# -*- mode: python; coding: utf-8 -*-
# Re2o un logiciel d'administration développé initiallement au rezometz. Il
# se veut agnostique au réseau considéré, de manière à être installable en
# quelques clics.
#
# Copyright © 2017  Gabriel Détraz
# Copyright © 2017  Goulven Kermarec
# Copyright © 2017  Augustin Lemesle
#
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Reglages généraux, machines, utilisateurs, mail, general pour l'application.
"""
from __future__ import unicode_literals
import django.apps
from django.contrib.contenttypes.models import ContentType
from django.core.validators import MaxValueValidator
from django.db import models
from django.utils.functional import cached_property
from django.apps import apps

from cotisations.models import Paiement


class OptionalUser(models.Model):
    """Options pour l'user : obligation ou nom du telephone,
    activation ou non du solde, autorisation du negatif, fingerprint etc"""
    PRETTY_NAME = "Options utilisateur"

    is_tel_mandatory = models.BooleanField(default=True)
    user_solde = models.BooleanField(default=False)
    solde_negatif = models.DecimalField(
        max_digits=5,
        decimal_places=2,
        default=0
    )
    gpg_fingerprint = models.BooleanField(default=True)
    all_can_create = models.BooleanField(
        default=False,
        help_text="Tous les users peuvent en créer d'autres",
    )

    def clean(self):
        """Creation du mode de paiement par solde"""
        if self.user_solde:
            Paiement.objects.get_or_create(moyen="Solde")


class OptionalMachine(models.Model):
    """Options pour les machines : maximum de machines ou d'alias par user
    sans droit, activation de l'ipv6"""
    PRETTY_NAME = "Options machines"

    password_machine = models.BooleanField(default=False)
    max_lambdauser_interfaces = models.IntegerField(default=10)
    max_lambdauser_aliases = models.IntegerField(default=10)
    ipv6 = models.BooleanField(default=False)


class OptionalTopologie(models.Model):
    """Reglages pour la topologie : mode d'accès radius, vlan où placer
    les machines en accept ou reject"""
    PRETTY_NAME = "Options topologie"
    MACHINE = 'MACHINE'
    DEFINED = 'DEFINED'
    CHOICE_RADIUS = (
        (MACHINE, 'Sur le vlan de la plage ip machine'),
        (DEFINED, 'Prédéfini dans "Vlan où placer les machines\
            après acceptation RADIUS"'),
    )

    radius_general_policy = models.CharField(
        max_length=32,
        choices=CHOICE_RADIUS,
        default='DEFINED'
    )
    vlan_decision_ok = models.OneToOneField(
        'machines.Vlan',
        on_delete=models.PROTECT,
        related_name='decision_ok',
        blank=True,
        null=True
    )
    vlan_decision_nok = models.OneToOneField(
        'machines.Vlan',
        on_delete=models.PROTECT,
        related_name='decision_nok',
        blank=True,
        null=True
    )


class GeneralOption(models.Model):
    """Options générales : nombre de resultats par page, nom du site,
    temps où les liens sont valides"""
    PRETTY_NAME = "Options générales"

    search_display_page = models.IntegerField(default=15)
    pagination_number = models.IntegerField(default=25)
    pagination_large_number = models.IntegerField(default=8)
    req_expire_hrs = models.IntegerField(default=48)
    site_name = models.CharField(max_length=32, default="Re2o")
    email_from = models.EmailField(default="www-data@serveur.net")


class Service(models.Model):
    """Liste des services affichés sur la page d'accueil : url, description,
    image et nom"""
    name = models.CharField(max_length=32)
    url = models.URLField()
    description = models.TextField()
    image = models.ImageField(upload_to='logo', blank=True)

    def __str__(self):
        return str(self.name)


class AssoOption(models.Model):
    """Options générales de l'asso : siret, addresse, nom, etc"""
    PRETTY_NAME = "Options de l'association"

    name = models.CharField(
        default="Association réseau école machin",
        max_length=256
    )
    siret = models.CharField(default="00000000000000", max_length=32)
    adresse1 = models.CharField(default="1 Rue de exemple", max_length=128)
    adresse2 = models.CharField(default="94230 Cachan", max_length=128)
    contact = models.EmailField(default="contact@example.org")
    telephone = models.CharField(max_length=15, default="0000000000")
    pseudo = models.CharField(default="Asso", max_length=32)
    utilisateur_asso = models.OneToOneField(
        'users.User',
        on_delete=models.PROTECT,
        blank=True,
        null=True
    )


class MailMessageOption(models.Model):
    """Reglages, mail de bienvenue et autre"""
    PRETTY_NAME = "Options de corps de mail"

    welcome_mail_fr = models.TextField(default="")
    welcome_mail_en = models.TextField(default="")


class Jauge(models.Model):
    """Jauge de contrôle
    Possibilité de classer en pourcentage ou valeur brute /
    croissant ou décroissant
    Exemple : nombre de facture non controlées"""

    DIRECTION_CHOICES = (
        ('croissant', 'croissant'),
        ('decroissant', 'decroissant'),
    )

    objet = models.ForeignKey(ContentType)
    level_value = models.IntegerField(blank=True, null=True)
    level_percentage = models.IntegerField(
        blank=True,
        null=True,
        validators=[MaxValueValidator(100)]
    )
    direction = models.CharField(
        max_length=32,
        choices=DIRECTION_CHOICES,
        default='croissant'
    )
    comment = models.CharField(max_length=255)

    @cached_property
    def jauge_state(self):
        all_object = apps.get_model(self.objet.app_label, self.objet.name).objects.all().count()
        if self.direction == "croissant":
            if self.level_value:
                if all_object > self.level_value:
                    return False
            #if self.level_percentage:
            #    if all_objet
        else:
            if self.level_value:
                if all_object < self.level_value:
                    return False
        return True