# -*- coding: utf-8 -*-
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'''
Using PyAnatomist in BrainVisa
------------------------------

This example shows how to use Anatomist from a BrainVisa process, and get events from Anatomist even when it is run through a socket connection.
'''

from __future__ import print_function

from __future__ import absolute_import
from neuroProcesses import *
from brainvisa.tools import aimsGlobals
import string

name = 'Test anatomist API socket implementation'
userLevel = 0

# by default, socket implementation is loaded in brainvisa
from brainvisa import anatomist as pyanatomist
import anatomist.api

signature = Signature(
    'object_to_load', ReadDiskItem(
        "3D Volume", aimsGlobals.anatomistVolumeFormats),
)


def initialization(self):
    pass


def execution(self, context):
    # with attribute create is False, the constructor returns the existing
    # instance of anatomist or None if there isn't one.
    a = pyanatomist.Anatomist(create=False)
    print("anatomist instance:", a)
    a = pyanatomist.Anatomist(create=True)
    print("anatomist instance:", a)
    # register a function to be called when an object is loaded in anatomist
    a.onLoadNotifier.add(display)
    # a.onLoadNotifier.remove(display)
    # a.onCreateWindowNotifier.add(display)
    # a.onDeleteNotifier.add(display)
    # a.onFusionNotifier.add(display)
    # a.onCloseWindowNotifier.add(display)
    # a.onAddObjectNotifier.add(display)
    # a.onRemoveObjectNotifier.add(display)
    # a.onCursorNotifier.add(display)
    obj = a.loadObject(self.object_to_load)
    w = a.createWindow('Axial')
    a.addObjects([obj], [w])
    ref = obj.referential
    context.write("referential of object :", ref.refUuid)
    return [obj, w, ref]


def display(event, params):
    print("** Event ** ", event, params)