#!/usr/bin/env python

import os,time,subprocess

# this checks whether the T control is running or not
# it returns True if T control script is running AND the control is switched ON
# if the script is not running OR the control is switched OFF then this check will return False
def check_Tcontrol_on():
    try:
        #prog = os.popen("caget -noname -num -nostat X07MA-ES1-TEMP:CONTROL")
        sp = float( TControl.read() )
    except:  # if channel doesn't exist because orange window with script is not running
        #Tcontrol_on = False
        sp = 0
    finally:
#        sp=prog.read()
         if sp != 1:
             Tcontrol_on = False
         else:
             Tcontrol_on = True

    return Tcontrol_on

#def check_Tcontrol_on():
#    return  (caget('X07MA-ES1-TEMP:CONTROL','i') == 1)

Tctrl = check_Tcontrol_on()
#print ("Tctrl value:", Tctrl)


if Tctrl == False :
    sp = temperature.read()  # caget("X07MA-PC-TC:DMD:LOOP1:SETPOINT")
    print 'T auto control not running. Setpoint = ' + str(sp) + ' K' 

    # path contains the path of the refill log file
    path1=time.strftime("%Y_%m", time.localtime())
    path2=time.strftime("%Y%m%d", time.localtime())
    path="/sls/X07MA/data/x07maop/Data1/"+path1+"/"+path2 +"/"+"refill.log"

    if (sp<2.0):        
        t = temperature.readback.read()    #  caget("X07MA-PC-TC:STS:T1",'d')
        print "t= ",t
        hl = caget("X07MA-PC-HE:LEVELB",'d')
        print "hl= ",hl

        if (t > 3.7):
            run("refill_1kpot")

else:
    print 'T auto control is running. Waiting for temperature to stabilize...'

    while True:
        st = caget("X07MA-ES1-TEMP:STATUS",'i') 

        # if temperature is stable
        if st == 1:
            print "T is now stable."
            break

        time.sleep(1.0)

        Tctrl = check_Tcontrol_on()
        if Tctrl == False:
            print "Tcontrol was switched off. Exiting."
            break

        time.sleep(1.0)