package tasklist;

import java.util.*;
public class Task
{
   private String name;
   private int priority;

   public Task()
   {
      this.name = "none";
      this.priority = 1;
   }

   public Task(String name, int priority)
   {
      if(name.length() > 35){
      name = name.substring(0, 35);
   }
        if(priority < 1 || priority > 5){
            priority = 1;
        }
        this.name = name;
        this.priority = priority;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getPriority() {
        return priority;
    }

    public void setPriority(int priority)
    {
        this.priority = priority;
    }

    @Override
    public String toString()
    {
        return "Task{" + "name = " + name + ", priority = " + priority + '}';
    }

   @Override
   public boolean equals(Object obj)
   {
      if (this == obj)
      {
         return true;
      }
      if (obj == null)
      {
         return false;
      }
      if (getClass() != obj.getClass())
      {
         return false;
      }
      final Task other = (Task) obj;
      if (this.priority != other.priority)
      {
         return false;
      }
      if (!Objects.equals(this.name, other.name))
      {
         return false;
      }
      return true;
   }

}

package tasklist;

import java.util.Scanner;
public class TaskDriver {
    public static void main(String[] args){

        TaskList list = new TaskList();
        Scanner input = new Scanner(System.in);
        int choice = 0;
        do{
        System.out.println("Press n1. Print the task listn2. Print the number of tasksn3. Add a taskn4. Remove a taskn5. Print the next task to be donen6. Sort the tasks by priorityn7. Change the priority scalen8. Quit");
        System.out.println("Enter choice: ");
        choice = input.nextInt();
            switch (choice) {
                case 1:
                    System.out.println("Task list is: ");
                    System.out.println(list.toString());
                    break;
                case 2:
                    System.out.println(list.getCount());
                    break;
                case 3:
                    System.out.println("Enter task name: ");
                    String name = input.next();
                    System.out.println("Enter task priority (1-5): ");
                    int priority = input.nextInt();
                    Task t = new Task(name,priority);
                    list.addTask(t);
                    System.out.println("Task added successfully!");
                    break;
                case 4:
                    {
                        System.out.println("Here is the list of tasks:");
                        System.out.println(list.toString());
                        System.out.println("Enter number of task to delete:");
                        int index = input.nextInt();
                        list.deleteTask(index);
                        break;
                    }
                case 5:
                    System.out.println(list.next().toString());
                    break;
                case 6:
                    System.out.println(list.printTasks(list.sort()));
                    break;
                case 7:
                    {
                        System.out.println("Enter 1 to make 1 highest priority anything else will make 5 highest priority:");
                        int index = input.nextInt();
                        if(index == 1){
                            list.setOrder(true);
                        }else{
                            list.setOrder(false);
                        }           break;
                    }
                case 8:
                    System.exit(0);
                default:
                    System.out.println("Invalid choice, try again");
                    break;
            }




        }while(choice != 8);
    }
}

package tasklist;

import java.util.Arrays;
public class TaskList{

    public final int max = 20;
    private Task[] list = new Task[max];
    private int count;
    private boolean order;

    public TaskList() {
        this.count = 0;
        this.order = true;
    }
    public TaskList(Task[] list) {
        this.list = list;
    }
    public int getCount() {
        return count;
    }

    public boolean isOrder() {
        return order;
    }

    public void setOrder(boolean order) {
        this.order = order;
    }
    public void addTask(Task t){
        list[count] = t;
        count++;
    }
    public void deleteTask(int index){
        index--;
        Task[] temp = new Task[max];
        int k = 0;
        for(int i = 0; i < list.length; i++){
            if( i == index){
               continue;
            }
            temp[k++] = list[i];
        }
        list = temp;
        count--;
    }
    public Task[] sort(){
        Task[] temp = new Task[count];
        for(int i = 0; i < count; i++){
          temp[i] = list[i];
        }
        if(order){
            Arrays.sort(temp, (Task t1, Task t2) -> t1.getPriority() - t2.getPriority());
        }else{
            Arrays.sort(temp, (Task t1, Task t2) -> t2.getPriority() - t1.getPriority());
        }
        return temp;
    }

    public Task next(){
        if(count == 0){
            return null;
        }
        else{
        Task[] temp;
        temp = sort();
        return temp[1];
        }
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final TaskList other = (TaskList) obj;
        if (!Arrays.deepEquals(this.list, other.list)) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        String data = "";
        for(int i = 0; i < count; i++){
               data = data+ (i+1) + "- " + list[i].getName() + ", " + Integer.toString(list[i].getPriority());
               data = data + "n";
        }

        return data;
    }

    public String printTasks(Task[] list){
        String data = "";
        for(int i = 0; i < count; i++){
               data = data+ (i+1) + "- " + list[i].getName() + ", " + Integer.toString(list[i].getPriority());
               data = data + "n";
        }
        return data;
    }

}