#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2010  Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# See the file COPYING for details.

"""
Models description
"""

from django.utils.translation import ugettext_lazy as _

from django.contrib.auth.models import User, UserManager
from django.contrib.gis.db import models
from django.contrib import admin

from simple_history.models import HistoricalRecords

from ishtar import settings

class GeneralType(models.Model):
    """
    Abstract class for "types"
    """
    label = models.CharField(_(u"Label"), max_length=30)
    comment = models.TextField(_(u"Comment"))

    class Meta:
        abstract = True

    def __unicode__(self):
        return self.label

class Departement(models.Model):
    label = models.CharField(_(u"Label"), max_length=30)
    number = models.IntegerField(_(u"Number"))

    class Meta:
        verbose_name = _(u"Departement")
        verbose_name_plural = _(u"Departements")

    def __unicode__(self):
        return unicode(self.number) + u" - " + self.label

class Address(models.Model):
    address = models.TextField(_(u"Address"))
    address_complement = models.TextField(_(u"Address complement"))
    postal_code = models.CharField(_(u"Postal code"), max_length=10)
    town = models.CharField(_(u"Town"), max_length=30)
    country = models.CharField(_(u"Country"), max_length=30)
    phone = models.CharField(_(u"Phone"), max_length=18)
    mobile_phone = models.CharField(_(u"Mobile phone"), max_length=18)

    class Meta:
        abstract = True

class OrganizationType(GeneralType):
    class Meta:
        verbose_name = _(u"Organization type")
        verbose_name_plural = _(u"Organization types")

class Organization(models.Model):
    name = models.CharField(_(u"Name"), max_length=60)
    person_type = models.ForeignKey(OrganizationType, verbose_name=_(u"Type"))
    class Meta:
        verbose_name = _(u"Organization")
        verbose_name_plural = _(u"Organizations")

class PersonType(GeneralType):
    class Meta:
        verbose_name = _(u"Person type")
        verbose_name_plural = _(u"Person types")

class Person(Address) :
    TYPE = (('Mr', _(u'Mr')),
            ('Ms', _(u'Miss')),
            ('Md', _(u'Mrs')),
            ('Dr', _(u'Doctor')),
            )
    title = models.CharField(_(u"Title"), max_length=1, choices=TYPE)
    surname = models.CharField(_(u"Surname"), max_length=20)
    name = models.CharField(_(u"Name"), max_length=30)
    email = models.CharField(_(u"Email"), max_length=40)
    person_type = models.ForeignKey(PersonType, verbose_name=_(u"Type"))
    attached_to = models.ForeignKey('Organization',
                                    verbose_name=_(u"Is attached to"))
    is_author = models.BooleanField(_(u"Is an author?"))
    in_charge_storage = models.BooleanField(_(u"In charge of a storage?"))

    class Meta:
        verbose_name = _(u"Person")
        verbose_name_plural = _(u"Persons")

    def __unicode__(self):
        return u"%s %s" % (self.name, self.surname)

class IshtarUser(models.Model):
    user = models.ForeignKey(User, unique=True, related_name='profile',
                             verbose_name=_(u"User"))
    person = models.ForeignKey(Person, verbose_name=_(u"Person"))

    class Meta:
        verbose_name = _(u"Ishtar user")
        verbose_name_plural = _(u"Ishtar users")


class FileType(GeneralType):
    class Meta:
        verbose_name = _(u"Archaeological file type")
        verbose_name_plural = _(u"Archaeological file types")

class File(models.Model) :
    year = models.IntegerField(_(u"Year"))
    number = models.IntegerField(_(u"Number"))
    is_active = models.BooleanField(_(u"Is active?"))
    reception_date = models.DateField(_(u'Reception date'))
    file_type = models.ForeignKey(FileType, verbose_name=_(u"File type"))
    general_contractor = models.ForeignKey(Organization, related_name='+',
                                           verbose_name=(u"General contractor"))
    last_modifier = models.ForeignKey(Person, related_name='+',
                                      verbose_name=(u"Last modifier"))
    towns = models.ManyToManyField("Town")
    if settings.COUNTRY == 'fr':
        ar_date = models.DateField(u"Date d'envoi du courrier \
avec accusé réception")
        ar_signed_by = models.ForeignKey(Person, related_name='+',
                         verbose_name=u"Signature de l'accusé de réception par")
    history = HistoricalRecords()

