main.py

"""
main.py - PDFuse entry point.
Checks dependencies and launches the application.
"""

import sys


REQUIRED = {
    "customtkinter": "customtkinter",
    "pypdf":         "pypdf",
    "reportlab":     "reportlab",
    "pandas":        "pandas",
    "openpyxl":      "openpyxl",
    "PIL":           "Pillow",
    "fitz":          "pymupdf",
}

missing = []
for module, package in REQUIRED.items():
    try:
        __import__(module)
    except ImportError:
        missing.append(package)

if missing:
    print("=" * 60)
    print("ERROR: Faltan dependencias requeridas.")
    print("Instálalas con:\n")
    print(f"  pip install {' '.join(missing)}")
    print("=" * 60)
    sys.exit(1)


def _set_taskbar_icon():
    """
    On Windows, explicitly set the AppUserModelID so the OS groups the
    window under PDFuse's own icon in the taskbar instead of python.exe.
    Must be called before the Tk window is created.
    """
    if sys.platform != "win32":
        return
    try:
        import ctypes
        ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(
            "pdfuse.app.1.0"
        )
    except Exception:
        pass


def main():
    _set_taskbar_icon()
    from gui import PDFuseApp
    app = PDFuseApp()
    app.mainloop()


if __name__ == "__main__":
    main()