import tkinter as tk
from tkinter import *
from tkinter import ttk

import time  # For sleep, clock, time and perf_counter
from datetime import datetime

import matplotlib.pyplot as plt
from matplotlib.figure import Figure
from matplotlib.backends.backend_tkagg import (FigureCanvasTkAgg, NavigationToolbar2Tk)

import ue9qol

class Sweeper:
    def __init__(self, start, stop, Npoints, SweepTime):
        self.cnt = 0

    def incr(self):
        self.cnt += 1

    def getCnt(self):
        return self.cnt

    
class Experiment:

    def __init__(self, root):
        self.root = root
        self.tic = 0
        self.data = {}
        self.data['tic'] = [] 
        self.data['ch1'] = []
        self.guiSetup(root)
        self.hardware = {}
        self.hardwareSetup()
        self.sweeper = Sweeper(0, 100, 100, 10)
        self.root.after(1, self.hello )
    
    def hardwareSetup(self):
        self.hardware['LabJack'] = ue9qol.UE9qol()

    def guiSetup(self, root): 

        self.bStart=Button(root,text="START",command=self.hello,font=('Arial','24'))
        self.bStart.pack()

        self.bStop=Button(root,text="STOP",command=exit,font=('Arial','24'))
        self.bStop.pack()

        self.fig=plt.figure()

        self.ax = self.fig.add_subplot(1,1,1)
        # self.ax.set_xlim([0,20])
        # self.ax.set_ylim([0,20])
        self.ax.plot([i for i in range(10)],[i for i in range(10)])

        self.canvas = FigureCanvasTkAgg(self.fig, master = root)
        self.canvas.draw()

        # placing the canvas on the Tkinter window
        self.canvas.get_tk_widget().pack()
               
        # creating the Matplotlib toolbar
        self.toolbar = NavigationToolbar2Tk(self.canvas, root)
        self.toolbar.update()
                             
        # placing the toolbar on the Tkinter window
        self.canvas.get_tk_widget().pack()

    def hello(self):
        self.root.after(1, self.hello )
        tic = self.tic
        self.sweeper.incr()
        tic = self.sweeper.getCnt()
        self.hardware['LabJack'].setOutputCh(0, tic % 5)
        self.data['tic'].append(tic)
        self.data['ch1'].append( self.hardware['LabJack'].getInputCh(1) )
        self.tic = self.tic + 1
        start = datetime.now()
        self.ax.cla()
        self.ax.plot(self.data['tic'], self.data['ch1'])
        self.canvas.draw()
        stop = datetime.now()
        runTime = (stop-start).seconds + float((stop-start).microseconds)/1000000
        print("Replot took %s seconds." % runTime)

 
if __name__ == '__main__': 
    root=Tk()

    experiment=Experiment(root) 

    root.mainloop()