# -*- coding: utf-8 -*-
# This software and supporting documentation are distributed by
#     bioPICSEL
#     CEA/DSV/I²BM/MIRCen/LMN, Batiment 61,
#     18, route du Panorama
#     92265 Fontenay-aux-Roses
#     France
#
# This software is governed by the CeCILL license version 2 under
# French law and abiding by the rules of distribution of free software.
# You can  use, modify and/or redistribute the software under the 
# terms of the CeCILL license version 2 as circulated by CEA, CNRS
# and INRIA at the following URL "http://www.cecill.info". 
#
# As a counterpart to the access to the source code and  rights to copy,
# modify and redistribute granted by the license, users are provided only
# with a limited warranty  and the software's author,  the holder of the
# economic rights,  and the successive licensors  have only  limited
# liability.
#
# In this respect, the user's attention is drawn to the risks associated
# with loading,  using,  modifying and/or developing or reproducing the
# software by the user in light of its specific status of free software,
# that may mean  that it is complicated to manipulate,  and  that  also
# therefore means  that it is reserved for developers  and  experienced
# professionals having in-depth computer knowledge. Users are therefore
# encouraged to load and test the software's suitability as regards their
# requirements in conditions enabling the security of their systems and/or 
# data to be ensured and,  more generally, to use and operate it in the 
# same conditions as regards security.
#
# The fact that you are presently reading this means that you have had
# knowledge of the CeCILL license version 2 and that you accept its terms.

# Ligne obligatoire
from brainvisa.processes import *
import os, math, copy, os.path

# Pour les formats de fichier Aims
import shfjGlobals

# Import brainrat libraries
import brainrat.uicheck as uicheck

name = 'FlipApplication'
userLevel = 0

signature = Signature(
    'Input_3dImage',    ReadDiskItem( '3D Volume', 'Biology 3D volume formats' ),
    'Flip_Parameter_1',  Choice( 'xx', 'yy', 'zz',
                                 'xy', 'xz', 'yz',
                                 'xxzz', 'yyzz' ),
    'Flip_Parameter_2',  Choice(  None,'xx', 'yy', 'zz',
                                 'xy', 'xz', 'yz',
                                 'xxzz', 'yyzz' ),
    'Flip_Parameter_3',  Choice(  None,'xx', 'yy', 'zz',
                                 'xy', 'xz', 'yz',
                                 'xxzz', 'yyzz' ),
    'Output_3dImage',   WriteDiskItem( '3D Volume', 'Biology 3D volume formats' ),
  )

def initialization( self ):
  
  # Sets optional parameters
  self.setOptional( 'Flip_Parameter_2' )
  self.setOptional( 'Flip_Parameter_3' )
  self.setOptional( 'Output_3dImage' )

def execution( self, context ):
  try :  
    outputImage = self.Output_3dImage
    
    # Check parameters
    if outputImage is None :
      if context.ask( _t_( uicheck.messages[ 'overwritemessage' ]  ) %
                          { 'inputfield' : 'Input_3dImage',
                            'outputfield' : 'Output_3dImage',
                            'file' : self.Input_3dImage }, 'OK', 'Cancel' ) == 0 :
        outputImage = self.Input_3dImage
      else :
        return
      
    # Write start message
    flipparameters = [ self.Flip_Parameter_1 ]
    if not self.Flip_Parameter_2 is None :
      flipparameters += [ self.Flip_Parameter_2 ]

      if not self.Flip_Parameter_3 is None :
        flipparameters += [ self.Flip_Parameter_3 ]

    context.write( _t_( 'Applying flip on input volume using %s' ) % ( ( ' ' + _t_( 'and' ) + ' ' ).join( flipparameters ) ), ' ', _t_( 'axis' ), ' ...' )
    
    # Process flip on data
    if self.Flip_Parameter_2 is not None:
        tmp1 = context.temporary('GIS image')
        if self.Flip_Parameter_3 is not None:
            tmp2 = context.temporary('GIS image')

            context.system('AimsFlip',
                            '-i', self.Input_3dImage.fullPath(),
                            '-m', self.Flip_Parameter_1.upper(),
                            '-o', tmp1.fullPath() )

            context.system('AimsFlip',
                            '-i', tmp1.fullPath(),
                            '-m', self.Flip_Parameter_2.upper(),
                            '-o', tmp2.fullPath() )

            context.system('AimsFlip',
                            '-i', tmp2.fullPath(),
                            '-m', self.Flip_Parameter_3.upper(),
                            '-o', outputImage.fullPath() )

        else:

            context.system('AimsFlip',
                            '-i', self.Input_3dImage.fullPath(),
                            '-m', self.Flip_Parameter_1.upper(),
                            '-o', tmp1.fullPath() )

            context.system('AimsFlip',
                            '-i', tmp1.fullPath(),
                            '-m', self.Flip_Parameter_2.upper(),
                            '-o', outputImage.fullPath() )
    else:
            context.system('AimsFlip',
                            '-i', self.Input_3dImage.fullPath(),
                            '-m', self.Flip_Parameter_1.upper(),
                            '-o', outputImage.fullPath() )

  except Exception, error :
    context.error( _t_( uicheck.messages[ 'processingerrormessage' ] ) )