#!/usr/bin/env python3
"""Run TELEN L3 initial training only after every frozen gate passes."""

from __future__ import annotations

import argparse
import json
import sys
from pathlib import Path

REPO_ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(REPO_ROOT / "src"))

from telen.experiment import (  # noqa: E402
    BundleValidationError,
    GateAuthorizationError,
    run_l3_development_pilot,
)


def parse_args() -> argparse.Namespace:
    parser = argparse.ArgumentParser(
        description=(
            "Train the predeclared three-seed L3 development pilot. The command "
            "fails closed unless expert and base-score receipts authorize every "
            "hash-frozen input; test rows are rejected."
        )
    )
    parser.add_argument("--manifest", type=Path, required=True)
    parser.add_argument("--output-dir", type=Path, required=True)
    parser.add_argument("--device", default="cpu")
    return parser.parse_args()


def main() -> None:
    args = parse_args()
    try:
        result = run_l3_development_pilot(
            args.manifest, args.output_dir, device=args.device
        )
    except (GateAuthorizationError, BundleValidationError) as exc:
        print(
            json.dumps(
                {
                    "artifact_type": "telen_l3_training_refusal",
                    "authorized": False,
                    "reason": str(exc),
                },
                ensure_ascii=False,
                indent=2,
            )
        )
        raise SystemExit(2) from exc
    print(json.dumps(result, ensure_ascii=False, indent=2))


if __name__ == "__main__":
    main()