[Kairos Koh] iP

src/main/java/Deadline.java

@@ -0,0 +1,23 @@
+public class Deadline extends Task{
+
+    protected final static char LETTER = 'D';
+    protected String date;
+
+    public Deadline(String description, String date) {
+        super(description);
+        this.date = date;
+    }
+
+    public String toString() {
+        return description;
+    }
+
+    public char getLetter() {
+        return LETTER;
+    }
+
+    public String getDate() {
+        return "(by: " + date + ")";
+    }
+
+}

src/main/java/Duke.java

@@ -1,10 +1,181 @@
+
+import java.util.Scanner;
+
 public class Duke {
+
     public static void main(String[] args) {
+
+        // Welcome Message
+        PrintWelcomeMessage();
+
+        // Active Chat
+        ActiveChat();
+
+        // Goodbye Message
+        PrintGoodbyeMessage();
+    }
+
+    private static void ActiveChat() {
+        boolean isBye = false;
+        boolean isEmptyList = true;
+        String input;
+        Scanner in = new Scanner(System.in);
+        int counter = 0;
+        Task[] list = new Task[100];
+
+        while(!isBye){
+            //store input
+            input = in.nextLine();
+            //check if input is empty
+            CheckIsEmptyList(list);
+            //process input
+            if (input.equals("bye")){ //check if bye
+                isBye = true;
+            } else if (input.equals("list")) { //check if list
+                ProcessList(counter, list);
+            } else if (input.contains("done") ) { //check if done
+                ProcessDone(input, list);
+            } else {
+                counter = ProcessTasks(input, counter, list); //process tasks
+            }
+        }
+    }
+
+    private static void CheckIsEmptyList(Task[] list) {
+        boolean isEmptyList;
+        if(list[0] != null) {
+            isEmptyList = false;
+        }
+    }
+
+    private static void ProcessList(int counter, Task[] list) {
+        if (list[0] != null){
+            PrintListMessage(counter, list);
+        } else {
+            PrintListButEmptyMessage();
+        }
+    }
+
+    private static void ProcessDone(String input, Task[] list) {
+        int donePos = input.indexOf("done");
+        if (list[0] != null) {
+            if (input.length() < donePos + 5) {
+                PrintDoneButNotSpecificMessage(); //when input contains done but no number
+            } else {
+                ProcessDone(input, list, donePos); //when input contains done and specified number
+            }
+        } else {
+            PrintDoneButEmptyMessage(); //when input contains done but list is empty
+        }
+    }
+
+    private static void ProcessDone(String input, Task[] list, int donePos) {
+        String itemNumDone = input.substring(donePos + 5, donePos + 6);
+        int itemNum = Integer.parseInt(itemNumDone);
+        list[itemNum - 1].setDone();
+        PrintDoneMessage(list, itemNum);
+    }
+
+    private static int ProcessTasks(String input, int counter, Task[] list) {
+        if (input.contains("todo")) {
+            String description = input.substring(5);
+            ToDo newTask = new ToDo(description);
+            list[counter] = newTask;
+            counter += 1;
+            PrintAddedTaskMessage(newTask, counter);
+        } else if (input.contains("deadline")) {
+            int donePos = input.indexOf("/"); //finds pos of '/'
+            String description = input.substring(9,donePos);
+            String date = input.substring(donePos + 4);
+            Deadline newTask = new Deadline(description,date);
+            list[counter] = newTask;
+            counter += 1;
+            PrintAddedTaskMessage(newTask, counter);
+        } else if (input.contains("event")) {
+            int donePos = input.indexOf("/"); //finds pos of '/'
+            String description = input.substring(6,donePos);
+            String date = input.substring(donePos + 4);
+            Event newTask = new Event(description,date);
+            list[counter] = newTask;
+            counter += 1;
+            PrintAddedTaskMessage(newTask, counter);
+        } else {
+            System.out.println("Please specify tasks: todo, deadline or event");
+            System.out.println("Example - type in the following: todo read book");
+        }
+        return counter;
+    }
+
+    private static void PrintDoneMessage(Task[] list, int itemNum) {
+        System.out.println("--------------------");
+        System.out.println("Nice! I've marked this task as done:");
+        System.out.println( itemNum + ".[" + list[itemNum - 1].getStatusIcon() + "] " + list[itemNum - 1].getDescription() );
+        System.out.println("--------------------");
+    }
+
+    private static void PrintListMessage(int counter, Task[] list) {
+        System.out.println("--------------------");
+        System.out.println("Here are the tasks in your list:");
+        for(int i = 0; i < counter; i += 1){
+            PrintListOfTaskSubMessage(list[i], i);
+        }
+        System.out.println("--------------------");
+    }
+
+    private static void PrintListButEmptyMessage() {
+        System.out.println("--------------------");
+        System.out.println("List is empty. Time to get productive!");
+        System.out.println("--------------------");
+    }
+
+    private static void PrintDoneButNotSpecificMessage() {
+        System.out.println("Please specify which task is done.");
+    }
+
+    private static void PrintDoneButEmptyMessage() {
+        System.out.println("--------------------");
+        System.out.println("Unable to tick off list.");
+        System.out.println("List is empty. Time to get productive!");
+        System.out.println("--------------------");
+    }
+
+    private static void PrintAddedTaskMessage(Task task, int i) {
+        System.out.println("--------------------");
+        System.out.println("Got it. I've added this task: ");
+        System.out.println("[" + task.getLetter() + "] "
+                + "[" + task.getStatusIcon() + "] "
+                + task.getDescription()
+                + task.getDate() );
+        System.out.println("Now you have " + i + " tasks in the list.");
+        System.out.println("--------------------");
+    }
+
+    private static void PrintListOfTaskSubMessage(Task task, int i) {
+        System.out.println(i + 1
+                + ".[" + task.getLetter() + "] "
+                + "[" + task.getStatusIcon() + "] "
+                + task.getDescription() );
+    }
+
+    private static void PrintGoodbyeMessage() {
+        System.out.println("--------------------");
+        System.out.println("Bye. Hope to see you again soon!");
+        System.out.println("");
+        System.out.println("--------------------");
+    }
+
+    private static void PrintWelcomeMessage() {
         String logo = " ____        _        \n"
                 + "|  _ \\ _   _| | _____ \n"
                 + "| | | | | | | |/ / _ \\\n"
                 + "| |_| | |_| |   <  __/\n"
                 + "|____/ \\__,_|_|\\_\\___|\n";
         System.out.println("Hello from\n" + logo);
+
+        System.out.println("--------------------");
+        System.out.println("Hello! I'm Duke");
+        System.out.println("What can I do for you?");
+        System.out.println("");
+        System.out.println("--------------------");
     }
 }

