[rohitcube] iP

src/main/java/Dukey.java

@@ -0,0 +1,157 @@
+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class Dukey {
+    public static void main(String[] args) {
+        ArrayList<Task> tasks = new ArrayList<>();
+        Scanner scanner = new Scanner(System.in);
+
+        String logo = " ____        _        \n"
+                + "|  _ \\ _   _| | _____ \n"
+                + "| | | | | | | |/ / _ \\\n"
+                + "| |_| | |_| |   <  __/\n"
+                + "|____/ \\__,_|_|\\_\\___|\n";
+        String line = "------------------------";
+
+        System.out.println(logo);
+        System.out.println("User");
+        System.out.println("ToDos: tasks without any date/time attached to it e.g., visit new theme park");
+        System.out.println("Deadlines: tasks that need to be done before a specific date/time e.g., submit report by 11/10/2019 5pm");
+        System.out.println("Events: tasks that start at a specific date/time and ends at a specific date/time");
+
+
+        System.out.println(line);
+
+        while (true) {
+            String userInput = scanner.nextLine();
+
+            if (userInput.equals("bye")) {
+                System.out.println(line);
+                System.out.println("Bye. Hope to see you again soon!");
+                break;
+            } else if (userInput.equals("list")) {
+                System.out.println(line);
+                if (tasks.isEmpty()) {
+                    System.out.println("No tasks in the list.");
+                } else {
+                    for (int i = 0; i < tasks.size(); i++) {
+                        System.out.println((i + 1) + "." + tasks.get(i));
+                    }
+                }
+            } else if (userInput.startsWith("deadline ")) {
+                String[] parts = userInput.split("/by");
+                String description = parts[0].substring(9).trim();
+                String by = parts[1].trim();
+                tasks.add(new Deadline(description, by));
+                System.out.println(line);
+                System.out.println("Got it. I've added this task:");
+                System.out.println("  " + tasks.get(tasks.size() - 1));
+                System.out.println("Now you have " + tasks.size() + " tasks in the list.");
+            } else if (userInput.startsWith("event ")) {
+                String[] parts = userInput.split("/from | /to ");
+                String description = parts[0].substring(6).trim();
+                String from = parts[1].trim();
+                String to = parts[2].trim();
+                tasks.add(new Event(description, from, to));
+                System.out.println(line);
+                System.out.println("Got it. I've added this task:");
+                System.out.println("  " + tasks.get(tasks.size() - 1));
+                System.out.println("Now you have " + tasks.size() + " tasks in the list.");
+            } else if (userInput.startsWith("mark ")) {
+                int taskIndex = Integer.parseInt(userInput.split(" ")[1]) - 1;
+                if (taskIndex >= 0 && taskIndex < tasks.size()) {
+                    tasks.get(taskIndex).markAsDone();
+                    System.out.println(line);
+                    System.out.println("Nice! I've marked this task as done:");
+                    System.out.println("  " + tasks.get(taskIndex));
+                } else {
+                    System.out.println(line);
+                    System.out.println("Invalid task index.");
+                }
+            } else if (userInput.startsWith("unmark ")) {
+                int taskIndex = Integer.parseInt(userInput.split(" ")[1]) - 1;
+                if (taskIndex >= 0 && taskIndex < tasks.size()) {
+                    tasks.get(taskIndex).markAsNotDone();
+                    System.out.println(line);
+                    System.out.println("OK, I've marked this task as not done yet:");
+                    System.out.println("  " + tasks.get(taskIndex));
+                } else {
+                    System.out.println(line);
+                    System.out.println("Invalid task index.");
+                }
+            } else {
+                tasks.add(new Todo(userInput));
+                System.out.println(line);
+                System.out.println("added: " + userInput);
+            }
+
+            System.out.println(line);
+        }
+    }
+}
+
+class Task {
+    protected String description;
+    protected boolean isDone;
+
+    public Task(String description) {
+        this.description = description;
+        this.isDone = false;
+    }
+
+    public void markAsDone() {
+        this.isDone = true;
+    }
+
+    public void markAsNotDone() {
+        this.isDone = false;
+    }
+
+    public String getStatusIcon() {
+        return (isDone ? "[X]" : "[ ]");
+    }
+
+    @Override
+    public String toString() {
+        return getStatusIcon() + " " + description;
+    }
+}
+
+class Todo extends Task {
+    public Todo(String description) {
+        super(description);
+    }
+}
+
+class Deadline extends Task {
+    protected String by;
+
+    public Deadline(String description, String by) {
+        super(description);
+        this.by = by;
+    }
+
+    @Override
+    public String toString() {
+        return "[D]" + super.toString() + " (by: " + by + ")";
+    }
+}
+
+class Event extends Task {
+    protected String from;
+    protected String to;
+
+    public Event(String description, String from, String to) {
+        super(description);
+        this.from = from;
+        this.to = to;
+    }
+}
+
+
+
+
+
+
+
+