package OOPmid;

import java.util.Scanner;

abstract class user  {
    protected String name;
    protected String email;


    public user(String name,String email){
        this.name=name;
        this.email=email;

    }
    public user(user x) {
        this.name=x.name;
        this.email=x.name;
    }
    abstract void printDetails();
}

class Operators extends user implements Calculations{
    Scanner scanner=new Scanner(System.in);
    protected int eNo;
    protected String desig;
    public Operators(String name, String email,int eNO, String desig){
        super(name,email);
        this.eNo=eNo;
        this.desig=desig;
    }
    public void printDetails() {
        System.out.println("Operator name is : "+this.name);
        System.out.println("Operator Email is : "+this.email);
        System.out.println("Operator Employee number is : "+this.eNo);
        System.out.println("Operator Designation is : "+this.desig);
        System.out.println("\n");

    }
    public void calcRevenue(Artist Object) {
        int NoOfDoenload;
        System.out.println("Enter the  number of downloads :");
        NoOfDownlaods=scanner.nextInt();
        double revenue;
        String conversion;
        double average = 0;
        try {
            for (int i=0;i<=4;i++) {
                for(int x=0;x<=0;x++) {
                    conversion=Object.SongList[i][x+1];
                    average=average+Integer.parseInt(conversion);
                }
            }
        }catch(ArrayIndexOutOfBoundsException e){
            e.printStackTrace();
            System.out.print("error");
        }
        average=average/5;
        revenue=average*NoOfDownlaod;
        System.out.println("Artist : "+Object.name);
        System.out.println("Album Revenue is LKR "+revenue);
    }

}

  class Artist extends user {
    Scanner scanner1=new Scanner(System.in);
    Scanner scanner2=new Scanner(System.in);
    protected String mGenre;
    protected int NoOfsong;
    protected String  [] [] SongList= new String [5][2];

    public Artist(String name,String email,String mGenre, int NoOfsongs) {
        super(name,email);
        this.mGenre=mGenre;
        this.NoOfsongs=NoOfsongs;

    }

    public void storesonglist() {
        String rate;
        String Sname;
        try {
        for(int i=0;i<=4;i++) {
            for(int x=0; x<=0; x++) {
                System.out.println("Enter Song : ");
                Sname=scanner1.nextLine();
                this.SongList[i][x]=Sname;
                try {
                    System.out.println("Enter rate: ");
                    rate=scanner2.nextLine();
                    Integer.parseInt(rate);
                    this.SongList[i][x+1]=rate;
                    Sname=null;
                }catch(NumberFormatException  e) {
                     e.printStackTrace();
                    System.out.println("You have not entered a Numeric value ");
                    System.out.println("Enter Enter a numeric value: ");
                    rate=scanner2.nextLine();
                    this.SongList[i][x+1]=rate;
                }
            }
        }
        System.out.println("\n");
        }
        catch(ArrayIndexOutOfBoundsException e){
            e.printStackTrace();
            System.out.print("error");
        }
    }

    public void DisplaySongList() {
        for (int i=0;i<=4;i++) {
            for (int x=0;x<=0;x++) {
                System.out.print(this.SongList[i][x]+"   "+this.SongList[i][x+1]+"\n");
                }
        }
    }

    public void printDetails () {
        System.out.println("Artist name is : "+this.name);
        System.out.println("Artist Email is : "+this.email);
        System.out.println("Artist Music Genre is  : "+this.mGenre);
        System.out.println("Number of Songs  :- "+this.NoOfsongs);
        this.DisplaySongList();
        System.out.println("\n");

    }

}

    interface Calculation{
        public void calcRevenue(Artist Object);
    }

class PlayASong {

    public static void main(String[] args) {
        Operators o1= new Operators("Simon", "Simon@playsong.com", 123, "accountant");
        Artist a1=new Artist("Pablo Albo", "pablo@gmail.com", "pop", 5);
        a1.storesonglist();
        a1.printDetails();
        o1.printDetails();
        o1.calcRevenue(a1);
        }
    }