src/main/java/Event.java

@@ -0,0 +1,24 @@
+public class Event extends Task{
+
+    protected final static char LETTER = 'E';
+    protected String date;
+
+    public Event(String description, String date) {
+        super(description);
+        this.date = date;
+    }
+
+    public String toString() {
+        return description;
+    }
+
+    public char getLetter() {
+        return LETTER;
+    }
+
+    public String getDate() {
+        return "(at: " + date + ")";
+    }
+
+
+}

src/main/java/Task.java

@@ -0,0 +1,37 @@
+public class Task {
+    protected String description;
+    protected boolean isDone;
+
+    public Task(){
+        this.description = "";
+        isDone = false;
+    }
+    public Task(String description) {
+        this.description = description;
+        this.isDone = false;
+    }
+
+    public String getStatusIcon() {
+        return (isDone ? "X" : " "); // mark done task with X
+    }
+
+    public String getDescription(){
+        return this.description;
+    }
+
+    public void setDone(){
+        this.isDone = true;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public char getLetter() {
+        return ' ';
+    }
+
+    public String getDate() {
+        return " ";
+    }
+}

src/main/java/ToDo.java

@@ -0,0 +1,21 @@
+public class ToDo extends Task{
+
+    protected final static char LETTER = 'T';
+
+    public ToDo(String description) {
+        super(description);
+    }
+
+    public String toString() {
+        return description;
+    }
+
+    public char getLetter() {
+        return LETTER;
+    }
+
+    public String getDate() {
+        return "";
+    }
+
+}