import tkinter as tk
import signal
import os
import subprocess
import time

win = tk.Tk()
win.title(" AStrophoto Pauses Longues")

### WIDGETS ###
canvas1 = tk.Canvas(win, width = 550, height = 320, relief = 'raised')
canvas1.pack()
slider1 = tk.Scale(win, from_=0, to=180, orient='horizontal', resolution=5, tickinterval=60, length=300, label='pause (s)')
canvas1.create_window(170,50, window=slider1)
slider2 = tk.Scale(win, from_=0, to=100, orient='horizontal', resolution=1, tickinterval=25, length=300, label='intervale (s)')
canvas1.create_window(170,130, window=slider2)
slider3 = tk.Scale(win, from_=0, to=100, orient='horizontal', resolution=1, tickinterval=25, length=300, label='nombre')
canvas1.create_window(170,210, window=slider3)
label1 = tk.Label(win, text='ISO')
label1.config(font=('helvetica', 15))
canvas1.create_window(450,24, window=label1)
spinbox1 = tk.Spinbox(win, values=["250","320","400","500","640","800","1000","1250","1600","2000","2500","3200","4000","5000","6400" ],width=4)
spinbox1.config(font=('helvetica', 30))
canvas1.create_window(450,60, window=spinbox1)

### Event Functions ###
def killgphoto2Process():
    p = subprocess.Popen(['ps', '-A'], stdout=subprocess.PIPE)
    out, err = p.communicate()
    for line in out.splitlines():
        if b'gvfsd-gphoto2' in line:
            pid = int(line.split(None,1)[0])
            os.kill(pid, signal.SIGKILL)
def takepicture():    
    tmpPause = int(slider1.get())
    isovalue = int(spinbox1.get())
    interPause = int(slider2.get())
    nbrPhoto = int(slider3.get())
    tempphoto = (tmpPause + interPause)
    print("def BULB et def ISO")
    subprocess.run(["gphoto2","--set-config","shutterspeed=bulb"])
    time.sleep(2)
    print("Bulb OK")
    subprocess.run(["gphoto2","--set-config","iso="+str(isovalue)])
    time.sleep(2)
    print("ISO OK")
    i=1
    while i <= nbrPhoto :
        label2=tk.Label(win,text='photo '+str(i)+'/'+str(nbrPhoto)+' reste '+ str((nbrPhoto - i)*tempphoto)+ ' secondes', fg='blue',font=('helvetica',14, 'bold'),width=25)
        canvas1.create_window(275,300, window=label2)
        win.update_idletasks()
        print("i=",(i))
        subprocess.run(["gphoto2","--set-config","eosremoterelease=2"])
        time.sleep(tmpPause)
        subprocess.run(["gphoto2","--set-config","eosremoterelease=4"])
        time.sleep(2)
        print("photo",(i))
        time.sleep(interPause)
        i=i+1
def close():
    win.destroy()    # ferme le pgme

takePic = tk.Button (text='LANCER', command=takepicture, bg='blue', fg='white', font=('helvetica',10, 'bold'))
canvas1.create_window(50,300, window=takePic)
exitButton = tk.Button(text='QUITTER', command=close, bg='red', fg='white', font=('helvetica',10, 'bold'))
canvas1.create_window(500,300, window=exitButton)
killgphoto2Process()            
win.mainloop() # Loops forever