# -*- coding: utf-8 -*-
#  Copyright (c) 2019-2021 Ivan LUCAS.
#  Noethysweb, application de gestion multi-activités.
#  Distribué sous licence GNU GPL.

from django import forms
from django.forms import ModelForm
from core.forms.base import FormulaireBase
from django.utils.translation import ugettext as _
from crispy_forms.helper import FormHelper
from crispy_forms.layout import Layout, ButtonHolder, Submit, HTML, Row, Column, Fieldset
from crispy_forms.bootstrap import Field, FormActions, PrependedText, StrictButton
from core.utils.utils_commandes import Commandes
from core.widgets import DatePickerWidget
from core.models import Classe, NiveauScolaire
from django_select2.forms import Select2MultipleWidget


class Formulaire(FormulaireBase, ModelForm):
    niveaux = forms.ModelMultipleChoiceField(label="Niveaux scolaires", widget=Select2MultipleWidget({"lang": "fr", "data-width": "100%"}), queryset=NiveauScolaire.objects.all(), required=False)

    class Meta:
        model = Classe
        fields = "__all__"
        widgets = {
            'date_debut': DatePickerWidget(),
            'date_fin': DatePickerWidget(),
        }

    def __init__(self, *args, **kwargs):
        super(Formulaire, self).__init__(*args, **kwargs)
        self.helper = FormHelper()
        self.helper.form_id = 'classes_form'
        self.helper.form_method = 'post'

        self.helper.form_class = 'form-horizontal'
        self.helper.label_class = 'col-md-2'
        self.helper.field_class = 'col-md-10'

        # Récupération de l'école et des dates de la dernière classe saisie
        if self.instance.date_debut == None:
            classe = Classe.objects.last()
            if classe != None:
                self.fields["date_debut"].initial = classe.date_debut
                self.fields["date_fin"].initial = classe.date_fin
                self.fields["ecole"].initial = classe.ecole

        # Affichage
        self.helper.layout = Layout(
            Commandes(annuler_url="{% url 'classes_liste' %}"),
            Fieldset("Identification",
                Field('nom'),
                Field('ecole'),
            ),
            Fieldset("Saison",
                Field('date_debut'),
                Field('date_fin'),
            ),
            Fieldset('Niveaux scolaires',
                Field('niveaux'),
            ),
        )

    def clean_date_fin(self):
        if self.cleaned_data['date_debut'] > self.cleaned_data['date_fin'] :
            raise ValidationError(_("La date de fin doit être supérieure à la date de début."))
        return self.cleaned_data['date_fin']