[kevinz420] iP

src/main/java/Duke.java

@@ -1,10 +1,60 @@
+import java.util.Scanner;
+
 public class Duke {
+    private static Task[] tasks = new Task[100];
+
     public static void main(String[] args) {
-        String logo = " ____        _        \n"
-                + "|  _ \\ _   _| | _____ \n"
-                + "| | | | | | | |/ / _ \\\n"
-                + "| |_| | |_| |   <  __/\n"
-                + "|____/ \\__,_|_|\\_\\___|\n";
-        System.out.println("Hello from\n" + logo);
+        System.out.println("Hello! I'm KevBot");
+        System.out.println("What can I do for you?");
+
+
+        Scanner in = new Scanner(System.in);
+        String line;
+        while (in.hasNextLine()) {
+            line = in.nextLine();
+            if (line.equals("bye")) {
+                break;
+            } else if (line.equals("list")) {
+                printTasks();
+            } else if (line.contains("mark")) {
+                int divider = line.indexOf(" ");
+                int idx = Integer.parseInt(line.substring(divider + 1)) - 1;
+                if (idx < 0 || tasks[idx] == null) {
+                    System.out.println("Sorry! That's not a valid task");
+                    continue;
+                }
+
+                markTask(idx, line.startsWith("mark"));
+            } else {
+                addTask(line);
+            }
+        }
+        System.out.println("Bye. Hope to see you again soon!");
+    }
+
+    public static void markTask(int index, boolean isDone) {
+        tasks[index].setStatus(isDone);
+        if (isDone) {
+            System.out.println("Nice! I've marked this task as done:");
+        } else {
+            System.out.println("OK, I've marked this task as not done yet:");
+        }
+        System.out.println(tasks[index].getFormattedTask());
+    }
+
+    public static void printTasks() {
+        for (int i = 0; i < tasks.length && tasks[i] != null; i++) {
+            System.out.println((i + 1) + ". " + tasks[i].getFormattedTask());
+        }
+    }
+
+    public static void addTask(String task) {
+        for (int i = 0; i < tasks.length; i ++) {
+            if (tasks[i] == null) {
+                tasks[i] = new Task(task);
+                break;
+            }
+        }
+        System.out.println("added: " + task);
     }
 }