# -*- coding: utf-8 -*-
"""
Created on Wed Feb 15 10:44:49 2023

@author: david
"""

from threading import Thread
import collections #Colección de datos para graficarlos
import matplotlib.pyplot as plt #Gráficación de datos
import matplotlib.animation as animation #Animar la gráfica
import time
import serial
#import numpy as np
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg #Crear una figura para insertar en tkinter
import tkinter as tk #Para la interfaz
#from matplotlib.lines import Line2D


def leer_datos():
    time.sleep(1.0)
    arduino.reset_input_buffer()
    print("leyendo")
    while(isRun):
        global isReceiving
        global dato1
        print("RECIBIENDO...")
        dato1 = float(arduino.readline().decode("utf-8").strip())
        print(dato1)
        var.set("TEMPERATURA: " + str(dato1) + " °C")
        isReceiving = True
        
def iniciarGrafica(self, muestras,lines):
    global dato1
    data.append(dato1)
    lines.set_data(range(muestras), data)
global isRun 
isReceiving = False
isRun = True
dato1 = 0.0
serialPort = 'COM3'
baudRate = 9600

def conectar_serial(): 
    global arduino
    try:
        arduino = serial.Serial(serialPort, baudRate)
        arduino.timeout = 0.5
        time.sleep(0.5)
        print("CONECTADO")
        btnStart.config(state = "normal")
        btnConectar.config(state = "disabled")
    except:
        print("Error de conexión")

def iniciar_hilo():
    global thread
    thread = Thread(target=leer_datos)
    thread.start()
    btnStart.config(state = "disabled")
    btnPause.config(state = "normal")
    
def guardarGrafica():
    plt.savefig('miFigura.png')
   
def control1():
    window2 = tk.Toplevel()
    window2.resizable(width = 0, height = 0)
    window2.title('Control Manual')
    window2.geometry('500x300')
    
def control2():
    window3 = tk.Toplevel()
    window3.resizable(width = 0, height = 0)
    window3.title('Control ON/OFF')
    window3.geometry('500x300')

def pausar():
     anim.event_source.stop()
     btnResume.config(state = "normal")
     btnPause.config(state = "disabled")
     
def reanudar():
     anim.event_source.start()
     btnResume.config(state = "disabled")
     btnPause.config(state = "normal")

def desconectar_serial():
    global isRun
    anim.event_source.stop()
    isRun = False
    arduino.close()
    btnPause.config(state = "disabled")
    btnResume.config(state = "disabled")
    
    
muestras = 100
data = collections.deque([0] * muestras, maxlen = muestras)
tiempoMuestreo = 100

fig = plt.figure(facecolor = '0.94')
ax = plt.axes(xlim=(0,100), ylim=(-40, 150))
plt.title("Sensor 1 - Arduino")
ax.set_xlabel("Muestras")
ax.set_ylabel("Voltaje")
lines = ax.plot([], [])[0]

root= tk.Tk()
root.title("Sistema de calentamiento")

var = tk.StringVar()
frame = tk.Frame(root, bd=2)
frame.grid(column=0, row=3, columnspan=2, sticky="nsew")
frame1 = tk.Frame(root)
frame1.grid(column=0, row=1, columnspan=2, sticky="EW")
frame2 = tk.Frame(root)
frame2.grid(column=0, row=2, columnspan=2, sticky="EW")
frame0 = tk.Frame(root)
frame0.grid(column=0, row=0, columnspan=2, sticky="EW")

root.columnconfigure(0, weight=1)
root.columnconfigure(1, weight=1)
#self.master.rowconfigure(0, weigh=1)
#self.master.rowconfigure(1, weigh=1)
#self.master.rowconfigure(2, weigh=1)
root.rowconfigure(3, weigh=5)

canvas = FigureCanvasTkAgg(fig, master=frame)
canvas.get_tk_widget().pack(padx=0, pady=0, expand=True, fill='both') 
btnManual = tk.Button(frame2, text = "Manual", command = control1)
btnManual.grid(row=0, column=0, pady=2, padx=10)
btnOnOff = tk.Button(frame2, text = "ON/OFF", command = control2)
btnOnOff.grid(row=0, column=1, pady=2, padx=10)
btnConectar = tk.Button(frame1, text = "Connect", command = conectar_serial, bg="#00F1FC")
btnConectar.grid(row=0, column=0, pady=2, padx=10)
btnStart = tk.Button(frame1, text = "Start", command = iniciar_hilo, bg="#008C17", state="disabled")
btnStart.grid(row=0, column=1, pady=2, padx=10)
btnPause = tk.Button(frame1, text = "Pause", command = pausar, bg="#E2E200", state="disabled")
btnPause.grid(row=0, column=2, pady=2, padx=10)
btnResume = tk.Button(frame1, text = "Resume", command = reanudar, bg="#00F428", state="disabled")
btnResume.grid(row=0, column=3, pady=2, padx=10)
btnDesconectar = tk.Button(frame2, text='Disconnect', command = desconectar_serial, bg="#FE5E5E")
btnDesconectar.grid(row=0, column=3, pady=2, padx=10)
labelData = tk.Label(frame2, textvariable=var)
labelData.grid(row=0, column=4, pady=2, padx=500)

barraMenu = tk.Menu(frame0)
barra1 = tk.Menu(barraMenu)
barra1.add_command(label="Guardar gráfica", command=guardarGrafica)
barraMenu.add_cascade(label="Archivo", menu=barra1)
root.config(menu=barraMenu)

anim = animation.FuncAnimation(fig, iniciarGrafica, fargs=(muestras, lines), interval = tiempoMuestreo)

root.geometry('1000x600')
root.mainloop()