    class Meta:
        verbose_name = _(u"Archaeological file")
        verbose_name_plural = _(u"Archaeological files")

    def __unicode__(self):
      return u"%d - %d" % (self.year, self.number)


class OperationType(GeneralType):
    class Meta:
        verbose_name = _(u"Operation type")
        verbose_name_plural = _(u"Operation types")

class Operation(models.Model):
    name = models.CharField(_(u"Name"), max_length=120)
    start_date = models.DateField(_(u"Start date"))
    end_date = models.DateField(_(u"End date"))
    in_charge = models.ForeignKey('Person', related_name='+',
                                  verbose_name=_(u"In charge"))
    operation_code = models.CharField(_(u"Operation code"), max_length=20)
    associated_file = models.ForeignKey(File, related_name='+',
                                        verbose_name=_(u"File"))
    operation_type = models.ForeignKey(OperationType, related_name='+',
                                       verbose_name=_(u"Operation type"))
    towns = models.ManyToManyField("Town")
    if settings.COUNTRY == 'fr':
        code_patriarche = models.IntegerField(u"Code PATRIARCHE")
        code_pat = models.CharField(u"Code PAT", max_length=10)
        code_dracar = models.CharField(u"Code DRACAR", max_length=10)

    class Meta:
        verbose_name = _(u"Operation")
        verbose_name_plural = _(u"Operations")

    def __unicode__(self):
        return self.name


class Parcel(models.Model) :
    operation = models.ForeignKey(Operation, related_name='+',
                                  verbose_name=_(u"Operation"))
    section = models.CharField(_(u"Section"), max_length=4)
    parcel_number = models.CharField(_(u"Parcel number"), max_length=6)

    class Meta:
        verbose_name = _(u"Parcel")
        verbose_name_plural = _(u"Parcels")

    def __unicode__(self):
        return u" - ".join([unicode(item) for item in \
                            [self.operation, self.section, self.parcel_number]])

class Period(GeneralType) :
    order = models.IntegerField(_(u"Order"))
    start_date = models.IntegerField(_(u"Start date"))
    end_date = models.IntegerField(_(u"End date"))
    parent = models.ForeignKey("Period", verbose_name=_(u"Parent period"))

    class Meta:
        verbose_name = _(u"Period")
        verbose_name_plural = _(u"Periods")

    def __unicode__(self):
        return self.label

class DatingType(GeneralType):
    class Meta:
        verbose_name = _(u"Dating type")
        verbose_name_plural = _(u"Dating types")

class DatingQuality(GeneralType):
    class Meta:
        verbose_name = _(u"Dating quality")
        verbose_name_plural = _(u"Dating qualities")

class Dating(models.Model):
    period = models.ForeignKey(Period, verbose_name=_(u"Period"))
    start_date = models.IntegerField(_(u"Start date"))
    end_date = models.IntegerField(_(u"End date"))
    dating_type = models.ForeignKey(DatingType, verbose_name=_(u"Dating type"))
    quality = models.ForeignKey(DatingQuality, verbose_name=_(u"Quality"))

    class Meta:
        verbose_name = _(u"Dating")
        verbose_name_plural = _(u"Datings")

class RegistrationUnit(models.Model):
    parcel = models.ForeignKey(Parcel, verbose_name=_(u"Parcel"))
    #operation = models.ForeignKey(Operation, verbose_name=_(u"Operation")) ????
    label = models.CharField(_(u"Label"), max_length=200)
    description = models.TextField(_("Description"))
    lenght = models.IntegerField(_(u"Lenght"))
    width = models.IntegerField(_(u"Width"))
    thickness = models.IntegerField(_(u"Thickness"))
    depth = models.IntegerField(_(u"Depth"))
    has_furniture = models.BooleanField(u"Has furniture?")
    interpretation = models.TextField(_(u"Interpretation"))
    filling = models.TextField(_(u"Filling"))
    datings = models.ManyToManyField(Dating) # dans Item ???

