README.md: Add User Guide

docs/README.md

@@ -1,29 +1,164 @@
-# User Guide
+# Xavier User Guide
 
+## Introduction
+
+![Ui](./Ui.png)
+Xavier is a simple chatbot which helps to manage your daily tasks!
+
+Download it from [<u>here</u>](https://github.com/shunjieee/ip/releases/download/A-Release/xavier.jar) now!
+
+---
 ## Features 
+List of features supported:
+* Add
+* Delete
+* List
+* Mark
+* Unmark
+* Find
+* Sort
+* Exit
+
+### Adding a task: `todo`, `deadline` and `event`
+
+There are three types tasks that Xavier supports, to-do, deadline and event. The commands add the respective task to the task list.
+
+**todo**
+Formart: `todo <taskname>`
+
+Example:
+`todo wash dishes`
+
+Expected outcome:
+```
+Got it. I've added this task:
+  [T][ ] wash dishes
+Now you have 1 tasks in the list.
+```
+**deadline**
+Format: `deadline <taskname> /by <date & time>`
+
+Example:
+`deadline CS2103T Quiz 7 /by 7/3/2024-2359`
+
+Expected outcome:
+```
+Got it. I've added this task:
+  [D][ ] CS2103T Quiz 7 (by: Mar 07 2024, 23:59)
+Now you have 2 tasks in the list.
+```
+**event**
+Format: `event <taskname> /from <start date & time> /to <end date & time>`
+
+
+Example:
+`event Taylor Swift Concert /from 3/3/2024-1900 /to 3/3/2024-2200`
+
+Expected outcome:
+```
+Got it. I've added this task:
+  [E][ ] Taylor Swift Concert (from: Mar 03 2024, 19:00 to: Mar 03 2024, 22:00)
+Now you have 3 tasks in the list.
+```
+
+> [!IMPORTANT]
+> The date-time format **MUST** be in **dd/MM/yyyy-HHmm**.
+
+### Deleting a task: `delete`
+
+Format:
+`delete <task number>`
+
+Example:
+`delete 1`
 
-### Feature-ABC
+Expected outcome:
+```
+Noted, I've removed this task:
+ [T][ ] wash dishes
+Now you have 2 tasks in the list.
+```
+
+### Listing all the task in the list: `list`
 
-Description of the feature.
+Format:
+`list`
+
+Example and expected outcome:
+```
+Here are the tasks in your list:
+1. [D][ ] CS2103T Quiz 7 (by: Mar 07 2024, 23:59)
+2. [E][ ] Taylor Swift Concert (from: Mar 03 2024, 19:00 to: Mar 03 2024, 22:00)
+```
+
+### Marking task as done: `mark`
+
+Format:
+`mark <task number>`
+
+Example:
+`mark 1`
+
+Expected outcome:
+```
+Nice! I've marked this task as done:
+ [D][X] CS2103T Quiz 7 (by: Mar 07 2024, 23:59)
+```
 
-### Feature-XYZ
+### Unmarking task: `unmark`
 
-Description of the feature.
+Format:
+`unmark <task number>`
 
-## Usage
+Example:
+`mark 2`
 
-### `Keyword` - Describe action
+Expected outcome:
+```
+OK, I've marked this task as not done yet:
+ [E][ ] Taylor Swift Concert (from: Mar 03 2024, 19:00 to: Mar 03 2024, 22:00)
+```
 
-Describe the action and its outcome.
+### Finding tasks in the list: `find`
 
-Example of usage: 
+Format:
+`find <keyword>`
 
-`keyword (optional arguments)`
+Example:
+`find Quiz`
 
 Expected outcome:
+```
+Here are the matching tasks in your list:
+1. [D][X] CS2103T Quiz 7 (by: Mar 07 2024, 23:59)
+```
+> [!NOTE]
+> `keyword` is case sensitive.
+
+### Sorting the list: `sort`
 
-Description of the outcome.
+The list will be sorting with the unmark tasks at the top and marked tasks at the bottom. In each section, the tasks will be sorted alphabetically.
 
+Format:
+`sort`
+
+Example and expected outcome:
+```
+Here are the tasks in your list:
+1. [E][ ] Taylor Swift Concert (from: Mar 03 2024, 19:00 to: Mar 03 2024, 22:00)
+2. [D][X] CS2103T Quiz 7 (by: Mar 07 2024, 23:59)
 ```
-expected output
+
+### Exiting the program: `bye`
+
+The program will save the list in `./data/data.txt` before exiting.
+
+Format: 
+`bye`
+
+Example and expected outcome **(only CLI)**:
 ```
+Saving data ...
+Data saved successfully. :)
+Bye. Hope to see you again soon!
+```

src/main/java/command/FindCommand.java

@@ -37,7 +37,7 @@ public String execute() {
         for (Task t : tl) {
             if (t.hasKeyword(keyword)) {
                 String taskString = counter + ". " + t.toString();
-                System.out.print(taskString);
+                System.out.println(taskString);
                 result += taskString + "\n";
 
                 counter++;