[Vincent Lau Han Leong] iP

src/main/java/Deadline.java

@@ -0,0 +1,15 @@
+public class Deadline extends Task{
+    public static final String BY = "by: ";
+    protected String date;
+    private static final String IDENTIFIER = "D";
+
+    public Deadline(String description,String date) {
+        super(description);
+        this.date = date;
+    }
+
+    public String getStatusIconAndDescription() {
+        String icon = (isDone ? "X" : " ");
+        return addSquareBrackets(IDENTIFIER) + addSquareBrackets(icon) + " " + description + " " + addBrackets(BY + date);
+    }
+}

src/main/java/Duke.java

@@ -1,10 +1,180 @@
+import java.util.Scanner;
+
 public class Duke {
+    public static final String DIVIDER = "___________________________________________________________";
+    public static final String INDENTATION = "      ";
+    public static final String LOGO = " ____        _        \n"
+            + "|  _ \\ _   _| | _____ \n"
+            + "| | | | | | | |/ / _ \\\n"
+            + "| |_| | |_| |   <  __/\n"
+            + "|____/ \\__,_|_|\\_\\___|\n";
+    public static final String HELLO_MESSAGE_2 = "Hello! I'm Duke, your friendly neighbourhood task manager";
+    public static final String HELLO_MESSAGE_3 = "What can I do for you? :D";
+    public static final String TASK_COMPLETED_MESSAGE = "You've completed the task! Well done!";
+    public static final String ADDED_TO_LIST = "I've added this to your list :D";
+    public static final String DEADLINE_DESCRIPTION_AND_DATE_SPLITTER = " /by ";
+    public static final String EVENT_DESCRIPTION_AND_DATE_TIME_SPLITTER = " /at ";
+    public static final String GOODBYE_MESSAGE = "Bye, hope to see you again soon! :)";
+    public static final String TYPE_SUITABLE_COMMAND_MESSAGE = "Sorry, you are using me wrongly. Please type in a suitable command :)";
+    public static final boolean IS_FINE = true;
+    public static final int TODO_STARTING_INDEX = 5;
+    public static final int DEADLINE_STARTING_INDEX = 9;
+    public static final int EVENT_STARTING_INDEX = 6;
+    public 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);
+        printStartingMessage();
+        Scanner in = new Scanner(System.in);
+        String input = in.nextLine();
+        while (!input.equals("bye")) {
+            processInput(input);
+            input = in.nextLine();
+        }
+        printGoodbyeMessage();
+    }
+
+    public static void printIndentationAndDivider() {
+        System.out.print(INDENTATION);
+        System.out.println(DIVIDER);
+    }
+
+    public static void printWordsWithIndentation(String words) {
+        System.out.print(INDENTATION);
+        System.out.println(words);
+    }
+
+    private static void printStartingMessage() {
+        System.out.println("Hello from\n" + LOGO);
+        printIndentationAndDivider();
+        printWordsWithIndentation(HELLO_MESSAGE_2);
+        printWordsWithIndentation(HELLO_MESSAGE_3);
+        printIndentationAndDivider();
+        System.out.println();
+    }
+
+    private static void printGoodbyeMessage() {
+        printIndentationAndDivider();
+        printWordsWithIndentation(GOODBYE_MESSAGE);
+        printIndentationAndDivider();
+    }
+
+    private static void processInput(String input) {
+        switch(input.split(" ")[0].toLowerCase()) {
+        case "list" :
+            executeListCase();
+            break;
+        case "done" :
+            executeDoneCase(input);
+            break;
+        case "todo" :
+            executeTaskCase(input, TODO_STARTING_INDEX,TaskType.TODO);
+            break;
+        case "deadline" :
+            executeTaskCase(input, DEADLINE_STARTING_INDEX,TaskType.DEADLINE);
+            break;
+        case "event" :
+            executeTaskCase(input, EVENT_STARTING_INDEX,TaskType.EVENT);
+            break;
+        default :
+            printIncorrectInputMessage();
+        }
+    }
+
+    private static void printTaskMessage() {
