#!/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 lxml import etree
import pandas as pd
from tqdm import tqdm

from project_settings import project_path


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

    parser.add_argument("--data_dir", default="./data/lcqmc", type=str)
    parser.add_argument(
        "--output_file",
        default=(project_path / "data/lcqmc.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 ["train.tsv", "dev.tsv", "test.tsv"]:
            filename = data_dir / name

            with open(filename.as_posix(), "r", encoding="utf-8") as fin:
                for row in fin:
                    row = str(row).strip()
                    splits = row.split("\t")

                    if name == "train.tsv":
                        q1, q2, label = splits
                        flag = "train"
                    elif name == "dev.tsv":
                        q1, q2, label = splits
                        flag = "validation"
                    elif name == "test.tsv":
                        q1, q2 = splits
                        label = None
                        flag = "test"
                    else:
                        raise AssertionError

                    label = str(int(label)) if label is not None else None

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

                    row = {
                        "sentence1": q1,
                        "sentence2": q2,
                        "label": label,
                        "data_source": "lcqmc",
                        "split": flag
                    }

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

    return


if __name__ == '__main__':
    main()