#!/usr/bin/env python3
"""Run current-source W12 L77 route/phase and exact-call censuses."""
from __future__ import annotations

import json
import subprocess
import time
from pathlib import Path

ROOT = Path(__file__).resolve().parents[4]
OUT = ROOT / "Saved/Linux/l103/census"
DATA = ROOT / "Standalone/data/owner_world.json"
BINARY = ROOT / "Saved/Linux/l103/profile-bin/VoxelForgeCoreHeadless-l103-profile-clang"
CAMERAS = {
    "SW": (8.0, 16.0, -372.2626953125),
    "FI": (25.8369140625, 3.19921875, -737.0),
    "TN": (19.166015625, -14.2001953125, -753.3740234375),
    "VS": (-20.0625, -5.068359375, -900.353515625),
}


def run(stratum: str, replicate: int) -> dict:
    OUT.mkdir(parents=True, exist_ok=True)
    log = OUT / f"{stratum.lower()}-r{replicate}.log"
    camera = ",".join(f"{value:.12f}" for value in CAMERAS[stratum]) + ",0,0"
    command = [
        "taskset", "-c", "0-11", "prlimit", "--as=6442450944", "--", "timeout", "1740s",
        str(BINARY), str(DATA), "--world-assembler-prototype", "--stream-benchmark",
        "--stream-pipeline", "--workers=12", "--clip-radius=3", "--max-clip-level=8",
        "--max-level=8", f"--camera={camera}",
        "--profile-lod-work", "--profile-passage-composer", "--linux77-profile",
    ]
    started = time.monotonic()
    with log.open("w", encoding="utf-8") as stream:
        result = subprocess.run(command, cwd=ROOT, stdout=stream, stderr=subprocess.STDOUT,
                                check=False, timeout=1740)
    row = {"stratum": stratum, "replicate": replicate, "workers": 12,
           "exit_code": result.returncode,
           "wall_s": round(time.monotonic() - started, 3),
           "log": str(log.relative_to(ROOT))}
    print("[L103CensusRun] " + json.dumps(row, sort_keys=True), flush=True)
    if result.returncode:
        raise RuntimeError(f"census run failed: {log}, exit={result.returncode}")
    return row


def main() -> int:
    if not BINARY.is_file() or not DATA.is_file():
        raise SystemExit(f"missing input: {BINARY} or {DATA}")
    runs = []
    # Three balanced rounds cover every stratum; reverse order in the middle.
    orders = (("SW", "FI", "TN", "VS"), ("VS", "TN", "FI", "SW"),
              ("FI", "SW", "VS", "TN"))
    for replicate, order in enumerate(orders, 1):
        for stratum in order:
            runs.append(run(stratum, replicate))
            (OUT / "runs-partial.json").write_text(
                json.dumps(runs, indent=2) + "\n", encoding="utf-8")
    (OUT / "runs.json").write_text(json.dumps(runs, indent=2) + "\n", encoding="utf-8")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())