import hashlib, json
from collections import Counter
from alea.genbase import emit, q_choice, q_noul, q_score, validate_row, write_jsonl

def sig(r):
    return hashlib.sha256((json.dumps(r["state"],sort_keys=True,ensure_ascii=False)
        + json.dumps(r["questions"],sort_keys=True,ensure_ascii=False)).encode()).hexdigest()

def convert(ex, idx):
    kind = ex["kind"]
    keys = [o["key"] for o in ex["options"]]
    texts = [f'{o["key"]}: {o["description"]}' for o in ex["options"]]
    gold = ex["answer_key"]
    if gold not in keys:
        return None
    gi = keys.index(gold)
    if kind == "choice":
        q = q_choice("answer", ex["question"], texts,
                     [1.0 if i == gi else 0.0 for i in range(len(texts))])
    elif kind == "score":
        q = q_score("score", ex["question"], texts,
                    [1.0 if i == gi else 0.0 for i in range(len(texts))])
    elif kind == "noul":
        q = q_noul("answer", ex["question"], 1.0 if gold == "yes" else 0.0)
    else:
        return None
    row = emit("tev1_" + ex["source"], idx, ex["state"], [q])
    row["id"] = "tev1-" + ex["id"]
    row["provenance"] = {"dataset": "togethercomputer/tev1", "source": ex["source"],
                         "group_id": ex["group_id"], "split": ex["split"],
                         "upstream": ex.get("provenance")}
    validate_row(row)
    return row

def load(path):
    rows, seen = [], set()
    stats = Counter()
    for i, line in enumerate(open(path)):
        ex = json.loads(line)
        r = convert(ex, i)
        if r is None:
            stats["unsupported"] += 1
            continue
        h = sig(r)
        if h in seen:
            stats["dup"] += 1
            continue
        seen.add(h)
        rows.append(r)
        stats["src:" + ex["source"]] += 1
    return rows, seen, stats

train, tr_sigs, tr_stats = load("/root/tev1/data/new-v1/records/train.jsonl")
dev, dv_sigs, dv_stats = load("/root/tev1/data/new-v1/records/dev.jsonl")
tr_groups = {r["provenance"]["group_id"] for r in train}
overlap = sum(1 for r in dev if r["provenance"]["group_id"] in tr_groups)
dev = [r for r in dev if sig(r) not in tr_sigs]
transfer, tf_sigs, tf_stats = load("/root/tev1/data/v2.1/records/transfer.jsonl")
transfer = [r for r in transfer if sig(r) not in tr_sigs | dv_sigs]
write_jsonl(train, "/root/alea/data/tev1_train.jsonl")
write_jsonl(dev, "/root/alea/data/tev1_dev.jsonl")
write_jsonl(transfer, "/root/alea/data/tev1_transfer.jsonl")
print("train", len(train), dict(tr_stats))
print("dev", len(dev), "group_overlap_rows_removed_only_if_dup:", overlap, dict(dv_stats))
print("transfer", len(transfer), dict(tf_stats))