# -*- coding: utf-8 -*-
"""
Main entry point script for the PyInstaller GUI Wrapper application when run as a module.
"""

import sys
import os
import traceback  # Import traceback for better error reporting
from typing import Optional

# --- No sys.path manipulation needed when running as a module ---
# Python handles the package structure automatically.

# --- Import the necessary modules ---
try:
    # MODIFIED: Use relative import to get the GUI class from within the same package
    from pyinstallerguiwrapper.gui.main_window import PyInstallerGUI
except ImportError as e:
    # Provide more context in case of import errors
    package_dir = os.path.dirname(os.path.abspath(__file__))
    print(f"ERROR: Could not import required modules from package.")
    print(f"       Attempted relative import within: {package_dir}")
    print(f"ImportError: {e}")
    print(f"Current sys.path: {sys.path}")
    traceback.print_exc()  # Print detailed traceback
    sys.exit(1)
except Exception as e:
    print(f"ERROR: An unexpected error occurred during initial imports: {e}")
    traceback.print_exc()
    sys.exit(1)


def main():
    """
    Initializes and runs the PyInstaller GUI application.
    """
    try:
        app = PyInstallerGUI()
        app.mainloop()
    except Exception as e:
        # MODIFIED: Error message context updated
        print(
            f"FATAL ERROR: An unexpected error occurred during application execution: {e}"
        )
        traceback.print_exc()
        try:
            # Attempt to show a Tkinter error box if possible
            import tkinter as tk
            from tkinter import messagebox

            root = tk.Tk()
            root.withdraw()
            # MODIFIED: Messagebox content translated/updated
            messagebox.showerror(
                "Fatal Error",
                f"Application failed to run:\n{e}\n\nSee console for details.",
            )
            root.destroy()
        except Exception:
            pass  # Ignore if Tkinter fails here too
        sys.exit(1)


# --- Main Execution Guard ---
# This guard is still useful if you were to potentially import `__main__` elsewhere,
# though it's less critical when the primary execution path is `python -m`.
if __name__ == "__main__":
    # print(f"Running PyInstallerGUIWrapper via __main__.py with Python {sys.version}")
    main()