# -*- coding: utf-8 -*-
"""
Created on Fri Sep  4 11:36:24 2020

@author: Igor Beloschapkin
"""

import tkinter
import tkinter.font
import tkinter.filedialog
import subprocess
import configparser
import os

# TODO Eventuell updatefunktion über git pull mit einbauen!

__version__ = 0.4

class PythonBCIgui:

    def __init__(self, master):
        # Einstellung der Button Größe
        textH = 4
        textHsmall = 2
        textW = 20

        def makeBtn(self, text, bg, command):
            self.button = tkinter.Button(frame, text=text, bg=bg, command=command)
            self.button.config( height = textH, width = textW )
            self.button['font'] = tkinter.font.Font(family='Helvetica', size=16, weight='bold')
            return self.button

        def makeBtnSmall(self, text, bg, command):
            self.button = tkinter.Button(frame, text=text, bg=bg, command=command)
            self.button.config( height = textHsmall, width = textW )
            self.button['font'] = tkinter.font.Font(family='Helvetica', size=16, weight='bold')
            return self.button

        frame = tkinter.Frame(master)
        frame.pack()

        # label generation
        headerText = config['SETTINGS']['paradigm'] + ' BCI'
        self.Lparadigm = tkinter.Label(frame, text = headerText, height = 4, width = 20)
        self.Lparadigm['font'] = tkinter.font.Font(family='Helvetica', size=16, weight='bold')
        self.Lparadigm.pack()

        # button generation
        self.BtacFilter = makeBtn(self, "Filter", "pink", self.btn_tacFilter)

        self.BtacCal = makeBtn(self, "Kalibrierung", "lightgreen", self.btn_tacCal)
        self.BvisCal = makeBtn(self, "Kalibrierung", "lightgreen", self.btn_visCal)

        self.Bp300 = makeBtn(self, "P300 Klassifizierung", "orange", self.btn_p300)

        self.BtacCopy = makeBtn(self, "Freies Buchstabieren:\nTest", "lightblue", self.btn_tacCopy)
        self.BtacCopyNested = makeBtn(self, "Freies Buchstabieren:\nKategorien", "lightyellow", self.btn_tacCopyNested)
        self.BvisCopy = makeBtn(self, "Freies Buchstabieren", "lightblue", self.btn_visCopy)


        frame.rowconfigure((0,1), weight=1)  # make buttons stretch when # TODO Remove
        frame.columnconfigure((0,2), weight=1)  # when window is resized
        # TODO Hilfestellung nach jedem Button aufploppen lassen:
        # Was tun? Wo klicken? Welche File wo laden?

        self.pack_layout()

    # FILTER ##################################
    def btn_tacFilter(self):
        print('Starte TactileBCIFilter.exe')
        subprocess.Popen(config['PATH']['tactilebcifilter'] + r'\TactileBCIFilter.exe')

    # KALIBRIERUNGEN ###########################
    def btn_tacCal(self):
        print('starte taktile Kalibrierung')
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\Operator.exe', '--OnConnect', '-LOAD PARAMETERFILE TactileCalibration.prm'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\gUSBampSource.exe', '127.0.0.1'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\P3SignalProcessing.exe', '127.0.0.1'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\P3Speller.exe', '127.0.0.1'])
        # TODO Lock einführen und bei Returnwert Lock öffnen mit tkinter.Button.config(state = tkinter.DISABLED)
    def btn_visCal(self):
        print('starte visuelle Kalibrierung')
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\Operator.exe', '--OnConnect', '-LOAD PARAMETERFILE gUSBamp_visual_copySpeller.prm'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\gUSBampSource.exe', '127.0.0.1'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\P3SignalProcessing.exe', '127.0.0.1'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\P3Speller.exe', '127.0.0.1'])

    # P300 Classifier #########################
    def btn_p300(self):
        print('Starte P300Classifier.exe')
        subprocess.Popen(config['PATH']['bci2000'] + r'\tools\P300Classifier\P300Classifier.exe')

    # COPYSPELL     ###########################
    def btn_tacCopy(self):
        print('Starte taktilen Speller')
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\Operator.exe', '--OnConnect', '-LOAD PARAMETERFILE TactileCopy.prm'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\gUSBampSource.exe', '127.0.0.1'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\P3SignalProcessing.exe', '127.0.0.1'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\P3Speller.exe', '127.0.0.1'])
    def btn_tacCopyNested(self):
        print('Starte taktilen Speller')  # TODO Prints rausnehmen
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\Operator.exe', '--OnConnect', '-LOAD PARAMETERFILE TactileCopyNested.prm'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\gUSBampSource.exe', '127.0.0.1'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\P3SignalProcessing.exe', '127.0.0.1'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\P3Speller.exe', '127.0.0.1'])
    def btn_visCopy(self):
        print('Starte visuellen Speller')
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\Operator.exe', '--OnConnect', '-LOAD PARAMETERFILE gUSBamp_visual_freeSpeller.prm'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\gUSBampSource.exe', '127.0.0.1'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\P3SignalProcessing.exe', '127.0.0.1'])
        subprocess.Popen([config['PATH']['bci2000'] + r'\prog\P3Speller.exe', '127.0.0.1'])

