from collections import OrderedDict

diag_channels = { \
     #"photon energy": "X11MA-PGM:rbkenergy", \
     #"grating number": "X11MA-PGM:grating", \
     #"cff value": "X11MA-PGM:rbkcff", \
     "diffraction order": "X11MA-PGM:difforder0", \
     #"exit slit size":"X11MA-OP2-SL:TRY.VAL", \
     "front end size":"X11MA-FE-DSAPER", \
     "status fast shutter":"X11MA-VME-ES1:FAST-SHTR", \
     "girder x": "X11MA-HG:X1", \
     "girder y": "X11MA-HG:Y1", \
     "girder z": "X11MA-HG:Z1", \
     "girder pitch": "X11MA-HG:PITCH1", \
     "girder yaw": "X11MA-HG:YAW1", \
     "girder roll": "X11MA-HG:ROLL1", \         
     "CMU ox": "X11MA-OP-CM:ox", \
     "CMU oy": "X11MA-OP-CM:oy", \
     "CMU oz": "X11MA-OP-CM:oz", \
     "CMU oRx": "X11MA-OP-CM:oRx", \
     "CMU oRy": "X11MA-OP-CM:oRy", \
     "CMU oRz": "X11MA-OP-CM:oRz", \
     "CMU TRB": "X11MA-OP2-CM:TRB.RBV", \
     #"mode": "X11PHS-E:OPT", \
     #"id1 mode": "X11MA-ID1:MODE", \
     #"id1 offset": "X11MA-ID1:ENERGY-OFFS", \
     #"id1 alpha": "X11MA-ID1:ALPHA", \
     #"id1 harmonic": "X11MA-ID1:HARMONIC", \
     "id1 gap": "X11MA-ID1-GAP:READ", \
     "id1 shift": "X11MA-ID1-SHIFT:READ", \
     #"id2 mode": "X11MA-ID2:MODE", \
     #"id2 offset": "X11MA-ID2:ENERGY-OFFS", \
     #"id2 alpha": "X11MA-ID2:ALPHA", \
     #"id2 harmonic": "X11MA-ID2:HARMONIC", \
     "id2 gap": "X11MA-ID2-GAP:READ", \
     "id2 shift": "X11MA-ID2-SHIFT:READ", \
     "keithley 10 IO": "X11Keithley1-read", \
     #"ring current": "ARIDI-PCT:CURRENT", \
     "PEEM high voltage": "X11MA-ES1-PEEM:UMON", \
     "PEEM leakage current": "X11MA-ES1-PEEM:IMON", \
     "Pressure in PEEM": "X11MA-ES1-MAIN:PRESSURE", \
     "Pressure in Column": "X11MA-ES1-COLU:PRESSURE", \
     "Sample temperature": "X11MA-ES1-SW:Pt100-T", \
     "Pt100 resistance": "X11MA-ES1-SW:Pt100-R", \
     "high voltage": "X11MA-ES1-SD1:cam1:HighVoltage_RBV", \
    }
    
diag_devices = { 
     "photon energy": energy_rbk, \
     "grating number": Grating, \
     "cff value": cff, \
     "exit slit size": ES, \
     "mode": energy_opt, \
     "id1 mode": id1_mode, \
     "id1 offset": id1_offset, \
     "id1 alpha": id1_alpha, \
     "id1 harmonic": id1_harmonic, \
     "id2 mode": id2_mode, \
     "id2 offset": id2_offset, \
     "id2 alpha": id2_alpha, \
     "id2 harmonic": id2_harmonic, \
     "ring current": machine_cur, \
     "ai1 current": ai1, \
    }


def get_diags():
    ret = {}
    for k,v in diag_devices.items():
        try:
            ret[k]=str(v.read())
        except:
            ret[k]="Error: " + str(sys.exc_info()[1])
    for k,v in diag_channels.items():
        try:
            ret[k]=caget(v,'s')
        except:
            ret[k]="Error: " + str(sys.exc_info()[1])
    ret["exposure time"] = str(eiger.getExposure())
    return OrderedDict(sorted(ret.items(), key=lambda i: i[0].lower()))

def print_diags():
    diags = get_diags()
    for k in diags.keys():
        print k + ": " + diags[k]


#- exposure time
#- mode: normal or tune/detune