#Parameters (global variables):
#    ranges: list of RangeSelection havinf args = (step_size, step_time, iterations)
#    pass_energy
#
#    skip_iteration: if set to 1 then skips after end of current iteration

from ch.psi.pshell.data.ScanPersistenceStrategyDefault import ATTR_WRITABLE_DIMENSION as ATTR_WRITABLE_DIMENSION

if scienta.acquisitionMode == scienta.AcquisitionMode.Fixed:
    scienta.acquisitionMode = scienta.AcquisitionMode.Swept
ret=[]


#Global arguments
scienta.passEnergy = pass_energy

xps_spectrum_step = 0
names=[]
for i in range(len(ranges)):       
    names.append(str(ranges[i]))
plots = plot(None, names)
try:
    for i in range(len(ranges)):  
        skip_iteration = False
        xps_spectrum_step = xps_spectrum_step+1     
        scienta.lowEnergy.put(ranges[i].min)
        scienta.highEnergy.put(ranges[i].max)
        scienta.update()

        vars = ranges[i].vars
        scienta.stepTime.write(vars[0])
        scienta.stepSize.write(vars[1])
        scienta.setIterations(1)

        #iterations done in script
        xdata = None
        ydata = None
        for j in range(vars[2]):        
            trig_scienta()
            spectrum_array = scienta.spectrum.read()
            if ydata is None:
                ydata = spectrum_array
            else:
                for k in range (len(spectrum_array)):
                    ydata[k] = ydata[k] + spectrum_array[k]
            if xdata is None:
                xdata = scienta.spectrumX
            plots[i].getSeries(0).setData(xdata, ydata)
            if skip_iteration: 
                break
            plots[i].setTitle(str(ranges[i]) + " - iteration " + str(j+1))

        plots[i].setTitle(str(ranges[i]))
        ret.append((xdata, ydata))

        data1d = [1,2,3,4,5]
        path="scan" + str(i+1) + "/"
        save_dataset(path + "spectrum", ydata)
        save_dataset(path + "channels", xdata)
        set_attribute(path + "channels", ATTR_WRITABLE_DIMENSION, 1)
        set_attribute(path, "Range Low", ranges[i].min)
        set_attribute(path, "Range High", ranges[i].max)
        set_attribute(path, "Step Time",vars[0])
        set_attribute(path, "Step Size",vars[1])
        set_attribute(path, "Pass Energy",pass_energy)
        set_attribute(path, "Iterations",j+1)


finally:
    xps_spectrum_step = 0
    if not scienta.isReady():
        scienta.stop()
set_return(to_array(ret,'o'))