"""Bulk cross-check of chronology.md rows.

Run from repo root: uv run python scripts/audit/check_chronology_rows.py
"""
from __future__ import annotations
import subprocess
import sys
from pathlib import Path

# Add repo root to path so we can import the helper
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"))
errors: list[str] = []
checked = 0

for i, row in enumerate(rows):
    checked += 1
    folder_relpath = row["folder_link"]
    track_id = row["track_id"]

    folder = Path(folder_relpath)
    if not folder.is_dir():
        errors.append(f"Row {i+2} [{track_id}]: folder does not exist: {folder_relpath}")
        continue

    try:
        result = subprocess.run(
            ["git", "log", "--reverse", "--format=%h", "--", folder_relpath],
            capture_output=True, text=True, timeout=30, check=False,
        )
        actual_init = result.stdout.strip().splitlines()[0] if result.stdout.strip() else ""
        if row["init_sha"] != actual_init:
            errors.append(
                f"Row {i+2} [{track_id}]: init_sha mismatch: row={row['init_sha']!r} actual={actual_init!r}"
            )
    except Exception as exc:
        errors.append(f"Row {i+2} [{track_id}]: init_sha check failed: {exc}")

    try:
        result = subprocess.run(
            ["git", "log", "-1", "--format=%h", "--", folder_relpath],
            capture_output=True, text=True, timeout=30, check=False,
        )
        actual_end = result.stdout.strip()
        if row["end_sha"] != actual_end:
            errors.append(
                f"Row {i+2} [{track_id}]: end_sha mismatch: row={row['end_sha']!r} actual={actual_end!r}"
            )
    except Exception as exc:
        errors.append(f"Row {i+2} [{track_id}]: end_sha check failed: {exc}")

    date = row["date"]
    if date and not (len(date) == 10 and date[4] == "-" and date[7] == "-"):
        errors.append(f"Row {i+2} [{track_id}]: bad date format: {date!r}")

    if not row["status"]:
        errors.append(f"Row {i+2} [{track_id}]: empty status")

    if not row["summary"]:
        errors.append(f"Row {i+2} [{track_id}]: empty summary")

print(f"Checked: {checked} rows")
print(f"Errors: {len(errors)}")
if errors:
    print("All errors:")
    for e in errors:
        print(f"  {e}")