from json import dumps



from json import dumps

class ManageController:
    def __init__(self, producer, topic='commands'):
        self.valve_state = "closed"  
        self.heater_state = "off"   
        self.producer = producer
        self.topic = topic

    def toggle_device(self, device, request_id, greenhouse_id):
        
        
        if device == 'valve':
           
            if self.valve_state == 'closed':
                self.valve_state = 'open'
                print("Valve opened")
            else:
                self.valve_state = 'closed'
                print("Valve closed")
        
        elif device == 'heater':
          
            if self.heater_state == 'off':
                self.heater_state = 'on'
                print("Heater turned on")
            else:
                self.heater_state = 'off'
                print("Heater turned off")

      
        self.send_status(request_id, greenhouse_id)

    def send_status(self, request_id, greenhouse_id):
       
        status = {
            'request_id': request_id,
            'greenhouse_id': greenhouse_id,
            'valve_state': self.valve_state,
            'heater_state': self.heater_state
        }
        self.producer.send(self.topic, value=status)
        print(f"Sent device status: {status}")