    class Meta:
        verbose_name = _(u"Registration Unit")
        verbose_name_plural = _(u"Registration Units")

    def __unicode__(self):
        return u"%s - %s" % (self.parcel, self.label)

class SourceType(GeneralType):
    class Meta:
        verbose_name = _(u"Source type")
        verbose_name_plural = _(u"Source types")

class Source(models.Model) :
    title = models.CharField(_(u"Title"), max_length=200)
    source_type = models.ForeignKey(SourceType, verbose_name=_(u"Type"))

    class Meta:
        verbose_name = _(u"Source")
        verbose_name_plural = _(u"Sources")

    def __unicode__(self):
        return self.title

class MaterialType(GeneralType):
    recommendation = models.TextField(_(u"Recommendation"))

    class Meta:
        verbose_name = _(u"Material type")
        verbose_name_plural = _(u"Material types")

class BaseItem(models.Model):
    label = models.CharField(_(u"Label"), max_length=60)
    description = models.TextField(_(u"Description"))
    registration_unit = models.ForeignKey(RegistrationUnit,
                            verbose_name=_(u"Registration Unit"))
    is_isolated = models.BooleanField(_(u"Is isolated?"))
    documentations = models.ManyToManyField(Source)

    class Meta:
        verbose_name = _(u"Base item")
        verbose_name_plural = _(u"Base items")

    def __unicode__(self):
        return self.label

class Item(models.Model):
    base_items = models.ManyToManyField(BaseItem, verbose_name=_(u"Base item"))
    order = models.IntegerField(_(u"Order"))
    label = models.CharField(_(u"Label"), max_length=60)
    description = models.TextField(_(u"Description"))
    material_type = models.ForeignKey(MaterialType,
                              verbose_name = _(u"Material type"))
    volume = models.FloatField(_(u"Volume"))
    weight = models.IntegerField(_(u"Weight"))
    item_number = models.IntegerField(_("Item number"))
    upstream_treatment = models.ForeignKey("Treatment",
      related_name='downstream_treatment', verbose_name=_("Upstream treatment"))
    downstream_treatment = models.ForeignKey("Treatment",
      related_name='upstream_treatment', verbose_name=_("Downstream treatment"))
    dating = models.ForeignKey(Dating, verbose_name=_(u"Dating"))

    class Meta:
        verbose_name = _(u"Item")
        verbose_name_plural = _(u"Items")

    def __unicode__(self):
        return self.label

class ParcelOwner(models.Model):
    owner = models.ForeignKey(Person, verbose_name=_(u"Owner"))
    parcel = models.ForeignKey(Parcel, verbose_name=_(u"Parcel"))
    start_date = models.DateField(_(u"Start date"))
    end_date = models.DateField(_(u"End date"))

    class Meta:
        verbose_name = _(u"Parcel owner")
        verbose_name_plural = _(u"Parcel owners")

    def __unicode__(self):
        return self.owner + u" - " + self.parcel

class WarehouseType(GeneralType):
    class Meta:
        verbose_name = _(u"Warehouse type")
        verbose_name_plural = _(u"Warehouse types")

class Warehouse(Address):
    name = models.CharField(_(u"Name"), max_length=40)
    warehouse_type = models.ForeignKey(WarehouseType,
                                       verbose_name=_(u"Warehouse type"))
    person_in_charge = models.ForeignKey(Person,
                                         verbose_name=_(u"Person in charge"))
    comment = models.TextField(_(u"Comment"))

    class Meta:
        verbose_name = _(u"Warehouse")
        verbose_name_plural = _(u"Warehouses")

    def __unicode__(self):
        return self.warehouse_type

class ActType(GeneralType):
    class Meta:
        verbose_name = _(u"Act type")
        verbose_name_plural = _(u"Act types")

class AdministrativeAct(models.Model):
    operation = models.ForeignKey(Operation, related_name='+',
                                  verbose_name=_(u"Operation"))
    signature_date = models.DateField(_(u"Signature date"))
    act_object = models.CharField(_(u"Object"), max_length=200)
    act_type = models.ForeignKey(ActType, verbose_name=_(u"Act type"))
    person = models.ForeignKey(Person, verbose_name=_(u"Person"))
    if settings.COUNTRY == 'fr':
        ref_sra = models.CharField(u"Référence SRA", max_length=15)

