from decimal import Decimal
from database import session




def calc_home_factor(gallons_put_in_home, current_house_factor):

  
        if 200.01 <= gallons_put_in_home <= 500:
            customer_home_factor = Decimal(current_house_factor) + Decimal(1)
        elif 170.01 <= gallons_put_in_home <= 200:
            customer_home_factor = Decimal(current_house_factor) + Decimal(1.5)
        elif 150.01 <= gallons_put_in_home <= 170:
            customer_home_factor = Decimal(current_house_factor) + Decimal(1.25)
        elif 120.01 <= gallons_put_in_home <= 150:
            customer_home_factor = Decimal(current_house_factor) - Decimal(.25)
        elif 90.01 <= gallons_put_in_home <= 120:
            customer_home_factor = Decimal(current_house_factor) - Decimal(.50)
        elif 0.01 <= gallons_put_in_home <= 90:
            customer_home_factor = Decimal(current_house_factor) - Decimal(.75)
        else:
            customer_home_factor = Decimal(current_house_factor)

        return customer_home_factor