"""Verify commit_count field in chronology rows."""
from __future__ import annotations
import subprocess
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent.parent.parent))
from scripts.audit.generate_chronology import walk_track_folders  # noqa: E402

rows = walk_track_folders(Path("conductor"))
issues: list[str] = []

for i, row in enumerate(rows):
    folder = row["folder_link"]
    track_id = row["track_id"]
    init_sha = row["init_sha"]
    end_sha = row["end_sha"]
    expected_count = row["commit_count"]

    try:
        result = subprocess.run(
            ["git", "log", "--oneline", "--", folder],
            capture_output=True, text=True, timeout=30, check=False,
        )
        actual_count = len(result.stdout.strip().splitlines())
    except Exception:
        continue

    if init_sha and end_sha:
        if init_sha == end_sha:
            if expected_count not in (0, 1):
                issues.append(
                    f"Row {i+2} [{track_id}]: init==end but count={expected_count} (expected 0 or 1)"
                )
        else:
            if expected_count < 1:
                issues.append(
                    f"Row {i+2} [{track_id}]: init!=end but count={expected_count} (expected >=1)"
                )
            if abs(expected_count - actual_count) > 1:
                issues.append(
                    f"Row {i+2} [{track_id}]: count={expected_count} actual_total={actual_count} (off by >1)"
                )
    else:
        if expected_count != 0:
            issues.append(
                f"Row {i+2} [{track_id}]: no SHAs but count={expected_count}"
            )

print(f"Total rows: {len(rows)}")
print(f"Issues: {len(issues)}")
for issue in issues[:30]:
    print(f"  {issue}")