#!/usr/bin/python3
# -*- coding: utf-8 -*-
import argparse
import json
import os
from pathlib import Path
import sys

pwd = os.path.abspath(os.path.dirname(__file__))
sys.path.append(os.path.join(pwd, '../../'))

from datasets import load_dataset
from tqdm import tqdm

from project_settings import project_path


def get_args():
    parser = argparse.ArgumentParser()

    parser.add_argument("--data_dir", default="./data/chinese_snli", type=str)

    parser.add_argument(
        "--output_file",
        default=(project_path / "data/chinese_snli.jsonl"),
        type=str
    )

    args = parser.parse_args()
    return args


def main():
    args = get_args()

    data_dir = Path(args.data_dir)

    with open(args.output_file, "w", encoding="utf-8") as fout:
        for name in ["cnsd_snli_v1.0.train.jsonl", "cnsd_snli_v1.0.dev.jsonl", "cnsd_snli_v1.0.test.jsonl"]:
            filename = data_dir / name
            with open(filename, "r", encoding="utf-8") as fin:
                for row in fin:
                    row = json.loads(row)
                    sentence1 = row["sentence1"]
                    sentence2 = row["sentence2"]
                    gold_label = row["gold_label"]

                    if gold_label not in ("entailment", "neutral", "contradiction", "-"):
                        print(gold_label)
                        raise AssertionError

                    if gold_label in ("-",):
                        continue

                    label = "1" if gold_label in ("entailment",) else "0"
                    category = gold_label

                    if name == "cnsd_snli_v1.0.train.jsonl":
                        flag = "train"
                    elif name == "cnsd_snli_v1.0.dev.jsonl":
                        flag = "validation"
                    elif name == "cnsd_snli_v1.0.test.jsonl":
                        flag = "test"
                    else:
                        raise AssertionError

                    if label not in ("0", "1", None):
                        raise AssertionError

                    row = {
                        "sentence1": sentence1,
                        "sentence2": sentence2,
                        "label": label,
                        "category": category,
                        "data_source": "Chinese-SNLI",
                        "split": flag
                    }

                    row = json.dumps(row, ensure_ascii=False)
                    fout.write("{}\n".format(row))

    return


if __name__ == '__main__':
    main()