_protocol"]["max_model_len"]
        assert row.output_limit == metadata["rollout_protocol"]["max_generate_length"]
        assert row.model_revision == metadata["model"]["revision"]
    assert qwen.loc[qwen.limit_source_path.isna(), "context_limit"].isna().all()
    usage = pd.read_parquet(out / "data/usage_events.parquet")
    count = 0
    for path in (out / "data/events").rglob("*.parquet"):
        count += sum(v == "usage" for v in pq.read_table(path, columns=["kind"]).column(0).to_pylist())
    assert len(usage) == count
    examples = pd.read_parquet(out / "data/example_summary.parquet")
    assert examples.loc[examples.example_kind == "process", "truncated"].sum() == 4547
    forest = pd.read_parquet(out / "data/forest.parquet")
    for row in forest[forest.outcome_status == "observed"].itertuples():
        source = out.parent / row.trial_grade_source_path
        original = json.loads(source.read_text())
        assert row.reward == original["score"]
        assert row.outcome_unit == "trial"
        assert row.canonical_source_path.endswith(("codex-run.jsonl", "opencode-run.jsonl", "yudai-minisweagent.traj.json"))
    report = {"status":"passed", "known_qwen_limit_episodes":len(known), "usage_events":len(usage),
              "forest_observed_trial_grades":int((forest.outcome_status == "observed").sum()),
              "truncated_forest_process_examples":4547}
    (out / "provenance/metadata_validation.json").write_text(json.dumps(report,indent=2)+"\n")
    print(json.dumps(report,indent=2))


if __name__ == "__main__":
    main()