# -*- coding: utf-8 -*-

from Citavi import ProjectManager
from Django import PersonIdentityManager

class PersonMapper():

    def __init__(self):
        self._citavi_project_manager = ProjectManager()
        self._person_identity_manager = PersonIdentityManager()

    def __del__(self):
        del self._citavi_project_manager
        del self._person_identity_manager

    def get_unmapped_identities(self, project):
        citavi_persons = self._citavi_project_manager.get_persons_from_project(project.id)
        mapped_persons = self._person_identity_manager.get_mapped_identities_for_project(project)

        print "Len citavi persons: " + str(len(citavi_persons))
        print "Len mapped persons: " + str(len(mapped_persons))

        if len(mapped_persons) == 0:
            return citavi_persons

        # Prepare citavi_persons into a uuid->person dict, then eliminate mapped ones. This is ugly and a little slow.
        citavi_uuid_dict = {}
        for person in citavi_persons:
            citavi_uuid_dict[person.ID] = person

        print len(citavi_uuid_dict)

        for person in mapped_persons:
            if person.citavi_uuid in citavi_uuid_dict:
#                print "Match for: " + str(person.id) + " - uuid: " + str(person.citavi_uuid)
                del citavi_uuid_dict[person.citavi_uuid]

        print len(citavi_uuid_dict)

        return citavi_uuid_dict

    def create_new_identity(self, project, person):
        self._person_identity_manager.create_identity(project, person.ID)

def test():
    from frontend.models import Project
    project = Project.objects.get(id=1)
    p = PersonMapper()
    unmapped = p.get_unmapped_identities(project)
    print unmapped
#    for person in unmapped:
#        p.create_new_identity(project, person)