[Ahmish Nair] iP

src/main/java/Deadline.java

@@ -0,0 +1,14 @@
+public class Deadline extends Task {
+    private String by;
+    private String description;
+
+    public Deadline(String description, String by) {
+        super(description);
+        this.by = by;
+    }
+
+    @Override
+    public String toString() {
+        return "[D]" + super.toString() + " (by: " + by + ")";
+    }
+}

src/main/java/Event.java

@@ -0,0 +1,16 @@
+public class Event extends Task {
+    private String from;
+    private String to;
+    private String description;
+
+    public Event(String description, String from, String to) {
+        super(description);
+        this.from = from;
+        this.to = to;
+    }
+
+    @Override
+    public String toString() {
+        return "[E]" + super.toString() + " (from: " + from + " to: " + to + ")";
+    }
+}

src/main/java/Task.java

@@ -0,0 +1,37 @@
+public class Task {
+    private String description;
+    private boolean isDone;
+
+    public Task(String description) {
+        this.description = description;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public boolean getIsDone() {
+        return isDone;
+    }
+
+    public void setIsDone(boolean isDone) {
+        this.isDone = isDone;
+    }
+
+    public String status(){
+        return isDone ? "[X]" : "[ ]";
+    }
+
+    public String toString(){
+        return status() + " " + getDescription();
+    }
+}
+
+
+
+
+

src/main/java/TaskManager.java

@@ -0,0 +1,32 @@
+public class TaskManager {
+    private Task[] tasks;
+    private int taskCount;
+
+    public TaskManager(){
+        tasks = new Task[100];
+        taskCount = 0;
+    }
+
+    public void addTask(Task t) {
+        tasks[taskCount] = t;
+        taskCount++;
+        System.out.println("Got it. I've added this task:\n" + t.toString());
+    }
+
+    public void mark(int index) {
+        tasks[index].setIsDone(true);
+       System.out.println("Nice! I've marked this task as done:\n" + tasks[index].toString());
+    }
+
+    public void unmark(int index) {
+        tasks[index].setIsDone(false);
+        System.out.println("OK, I've marked this task as not done yet:\n" + tasks[index].toString());
+    }
+
+    public void listTask() {
+        System.out.println("Here are the tasks in your list:");
+        for (int i = 0; i < taskCount; i++) {
+            System.out.println((i + 1) + "." + tasks[i].toString());
+        }
+    }
+}

src/main/java/Todo.java

@@ -0,0 +1,12 @@
+public class Todo extends Task {
+
+    public Todo (String description) {
+        super(description);
+    }
+
+    @Override
+    public String toString() {
+        return "[T]" + super.toString();
+    }
+}
+

src/main/java/chatbot.java

@@ -0,0 +1,46 @@
+import java.util.Scanner;
+
+public class chatbot {
+    public static void main(String[] args) {
+        Scanner in = new Scanner(System.in);
+        TaskManager taskManager = new TaskManager();
+        System.out.print("Hello! I'm juan\n" + "What can I do for you?\n");
+
+
+        while (true) {
+            String input = in.nextLine();
+            if (input.equalsIgnoreCase("bye")) {
+                System.out.print("Bye. Hope to see you again soon!");
+                break;
+            } else if (input.equalsIgnoreCase("list")) {
+                taskManager.listTask();
+            }else if (input.startsWith("mark ")) {
+                int index = Integer.parseInt(input.substring(5)) - 1;
+                taskManager.mark(index);
+            } else if (input.startsWith("unmark ")) {
+                int index = Integer.parseInt(input.substring(7)) - 1;
+                taskManager.unmark(index);
+            } else if(input.startsWith("todo")) {
+                Todo todo = new Todo(input.substring(5));
+                taskManager.addTask(todo);
+            } else if(input.startsWith("deadline")) {
+                String[] parts = input.substring(9).split("/by");
+                String description = parts[0].trim();
+                String by = parts[1].trim();
+                Deadline deadline = new Deadline(description, by);
+                taskManager.addTask(deadline);
+            } else if(input.startsWith("event")) {
+                String[] parts = input.substring(6).split("/from|/to");
+                String description = parts[0].trim();
+                String from = parts[1].trim();
+                String to = parts[2].trim();
+                Event event = new Event(description, from, to);
+                taskManager.addTask(event);
+            } else if (input.startsWith("list")) {
+                taskManager.listTask();
+            }
+        }
+        }
+
+    }
+