#!/usr/bin/env python 
# -*- coding: utf-8 -*-

#-----------------------------------------------------------------------------
# :author:    John Hammonds
# :email:     JPHammonds@anl.gov
#-----------------------------------------------------------------------------

"""
SPEC data file control lines unique to the APS XPCS instrument
"""

import six

from ..eznx import makeGroup
from ..plugin import AutoRegister, ControlLineHandler
from ..spec import SpecDataFileHeader, SpecDataFileScan
from ..utils import strip_first_word


@six.add_metaclass(AutoRegister)
class XPCS_VA(ControlLineHandler):
    """**#VA**"""

    key = '#VA\d+'
    scan_attributes_defined = ['VA']

    def process(self, text, spec_obj, *args, **kws):
        subkey = text.split()[0].lstrip('#')
        if not hasattr(spec_obj, 'VA'):
            spec_obj.VA = {}
        spec_obj.VA[subkey] = strip_first_word(text)
        if isinstance(spec_obj, SpecDataFileHeader):
            spec_obj.addH5writer(self.key, self.writer)
    
    def writer(self, h5parent, writer, scan, nxclass=None, *args, **kws):
        """ Describe how to write VA data"""
        desc = "XPCS VA parameters"
        group = makeGroup(h5parent, 'VA', nxclass,description=desc)
        dd = {}
        for item, value in scan.VA.items():
            dd[item] = list(map(str, value.split()))
        writer.save_dict(group, dd)


@six.add_metaclass(AutoRegister)
class XPCS_VD(ControlLineHandler):
    """**#VD** """

    key = '#VD\d+'
    scan_attributes_defined = ['VD']

    def process(self, text, spec_obj, *args, **kws):
        subkey = text.split()[0].lstrip('#')
        if not hasattr(spec_obj, 'VD'):
            spec_obj.VD = {}
            
        spec_obj.VD[subkey] = strip_first_word(text)
        if isinstance(spec_obj, SpecDataFileHeader):
            spec_obj.addH5writer(self.key, self.writer)
    
    def writer(self, h5parent, writer, scan, nxclass=None, *args, **kws):
        """Describe how to write VD data"""
        desc = "XPCS VD parameters"
        group = makeGroup(h5parent, 'VD', nxclass, description=desc)
        dd = {}
        for item, value in scan.VD.items():
            dd[item] = list(map(str, value.split()))
        writer.save_dict(group, dd)


@six.add_metaclass(AutoRegister)
class XPCS_VE(ControlLineHandler):
    """**#VE** """

    key = '#VE\d+'
    scan_attributes_defined = ['VE']

    def process(self, text, spec_obj, *args, **kws):
        subkey = text.split()[0].lstrip('#')
        if not hasattr(spec_obj, 'VE'):
            spec_obj.VE = {}
            
        spec_obj.VE[subkey] = strip_first_word(text)
        if isinstance(spec_obj, SpecDataFileHeader):
            spec_obj.addH5writer(self.key, self.writer)
    
    def writer(self, h5parent, writer, scan, nxclass=None, *args, **kws):
        """Describe how to write VE data"""
        desc = "XPCS VE parameters"
        group = makeGroup(h5parent, 'VE', nxclass,description=desc)
        dd = {}
        for item, value in scan.VE.items():
            dd[item] = list(map(str, value.split()))
        writer.save_dict(group, dd)


@six.add_metaclass(AutoRegister)
class XPCS_XPCS(ControlLineHandler):
    """#XPCS"""
    
    key = '#XPCS'
    scan_attributes_defined = ['XPCS']
    
    def process(self, text, spec_obj, *args, **kws):
        if not hasattr(spec_obj, 'XPCS'):
            spec_obj.XPCS = {}
        splitWord = strip_first_word(text).split()
        spec_obj.XPCS[splitWord[0]] = splitWord[1:]
        if isinstance(spec_obj, SpecDataFileScan):
            spec_obj.addH5writer(self.key, self.writer)
        
    def writer(self, h5parent, writer, scan, nxclass=None, *args, **kws):
        pass
    

@six.add_metaclass(AutoRegister)
class XPCS_CCD(ControlLineHandler):
    """#CCD"""
    
    key = '#CCD'
    scan_attributes_defined = ['CCD']
    
    def process(self, text, spec_obj, *args, **kws):
        if not hasattr(spec_obj, 'CCD'):
            spec_obj.CCD = {}
        splitWord = strip_first_word(text).split()
        spec_obj.CCD[splitWord[0]] = splitWord[1:]
        if isinstance(spec_obj, SpecDataFileScan):
            spec_obj.addH5writer(self.key, self.writer)
        
    def writer(self, h5parent, writer, scan, nxclass=None, *args, **kws):
        pass
