file_reader.py

import os

try:
    # Try to import tkinter for GUI file picker
    import tkinter as tk
    from tkinter import filedialog
    TK_AVAILABLE = True
except ImportError:
    TK_AVAILABLE = False


def clear_screen():
    """Clear the screen (works on Windows, Mac, Linux)."""
    os.system('cls' if os.name == 'nt' else 'clear')


def read_file_from_path():
    """Read a file using a path the user types."""
    file_path = input("\nEnter the file name or full path: ").strip()

    if not os.path.isfile(file_path):
        print(f"\n❌ Error: File '{file_path}' not found.")
        return

    print(f"\n✔️ Reading: {file_path}\n")

    try:
        with open(file_path, "r", encoding="utf-8") as file:
            content = file.read()

            if content.strip() == "":
                print("⚠️ The file is empty.")
            else:
                print(content)
    except Exception as e:
        print(f"\n⚠️ Unexpected error: {e}")


def read_file_with_gui():
    """Use a GUI dialog to pick a file (if tkinter is available)."""
    if not TK_AVAILABLE:
        print("\n⚠️ GUI not available (tkinter is not installed).")
        return

    print("\n📂 Opening file chooser window...")

    # Set up a hidden Tkinter root window
    root = tk.Tk()
    root.withdraw()  # Hide the main window

    file_path = filedialog.askopenfilename(title="Select a file to open")

    if not file_path:
        print("❌ No file selected.")
        return

    print(f"\n✔️ Reading: {file_path}\n")

    try:
        with open(file_path, "r", encoding="utf-8") as file:
            content = file.read()

            if content.strip() == "":
                print("⚠️ The file is empty.")
            else:
                print(content)
    except Exception as e:
        print(f"\n⚠️ Unexpected error: {e}")


def main_menu():
    while True:
        clear_screen()
        print("📄 Simple File Reader")
        print("----------------------")
        print("1) Read file by typing path")
        print("2) Read file using file picker (GUI)")
        print("3) Exit")
        choice = input("\nChoose an option (1-3): ").strip()

        if choice == "1":
            read_file_from_path()
        elif choice == "2":
            read_file_with_gui()
        elif choice == "3":
            print("\n👋 Goodbye!")
            break
        else:
            print("\n❌ Invalid choice. Please enter 1, 2, or 3.")

        input("\nPress Enter to continue...")


if __name__ == "__main__":
    main_menu()