#!/usr/bin/env python
import sys
import PySimpleGUI as sg
import subprocess
import os


"""
    Demo_Toolbar - A floating toolbar with quick launcher
    
    One cool PySimpleGUI demo. Shows borderless windows, grab_anywhere, tight button layout
    You can setup a specific program to launch when a button is clicked, or use the
    Combobox to select a .py file found in the root folder, and run that file.
    
"""

ROOT_PATH = './'


def Launcher():

    sg.theme('Dark')

    namesonly = [f for f in os.listdir(ROOT_PATH) if f.endswith('.py')]

    if len(namesonly) == 0:
        namesonly = ['test 1', 'test 2', 'test 3']

    sg.set_options(element_padding=(0, 0),
        button_element_size=(12, 1), auto_size_buttons=False)

    layout = [[sg.Combo(values=namesonly, size=(35, 30), key='demofile'),
               sg.Button('Run', button_color=('white', '#00168B')),
               sg.Button('Program 1'),
               sg.Button('Program 2'),
               sg.Button('Program 3', button_color=('white', '#35008B')),
               sg.Button('EXIT', button_color=('white', 'firebrick3'))],
              [sg.Text('', text_color='white', size=(50, 1), key='output')]]

    window = sg.Window('Floating Toolbar',
                       layout,
                       no_titlebar=True,
                       grab_anywhere=True,
                       keep_on_top=True)

    # ---===--- Loop taking in user input and executing appropriate program --- #
    while True:
        event, values = window.read()
        if event == 'EXIT' or event == sg.WIN_CLOSED:
            break           # exit button clicked
        if event == 'Program 1':
            print('Run your program 1 here!')
        elif event == 'Program 2':
            print('Run your program 2 here!')
        elif event == 'Run':
            file = values['demofile']
            print('Launching %s' % file)
            ExecuteCommandSubprocess('python', os.path.join(ROOT_PATH, file))
        else:
            print(event)

    window.close()


def ExecuteCommandSubprocess(command, *args, wait=False):
    try:
        if sys.platform == 'linux':
            arg_string = ''
            arg_string = ' '.join([str(arg) for arg in args])
            # for arg in args:
            #     arg_string += ' ' + str(arg)
            print('python3 ' + arg_string)
            sp = subprocess.Popen(['python3 ', arg_string],
                                  shell=True,
                                  stdout=subprocess.PIPE,
                                  stderr=subprocess.PIPE)
        else:
            arg_string = ' '.join([str(arg) for arg in args])
            sp = subprocess.Popen([command, arg_string],
                                  shell=True,
                                  stdout=subprocess.PIPE,
                                  stderr=subprocess.PIPE)
            # sp = subprocess.Popen([command, list(args)], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

        if wait:
            out, err = sp.communicate()
            if out:
                print(out.decode("utf-8"))
            if err:
                print(err.decode("utf-8"))
    except:
        pass


if __name__ == '__main__':
    Launcher()