# -*- coding: utf-8 -*-2
from django.db import models


class Project(models.Model):
    """ Model representing a citavi project. """
    name = models.CharField(max_length=255)
    description = models.TextField()
    associated_filename = models.CharField(max_length=255, blank=True, null=True)

    def __unicode__(self):
        temp = unicode(self.name)
        if self.associated_filename:
            temp += u" (" + unicode(self.associated_filename) + u")"
        else:
            temp += u" (No project file)"
        return temp

class Presentation(models.Model):
    """ Presention Model for PresentationForm"""
    title = models.CharField(max_length=255, verbose_name='Titel')
    type = models.CharField(max_length=255, choices=((u'main', u'Hauptvortrag'), (u'other', u'andere Veranstaltung')), default=u'main', verbose_name='Veranstaltungstyp')
    abstract = models.TextField(verbose_name=u'Zusammenfassung')

    def __unicode__(self):
        return self.title

class PresentationSubmission(models.Model):
    """ Submission containing a Presentation """
    email = models.EmailField(max_length=255, verbose_name='E-Mail Adresse')
    comment = models.TextField(verbose_name=u'Kommentar')
    presentation = models.ForeignKey(Presentation, blank=False, null=False, db_index=True)

    def __unicode__(self):
        return self.email


class PresentationEvent(models.Model):
    """Veranstaltung"""
    date = models.DateField(verbose_name='Veranstaltungsdatum')
    name = models.CharField(max_length=255, verbose_name='Name')
    workshop = models.BooleanField(verbose_name='Workshop')
    place = models.CharField(max_length=255, verbose_name='Ort')
    start_date = models.DateField(verbose_name='Startdatum')
    end_date = models.DateField(verbose_name='Enddatum')
    presentation = models.ForeignKey(Presentation, blank=False, null=False, db_index=True)

    def __unicode__(self):
        return self.name

class PresentationPerson(models.Model):
    """ Person Model for PresentationForm"""
    given_name = models.CharField(max_length=255, verbose_name='Vorname')
    additional_name = models.CharField(max_length=255, verbose_name='Namenszusatz', blank=True)
    family_name = models.CharField(max_length=255, verbose_name='Nachname')
    hshmembership = models.CharField(max_length=255, choices=((u'yes', u'Ja'), (u'no', u'Nein'), (u'maybe', u'Maybe')), default=u'maybe', verbose_name='Hochschulangehörigkeit')
    presentation = models.ForeignKey(Presentation, blank=False, null=False, db_index=True)

    def __unicode__(self):
        return self.given_name + ' ' + self.family_name


class PersonGlobalIdentity(models.Model):
    """ Model representing a global person identity in django. Can be used to link any foreign identity to it. """
    type = models.CharField(max_length=255)
    # TODO: Extend this for further stuff - maybe vivo external  url or something?

    def __unicode__(self):
        from service.Mapper import person_mapper
        return person_mapper.get_representation_for_global_identity(self) + u" [" u"ID=" + unicode(self.id) + u", Type=" + unicode(self.type) + u"]"


class CitaviProjectIdentity(models.Model):
    """ Model representing an identity from a citavi project. """
    global_identity = models.ForeignKey(PersonGlobalIdentity, blank=True, null=True, db_index=True)
    project = models.ForeignKey(Project, blank=False, null=False, db_index=True)
    citavi_uuid = models.CharField(max_length=255, blank=False, null=False, db_index=True)
    preferred = models.BooleanField()

    def __unicode__(self):
        from service.Mapper import person_mapper
        citavi_repr = person_mapper.get_representation_for_citavi_identity(self)
        if self.preferred == True:
            citavi_repr = citavi_repr + u" <preferred>"
        return citavi_repr

#  TODO: Figure out how to realize this step by step. PROPERLY!

class HSHIdentity(models.Model):
    """ Model representing existing HSH identities. """
    global_identity = models.ForeignKey(PersonGlobalIdentity, blank=True, null=True, db_index=True)
    preferred = models.BooleanField()


class VIVOIdentity(models.Model):
    """ Model representing existing VIVO identities. """
    global_identity = models.ForeignKey(PersonGlobalIdentity, blank=True, null=True, db_index=True)
    preferred = models.BooleanField()