dry_run = False
do_elog = True

if get_exec_pars().source == CommandSource.ui:
    las_offset_deg = 0.0
    plt            = None
else:
    las_offset_deg = args[0]
    plt            = args[1]
Bunch = caget("SLG-LGEN:WHICH_LASER")
B1las = caget("SIN-TIMAST-TMA:Bunch-1-Las-Sel")
B2las = caget("SIN-TIMAST-TMA:Bunch-2-Las-Sel")
cur_las_delay = 0.0
if   Bunch == "Bunch 1":
    if   B1las == "Alcor":
        Laser = "Alcor"
        cur_las_delay = caget("SLGOS01-TSPL-ALC:CURR_DELTA_T")
    elif   B1las == "Mizar":
        Laser = "Mizar"
        cur_las_delay = caget("SLGOS01-TSPL-MIZ:CURR_DELTA_T")
    elif   B1las == "Jaguar":
        Laser = "Jaguar"
        cur_las_delay = caget("SLGJG-TSPL-JAG:CURR_DELTA_T")
elif Bunch == "Bunch 2":
    if   B2las == "Alcor":
        Laser = "Alcor"
        cur_las_delay = caget("SLGOS01-TSPL-ALC:CURR_DELTA_T")
    elif   B2las == "Mizar":
        Laser = "Mizar"
        cur_las_delay = caget("SLGOS01-TSPL-MIZ:CURR_DELTA_T")
    elif   B2las == "Jaguar":
        Laser = "Jaguar"
        cur_las_delay = caget("SLGJG-TSPL-JAG:CURR_DELTA_T")
elif Laser == "Both":
    Laser = None
    cur_las_delay = None
new_las_delay = cur_las_delay - 333.467 * las_offset_deg / 360.0 # s-band: 1 / (142.8 MHz * 21) = 333.467 ps
if not dry_run:
    if   Laser == "Alcor":
        caput("SLGOS01-TSPL-ALC:NEW_DELTA_T"            , new_las_delay         )
        caput("SLGOS01-TSPL-ALC:SET_NEW_PHASE.PROC"     , 1                     )
    elif Laser == "Mizar":
        caput("SLGOS01-TSPL-MIZ:NEW_DELTA_T"            , new_las_delay         )
        caput("SLGOS01-TSPL-MIZ:SET_NEW_PHASE.PROC"     , 1                     )
    elif Laser == "Jaguar":
        caput("SLGJG-TSPL-JAG:NEW_DELTA_T"              , new_las_delay         )
        caput("SLGJG-TSPL-JAG:SET_NEW_PHASE.PROC"       , 1                     )
if do_elog:
    title = "Set laser delay"
    log_msg = ""
    if   Laser == "Alcor":
        log_msg = "SLGOS01-TSPL-ALC:NEW_DELTA_T: %12.4f" % new_las_delay + " ps     (was %12.4f" % cur_las_delay + " ps)\n"
    elif Laser == "Mizar":
        log_msg = "SLGOS01-TSPL-MIZ:NEW_DELTA_T: %12.4f" % new_las_delay + " ps     (was %12.4f" % cur_las_delay + " ps)\n"
    elif Laser == "Jaguar":
        log_msg = "SLGJG-TSPL-JAG:NEW_DELTA_T:   %12.4f" % new_las_delay + " ps     (was %12.4f" % cur_las_delay + " ps)\n"
    attachments = []
    if plt is not None:
        sleep(0.1) #Give some time to plot to be finished - it is not sync  with acquisition
        file_name = os.path.abspath(get_context().setup.getContextPath() + "/GunEnergyScanLasSet.png")
        plt.saveSnapshot(file_name , "png")
        attachments = [file_name]
    elog(title, log_msg, attachments)
show_message("Success setting laser delay")