import json
import re

from pyspark.sql.functions import udf
from pyspark.sql.types import *


@udf(returnType=ArrayType(StringType()))
def str_to_arr(json_str: str) -> list:
    if json_str:
        return json.loads(json_str)
    return []

@udf(returnType=ArrayType(MapType(StringType(), StringType())))
def str_to_map_arr(json_str: str) -> list:
    if json_str:
        return json.loads(json_str)
    return []
def merge_ws(text: str):
    if text:
        return ' '.join(text.split())
    return None


@udf(returnType=ArrayType(StringType()))
def explode_str_to_arr(text: str) -> list:
    if text is None:
        return []
    if len(text) <= 8:
        return [text]
    #大于8位时，从后往前，每少一位截取一个字符串,存入数组中
    return [text[:i] for i in range(len(text), 7, -1)]


def remove_special_char(text,char):
    if text is not None and text.endswith(char):
        return text[:-1]
    return text


if __name__ == '__main__':
    # arr = str_to_arr('[{"email":"aline@forusi.com.br","type":"prospect","status":"verified","position":"Analista de Recursos Humanos","firstName":"Aline","lastName":"Cavalheiro","companyName":"Forusi","sourcePage":"https://www.linkedin.com/in/aline-cavalheiro-bb3644b8"},{"email":"karina@forusi.com.br","type":"prospect","status":"verified","position":"Coordenadora de vendas","firstName":"Karina","lastName":"Evangelista de Oliveira","companyName":"Forusi","sourcePage":"https://www.linkedin.com/in/karina-evangelista-de-oliveira-412934a6"},{"email":"raphael@forusi.com.br","type":"prospect","status":"verified","position":"Comprador Pleno","firstName":"Raphael","lastName":"Mendonça","companyName":"Forusi","sourcePage":"https://www.linkedin.com/in/raphael-mendon%C3%A7a-a7b882116"}]')
    # print(type(arr))
    arr = explode_str_to_arr('fsdfsafas')
    print(arr)