import PySimpleGUI as sg
import subprocess
from shutil import copyfile
import shutil
import os

'''
    Make a "Windows os" executable with PyInstaller
'''

def Launcher():
    sg.theme('LightGreen')

    layout = [[sg.Text('PyInstaller EXE Creator', font='Any 15')],
              [sg.Text('Source Python File'), sg.Input(key='-sourcefile-', size=(45, 1)),
               sg.FileBrowse(file_types=(("Python Files", "*.py"),))],
              [sg.Text('Icon File'), sg.Input(key='-iconfile-', size=(45, 1)),
               sg.FileBrowse(file_types=(("Icon Files", "*.ico"),))],
              [sg.Frame('Output', font='Any 15', layout=[
                        [sg.Output(size=(65, 15), font='Courier 10')]])],
              [sg.ReadFormButton('Make EXE', bind_return_key=True),
               sg.SimpleButton('Quit', button_color=('white', 'firebrick3')), ]]

    window = sg.Window('PySimpleGUI EXE Maker',
                       layout,
                       auto_size_text=False,
                       auto_size_buttons=False,
                       default_element_size=(20, 1,),
                       text_justification='right')

    # ---===--- Loop taking in user input --- #
    while True:

        event, values = window.read()
        if event in ('Exit', 'Quit', None):
            break

        source_file = values['-sourcefile-']
        icon_file = values['-iconfile-']

        icon_option = '-i "{}"'.format(icon_file) if icon_file else ''
        source_path, source_filename = os.path.split(source_file)
        workpath_option = '--workpath "{}"'.format(source_path)
        dispath_option = '--distpath "{}"'.format(source_path)
        specpath_option = '--specpath "{}"'.format(source_path)
        folder_to_remove = os.path.join(source_path, source_filename[:-3])
        file_to_remove = os.path.join(
            source_path, source_filename[:-3]+'.spec')
        command_line = 'pyinstaller -wF "{}" {} {} {} {}'.format(
            source_file, icon_option, workpath_option, dispath_option, specpath_option)

        if event == 'Make EXE':
            try:
                print(command_line)
                print(
                    'Making EXE...the program has NOT locked up...')
                window.refresh()
                # print('Running command {}'.format(command_line))
                runCommand(command_line)
                shutil.rmtree(folder_to_remove)
                os.remove(file_to_remove)
                print('**** DONE ****')
            except:
                sg.popup_error('Something went wrong')


def runCommand(cmd, timeout=None):
    """
        run shell command

        @param cmd: command to execute
        @param timeout: timeout for command execution

        @return: (return code from command, command output)
    """
    p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    out, err = p.communicate()
    p.wait(timeout)
    return (out, err)

if __name__ == '__main__':
    Launcher()