using System;

public class Pump {
	
	private int _pumpingCapacity;
	private WaterTank _itsTank;
	
	public int PumpingCapacity {
		get { return _pumpingCapacity; }
		set { _pumpingCapacity = value; }
	}
	
	
	public Pump(WaterTank tank, int pumpingCapacity){
		PumpingCapacity = pumpingCapacity;
		_itsTank = tank;
	}
	
	public void FullTankEventHandler(WaterLevelEventArgs e){
		Console.WriteLine("FullTankEventHandler: Draining the water tank!");
		_itsTank.ChangeWaterLevel(-PumpingCapacity);
	}
	
	public void EmptyTankEventHandler(WaterLevelEventArgs e){
		Console.Write("EmptyTankEventHandler: ");
		Console.WriteLine("Water tank has been drained! The water tank contains " + e.WaterLevel + " gallons!");
	}
	
	public void FillTankEventHandler(WaterLevelEventArgs e){
		Console.Write("FillTankEventHandler: ");
		Console.WriteLine("The water tank contains " + e.WaterLevel + " gallons!");
	}
	
	public void DrainTankEventHandler(WaterLevelEventArgs e){
		Console.Write("DrainTankEventHandler: ");
		Console.WriteLine("The water tank contains " + e.WaterLevel + " gallons!");
		_itsTank.ChangeWaterLevel(-PumpingCapacity);
		
	}
	
}