# -*- coding: utf-8 -*-
"""K-IPTAB 로더. 입력(context)만으로 leak-free 모델 입력을 구성.
사용:
  from load import load, build_input
  recs = load("comb", "test")
  x = build_input(recs[0])     # 모델 입력 문자열 (정답/근거 미포함)
  y = recs[0]["answer"]        # 정답
"""
import json, pathlib
HERE = pathlib.Path(__file__).parent

def load(task, split=None):
    assert task in ("verdict", "chart", "comb")
    recs = [json.loads(l) for l in open(HERE/f"kiptab_{task}.jsonl", encoding="utf-8")]
    return [r for r in recs if r["split"] == split] if split else recs

def build_input(rec):
    """모델 입력 = 청구항 + 선행기술 명세서 (context만; answer/rationale 제외)."""
    c = rec["context"]
    pa = "\n\n".join(
        f"[{p.get('ref','')}|{p.get('country','')}] {p.get('title','')}\n{p.get('claims') or p.get('abstract') or ''}"
        for p in (c.get("prior_art_specifications") or [])
    )
    return f"[청구항]\n{c.get('claims','')}\n\n[선행기술]\n{pa}"

if __name__ == "__main__":
    for task in ("verdict", "chart", "comb"):
        recs = load(task)
        sp = {}
        for r in recs: sp[r["split"]] = sp.get(r["split"], 0) + 1
        print(f"{task}: {len(recs)} ({sp})  | 입력 예시 {len(build_input(recs[0]))}자")