package PS4;

import javax.swing.*;

public class TelecomTest {
    public static void main(String[] args) {
        int countFailed= 0;
        TelecomDevice[] device= new TelecomDevice[20];
        System.out.println("Failed devices");
        for (int i=0; i < 20; i++) {
            if (i < 12)
                device[i]= new T1("CAS");
            else 
                device[i]= new FW("LMDS");
            device[i].computeStatus();
            if (device[i].getStatus().equals("Failed")) {
                System.out.println(device[i].getID() + " " + device[i].getStatus());
                countFailed++;
            }
        }
        System.out.println(" ");
        
        while (countFailed > 0) {
            String input= JOptionPane.showInputDialog("Enter ID to clear failure");
            int id= Integer.parseInt(input);
            for (int j=0; j< 20; j++) {
                if (device[j].getID()== id) {
                    device[j].printData();
                    if (device[j].getStatus().equals("Failed")) {
                        device[j].setStatus("Active");
                        System.out.println("Set active\n");
                        countFailed--;
                    }
                    break;
                }
            }
        }
        System.out.println("All network devices active");
        System.exit(0);
    }
}

abstract class TelecomDevice {
    private int ID;
    private String status;
    private String functionalType;
    private String type;
    private static int nextID= 0;
    public TelecomDevice() {
        ID= nextID++;
        status= "Active";
    }
    
    public String getStatus() {
        return status;
    }
    
    public int getID() {
        return ID;
    }
    
    public abstract void computeStatus();
    
    public void setStatus(String s) {
        status= s;
    }
    
    public void setType(String t ) {
        type= t;
    }
    public void setFunctionalType(String f) {
        functionalType= f;
    }
    
    public void printData() {
        System.out.println("ID: " + ID);
        System.out.println("Type: " + type);
        System.out.println("Status: " + status);
        System.out.println("Functional type:" + functionalType);
    }
}

abstract class Access extends TelecomDevice {
    private double nominalBandwidth;
    private double actualBandwidth;
    private int channels;
    private double errorRate;
    private double errorThreshold;
    
    public Access(double nb, double ab, int ch, double er, double et) {
        super();
        nominalBandwidth= nb;
        actualBandwidth= ab;
        channels= ch;
        errorRate= er;
        errorThreshold= et;
        super.setFunctionalType("Access");
    }
    
    public void computeStatus() {
        if (errorRate > errorThreshold)
            setStatus("Failed");
    }
    public double getBandwidth() {
        return actualBandwidth;
    }
    
    public void printData() {
        super.printData();
        System.out.println(" Nominal bandwidth " + nominalBandwidth);
        System.out.println(" Actual bandwidth " + actualBandwidth);
        System.out.println(" Channels " + channels);
        System.out.println(" Error rate " + errorRate);
        System.out.println(" Error threshold " + errorThreshold);
    }
}

class T1 extends Access {
    private String signaling;
    public T1(String sig) {
        super(1.5, 1.5, 24, 12.0*Math.random(), 10.0);
        setType("T1");
        signaling= sig;
    }
    public void printData() {
        super.printData();
        System.out.println("  Signaling " + signaling);
    }
}

class FW extends Access {
    private String tech;
    public FW(String t) {
        super(64.0, 64.0*Math.random(), 2, 100.0*Math.random(), 50.0);
        super.setType("FW");
        tech= t;
    }
    
    public void computeStatus() {
        super.computeStatus();
        if ((getBandwidth() < 8.0 && tech.equals("MMDS"))
        || (getBandwidth() < 16.0 && tech.equals("LMDS")) || (getBandwidth() < 32.0 && tech.equals("NB")))
            setStatus("Failed");
    }
    
    public void printData() {
        super.printData();
        System.out.println("  Technology " + tech);
    }
}