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import re
from utils import (
    read_json_file,
    read_jsonl_file,
    write_json_file,
    write_jsonl_file,
    parse,
)


def preprocess_for_train_and_dev(args, file):
    path = args.input_dir + "/" + file
    data = read_jsonl_file(path)

    turns = []
    for i in range(len(data)):
        t = {
            "turn": "multi",
            "domain": [data[i]["topic"]],
            "locale": "en",
            "dialog": [],
            "summary": "",
        }
        dialogues = re.split("\\n|\\r\\n", data[i]["dialogue"])
        for dialog in dialogues:
            ro = re.search("(#.+#): ", dialog)
            ru = re.split("#:", dialog)

            if ro.group(1) is None:
                print(dialog)
                exit()
            d = {"roles": [ro.group(1)], "utterance": ru[1].strip()}
            t["dialog"].append(d)
        t["summary"] = data[i]["summary"]

        turns.append(t)

    write_jsonl_file(turns, args.output_dir + "/" + file)


def preprocess_for_test(args, file):
    path = args.input_dir + "/" + file
    data = read_jsonl_file(path)

    turns = []
    for i in range(len(data)):
        t = {
            "turn": "multi",
            "domain": [data[i]["topic1"], data[i]["topic2"], data[i]["topic3"]],
            "locale": "en",
            "dialog": [],
            "summary": "",
        }
        dialogues = re.split("\\n|\\r\\n", data[i]["dialogue"])
        for dialog in dialogues:
            ro = re.search("(#.+#):", dialog)
            ru = re.split("#:", dialog)

            if ro is None:
                print(dialog)
                exit()
            d = {"roles": [ro.group(1)], "utterance": ru[1].strip()}
            t["dialog"].append(d)
        t["summary"] = "__multi_ref_sep__".join(
            [data[i]["summary1"], data[i]["summary2"], data[i]["summary3"]]
        )

        turns.append(t)

    write_jsonl_file(turns, args.output_dir + "/" + file)


def preprocess(args):
    preprocess_for_train_and_dev(args, "dialogsum.train.jsonl")
    preprocess_for_train_and_dev(args, "dialogsum.dev.jsonl")
    preprocess_for_test(args, "dialogsum.test.jsonl")


if __name__ == "__main__":
    args = parse()
    preprocess(args)