import sys

import pandas as pd
from PyQt6.QtWidgets import QApplication

from banking_breakdown.ui.main_window import MainWindow


def show_main_window(df: pd.DataFrame = None):
    app = QApplication(sys.argv)
    window = MainWindow()

    if df is not None:
        window.set_statement_data(df)

    window.show()
    app.exec()