import sys
import json
import requests

class EnergyMeter:
    def __init__(self, config):
        self.ID = config.get("ID")
        self.IP = config.get("IP")
        self.Adr = config.get("Adr")
        
        
    def get_current_value(self):        
        raise NotImplementedError("Subclasses must implement use_energy method")



    @staticmethod
    def create_meterlist_from_json(json_data):
        subclasses = [cls for cls in sys.modules[__name__].__dict__.values() if isinstance(cls, type) and issubclass(cls, EnergyMeter) and cls != EnergyMeter]
    
        energy_meters = []
        data = json.loads(json_data)
    
        for user_data in data["meters"]:
            user_type = user_data["type"]
            user_config = user_data["config"]
            for subclass in subclasses:
                if user_type in subclass.__name__:
                    energy_meters.append(subclass(user_config))
    
        return energy_meters

    @staticmethod
    def get_all_current_values(meters):
        data = {"Meter_Sum": {"success": True, "Current_AC_Phase_1": 0, "Current_AC_Phase_2": 0, "Current_AC_Phase_3": 0, "PowerReal_P_Sum": 0}}
        for meter in meters:
            if isinstance(meter, EnergyMeter):
                current_value = meter.get_current_value()
                meter_data = {
                    "success": current_value["success"],
                    "Current_AC_Phase_1": current_value.get("Current_AC_Phase_1", 0),
                    "Current_AC_Phase_2": current_value.get("Current_AC_Phase_2", 0),
                    "Current_AC_Phase_3": current_value.get("Current_AC_Phase_3", 0),
                    "PowerReal_P_Sum": current_value.get("PowerReal_P_Sum", 0)
                }
                data[meter.ID] = meter_data
                if current_value["success"]:
                    data["Meter_Sum"]["success"] &= True
                    data["Meter_Sum"]["Current_AC_Phase_1"] += meter_data["Current_AC_Phase_1"]
                    data["Meter_Sum"]["Current_AC_Phase_2"] += meter_data["Current_AC_Phase_2"]
                    data["Meter_Sum"]["Current_AC_Phase_3"] += meter_data["Current_AC_Phase_3"]
                    data["Meter_Sum"]["PowerReal_P_Sum"] += meter_data["PowerReal_P_Sum"]
                else:
                    data["Meter_Sum"]["success"] &= False
        return data



class Meter1(EnergyMeter):
    
    def __init__(self, config):
        self.ID = config.get("ID")
        self.IP = config.get("IP")
        self.Adr = config.get("Adr")
        
        
    def get_current_value(self):        
        raise NotImplementedError("Subclasses must implement use_energy method")

class Meter2(EnergyMeter):
    
    def __init__(self, config):
        self.ID = config.get("ID")
        self.IP = config.get("IP")
        self.Adr = config.get("Adr")
        
        
        
    def get_current_value(self):
                
        raise NotImplementedError("Subclasses must implement use_energy method")


class Fronius(EnergyMeter):
    
    def __init__(self, config):
        self.ID = config.get("ID")
        self.IP = config.get("IP")
        self.Adr = config.get("Adr")
        
        
    def get_current_value(self):
        url = f"http://{self.IP}/solar_api/v1/GetMeterRealtimeData.cgi?Scope=System"
        try:
            response = requests.get(url)
            if response.status_code == 200:
                data = response.json()
                if "Body" in data and "Data" in data["Body"]:
                    meter_data = data["Body"]["Data"]
                    if str(self.Adr) in meter_data:
                        meter_values = meter_data[str(self.Adr)]
                        current_ac_phase_1 = meter_values.get("Current_AC_Phase_1", 0)
                        current_ac_phase_2 = meter_values.get("Current_AC_Phase_2", 0)
                        current_ac_phase_3 = meter_values.get("Current_AC_Phase_3", 0)
                        power_real_p_sum = meter_values.get("PowerReal_P_Sum", 0)
                        return {"success": True,
                                "Current_AC_Phase_1": current_ac_phase_1,
                                "Current_AC_Phase_2": current_ac_phase_2,
                                "Current_AC_Phase_3": current_ac_phase_3,
                                "PowerReal_P_Sum": power_real_p_sum}
                return {"success": False}
            else:
                return {"success": False}
        except Exception as e:
            print(f"An error occurred: {str(e)}")
            return {"success": False}