[Fahim Tajwar] iP

src/main/java/Deadline.java

@@ -0,0 +1,15 @@
+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.java

@@ -1,10 +1,122 @@
+import java.util.*;
+
 public class Duke {
-    public static void main(String[] args) {
-        String logo = " ____        _        \n"
-                + "|  _ \\ _   _| | _____ \n"
-                + "| | | | | | | |/ / _ \\\n"
-                + "| |_| | |_| |   <  __/\n"
-                + "|____/ \\__,_|_|\\_\\___|\n";
-        System.out.println("Hello from\n" + logo);
+  public static void main(String[] args) {
+    //        String logo = " ____        _        \n"
+    //                + "|  _ \\ _   _| | _____ \n"
+    //                + "| | | | | | | |/ / _ \\\n"
+    //                + "| |_| | |_| |   <  __/\n"
+    //                + "|____/ \\__,_|_|\\_\\___|\n";
+    //        System.out.println("Hello from\n" + logo);
+
+    String divider = "____________________________________________________________\n";
+    System.out.println(divider + "Hello! I'm Duke");
+    System.out.println("What can I do for you?\n" + divider);
+
+    ArrayList<Task> tasks = new ArrayList<>();
+    Scanner sc = new Scanner(System.in);
+
+    while(sc.hasNext()) {
+      String instr = sc.nextLine();
+      switch(instr) {                                 //Single-word instructions
+        case "list":  //List down
+          System.out.println(divider + "Here are the tasks in your list:\n");
+          for(int i = 1; i <= tasks.size(); i++) {
+            System.out.println(i + ". " + tasks.get(i-1));
+          }
+          System.out.println(divider);
+          break;
+
+        case "bye":   //Exit
+          System.out.println(divider + "Bye. Hope to see you again soon!\n" + divider);
+          return;
+
+          //Other single word commands go here.
+
+        default:                                      //Instructions with arguments
+          StringTokenizer tokens = new StringTokenizer(instr, " ");
+          String action = tokens.nextToken(); //Splitting the action and args.
+
+          String keyword = "";  //keyword = argument(s) after the action.
+          while(tokens.hasMoreTokens()) {
+            keyword = keyword + " " + tokens.nextToken();
+          }
+          keyword = keyword.strip();
+          if(keyword.equals("")) {
+            System.out.println(divider + "OOPS!!! The description of a " + action + " cannot be empty.\n" + divider);
+          }
+
+          switch(action) {                            //For instructions with argument(s).
+            case "add":
+              tasks.add(new Task(keyword));
+              break;
+
+            case "mark":
+              try {
+                Task t1 = tasks.get(Integer.parseInt(keyword) - 1);
+                t1.mark();
+                System.out.println(divider + "Nice! I've marked this task as done:\n" + t1 + "\n" + divider);
+              } catch(IndexOutOfBoundsException ioobe) {
+                System.out.println("Sorry, the index number you've entered does not exist.");
+                continue;
+              } catch(NumberFormatException nfe) {
+                System.out.println("Please enter the index number you wish to mark/unmark.");
+              }
+              break;
+
+            case "unmark":
+              try {
+                Task t2 = tasks.get(Integer.parseInt(keyword) - 1);
+                t2.unmark();
+                System.out.println(divider + "OK! I've marked this task as not done yet:\n" + t2 + "\n" + divider);
+              } catch(IndexOutOfBoundsException ioobe) {
+                System.out.println("Sorry, the index number you've entered does not exist.");
+                continue;
+              } catch(NumberFormatException nfe) {
+                System.out.println("Please enter the index number you wish to mark/unmark.");
+              }
+              break;
+
+            case "todo":
+              tasks.add(new Todo(keyword));
+              break;
+
+            case "deadline":
+              String[] deadlineFinder = keyword.split(" /by "); //Split keyword into description and date, separated by "/by".
+              keyword = deadlineFinder[0];
+              try {
+                String deadline = deadlineFinder[1];
+                tasks.add(new Deadline(keyword, deadline));
+              } catch(IndexOutOfBoundsException ioobe) {
+                System.out.println("Please define a deadline following the keyword '/by'.");
+              }
+              break;
+
+            case "event":
+              String[] startFinder = keyword.split(" /from ");  //Split keyword into description and start,end.
+              try{
+                String[] endFinder = startFinder[1].split(" /to "); //Split start,end into start and end.
+                tasks.add(new Event(startFinder[0], endFinder[0], endFinder[1]));
+              } catch(IndexOutOfBoundsException ioobe) {
+                System.out.println("Please define a start time following the keyword '/from'\nand then an end time following the keyword '/to'.");
+              }
+              break;
+
+            case "delete":
+              try {
+                int deleteIdx = Integer.parseInt(keyword);
+                tasks.remove(deleteIdx - 1);
+              } catch(NumberFormatException nfe) {
+                System.out.println("Please enter the index number you wish to delete.");
+              } catch(IndexOutOfBoundsException ioobe) {
+                System.out.println("Sorry, the index number you've entered does not exist.");
+                continue;
+              }
+              break;
+            default:
+              System.out.println(divider + "OOPS! I'm sorry, but I don't know what that means :-(\n" + divider);  //For unknown action.
+          }
+      }
     }
+  }
 }

