import PySimpleGUI as psg

psg.set_options(dpi_awareness=True, scaling=1.50)
#psg.theme('DarkTeal10')


text_line = psg.Text(text='Enter distance in kilometres:')
text_input = psg.Input(key='-kilometres-', pad=((10, 5), (10, 0)), expand_x=True)
convert_button = psg.Button('Convert', key='convert', auto_size_button=True)
converted = psg.Text('Distance in miles:')
miles = psg.Text('', key='miles', pad=((10, 0), (10, 0)))


layout = [
    [text_line, text_input],
    [convert_button],
    [converted, miles]
]


window = psg.Window(title='km to mi converter', layout=layout, size=[600, 130], font=('Arial', 11), element_padding=((0, 0), (10, 0)))

while True:
    event, values = window.read()
    print(event)
    print(values)

    if event == psg.WINDOW_CLOSED:
        break

    match event:
        case 'convert':
            if values['-kilometres-'] != '' and values['-kilometres-'].isdigit():
                km = float(values['-kilometres-'])
                print(type(km), km)
                converted = km * 0.6213711922
                window['miles'].update(value=round(converted, 2))
                window['-kilometres-'].update(value='')
            else:
                window['miles'].update(value='No Values To Convert')
                window['-kilometres-'].update(value='')