Diary-Simple-ConsoleBase-Management

Sure! Here's a revised version of your Diary program with a cleaner and more attractive console output. I’ve added some formatting, colors, and clear separation of options to make the user interface more visually appealing.

import java.io.; import java.util.; import java.util.concurrent.TimeUnit;

public class Diary { private static final String FILE_NAME = "diary.txt"; private static final Scanner scanner = new Scanner(System.in); private static final List notes = new ArrayList<>();

public static void main(String[] args) {
    loadNotes();

    while (true) {
        showMenu();
        String choice = scanner.nextLine();

        switch (choice) {
            case "1":
                addNote();
                break;
            case "2":
                editNote();
                break;
            case "3":
                deleteNote();
                break;
            case "4":
                viewNotes();
                break;
            case "5":
                saveNotes();
                System.out.println("\nGoodbye! Your notes are saved.\n");
                delay(1);  // Delay to make the exit message clearer
                return;
            default:
                System.out.println("\nInvalid option. Please choose again.\n");
                delay(1);
        }
    }
}

private static void showMenu() {
    System.out.println("\n" + "=".repeat(30));
    System.out.println("\033[1;34m*** Welcome to Your Simple Diary ***\033[0m");
    System.out.println("=".repeat(30));
    System.out.println("\n1. \033[1;32mAdd Note\033[0m");
    System.out.println("2. \033[1;33mEdit Note\033[0m");
    System.out.println("3. \033[1;31mDelete Note\033[0m");
    System.out.println("4. \033[1;36mView Notes\033[0m");
    System.out.println("5. \033[1;35mExit\033[0m");
    System.out.print("\nEnter your choice: ");
}

private static void addNote() {
    System.out.print("\nEnter your note: ");
    String note = scanner.nextLine();
    notes.add(note);
    System.out.println("\n\033[1;32mNote added successfully!\033[0m\n");
    delay(1);
}

private static void editNote() {
    if (notes.isEmpty()) {
        System.out.println("\nNo notes available to edit.\n");
        return;
    }

    viewNotes();
    System.out.print("\nEnter the number of the note to edit: ");
    int noteIndex = Integer.parseInt(scanner.nextLine()) - 1;
    if (noteIndex >= 0 && noteIndex < notes.size()) {
        System.out.print("\nEnter the new content for the note: ");
        String newNote = scanner.nextLine();
        notes.set(noteIndex, newNote);
        System.out.println("\n\033[1;33mNote updated successfully!\033[0m\n");
        delay(1);
    } else {
        System.out.println("\n\033[1;31mInvalid note number.\033[0m\n");
    }
}

private static void deleteNote() {
    if (notes.isEmpty()) {
        System.out.println("\nNo notes available to delete.\n");
        return;
    }

    viewNotes();
    System.out.print("\nEnter the number of the note to delete: ");
    int noteIndex = Integer.parseInt(scanner.nextLine()) - 1;
    if (noteIndex >= 0 && noteIndex < notes.size()) {
        notes.remove(noteIndex);
        System.out.println("\n\033[1;31mNote deleted successfully!\033[0m\n");
        delay(1);
    } else {
        System.out.println("\n\033[1;31mInvalid note number.\033[0m\n");
    }
}

private static void viewNotes() {
    if (notes.isEmpty()) {
        System.out.println("\n\033[1;33mNo notes available.\033[0m\n");
    } else {
        System.out.println("\n\033[1;36m--- Your Notes ---\033[0m");
        for (int i = 0; i < notes.size(); i++) {
            System.out.println("\033[1;37m" + (i + 1) + ". " + notes.get(i) + "\033[0m");
        }
        System.out.println();
    }
}

private static void loadNotes() {
    try {
        File file = new File(FILE_NAME);
        if (file.exists()) {
            BufferedReader reader = new BufferedReader(new FileReader(file));
            String line;
            while ((line = reader.readLine()) != null) {
                notes.add(line);
            }
            reader.close();
        }
    } catch (IOException e) {
        System.out.println("\n\033[1;31mError loading notes.\033[0m");
    }
}

private static void saveNotes() {
    try {
        BufferedWriter writer = new BufferedWriter(new FileWriter(FILE_NAME));
        for (String note : notes) {
            writer.write(note);
            writer.newLine();
        }
        writer.close();
    } catch (IOException e) {
        System.out.println("\n\033[1;31mError saving notes.\033[0m");
    }
}

private static void delay(int seconds) {
    try {
        TimeUnit.SECONDS.sleep(seconds);
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
    }
}

}