    class Meta:
        verbose_name = _(u"Administrative act")
        verbose_name_plural = _(u"Administrative acts")

    def __unicode__(self):
        return self.operation + u" - " + self.fact_object

class ContainerType(GeneralType):
    lenght = models.IntegerField(_(u"Lenght"))
    width = models.IntegerField(_(u"Width"))
    height = models.IntegerField(_(u"Height"))
    volume = models.IntegerField(_(u"Volume"))
    reference = models.CharField(_(u"Reference"), max_length=15)

    class Meta:
        verbose_name = _(u"Container type")
        verbose_name_plural = _(u"Container types")

class Container(models.Model):
    reference = models.CharField(_(u"Reference"), max_length=15)
    location = models.ForeignKey(Warehouse, verbose_name=_(u"Location"))
    container_type = models.ForeignKey(ContainerType,
                                       verbose_name=_("Container type"))
    comment = models.TextField(_(u"Comment"))

    class Meta:
        verbose_name = _(u"Container")
        verbose_name_plural = _(u"Containers")

if settings.COUNTRY == 'fr':
    class Arrondissement(models.Model):
        name = models.CharField(u"Nom", max_length=30)
        department = models.ForeignKey(Departement, verbose_name=u"Département")

        def __unicode__(self):
            return self.name

    class Canton(models.Model):
        name = models.CharField(u"Nom", max_length=30)
        arrondissement = models.ForeignKey(Arrondissement,
                                           verbose_name=u"Arrondissement")
        def __unicode__(self):
            return self.name

class Town(models.Model):
    name = models.CharField(_(u"Name"), max_length=100)
    surface = models.IntegerField(_(u"Surface"))
    center = models.PointField(_(u"Localisation"), srid=settings.SRID)
    if settings.COUNTRY == 'fr':
        numero_insee = models.CharField(u"Numéro INSEE", max_length=5)
        canton = models.ForeignKey(Canton, verbose_name=u"Canton")
    objects = models.GeoManager()

    class Meta:
        verbose_name = _(u"Town")
        verbose_name_plural = _(u"Towns")

    def __unicode__(self):
        return self.name

class TreatmentType(GeneralType):
    class Meta:
        verbose_name = _(u"Treatment type")
        verbose_name_plural = _(u"Treatment types")

class Treatment(models.Model):
    container = models.ForeignKey(Container, verbose_name=_(u"Container"))
    treatment_type = models.ForeignKey(TreatmentType,
                                       verbose_name=_(u"Treatment type"))
    location = models.ForeignKey(Warehouse, verbose_name=_(u"Location"))
    person = models.ForeignKey(Person, verbose_name=_(u'Person'))
    start_date = models.DateField(_(u"Start date"))
    end_date = models.DateField(_(u"End date"))

    class Meta:
        verbose_name = _(u"Treatment")
        verbose_name_plural = _(u"Treatments")

    def __unicode__(self):
        return self.item

class AuthorType(GeneralType):
    class Meta:
        verbose_name = _(u"Author type")
        verbose_name_plural = _(u"Author types")

class Author(models.Model):
    person = models.ForeignKey(Person, verbose_name=_(u"Person"))
    source = models.ForeignKey(Source, verbose_name=_(u"Source"))
    author_type = models.ForeignKey(AuthorType, verbose_name=_(u"Author type"))

    class Meta:
        verbose_name = _(u"Author")
        verbose_name_plural = _(u"Authors")

    def __unicode__(self):
        return self.person + u" - " + self.source

class Property(models.Model):
    item = models.ForeignKey(Item, verbose_name=_(u"Item"))
    administrative_act = models.ForeignKey(AdministrativeAct,
                                         verbose_name=_(u"Administrative act"))
    person = models.ForeignKey(Person, verbose_name=_(u"Person"))
    start_date = models.DateField(_(u"Start date"))
    end_date = models.DateField(_(u"End date"))

    class Meta:
        verbose_name = _(u"Property")
        verbose_name_plural = _(u"Properties")

    def __unicode__(self):
        return self.person + u" - " + self.item