from typing import List
from backend.Property import Property
from recommendations.Costs import Costs


class WindowsRecommendations:

    def __init__(self, property_instance: Property, materials: List):
        self.property = property_instance
        self.costs = Costs(self.property)

        self.recommendations = []

        self.glazing_materials = [
            material for material in materials if material["type"] == "window_glazing"
        ]

        # TODO: This will be populated with the works associated to upgrading glazing. This will involve removal of
        # previous glazing and installation of new glazing. This will not include the cost of the windows material
        # themselfs
        self.glazing_works_materials = []

    def recommend(self):
        """
        This method will recommend the best possible glazing options for a property.

        In order to do this, we need to estimate the number of windows that the home has. This information will be
        stored in the property object, under property.number_of_windows
        :return:
        """

        if not self.property.number_of_windows:
            raise ValueError("Number of windows not specified")