"""CLI: run gates G1..G5 for a pier (stops at the first failing gate unless --keep-going).

usage: python run_gates.py <pier data dir> <run dir> [--gates G1 G2 ...] [--keep-going]
The pier data dir holds params.json (generator) and expected.json (independent drawing values).
"""
import argparse
import json
import sys
from pathlib import Path

APP = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(APP))
from engine.gates import run_gate  # noqa: E402
from engine.pipeline import gate_ids  # noqa: E402

if __name__ == "__main__":
    ap = argparse.ArgumentParser()
    ap.add_argument("data")
    ap.add_argument("run")
    ap.add_argument("--gates", nargs="*", default=gate_ids())
    ap.add_argument("--keep-going", action="store_true")
    a = ap.parse_args()
    data, run = Path(a.data), Path(a.run)
    out = []
    for g in a.gates:
        rep = run_gate(g, data / "params.json", data / "expected.json", run, log=lambda m: print(m, flush=True))
        out.append({k: rep[k] for k in ("gate", "verdict", "summary", "unplanned_fails", "secs")})
        if rep["verdict"] != "PASS" and not a.keep_going:
            break
    (run / "gates_summary.json").write_text(json.dumps(out, ensure_ascii=False, indent=1), encoding="utf-8")
    sys.exit(0 if all(r["verdict"] == "PASS" for r in out) and len(out) == len(a.gates) else 1)