#!/usr/bin/env python3
"""Verify speed-only L30 hashes on the 24 m crossing against L29."""
import re
import subprocess
import time
from pathlib import Path

ROOT = Path(__file__).resolve().parents[4]
OUT = ROOT / "Saved/Linux/l30"
OUT.mkdir(parents=True, exist_ok=True)
BINARIES = {
    "clang": ROOT / "Saved/Linux/l30/bin/VoxelForgeCoreHeadless-linux30-speed-fade",
    "gcc": ROOT / "Saved/Linux/l30/bin/VoxelForgeCoreHeadless-linux30-speed-fade-gcc",
}
PATTERN = re.compile(r"^\[Pipeline(?:FullDetailHash|WholeViewHash|LODHash|ExactQueryHash)\].*$", re.M)
passed = True
for compiler, binary in BINARIES.items():
    for recipe in ("surface-world", "floating-islands"):
        reference_path = ROOT / f"Saved/Linux/linux29-final-crossing24-{compiler}-{recipe}.log"
        reference = PATTERN.findall(reference_path.read_text(encoding="utf-8"))
        for workers in (1, 8, 12):
            name = f"crossing-speedonly-default-{compiler}-{recipe}-w{workers}"
            logfile = OUT / f"{name}.log"
            command = [
                "prlimit", "--as=6442450944", "--", str(binary),
                str(ROOT / "Standalone/data/owner_world.json"),
                "--world-assembler-prototype", "--stream-benchmark", "--stream-pipeline",
                "--stream-hash", "--force-generate", "--clip-radius=3",
                "--max-clip-level=8", f"--workers={workers}",
                "--camera-step=24,0,0",
                "--region-crossing", f"--recipe={recipe}",
            ]
            started = time.monotonic()
            with logfile.open("w", encoding="utf-8") as stream:
                subprocess.run(command, stdout=stream, stderr=subprocess.STDOUT,
                               check=True, timeout=1800)
            elapsed = time.monotonic() - started
            rows = PATTERN.findall(logfile.read_text(encoding="utf-8", errors="replace"))
            ok = len(reference) == 12 and rows == reference
            passed &= ok
            print(f"{compiler} {recipe} W{workers} elapsed={elapsed:.3f}s "
                  f"hash_rows={len(rows)} {'MATCH' if ok else 'MISMATCH'}", flush=True)
print(f"[CrossingSpeedOnly] runs=12 status={'PASS' if passed else 'FAIL'}", flush=True)
raise SystemExit(0 if passed else 1)