[Tze Loong] iP

src/main/java/Deadline.java

@@ -0,0 +1,15 @@
+public class Deadline extends Tasks {
+
+  protected String by;
+
+  public Deadline(String description, String by) {
+    super(description);
+    this.by = by;
+  }
+
+  @Override
+  public String toString() {
+    return "[D]" + super.toString() + "(by:" + by + ")";
+  }
+
+}

src/main/java/Duke.java

@@ -1,10 +1,106 @@
+import java.util.Scanner;
+
 public class Duke {
-    public static void main(String[] args) {
+
+    private static Tasks[] list_of_tasks = new Tasks[101];
+    private static int counter = 0;
+
+    public static void greet_user() {
+        System.out.println("Hello! I'm Duke \n");
         String logo = " ____        _        \n"
                 + "|  _ \\ _   _| | _____ \n"
                 + "| | | | | | | |/ / _ \\\n"
                 + "| |_| | |_| |   <  __/\n"
                 + "|____/ \\__,_|_|\\_\\___|\n";
-        System.out.println("Hello from\n" + logo);
+        System.out.println(logo);
+        System.out.println("How can i help u? \n");
+    }
+
+    public static void print_action() {
+        System.out.println("\n");
+        System.out.println("I have added this task: ");
+        System.out.println(list_of_tasks[counter - 1].toString());
+
+        System.out.println("You now have " + counter + " tasks in the list.");
+    }
+
+    public static void Todo(String description) {
+        Tasks t = new ToDo(description);
+        list_of_tasks[counter] = t;
+        counter++;
+        print_action();
+    }
+
+    public static void Deadline(String description, String by) {
+        Deadline d = new Deadline(description, by);
+        list_of_tasks[counter] = d;
+        counter++;
+        print_action();
+    }
+
+    public static void Event(String description, String start, String end) {
+        Event E = new Event(description, start, end);
+        list_of_tasks[counter] = E;
+        counter++;
+        print_action();
+    }
+
+    public static void List() {
+        System.out.println("Here are all of your " + counter + " tasks: ");
+        for (int i = 0; i < counter; i++) {
+            System.out.println(i + 1 + "." + list_of_tasks[i].toString());
+        }
+    }
+
+    public static void main(String[] args) {
+        greet_user();
+
+        Scanner scan = new Scanner(System.in);
+        String input = scan.nextLine();
+        String[] command = input.split(" ", 2);
+
+        while (!"bye".equals(input)) {
+            switch (command[0]) {
+                case "todo":
+                    Todo(command[1]);
+                    break;
+                case "deadline":
+                    String[] d = command[1].split("/by", 2);
+                    String d_description = d[0];
+                    String d_by = d[1];
+                    Deadline(d_description, d_by);
+                    break;
+                case "event":
+                    String[] e = command[1].split("/", 3);
+                    String e_description = e[0];
+                    String e_start = e[1];
+                    String e_end = e[2];
+                    Event(e_description, e_start, e_end);
+                    break;
+                case "list":
+                    List();
+                    break;
+                case "mark":
+                    Integer m_index = Integer.valueOf(command[1]);
+                    list_of_tasks[m_index - 1].markAsDone();
+                    System.out.println("Nice! This task is completed");
+                    System.out.println(list_of_tasks[m_index - 1].toString());
+                    break;
+                case "unmark":
+                    Integer u_index = Integer.valueOf(command[1]);
+                    list_of_tasks[u_index - 1].markAsUnDone();
+                    System.out.println("Nice! This task is completed");
+                    System.out.println(list_of_tasks[u_index - 1].toString());
+                    break;
+                default:
+                    System.out.println("There was an error. Please try again");
+                    break;
+            }
+            input = scan.nextLine();
+            command = input.split(" ", 2);
+        }
+        System.out.println("Goodbye. Hope to see u again :) \n");
+        scan.close();
     }
-}
+
+}

src/main/java/Event.java

@@ -0,0 +1,15 @@
+public class Event extends Tasks {
+  protected String start;
+  protected String end;
+
+  public Event(String description, String start, String end) {
+    super(description);
+    this.start = start;
+    this.end = end;
+  }
+
+  @Override
+  public String toString() {
+    return "[E]" + super.toString() + "(" + start + end + ")";
+  }
+}

src/main/java/Tasks.java

@@ -0,0 +1,28 @@
+public class Tasks {
+
+  protected String description;
+  protected boolean isDone;
+
+  public Tasks(String description) {
+    this.description = description;
+    this.isDone = false;
+  }
+
+  public String getStatusIcon() {
+    return (isDone ? "[X]" : "[ ]"); // mark done task with X
+  }
+
+  public void markAsDone() {
+    this.isDone = true;
+  }
+
+  public void markAsUnDone() {
+    this.isDone = false;
+  }
+
+  @Override
+  public String toString() {
+    return getStatusIcon() + " " + description;
+  }
+
+}

src/main/java/ToDo.java

@@ -0,0 +1,11 @@
+public class ToDo extends Tasks {
+
+  public ToDo(String description) {
+    super(description);
+  }
+
+  @Override
+  public String toString() {
+    return "[T]" + super.toString();
+  }
+}