from .config import config as cfg
import re

class SQLLoader():

    def __init__(self, src_name, filepath) -> None:
        super().__init__(src_name, filepath)

    def _get_initial_load_query(self, query_name, query):
        match = re.search(r'with ' + query_name + ' as \((.*?)\)', query, re.DOTALL)
        if match:
            initial_load_query = match.group(1).strip()
            return initial_load_query
        else:
            return None

    def init_load(self):
        self._is_table_empty()
        self._get_initial_load_query(query_name, query)