import os
from datetime import datetime, timedelta
from localconfig import STORESFILE, SORTED_PATH, log
import tempfile
import csv

stores_to_invoice = {}

def list_of_stores_on(YYYY, MM, DD):
    list_of_stores_in_folder = []
    folder = os.path.join(SORTED_PATH, YYYY, MM, DD)
    for root, dirs, files in os.walk(folder):
        for dir in dirs:
            if len(dir) == 4:
                list_of_stores_in_folder.append(dir)

    return list_of_stores_in_folder


def get_new_stores(stores_in_sorted):
    # open the csv file and crosslink it with the found stores in the folder
    new_stores = ''
    with open(STORESFILE, newline="", encoding="utf-8") as f_in:
        reader = csv.DictReader(f_in)
        for row in reader:
            if row["store"] in stores_in_sorted:
                stores_in_sorted.remove(row["store"])
    # now we are left with stores_in_sorted only holding stores not in our storesfile
    if len(stores_in_sorted) > 0:
        for s in stores_in_sorted:
            new_stores += f"{s},,,,,1\n"
            log(f"Found new store {s}. You can find it in {STORESFILE}",1)
    return new_stores



if __name__ == '__main__':
    today = datetime.today().date()
    yesterday = today -  timedelta(days=1)
    stores_poslogged = list_of_stores_on(yesterday.strftime('%Y'), yesterday.strftime('%m'), yesterday.strftime('%d'))
    csv_lines = get_new_stores(stores_poslogged)
    if len(csv_lines) > 1:
        with open(STORESFILE, "a", encoding="utf-8") as f:
            f.write(csv_lines)