import csv
import sys
import lzma
import os
import regex as re

out_file_name = "out.tsv"
out_sep = '\t'

months = {
    "January": "01",
    "February": "02",
    "March": "03",
    "April": "04",
    "May": "05",
    "June": "06",
    "July": "07",
    "August": "08",
    "September": "09",
    "October": "10",
    "November": "11",
    "December": "12"
}


def main(fname: str):
    dir_path = os.path.dirname(fname)
    out_path = os.path.join(dir_path, out_file_name)

    with lzma.open(fname, mode="rt", encoding="utf-8") as tsv_file:
        with open(out_path, "w") as out_file:
            reader = csv.reader(tsv_file, delimiter='\t')
            for item in reader:
                out_file.write(process_entry(item) + '\n')


def process_entry(entry: list) -> str:
    res = ""
    parameters = entry[1]
    for p in parameters.split(" "):
        t = entry[2]
        if p == "party":
            party = get_party(t)
            if party is not None:
                res += out_sep + "party=" + party

        elif p == "jurisdiction":
            jur = get_jurisdiction(t)
            if jur is not None:
                res += out_sep + "jurisdiction=" + jur

        elif p == "effective_date":
            ed = get_date(t)
            if ed is not None:
                t_ed = format_date(ed)
                if t_ed is not None:
                    res += out_sep + "effective_date=" + t_ed
    return res


def get_party(text: str):
    res = None
    m = re.search(
        r"between([\p{L}\s.,]+)(inc.|Inc.|INC.|Llc|LLC|llc)[\,\.]", text)
    if m is not None:
        res = m.group(1).strip().replace(",", "").replace(" ", "_")
        t = m.group(2).lower()
        res += ("_" + t.replace("inc.", "Inc.").replace("llc", "LLC"))
    return res


def get_jurisdiction(text: str):
    res = None
    m = re.search(
        r"laws? of the (?:(?:State of)|(?:Commonwealth of)) ([A-Z][a-z]+(?: [A-Z][a-z]+)?).+(?:(?: and)|[,.])", text)
    if m is not None:
        res = m.group(1).strip().replace(" ", "_")
    return res


def get_date(text: str):
    res = re.search(
        r"(1[0-2]|0[1-9])[/-](0[1-9]|[1|2][0-9]|3[0-1])[/-](0[1-9]|[1-9][0-9])", text)
    if res is not None:
        return res

    res = re.search(
        r"(0[1-9]|1[1-2])[/-](0[1-9]|1[1-9]|2[1-9]|3[0-1])[/-](19[0-9][0-9]|20[0-9][0-9])", text)
    if res is not None:
        return res

    res = re.search(
        r"([j|J]anuary|[f|F]ebruary|[m|M]arch|[A|a]pril|[M|m]ay|[J|j]une|[J|j]uly|[A|a]ugust|[S|s]eptember|[O|o]ctober|[n|N]ovember|[d|D]ecember)[,\s|\s]+(0[1-9]|[1-2][0-9]|3[0-1])[,\s|\s|,]+(19[0-9][0-9]|20[0-9][0-9])", text)

    return res


def format_date(date):
    res = None
    if date is not None:
        month = date[1]
        try:
            month = months[month]
        except(KeyError):
            pass

        day = date[2]

        year = date[3]

        if len(year) == 2:
            if int(year[0]) > 2:
                year = "19" + year
            else:
                year = "20" + year

        res = f"{year}-{month}-{day}"
    return res


if __name__ == "__main__":
    if len(sys.argv) < 2:
        raise Exception("Input file not provided")
    main(sys.argv[1])