[Silin Chen] iP

README.md

@@ -1,4 +1,4 @@
-# Duke project template
+# duke.command.Duke project template
 
 This is a project template for a greenfield Java project. It's named after the Java mascot _Duke_. Given below are instructions on how to use it.
 
@@ -13,7 +13,7 @@ Prerequisites: JDK 11, update Intellij to the most recent version.
    1. If there are any further prompts, accept the defaults.
 1. Configure the project to use **JDK 11** (not other versions) as explained in [here](https://www.jetbrains.com/help/idea/sdk.html#set-up-jdk).<br>
    In the same dialog, set the **Project language level** field to the `SDK default` option.
-3. After that, locate the `src/main/java/Duke.java` file, right-click it, and choose `Run Duke.main()` (if the code editor is showing compile errors, try restarting the IDE). If the setup is correct, you should see something like the below as the output:
+3. After that, locate the `src/main/java/duke.command.Duke.java` file, right-click it, and choose `Run duke.command.Duke.main()` (if the code editor is showing compile errors, try restarting the IDE). If the setup is correct, you should see something like the below as the output:
    ```
    Hello from
     ____        _        

src/main/java/duke/command/Duke.java

@@ -0,0 +1,147 @@
+package duke.command;
+
+import duke.task.Deadline;
+import duke.task.Event;
+import duke.task.Task;
+import duke.task.ToDo;
+
+import java.util.Scanner;
+
+
+public class Duke {
+    public static void listOut(Task[] tasks, int taskNumber) {
+        for (int i = 0; i < taskNumber; i++) {
+            System.out.println((i + 1) + "." + tasks[i]);
+        }
+    }
+
+    public static void markDone(String line, Task[] tasks) {
+        try {
+            int index = Integer.parseInt(line.substring(5)) - 1;
+            tasks[index].setDone();
+            System.out.println("Nice! I've marked this task as done:");
+            System.out.println("  " + tasks[index].getStatusIcon() + " " + tasks[index].getDescription());
+        } catch (StringIndexOutOfBoundsException e) {
+            System.out.println("OOPS!!! The description of a mark-done cannot be empty.");
+        }
+    }
+
+    public static boolean addTodo(String line, Task[] tasks, int taskNumber) {
+        try {
+            tasks[taskNumber] = new ToDo(line.substring(5));
+            taskNumber++;
+            System.out.println("Got it. I've added this task:");
+            System.out.println("  " + tasks[taskNumber - 1]);
+            System.out.println("Now you have " + taskNumber + " tasks in the list");
+            return true;
+        } catch (StringIndexOutOfBoundsException e) {
+            System.out.println("OOPS!!! The description of a todo cannot be empty.");
+            return false;
+        }
+    }
+
+    public static boolean addDeadline(String line, Task[] tasks, int taskNumber) {
+        String[] words = line.split(" ");
+        int index = 0;
+        String deadlineDescription = "";
+        String by = "";
+        for (int i = 0; i < words.length; i++) {
+            if (words[i].equals("/by")) {
+                index = i;
+                break;
+            }
+        }
+        if (index == 0) {
+            System.out.println("OOPS!!! The description of a deadline cannot be empty.");
+            return false;
+        }
+        for (int i = 1; i < index; i++) {
+            deadlineDescription = deadlineDescription + words[i] + " ";
+        }
+        for (int i = index + 1; i < words.length; i++) {
+            by = by + words[i] + " ";
+        }
+        tasks[taskNumber] = new Deadline(deadlineDescription, by);
+        taskNumber++;
+        System.out.println("Got it. I've added this task:");
+        System.out.println("  " + tasks[taskNumber - 1]);
+        System.out.println("Now you have " + taskNumber + " tasks in the list");
+        return true;
+    }
+
+    public static boolean addEvent(String line, Task[] tasks, int taskNumber) {
+        String[] words = line.split(" ");
+        int index = 0;
+        String eventDescription = "";
+        String at = "";
+        for (int i = 0; i < words.length; i++) {
+            if (words[i].equals("/at")) {
+                index = i;
+                break;
+            }
+        }
+        if (index == 0) {
+            System.out.println("OOPS!!! The description of a deadline cannot be empty.");
+            return false;
+        }
+        for (int i = 1; i < index; i++) {
+            eventDescription = eventDescription + words[i] + " ";
+        }
+        for (int i = index + 1; i < words.length; i++) {
+            at = at + words[i] + " ";
+        }
+        tasks[taskNumber] = new Event(eventDescription, at);
+        taskNumber++;
+        System.out.println("Got it. I've added this task:");
+        System.out.println("  " + tasks[taskNumber - 1]);
+        System.out.println("Now you have " + taskNumber + " tasks in the list");
+        return true;
+    }
+
+    public static void sayHi() {
+        System.out.println("Hello I'm duke.command.Duke");
+        System.out.println("What can I do for you?");
+    }
+
+    public static void sayBye() {
+        System.out.println("Bye. Hope to see you again soon!");
+    }
+
+    public static void running() {
+        Task[] tasks = new Task[100];
+        int taskNumber = 0;
+        String line;
+        Scanner in = new Scanner(System.in);
+        while (true) {
+            line = in.nextLine();
+            if (line.equals("bye")) {
+                return;
+            }
+            if (line.equals("list")) {
+                listOut(tasks, taskNumber);
+            } else if (line.startsWith("done")) {
+                markDone(line, tasks);
+            } else if (line.startsWith("todo")) {
+                if (addTodo(line, tasks, taskNumber)) {
+                    taskNumber++;
+                }
+            } else if (line.startsWith("deadline")) {
+                if (addDeadline(line, tasks, taskNumber)) {
+                    taskNumber++;
+                }
+            } else if (line.startsWith("event")) {
+                if (addEvent(line, tasks, taskNumber)) {
+                    taskNumber++;
+                }
+            } else {
+                System.out.println("☹ OOPS!!! I'm sorry, but I don't know what that means :-(");
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        sayHi();
+        running();
+        sayBye();
+    }
+}

