from startup._common_imports import *  # @UnusedWildImport
from diffcalc.hkl.you.constraints import NUNAME

if GDA:    
    from __main__ import diff1vdelta, diff1halpha, diff1vgamma, diff1homega, dcm1energy # @UnresolvedImport

from diffcalc.hkl.you.geometry import YouGeometry, YouPosition,\
    YouRemappedGeometry

try:
    from numpy import matrix
except ImportError:
    from numjy import matrix


class FourCircleI07EH1h(YouRemappedGeometry):
    """For a diffractometer with angles:
          delta, gam, eta, phi
    """
    def __init__(self, beamline_axes_transform=None):
        YouRemappedGeometry.__init__(self, 'fourc', {'mu': 0, 'chi': 90}, beamline_axes_transform)

        # Order should match scannable order in _fourc group for mapping to work correctly
        omega_to_phi = lambda x: 180. - x
        self._scn_mapping_to_int = (('delta', lambda x: x),
                                    ('gam',   lambda x: x),
                                    ('eta',   lambda x: x),
                                    ('phi',   omega_to_phi))
        phi_to_omega = lambda x: ((180. - x) + 180.) % 360 - 180
        self._scn_mapping_to_ext = (('delta', lambda x: x),
                                    ('gam',   lambda x: x),
                                    ('eta',   lambda x: x),
                                    ('phi',   phi_to_omega))

### Create dummy scannables ###
if GDA:  
    ###map GDA scannable to diffcalc axis name###
    _fourc = ScannableGroup('_fourc', (diff1vdelta, diff1vgamma, diff1halpha, diff1homega))
    delta=_fourc.diff1vdelta
    gam=_fourc.diff1vgamma
    eta=_fourc.diff1halpha
    phi=_fourc.diff1homega
    en=dcm1energy
    if float(en.getPosition()) == 0: # no energy value - dummy mode
        en(800)
else:
    #Create dummy axes to run outside GDA in IPython#   
    delta = Dummy('delta')
    gam = Dummy(NUNAME)
    eta = Dummy('eta')
    phi = Dummy('phi')
    _fourc = ScannableGroup('_fourc', (delta, gam, eta, phi))
    en = Dummy('en')
    en(800)

en.level = 3

### Configure and import diffcalc objects ###
ESMTGKeV = 1
settings.hardware = ScannableHardwareAdapter(_fourc, en, ESMTGKeV)
settings.geometry = FourCircleI07EH1h()  # @UndefinedVariable
settings.energy_scannable = en
settings.axes_scannable_group= _fourc
settings.energy_scannable_multiplier_to_get_KeV = ESMTGKeV
 
# for aliasing completeness
mu= settings.geometry.fixed_constraints['mu']
chi= settings.geometry.fixed_constraints['chi']
from diffcalc.gdasupport.you import *  # @UnusedWildImport

if GDA:
    print "Running in GDA --- aliasing commands"
    alias_commands(globals())
 
# Load the last ub calculation used
lastub()
# Set reference vector direction returning betain and betaout angles as alpha and beta
if ubcalc.name:
    setnphi('0; 0; 1')

### Set i07 specific limits
def setLimitsAndCuts():
    ''' set motor limits for diffcalc, these are within the actual motor limits
    '''
    setmin(delta, -11.275)
    setmax(delta, 100.0) 
    setmin(gam, -11.0)
    setmax(gam, 49.934) 
    setmin(eta, -5.096)
    setmax(eta,  5.115)
    setcut(phi, -180.0)
    print "Current hardware limits set to:"
    hardware()

if not GDA:
    setLimitsAndCuts()

# TODO: make demo code for (2+2) diffractometer geometry
#if not GDA:
#    demo = startup._demo.Demo(globals(), 'fourc')