    # This Function packs all the Buttons into the Layout
    def pack_layout(self):
        if config['SETTINGS']['paradigm'] == 'Tactile':
            self.BtacFilter.pack()
            self.BtacCal.pack()
            self.Bp300.pack()
            self.BtacCopy.pack()
            self.BtacCopyNested.pack()
        elif config['SETTINGS']['paradigm'] == 'Visual':
            self.BvisCal.pack()
            self.Bp300.pack()
            self.BvisCopy.pack()

    # This Function removes all the Buttons from the Layout
    def unpack_layout(self):
        # Add ALL your Buttons here
        self.BtacFilter.pack_forget()
        self.BtacCal.pack_forget()
        self.BvisCal.pack_forget()
        self.Bp300.pack_forget()
        self.BtacCopy.pack_forget()
        self.BtacCopyNested.pack_forget()
        self.BvisCopy.pack_forget()

    def global_close(self, window):
        print('Beenden')
        window.destroy()

# set paths
pathOrigin = os.path.dirname(os.path.realpath(__file__))  # set pathOrigin to directory of this file
os.chdir(pathOrigin)
config = configparser.ConfigParser()
configPath = pathOrigin + '/config.ini'
config.read(configPath)


def setVisual():
    if config['SETTINGS']['paradigm'] == 'Visual':
        return
    else:
        config['SETTINGS']['paradigm'] = 'Visual'
        config.write(open(configPath,'w'))
        app.Lparadigm.config(text = config['SETTINGS']['paradigm'] + ' BCI')
        app.unpack_layout()
        app.pack_layout()

def setTactile():
    if config['SETTINGS']['paradigm'] == 'Tactile':
        return
    else:
        config['SETTINGS']['paradigm'] = 'Tactile'
        config.write(open(configPath,'w'))
        app.Lparadigm.config(text = config['SETTINGS']['paradigm'] + ' BCI')
        app.unpack_layout()
        app.pack_layout()

root = tkinter.Tk()
root.title('PythonBCIgui v' + str(__version__))

def setPathBci2000():
    tkinter.messagebox.showinfo('Konfiguration', 'Bitte wählen Sie nun den BCI2000 Ordner aus, in dem sich die Ordner "batch", "data", "icons", "parms", "prog" und "tools" befinden.')
    tmpPath = tkinter.filedialog.askdirectory()
    if not tmpPath:
        pass
    else:
        config['PATH']['bci2000'] = tmpPath
        config.write(open(configPath,'w'))

def setPathTactileBCIFilter():
    tkinter.messagebox.showinfo('Konfiguration', 'Bitte wählen Sie nun den Ordner aus, in dem sich die TactileBCIfilter.exe befindet.')
    tmpPath = tkinter.filedialog.askdirectory()
    if not tmpPath:
        pass
    else:
        config['PATH']['tactilebcifilter'] = tmpPath
        config.write(open(configPath,'w'))

def setConfigDefault():
    # config['PATH']['tactilebcifilter'] = r'C:/Users/bci/Desktop/Qt Filter Program/build-TactileBCIFilter-Desktop_Qt_5_15_0_MinGW_32_bit-Release/release'
    # config['PATH']['bci2000'] = r'C:/BCI2000/BCI2000 v3.6.beta.R5570/BCI2000.x64'
    config['PATH']['tactilebcifilter'] = r'C:\Users\EEG-Gruppe\Desktop\Arduino\Qt Tactile BCI Filter App\Executable'
    config['PATH']['bci2000'] = r'C:\Users\EEG-Gruppe\Desktop\BCI Paket\Paradigmen\Tactile\BCI2000\BCI2000-06-13\BCI2000src'
    config['SETTINGS']['paradigm'] = r'Visual'
    config['SETTINGS']['hardware'] = r'gUSBamp'  # TODO Add gNautilus parameters
    config.write(open(configPath,'w'))
    app.Lparadigm.config(text = config['SETTINGS']['paradigm'] + ' BCI')
    app.unpack_layout()
    app.pack_layout()

def on_closing():
    #self.global_close(root)
    print('Beenden')
    root.destroy()
    # root.quit()

root.protocol("WM_DELETE_WINDOW", on_closing)

leistenMenu = tkinter.Menu(root)

fileMenu = tkinter.Menu(leistenMenu)
leistenMenu.add_cascade(label="Datei", menu=fileMenu)
fileMenu.add_command(label="Einstellungen Zurücksetzen", command=setConfigDefault)
fileMenu.add_command(label="Beenden", command=on_closing)

paradigmMenu = tkinter.Menu(leistenMenu)
leistenMenu.add_cascade(label="Paradigmen", menu=paradigmMenu)
paradigmMenu.add_command(label="Visual", command=setVisual)
paradigmMenu.add_separator()
paradigmMenu.add_command(label="Tactile", command=setTactile)

pathMenu = tkinter.Menu(leistenMenu)
leistenMenu.add_cascade(label="Pfade", menu=pathMenu)
pathMenu.add_command(label="BCI2000", command=setPathBci2000)
pathMenu.add_separator()
pathMenu.add_command(label="TactileBCIFilter", command=setPathTactileBCIFilter)

root.config(menu = leistenMenu)

app = PythonBCIgui(root)
root.mainloop()
#root.destroy() # optional;

# TODO Remove prints before deployment