package midoop;

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 obj1) {
        this.Name=obj1.Name;
        this.Email=obj1.Email;
    }
    abstract void printDetails();
}
  class Artist extends User {
    Scanner myscanner1=new Scanner(System.in);
    Scanner myscanner2=new Scanner(System.in);
    protected String music_Genre;
    protected int num_of_songs;
    protected String  [] [] SongList= new String [5][2];

    public Artist(String Name,String Email,String music_Genre, int num_of_songs) {
        super(Name,Email);
        this.music_Genre=music_Genre;
        this.num_of_songs=num_of_songs;

    }

    public void song_List() {
        String Rate;
        String Song_Name;
        try {
        for(int a=0;a<=4;a++) {
            for(int b=0; b<=0; b++) {
                System.out.println("Enter Song: ");
                Song_Name=myscanner1.nextLine();
                this.Song_List[a][b]=Song_Name;
                try {
                    System.out.println("Enter the rate: ");
                    Rate=myscanner2.nextLine();
                    Integer.parseInt(Rate);
                    this.Song_List[a][b+1]=Rate;
                    Song_Name=null;
                }catch(NumberFormatException  e) {
                     e.printStackTrace();
                    System.out.println("You didn't entered  Number, ");
                    System.out.println("Enter a number: ");
                    Rate=myscanner2.nextLine();
                    this.Song_List[a][b+1]=Rate;
                }
            }
        }
        System.out.println("\n\n\n\n");
        }
        catch(ArrayIndexOutOfBoundsException e){
            e.printStackTrace();
            System.out.print("Error 345");
        }
    }

    public void DisplaySongList() {
        for (int a=0;a<=4;a++) {
            for (int b=0;b<=0;b++) {
                System.out.print(this.Song_List[a][b]+"   "+this.Song_List[a][b+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.music_Genre);
        System.out.println("Number of Songs  :- "+this.num_of_songs);
        this.DisplaySongList();
        System.out.println("\n\n\n\n");

    }

}

    interface Calculation{
        public void calculateRevenue(Artist Obj2);
    }

class PlayASong {

    public static void main(String[] args) {
        Operator oprate1= new Operator("Simon", "Simon@playsong.com", 123, "accountant");
        Artist art1=new Artist("Pablo Albo", "pablo@gmail.com", "pop", 5);
        art1.song_List();
        art1.printDetails();
        oprate1.printDetails();
        oprate1.calculateRevenue(art1);
        }
    }

class Operator extends User implements Calculation{
    Scanner myscanner=new Scanner(System.in);
    protected int employeeno;
    protected String Job_Title;
    public Operator(String Name, String Email,int employeeno, String Job_Title){
        super(Name,Email);
        this.employeeno=employeeno;
        this.Job_Title=Job_Title;
    }
    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.employeeno);
        System.out.println("Operator Designation is : "+this.Job_Title);
        System.out.println("\n\n\n\n");

    }
    public void calculateRevenue(Artist Obj2) {
        int No_Downlaods;
        System.out.println("Enter number of downloads :");
        No_Downlaods=myscanner.nextInt();
        double Income;
        String convet_point;
        double average = 0;
        try {
            for (int a=0;a<=4;a++) {
                for(int b=0;b<=0;b++) {
                    convert_point=Obj2.SongList[a][b+1];
                    average=average+Integer.parseInt(convert_point);
                }
            }
        }catch(ArrayIndexOutOfBoundsException e){
            e.printStackTrace();
            System.out.print("error 345");
        }
        average=average/5;
        Income=average*No_Downlaods;
        System.out.println("Artist : "+Obj2.Name);
        System.out.println("Album Revenue is LKR "+Income);
    }

}