[Ee Hong Zhi] ip

src/main/java/Deadline.java

@@ -0,0 +1,19 @@
+public class Deadline extends Task{
+    private String deadline;
+    public Deadline(String description, String deadline){
+        super(description);
+        this.deadline = deadline;
+    }
+
+    @Override
+    public void show(){
+        System.out.print("[D][");
+        if(isDone){
+            System.out.print("X");
+        }
+        else{
+            System.out.print(" ");
+        }
+        System.out.println("] " + description + " (by: " + deadline + ")");
+    }
+}

src/main/java/Duke.java

@@ -1,10 +1,129 @@
+import java.util.Scanner;
+
 public class Duke {
-    public static void main(String[] args) {
-        String logo = " ____        _        \n"
-                + "|  _ \\ _   _| | _____ \n"
-                + "| | | | | | | |/ / _ \\\n"
-                + "| |_| | |_| |   <  __/\n"
-                + "|____/ \\__,_|_|\\_\\___|\n";
-        System.out.println("Hello from\n" + logo);
+    static private Task[] taskList = new Task[100];
+    static private int numTasks = 0;
+
+    public static void printLine(){
+        System.out.println("____________________________________________________________");
     }
-}
+
+    public static void main(String[] args){
+
+        System.out.println("Hello! I'm TheChattyFatty");
+
+        Scanner scanner = new Scanner(System.in);
+
+        while(true) {
+            printLine();
+            System.out.println("What can I do for you?");
+            String response = scanner.nextLine();
+
+            // For handling keyword responses with multiple words
+            String[] words = response.split(" ");
+
+            String keyword = words[0];
+
+            // Handle "bye" keyword
+            if(response.equals("bye")) {
+                break;
+            }
+
+            // Handle "list" keyword
+            else if(response.equals("list")) {
+                for (int i = 0; i < numTasks; i++) {
+                    taskList[i].show();
+                }
+            }
+
+            else if(keyword.equals("mark")){
+                // Check exception: number of words is not 2
+                if(words.length != 2){
+                    System.out.println("Please enter with correct format: mark [Integer]");
+                }
+                // Check exception: second word cannot be converted to integer or integer out of bounds
+                try{
+                    int markIndex = Integer.parseInt(words[1]);
+
+                    if(markIndex < 1 || markIndex > numTasks){
+                        System.out.println("Please enter a positive integer less than or equal to current number of tasks (" + numTasks + ")");
+                        continue;
+                    }
+
+                    taskList[markIndex - 1].mark();
+                }
+                catch(NumberFormatException e){
+                    System.out.println("Please enter with correct format: mark [Integer]");
+                }
+            }
+
+            else if(keyword.equals("unmark")){
+                // Check exception: number of words is not 2
+                if(words.length != 2){
+                    System.out.println("Please enter with correct format: unmark [Integer]");
+                }
+
+                // Check exception: second word cannot be converted to integer or integer out of bounds
+                try{
+                    int markIndex = Integer.parseInt(words[1]);
+
+                    if(markIndex < 1 || markIndex > numTasks){
+                        System.out.println("Please enter a positive integer less than or equal to current number of tasks (" + numTasks + ")");
+                        continue;
+                    }
+
+                    taskList[markIndex - 1].unmark();
+                }
+                catch(NumberFormatException e){
+                    System.out.println("Please enter with correct format: unmark [Integer]");
+                }
+            }
+
+            else if(keyword.equals("todo")){
+                String description = response.substring(5);
+                taskList[numTasks] = new ToDo(description);
+                numTasks++;
+
+                System.out.println("Created new ToDo:");
+                System.out.println(description);
+            }
+
+            else if(keyword.equals("deadline")){
+                String description = response.substring(9);
+                System.out.println("Please enter the deadline:");
+                String deadline = scanner.nextLine();
+
+                taskList[numTasks] = new Deadline(description, deadline);
+                numTasks++;
+
+                System.out.println("Created new Deadline:");
+                System.out.println(description);
+                System.out.println("Due: " + deadline);
+            }
+
+            else if(keyword.equals("event")) {
+                String description = response.substring(6);
+                System.out.println("Please enter event start period:");
+                String start = scanner.nextLine();
+                System.out.println("Please enter event end period:");
+                String end = scanner.nextLine();
+
+                taskList[numTasks] = new Event(description, start, end);
+                numTasks++;
+
+                System.out.println("Created new Event:");
+                System.out.println(description);
+                System.out.println("From: " + start);
+                System.out.println("To: " + end);
+            }
+
+            else{
+                System.out.println("Invalid keyword");
+                System.out.println("Valid keywords are: list, todo, deadline, event, mark, unmark, bye");
+            }
+
+        }
+
+        System.out.println("Bye. Hope to see you again soon!");
+    }
+}

src/main/java/Event.java

@@ -0,0 +1,22 @@
+public class Event extends Task{
+    private String start;
+    private String end;
+
+    public Event(String description, String start, String end){
+        super(description);
+        this.start = start;
+        this.end = end;
+    }
+
+    @Override
+    public void show(){
+        System.out.print("[D][");
+        if(isDone){
+            System.out.print("X");
+        }
+        else{
+            System.out.print(" ");
+        }
+        System.out.println("] " + description + " (" + start + " to " + end + ")");
+    }
+}

src/main/java/Task.java

@@ -0,0 +1,32 @@
+public class Task{
+    protected String description;
+    protected boolean isDone;
+
+    public Task(String description){
+        this.description = description;
+        isDone = false;
+    }
+
+    public void show(){
+        System.out.print("[?][");
+        if(isDone){
+            System.out.print("X");
+        }
+        else{
+            System.out.print(" ");
+        }
+        System.out.println("] " + description);
+    }
+
+    public void mark(){
+        isDone = true;
+        System.out.println("Marked as done:");
+        System.out.println(description);
+    }
+
+    public void unmark(){
+        isDone = false;
+        System.out.println("Marked as not done yet:");
+        System.out.println(description);
+    }
+}

src/main/java/ToDo.java

@@ -0,0 +1,17 @@
+public class ToDo extends Task{
+    public ToDo(String description){
+        super(description);
+    }
+
+    @Override
+    public void show(){
+        System.out.print("[T][");
+        if(isDone){
+            System.out.print("X");
+        }
+        else{
+            System.out.print(" ");
+        }
+        System.out.println("] " + description);
+    }
+}