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

from tqdm import tqdm

from project_settings import project_path


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

    parser.add_argument(
        "--data_dir",
        default=(project_path / "original_data/DoubanConversaionCorpus").as_posix(),
        type=str
    )
    parser.add_argument(
        "--output_file",
        default=(project_path / "data/douban.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 filename in tqdm(data_dir.glob("*.txt")):
            with open(filename, "r", encoding="utf-8") as fin:
                for row in fin:
                    splits = row.split("\t")
                    label = splits[0]
                    conversation = splits[1:]
                    if label != "1":
                        continue

                    row = {
                        "conversation": [
                            {
                                "role": "human" if i % 2 == 0 else "assistant",
                                "message": "".join(str(c).strip().split())
                            }
                            for i, c in enumerate(conversation)
                        ],
                        "category": filename.stem,
                        "data_source": "chatterbot",
                    }
                    row = json.dumps(row, ensure_ascii=False)
                    fout.write("{}\n".format(row))

    return


if __name__ == '__main__':
    main()