src/main/java/DukeException.java

@@ -0,0 +1,5 @@
+public class DukeException extends Exception {
+  DukeException(String msg) {
+    super(msg);
+  }
+}

src/main/java/Event.java

@@ -0,0 +1,17 @@
+public class Event extends Task {
+
+    protected String start;
+    protected String end;
+
+    public Event(String description, String start, String end) {
+        super(description);
+        this.start = start;
+        this.end = end;
+    }
+
+    @Override
+    public String toString() {
+        return "[D]" + super.toString() + " (from: " + start + " to: " + end + ")";
+    }
+}
+

src/main/java/Task.java

@@ -0,0 +1,27 @@
+public class Task {
+    protected String description;
+    protected boolean isDone;
+
+    public Task(String description) {
+        this.description = description;
+        this.isDone = false;
+    }
+
+    public String getStatusIcon() {
+        return (isDone ? "X" : " "); // mark done task with X
+    }
+
+    public void mark() {
+      this.isDone = true;
+    }
+
+    public void unmark() {
+      this.isDone = false;
+    }
+
+    @Override
+    public String toString() {    
+      return "[" + this.getStatusIcon() + "] " + this.description;
+    }
+}
+

src/main/java/Todo.java

@@ -0,0 +1,12 @@
+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 +1,80 @@
-Hello from
- ____        _        
-|  _ \ _   _| | _____ 
-| | | | | | | |/ / _ \
-| |_| | |_| |   <  __/
-|____/ \__,_|_|\_\___|
+____________________________________________________________
+Hello! I'm Duke
+What can I do for you?
+____________________________________________________________
+
+____________________________________________________________
+Here are the tasks in your list:
+
+____________________________________________________________
+
+____________________________________________________________
+Here are the tasks in your list:
+
+1. [T][ ] wash car
+____________________________________________________________
+
+____________________________________________________________
+Nice! I've marked this task as done:
+[T][X] wash car
+____________________________________________________________
+
+____________________________________________________________
+Here are the tasks in your list:
+
+1. [T][X] wash car
+____________________________________________________________
+
+____________________________________________________________
+OK! I've marked this task as not done yet:
+[T][ ] wash car
+____________________________________________________________
+
+____________________________________________________________
+Here are the tasks in your list:
+
+1. [T][ ] wash car
+____________________________________________________________
+
+____________________________________________________________
+Here are the tasks in your list:
+
+1. [T][ ] wash car
+2. [T][ ] Take out trash
+____________________________________________________________
+
+____________________________________________________________
+Nice! I've marked this task as done:
+[T][X] Take out trash
+____________________________________________________________
+
+____________________________________________________________
+Here are the tasks in your list:
+
+1. [T][ ] wash car
+2. [T][X] Take out trash
+3. [D][ ] assignment (by: Sunday 3pm)
+____________________________________________________________
+
+____________________________________________________________
+Nice! I've marked this task as done:
+[D][X] assignment (by: Sunday 3pm)
+____________________________________________________________
+
+____________________________________________________________
+Here are the tasks in your list:
+
+1. [T][ ] wash car
+2. [T][X] Take out trash
+3. [D][X] assignment (by: Sunday 3pm)
+____________________________________________________________
+
+____________________________________________________________
+Here are the tasks in your list:
+
+1. [T][ ] wash car
+2. [T][X] Take out trash
+3. [D][X] assignment (by: Sunday 3pm)
+4. [D][ ] Celebration (from: morning to: night)
+____________________________________________________________
 

text-ui-test/input.txt

@@ -0,0 +1,16 @@
+list
+todo wash car
+list
+mark 1
+list
+unmark 1
+list
+todo Take out trash
+list
+mark 2
+deadline assignment /by Sunday 3pm
+list
+mark 3
+list
+event Celebration /from morning /to night
+list