#!/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
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/chip2019", type=str)
    parser.add_argument(
        "--output_file",
        default=(project_path / "data/chip2019.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 f:
        for name in ["train.csv", "dev_id.csv", "test_final.csv"]:
            filename = data_dir / name

            df = pd.read_csv(filename.as_posix())
            for i, row in df.iterrows():
                question1 = row["question1"]
                question2 = row["question2"]
                category = row["category"]

                if name == "train.csv":
                    label = row["label"]
                    flag = "train"
                elif name == "dev_id.csv":
                    label = None
                    flag = "validation"
                elif name == "test_final.csv":
                    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": question1,
                    "sentence2": question2,
                    "label": label,
                    "category": category,
                    "data_source": "chip2019",
                    "split": flag
                }

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

    return


if __name__ == '__main__':
    main()