from django.db import models

from django.contrib.auth.models import User

'''class User(models.Model):

    name = models.CharField(max_length=200)

    password = models.CharField(max_length=200)

    def __unicode__(self):

        return self.name'''

class Image(models.Model):

    url = models.CharField(max_length=200)

    def __unicode__(self):

        return self.url

class Document(models.Model):

    documentId = models.IntegerField(primary_key=True)

    title = models.CharField(max_length=200)

    description = models.CharField(max_length=400)

    image = models.ForeignKey(Image)

    date= models.DateTimeField()

    def __unicode__(self):

        return str(self.documentId)

class Documentaryfile(models.Model):

    title = models.CharField(max_length=200)

    date = models.DateTimeField()

    description = models.CharField(max_length=400)

    visibility = models.BooleanField(default=False)

    list_concepts = models.TextField()

    concepts_with_detailed_documents_list = models.TextField()

    image = models.ForeignKey(Image)

    user = models.ForeignKey(User)

    def __unicode__(self):

        return str(self.id)

class Annotationdocument(models.Model):

    description = models.CharField(max_length=200)

    user = models.ForeignKey(User)

    document = models.ForeignKey(Document)

    visibility = models.BooleanField()

    annoted_text = models.CharField(max_length=200,blank=True,null=True)

    annoted_text_page = models.IntegerField(blank=True,null=True)

    annoted_text_offset = models.IntegerField(blank=True,null=True)

    documentaryfile =  models.ForeignKey(Documentaryfile)   

    def __unicode__(self):

        return self.description

class AnnotationDocumentaryFile(models.Model):

    description = models.CharField(max_length=200)

    user = models.ForeignKey(User)

    documentaryFile = models.ForeignKey(Documentaryfile)

    def __unicode__(self):

        return self.description

class Cluster(models.Model):

    title = models.CharField(max_length=200)

    description = models.CharField(max_length=400)

    weight = models.FloatField()

    document = models.ManyToManyField(Document, through="Clusterdocumentweight")

    documentaryfile = models.ForeignKey(Documentaryfile)

    image = models.ForeignKey(Image)

    def __unicode__(self):

        return str(self.id)

class Annotationcluster(models.Model):

    description = models.CharField(max_length=200)

    user = models.ForeignKey(User)

    cluster = models.OneToOneField(Cluster)

    def __unicode__(self):

        return self.description

class Clusterdocumentweight(models.Model):

    document = models.ForeignKey(Document)

    cluster = models.ForeignKey(Cluster)

    weight = models.FloatField()

    # Le couple cluster/document est unique

    class Meta:

        unique_together = ( 'cluster', 'document' )   

class Tag(models.Model):

    value = models.CharField(max_length=50)

    cluster = models.ForeignKey(Cluster,blank=True,null=True)

    annotationcluster = models.ForeignKey(Annotationcluster,blank=True,null=True)

    annotationdocument = models.ForeignKey(Annotationdocument,blank=True,null=True)

    annotationDocumentaryFile = models.ForeignKey(AnnotationDocumentaryFile,blank=True,null=True)

    document = models.ForeignKey(Document,blank=True,null=True)

    def __unicode__(self):

        return self.value