src/main/java/duke/task/Deadline.java

@@ -0,0 +1,16 @@
+package duke.task;
+
+public class Deadline extends Task {
+
+    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/task/Event.java

@@ -0,0 +1,16 @@
+package duke.task;
+
+public class Event extends Task {
+
+    protected String at;
+
+    public Event(String description, String at) {
+        super(description);
+        this.at = at;
+    }
+
+    @Override
+    public String toString() {
+        return "[E]" + super.toString() + "(at: " + at + ")";
+    }
+}

src/main/java/duke/task/Task.java

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

src/main/java/duke/task/ToDo.java

@@ -0,0 +1,12 @@
+package duke.task;
+
+public class ToDo extends Task{
+    public ToDo(String description) {
+        super(description);
+    }
+
+    @Override
+    public String toString() {
+        return "[T]" + super.toString();
+    }
+}

text-ui-test/EXPECTED.TXT

@@ -1,7 +1,17 @@
-Hello from
- ____        _        
-|  _ \ _   _| | _____ 
-| | | | | | | |/ / _ \
-| |_| | |_| |   <  __/
-|____/ \__,_|_|\_\___|
-
+Hello I'm duke.command.Duke
+What can I do for you?
+Got it. I've added this task:
+  [T][ ] do wct
+Now you have 1 tasks in the list
+Got it. I've added this task:
+  [D][ ] inquiry (by: now )
+Now you have 2 tasks in the list
+Got it. I've added this task:
+  [E][ ] wct (at: tomorrow 2pm )
+Now you have 3 tasks in the list
+Nice! I've marked this task as done:
+  [X] do wct
+1.[T][X] do wct
+2.[D][ ] inquiry (by: now )
+3.[E][ ] wct (at: tomorrow 2pm )
+Bye. Hope to see you again soon!

text-ui-test/input.txt

@@ -0,0 +1,6 @@
+todo do wct
+deadline inquiry /by now
+event wct /at tomorrow 2pm
+done 1
+list
+bye