from backend.Property import Property
from recommendations.FloorRecommendations import FloorRecommendations
from recommendations.WallRecommendations import WallRecommendations
from recommendations.RoofRecommendations import RoofRecommendations
from recommendations.VentilationRecommendations import VentilationRecommendations
from recommendations.FireplaceRecommendations import FireplaceRecommendations
from recommendations.LightingRecommendations import LightingRecommendations
from recommendations.SolarPvRecommendations import SolarPvRecommendations
from recommendations.WindowsRecommendations import WindowsRecommendations
from recommendations.HeatingRecommender import HeatingRecommender
from recommendations.HotwaterRecommendations import HotwaterRecommendations
from recommendations.SecondaryHeating import SecondaryHeating
from recommendations.Recommendations import Recommendations


class Mds:
    """
    Handles the contruction of the MDS report
    """

    def __init__(self, property_instance: Property, materials):
        self.property_instance = property_instance

        self.floor_recommender = FloorRecommendations(property_instance=property_instance, materials=materials)
        self.wall_recommender = WallRecommendations(property_instance=property_instance, materials=materials)
        self.roof_recommender = RoofRecommendations(property_instance=property_instance, materials=materials)
        self.ventilation_recomender = VentilationRecommendations(
            property_instance=property_instance, materials=materials
        )
        self.fireplace_recommender = FireplaceRecommendations(property_instance=property_instance)
        self.lighting_recommender = LightingRecommendations(property_instance=property_instance, materials=materials)
        self.windows_recommender = WindowsRecommendations(property_instance=property_instance, materials=materials)
        self.solar_recommender = SolarPvRecommendations(property_instance=property_instance)
        self.heating_recommender = HeatingRecommender(property_instance=property_instance)
        self.hotwater_recommender = HotwaterRecommendations(property_instance=property_instance)
        self.secondary_heating_recommender = SecondaryHeating(property_instance=property_instance)

    def build(self):
        if self.property_instance.measures is None:
            raise NotImplementedError("No measures in the property - implement me")

        measures = self.property_instance.measures

        measure_config_list = [list(m.keys())[0] for m in measures]

        not_implemented_measures = [
            "party_wall_insulation",
            "ground_source_heat_pump",
            "shared_ground_loops",
            "communal_heat_networks",
            "district_heating_networks",
            "solar_thermal",
            "draught_proofing",
            "ev_charging",
            "battery",
        ]
        # Check if we have a not implemented measure
        if any([m in not_implemented_measures for m in measure_config_list]):
            raise NotImplementedError("Not implemented measure in the property - implement me")

        mds_recommendations = []
        errors = []

        # TODO: Could use a decarator to reduce the boilerplate code - insert_recommendation_id and then the append

        if "external_wall_insulation" in measure_config_list:
            recs = self.wall_recommender.mds_recommend_ewi(phase=0)
            if not recs:
                raise Exception("No recommendations for external wall insulation")
            recs = self.insert_recommendation_id(recs, measures, "external_wall_insulation")
            mds_recommendations.append(recs)

        if "cavity_wall_insulation" in measure_config_list:
            recs = self.wall_recommender.mds_recommend_cavity_wall_insulation(phase=0)
            recs = self.insert_recommendation_id(recs, measures, "cavity_wall_insulation")
            mds_recommendations.append(recs)

        if "loft_insulation" in measure_config_list:
            # Check if the roof is suitable for loft insulation
            if self.property_instance.roof['is_roof_room']:
                errors.append("Roof is a room")
            else:
                recs = self.roof_recommender.mds_loft_insulation(phase=0)
                if not recs:
                    raise Exception("No recommendations for loft insulation")
                recs = self.insert_recommendation_id(recs, measures, "loft_insulation")
                mds_recommendations.append(recs)

        if "internal_wall_insulation" in measure_config_list:
            raise Exception("check me out 4")
            self.wall_recommender.recommend(phase=0)

        if "suspended_floor_insulation" in measure_config_list:
            raise Exception("check me out 5")
            self.floor_recommender.recommend(phase=0)

        if "solid_floor_insulation" in measure_config_list:
            raise Exception("check me out 6")
            self.floor_recommender.recommend(phase=0)

        if "air_source_heat_pump" in measure_config_list:
            recs = self.heating_recommender.recommend_air_source_heat_pump(
                phase=0, has_cavity_or_loft_recommendations=False, _return=True
            )
            recs = self.insert_recommendation_id(recs, measures, "air_source_heat_pump")
            mds_recommendations.append(recs)

        if "electric_storage_heaters" in measure_config_list:
            recs = self.heating_recommender.recommend_hhr_storage_heaters(
                phase=0, system_change=True, heating_controls_only=False, _return=True
            )
            recs = self.insert_recommendation_id(recs, measures, "electric_storage_heaters")
            mds_recommendations.append(recs)

        if "low_energy_lighting" in measure_config_list:
            raise Exception("check me out 9")
            self.lighting_recommender.recommend(phase=0)

        if "cylinder_insulation" in measure_config_list:
            raise Exception("check me out 10")
            self.hotwater_recommender.recommend(phase=0)

        if "smart_controls" in measure_config_list:
            raise Exception("check me out 11")
            self.heating_recommender.recommend(phase=0)

        if "zone_controls" in measure_config_list:
            raise Exception("check me out 12")
            self.heating_recommender.recommend(phase=0)

        if "trvs" in measure_config_list:
            raise Exception("check me out 13")
            self.heating_recommender.recommend(phase=0)

        if "solar_pv" in measure_config_list:
            recs = self.solar_recommender.mds_recommend(phase=0, solar_pv_percentage=0.5)
            recs = self.insert_recommendation_id(recs, measures, "solar_pv")
            mds_recommendations.append(recs)

        if "double_glazing" in measure_config_list:
            raise Exception("check me out 15")
            self.windows_recommender.recommend(phase=0)

        if "mechanical_ventilation" in measure_config_list:
            raise Exception("check me out 16")
            self.ventilation_recomender.recommend(phase=0)

        if "gas_boiler" in measure_config_list:
            raise Exception("check me out 17")
            self.heating_recommender.recommend(phase=0)

        if "flat_roof_insulation" in measure_config_list:
            raise Exception("check me out 18")
            self.roof_recommender.recommend(phase=0)

        if "room_in_roof_insulation" in measure_config_list:
            raise Exception("check me out 19")
            self.roof_recommender.recommend(phase=0)

        property_representative_recommendations = Recommendations.create_representative_recommendations(
            mds_recommendations, non_invasive_recommendations=[]
        )

        return property_representative_recommendations, errors

    @staticmethod
    def insert_recommendation_id(recommendations, measures, measure_name):
        # Insert the recommendation identifier into this recommendation
        measure_config = [m for m in measures if measure_name in m][0]
        for r in recommendations:
            r["recommendation_id"] = list(measure_config.values())[0]

        return recommendations