import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;


public class Computer {

	private double speedProcessorGhs;
	private double ramProcessorHb;
	private int capacityHardDiskHb;
	private int powerSupplyVt;
	private boolean switchOn;
	private List<Program> installPrograms;


	public Computer() {
		super();
		this.switchOn = false;
		this.installPrograms = new ArrayList<>();
	}

	public Computer(double speedProcessorGhs, double ramProcessorHb, int capacityHardDiskHb, int powerSupplyVt) {
		super();
		this.speedProcessorGhs = speedProcessorGhs;
		this.ramProcessorHb = ramProcessorHb;
		this.capacityHardDiskHb = capacityHardDiskHb;
		this.powerSupplyVt = powerSupplyVt;
		this.switchOn = false;
		this.installPrograms = new ArrayList<>();
	}

	public double getSpeedProcessorGhs() {
		return speedProcessorGhs;
	}

	public void setSpeedProcessorGhs(double speedProcessorGhs) {
		this.speedProcessorGhs = speedProcessorGhs;
	}

	public double getRamProcessorHb() {
		return ramProcessorHb;
	}

	public void setRamProcessorHb(double ramProcessorHb) {
		this.ramProcessorHb = ramProcessorHb;
	}

	public int getCapacityHardDiskHb() {
		return capacityHardDiskHb;
	}

	public void setCapacityHardDiskHb(int capacityHardDiskHb) {
		this.capacityHardDiskHb = capacityHardDiskHb;
	}

	public int getPowerSupplyVt() {
		return powerSupplyVt;
	}

	public boolean isSwitchOn() {
		return switchOn;
	}

	public void setPowerSupplyVt(int powerSupplyVt) {
		this.powerSupplyVt = powerSupplyVt;
	}

	public void installProgram(Program program) throws ComputerAccessException {
		if(!this.switchOn) throw new ComputerAccessException("You can't use this program because computer is off");
		program.install();
		installPrograms.add(program);
	}


	public void runProgram(Program program) throws ComputerAccessException, NotFoundProgramException {
		if(!this.switchOn) throw new ComputerAccessException("You can't use this program because computer is off");
		if(installPrograms.isEmpty() || !installPrograms.contains(program)) throw new NotFoundProgramException("No install program");
		for(Program p: installPrograms) {
			if(p.equals(program)) {
				p.start();
			}
		}
	}

	public void stopProgram(Program program) throws ComputerAccessException, NotFoundProgramException{
		if(!this.switchOn) throw new ComputerAccessException("You can't use this program because computer is off");
		if(installPrograms.isEmpty() || !installPrograms.contains(program)) throw new NotFoundProgramException("No install program");
		for(Program p: installPrograms) {
			if(p.equals(program)) {
				p.stop();
			}
		}

	}

	public List<Program> showAllInstallProgram() {
		return installPrograms;
	}

	public List<Program> showAllRunPrograms() {
		return installPrograms.stream().filter(p -> p.isRun() == true).collect(Collectors.toList());
	}

	public void switchOn() {
		this.switchOn = true;
	}

	public void switchOff() {
		this.switchOn = false;
	}



	@Override
	public String toString() {
		return "Швидкодія процесора = " + speedProcessorGhs + ", Розмір оперативної пам'яті = " + ramProcessorHb
				+ ", Об'єм жорского диску = " + capacityHardDiskHb + ", Потужність блоку живлення = " + powerSupplyVt;
	}


}