from __future__ import annotations

import argparse
import json
import sys
from pathlib import Path

PROJECT_ROOT = Path(__file__).resolve().parents[1]
if str(PROJECT_ROOT) not in sys.path:
    sys.path.insert(0, str(PROJECT_ROOT))

from app.core.bootstrap import build_intent_registry
from app.services.joint_nlu import JointBertNLU


def main() -> None:
    parser = argparse.ArgumentParser(description="评测 Joint BERT NLU 单句意图与槽位输出")
    parser.add_argument("--text", type=str, required=True, help="待评测文本")
    parser.add_argument("--model-path", type=str, default="models/local_joint_bert_nlu", help="模型目录")
    args = parser.parse_args()

    registry = build_intent_registry()
    nlu = JointBertNLU(model_path=args.model_path)
    result = nlu.predict(args.text, registry.list())
    print(
        json.dumps(
            {
                "text": args.text,
                "intent_id": result.intent_id,
                "intent_score": round(result.intent_score, 4),
                "candidates": [
                    {"intent_id": item.intent_id, "score": round(item.score, 4)}
                    for item in result.candidates
                ],
                "multi_intent_candidates": [
                    {"intent_id": item.intent_id, "score": round(item.score, 4)}
                    for item in result.multi_intent_candidates
                ],
                "slots": result.slots,
                "slot_items": [
                    {
                        "slot_name": item.slot_name,
                        "value": item.value,
                        "start": item.start,
                        "end": item.end,
                        "score": item.score,
                    }
                    for item in result.slot_items
                ],
                "error_message": result.error_message,
            },
            ensure_ascii=False,
            indent=2,
        )
    )


if __name__ == "__main__":
    main()