Merge branch 'branch-Level-7'

* branch-Level-7:
  Create txt file
  Add Save & Load

# Conflicts:
#	src/main/java/AMY/AMY.java

data/AMY.txt

@@ -0,0 +1,3 @@
+T | 0 | hello
+T | 0 | bye
+T | 0 | close

src/main/java/AMY/AMY.java

@@ -1,6 +1,18 @@
 package AMY;
 
-import AMY.Exceptions.*;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.FileNotFoundException;
+
+import AMY.Exceptions.EmptyDeadlineException;
+import AMY.Exceptions.EmptyDeleteException;
+import AMY.Exceptions.EmptyEventException;
+import AMY.Exceptions.EmptyInput;
+import AMY.Exceptions.EmptyMarkException;
+import AMY.Exceptions.EmptyToDoException;
+import AMY.Exceptions.EmptyUnmarkException;
+
 import AMY.command.Deadline;
 import AMY.command.Event;
 import AMY.command.Task;
@@ -13,8 +25,10 @@ public class AMY {
     public static final String BOT_NAME = "AMY";
     public static final String LINE = "____________________________________________________________";
     public static ArrayList<Task> taskList = new ArrayList<>();
+    public static int numberOfTasks;
     public static Scanner scanner = new Scanner(System.in);
 
+
     // Draws a line
     public static void drawLine() {
         System.out.println(LINE);
@@ -42,6 +56,49 @@ public static void byMessage() {
         drawLine();
     }
 
+    // File path for storing tasks
+    private static final String FILE_PATH = "./data/AMY.txt";
+
+    // Save tasks to a file
+    public static void saveTasksToFile() {
+        try {
+            FileWriter writer = new FileWriter(FILE_PATH);
+            for (Task task : taskList) {
+                writer.write(task.toFileString() + "\n");
+            }
+            writer.close();
+        } catch (IOException e) {
+            System.out.println("☹ OOPS!!! Error saving tasks to the file.");
+        }
+    }
+
+    // Load tasks from a file
+    public static void loadTasksFromFile() {
+        try {
+            File file = new File(FILE_PATH);
+            if (!file.exists()) {
+                file.getParentFile().mkdirs(); // Create parent directories if they don't exist
+                file.createNewFile();
+            }
+            Scanner scanner = new Scanner(file);
+            int numberOfTasks = 0; // Initialize numberOfTasks
+            while (scanner.hasNextLine()) {
+                String taskData = scanner.nextLine();
+                Task task = Task.parseFromFileString(taskData);
+                if (task != null) {
+                    AMY.addToList(task);
+                    numberOfTasks++; // Increment numberOfTasks
+                }
+            }
+            scanner.close();
+            AMY.numberOfTasks = numberOfTasks; // Update numberOfTasks in AMY class
+        } catch (FileNotFoundException e) {
+            System.out.println("Data file not found. Creating a new file.");
+        } catch (IOException e) {
+            System.out.println("☹ OOPS!!! Error loading tasks from the file.");
+        }
+    }
+
     // Add a task to the list
     public static void addToList(Task task) {
         //taskList[numberOfTasks] = task;
@@ -190,7 +247,9 @@ public static void manageInput() {
     // Main method executes the Chat bot
     public static void main(String[] args) {
         welcomeMessage();
+        loadTasksFromFile();
         manageInput();
+        saveTasksToFile();
         byMessage();
     }
 }

src/main/java/AMY/command/Task.java

@@ -22,8 +22,60 @@ public String getStatusIcon() {
         return (isDone ? "X" : " ");
     }
 
+    public String getDescription() {
+        return description;
+    }
+
+    // Convert the task to a file-readable string format
+    public String toFileString() {
+        String status = isDone ? "1" : "0";
+        return String.format("%s | %s | %s", getTaskType(), status, description);
+    }
+
+    // Parse a task from a file string
+    public static Task parseFromFileString(String fileString) {
+        String[] parts = fileString.split("\\|");
+        String taskType = parts[0].trim();
+        String status = parts[1].trim();
+        String description = parts[2].trim();
+
+        Task task;
+
+        if (taskType.equals("T")) {
+            task = new Todo(description);
+        } else if (taskType.equals("D")) {
+            // Extract the deadline information (e.g., "June 6th")
+            String by = parts[3].trim();
+            task = new Deadline(description, by);
+        } else if (taskType.equals("E")) {
+            // Extract the event information (e.g., "Aug 6th 2-4pm")
+            String fromTo = parts[3].trim();
+            String[] dateTimeParts = fromTo.split("\\|");
+            String from = dateTimeParts[0].trim();
+            String to = dateTimeParts[1].trim();
+            task = new Event(description, from, to);
+        } else {
+            // Handle unknown task types (optional)
+            task = null;
+        }
+
+        if (task != null) {
+            if (status.equals("1")) {
+                task.markAsDone();
+            }
+        }
+
+        return task;
+    }
+
+    protected String getTaskType() {
+        return "T";
+    }
+
+    @Override
     public String toString() {
         return "[" + this.getStatusIcon() + "] " + description;
     }
 }
 
+