+        printIndentationAndDivider();
+        printWordsWithIndentation(ADDED_TO_LIST);
+        printWordsWithIndentation(tasks[Task.getTotalTasks() - 1].getStatusIconAndDescription());
+        printWordsWithIndentation(notifyNumberOfTasks());
+        printIndentationAndDivider();
+        System.out.println();
+    }
+
+    private static void printIncorrectInputMessage() {
+        printIndentationAndDivider();
+        printWordsWithIndentation(TYPE_SUITABLE_COMMAND_MESSAGE);
+        printIndentationAndDivider();
+        System.out.println();
+    }
+
+    private static void executeTaskCase(String input, int starting_index, TaskType type) {
+        String description = input.strip().substring(starting_index);
+        boolean isFine = addTask(description, type);
+        if(isFine) {
+            printTaskMessage();
+        }else {
+            printIncorrectInputMessage();
+        }
+    }
+
+    private static String[] parseInputForDifferentTask(String input,TaskType type) {
+        String[] parsedOutput = {};
+        switch(type) {
+        case TODO:
+            parsedOutput = new String[]{input};
+            break;
+
+        case DEADLINE:
+            parsedOutput = input.split(DEADLINE_DESCRIPTION_AND_DATE_SPLITTER);
+            break;
+
+        case EVENT:
+            parsedOutput = input.split(EVENT_DESCRIPTION_AND_DATE_TIME_SPLITTER);
+            break;
+        }
+        return parsedOutput;
+    }
+
+    private static boolean addTask(String input,TaskType type) {
+        String[] parsedOutput = parseInputForDifferentTask(input,type);
+        switch(type){
+        case TODO:
+            tasks[Task.getTotalTasks()] = new ToDo(parsedOutput[0]);
+            break;
+        case EVENT:
+            if(parsedOutput.length < 2) {
+                return !IS_FINE;
+            }
+            tasks[Task.getTotalTasks()] = new Event(parsedOutput[0], parsedOutput[1]);
+            break;
+        case DEADLINE:
+            if(parsedOutput.length < 2) {
+                return !IS_FINE;
+            }
+            tasks[Task.getTotalTasks()] = new Deadline(parsedOutput[0], parsedOutput[1]);
+            break;
+        }
+        Task.setTotalTasks(Task.getTotalTasks() + 1);
+        return IS_FINE;
+    }
+
+    private static String notifyNumberOfTasks() {
+        return "Now you have " + Task.getTotalTasks() + " task(s) in the list";
+    }
+
+    private static void executeDoneCase(String input) {
+        if(input.length() != 6) {
+            printIncorrectInputMessage();
+            return;
+        }
+        int index = Integer.parseInt(input.split(" ")[1]) - 1;
+        tasks[index].markAsDone();
+        printTaskCompletedMessage(tasks[index]);
+    }
+
+    private static void printTaskCompletedMessage(Task task) {
+        printIndentationAndDivider();
+        printWordsWithIndentation(TASK_COMPLETED_MESSAGE);
+        printWordsWithIndentation(task.getStatusIconAndDescription());
+        printIndentationAndDivider();
+        System.out.println();
+    }
+
+    private static void executeListCase() {
+        printIndentationAndDivider();
+        for (int i = 0; i < Task.getTotalTasks(); i++) {
+            printWordsWithIndentation(i + 1 + "." + tasks[i].getStatusIconAndDescription());
+        }
+        printIndentationAndDivider();
+        System.out.println();
     }
 }

src/main/java/Event.java

@@ -0,0 +1,15 @@
+public class Event extends Task{
+    public static final String AT = "at: ";
+    protected String dateAndTime;
+    private static final String IDENTIFIER = "E";
+
+    public Event(String description, String dateAndTime) {
+        super(description);
+        this.dateAndTime = dateAndTime;
+    }
+
+    public String getStatusIconAndDescription() {
+        String icon = (isDone ? "X" : " ");
+        return addSquareBrackets(IDENTIFIER) + addSquareBrackets(icon) + " " + description + " " + addBrackets(AT + dateAndTime);
+    }
+}

