from gui.utils import nassi, output
import PySimpleGUI as sg
import os.path
import random

def gui():
    #sg.theme_previewer()
    sg.theme('DarkGrey11')

    java_file_list_column = [
        [  
            sg.Text('Java File'),
            sg.In(size=(25, 1), enable_events=True, key="-JAVA FOLDER-"),
            sg.FileBrowse(file_types=(('Java-File', '*.java'), ('ALL Files','*.*')), key='-JAVA FILE-'),  # ('ALL Files','*.*')
        ],
    ]

    file_list_column = [
        [  
            sg.Text('Output Folder'),
            sg.In(size=(25, 1), enable_events=True, key="-OUTPUT FOLDER-"),
            sg.FolderBrowse(),
        ],
        [
            sg.Listbox(
                values=[], enable_events=True, size=(40, 20), key="-OUTPUT FILE LIST-"
            )
        ],
    ]

    diagramm_viewer_column = [
        [sg.Text("Choose your Code. ")],
        [sg.Text(size=(40, 1), key="-TOUT-")],
        [sg.Image(key='-IMAGE-')],
    ]

    buttons_column = [
        [sg.Button(button_text='Create Image', key='-CREATE-')],
        [sg.Button(button_text='Donate', key='-DONATE-')],
    ]


    layout = [
        [   
            sg.Column(java_file_list_column),
            sg.VSeparator(),
            sg.Column(file_list_column),
            sg.VSeparator(),
            sg.Column(buttons_column),
            sg.VSeparator(),
            sg.Column(diagramm_viewer_column),
        ]
    ]

    window = sg.Window('Nassi Viewer', layout, resizable=True)

    while True:
        event, values = window.read()
        if event == 'Exit' or event == sg.WIN_CLOSED:
            break
        
        if event == '-DONATE-':
            sg.popup_notify(('You donated $'+ str(random.randint(0, 1000000000000000)) + '.') , title='Thanks')

        if event == '-OUTPUT FOLDER-':
            fnames = output(values)
            window['-OUTPUT FILE LIST-'].update(fnames)
        elif event == '-OUTPUT FILE LIST-':
            try:
                filename = os.path.join(
                    values["-OUTPUT FOLDER-"], values["-OUTPUT FILE LIST-"][0]
                )
                window["-TOUT-"].update(filename)
                window["-IMAGE-"].update(filename=filename)
            except:
                pass
        if event == '-JAVA FOLDER-':
            folder = values['-JAVA FOLDER-']
            window['-JAVA FOLDER-'].update(values['-JAVA FILE-'])

        elif event == '-CREATE-':
            try:
                if values['-JAVA FOLDER-'] and values['-OUTPUT FOLDER-']:
                    try:
                        file_path = os.path.join(
                        values["-JAVA FOLDER-"],
                        )
                        sg.popup_notify('Succsessful created!' , title='Created')
                        
                    except:
                        pass
                    output_path = values['-OUTPUT FOLDER-']
                    nassi(file_path, output_path)
                    
                    fnames = output(values)
                    window['-OUTPUT FILE LIST-'].update(fnames)

                elif values['-JAVA FOLDER-']:
                    print('No Output')
                    sg.popup_annoying('No Output' , title='Error', auto_close_duration=5, auto_close=True)
                elif values['-OUTPUT FOLDER-']:
                    print('No Input')
                    sg.popup_annoying('No Input' , title='Error', auto_close_duration=5, auto_close=True)
                else:
                    sg.popup_annoying('Unexpected Case!' , title='Error')
            except:
                pass

    window.close()