#!/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():
    prog = os.popen("caget -noname -num -nostat X07MA-ES1-TEMP:CONTROL")
    sp=prog.read()
    if sp =='':
        Tcontrol_on = False
    else:
        sp = float(sp)
        if sp != 1:
            Tcontrol_on = False
        else:
            Tcontrol_on = True
    # print "Tctrl on =",Tcontrol_on
    return Tcontrol_on

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


Tctrl = check_Tcontrol_on()

if Tctrl == False :
    print 'T auto control not running.'
    sp = caget("X07MA-PC-TC:DMD:LOOP1:SETPOINT")

    # 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 = 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)