src/main/java/Task.java

@@ -0,0 +1,39 @@
+public class Task {
+    protected boolean isDone;
+    protected String description;
+
+    private static int totalTasks = 0;
+
+    public Task(String description){
+        this.description = description;
+        isDone = false;
+    }
+
+    public String getStatusIconAndDescription() {
+        String icon = (isDone ? "X" : " ");
+        return addSquareBrackets(icon) + " " + description;
+    }
+
+    public void markAsDone() {
+        isDone = true;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public static int getTotalTasks() {
+        return totalTasks;
+    }
+
+    public static void setTotalTasks(int totalTasks) {
+        Task.totalTasks = totalTasks;
+    }
+
+    protected static String addSquareBrackets(String s) {
+        return "[" + s + "]";
+    }
+    protected static String addBrackets(String s) {
+        return "(" + s + ")";
+    }
+}

src/main/java/TaskType.java

@@ -0,0 +1,3 @@
+public enum TaskType {
+    TODO,DEADLINE,EVENT;
+}

src/main/java/ToDo.java

@@ -0,0 +1,12 @@
+public class ToDo extends Task{
+    private static final String IDENTIFIER = "T";
+
+    public ToDo(String description) {
+        super(description);
+    }
+
+    public String getStatusIconAndDescription() {
+        String icon = (isDone ? "X" : " ");
+        return addSquareBrackets(IDENTIFIER) + addSquareBrackets(icon) + " " + description;
+    }
+}

text-ui-test/EXPECTED.TXT

@@ -5,3 +5,54 @@ Hello from
 | |_| | |_| |   <  __/
 |____/ \__,_|_|\_\___|
 
+      ___________________________________________________________
+      Hello! I'm Duke, your friendly neighbourhood task manager
+      What can I do for you? :D
+      ___________________________________________________________
+
+      ___________________________________________________________
+      I've added this to your list :D
+      [T][ ] borrow book
+      Now you have 1 task(s) in the list
+      ___________________________________________________________
+
+      ___________________________________________________________
+      I've added this to your list :D
+      [D][ ] return book (by: Sunday)
+      Now you have 2 task(s) in the list
+      ___________________________________________________________
+
+      ___________________________________________________________
+      I've added this to your list :D
+      [E][ ] project meeting (at: 4th Sep 2-3pm)
+      Now you have 3 task(s) in the list
+      ___________________________________________________________
+
+      ___________________________________________________________
+      Sorry, you are using me wrongly. Please type in a suitable command :)
+      ___________________________________________________________
+
+      ___________________________________________________________
+      Sorry, you are using me wrongly. Please type in a suitable command :)
+      ___________________________________________________________
+
+      ___________________________________________________________
+      1.[T][ ] borrow book
+      2.[D][ ] return book (by: Sunday)
+      3.[E][ ] project meeting (at: 4th Sep 2-3pm)
+      ___________________________________________________________
+
+      ___________________________________________________________
+      You've completed the task! Well done!
+      [T][X] borrow book
+      ___________________________________________________________
+
+      ___________________________________________________________
+      1.[T][X] borrow book
+      2.[D][ ] return book (by: Sunday)
+      3.[E][ ] project meeting (at: 4th Sep 2-3pm)
+      ___________________________________________________________
+
+      ___________________________________________________________
+      Bye, hope to see you again soon! :)
+      ___________________________________________________________

text-ui-test/input.txt

@@ -0,0 +1,9 @@
+todo borrow book
+DeadLine return book /by Sunday
+Event project meeting /at 4th Sep 2-3pm
+DEADLINE /by Monday
+done
+list
+done 1
+list
+bye