#!/usr/bin/env python3
"""Compare every L18 SurfaceWorld matrix hash row with the approved L14 reference."""
import re
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[4]
RUNS = ROOT / "Saved/Linux/l18-matrix"
REFERENCE = ROOT / "Saved/Linux/l14-final-hash-sw-clang-off-w12-r5.log"
PATTERN = re.compile(r"^\[Pipeline(?:FullDetailHash|WholeViewHash|LODHash|ExactQueryHash)\].*$", re.M)
expected = PATTERN.findall(REFERENCE.read_text(encoding="utf-8"))
if not expected or len(expected) != 12:
    raise SystemExit(f"invalid L14 reference hash rows: {len(expected)}")
logs = sorted(RUNS.glob("surface-world-*.log"))
if len(logs) != 14:
    raise SystemExit(f"expected 14 SurfaceWorld matrix logs, found {len(logs)}")
failed = []
for path in logs:
    actual = PATTERN.findall(path.read_text(encoding="utf-8", errors="replace"))
    if actual != expected:
        failed.append(path.name)
        print(f"[SurfaceHashMismatch] {path.name} expected={len(expected)} actual={len(actual)}")
print(f"[SurfaceHashGate] reference={REFERENCE.name} rows={len(logs)} expected_rows=14 "
      f"result={'FAIL' if failed else 'PASS'}")
raise SystemExit(1 if failed else 0)