from django import forms
from django.contrib.auth.models import User
from django.forms import modelformset_factory
from kfet.models import Account, Checkout, Article, OperationGroup, Operation
from gestioncof.models import CofProfile

# -----
# Widgets
# -----

class DateTimeWidget(forms.DateTimeInput):
    def __init__(self, attrs = None):
        super(DateTimeWidget, self).__init__(attrs)
        self.attrs['format'] = '%Y-%m-%d %H:%M'
    class Media:
        css = {
                'all': ('bootstrap-datetimepicker.min.css',)
            }
        js  = (
                'moment.js',
                'moment-fr.js',
                'bootstrap-datetimepicker.min.js',
            )
# -----
# Account forms
# -----

class AccountForm(forms.ModelForm):

    # Surcharge pour passer data à Account.save()
    def save(self, data = {}, *args, **kwargs):
        obj = super(AccountForm, self).save(commit = False, *args, **kwargs)
        obj.save(data = data)
        return obj

    class Meta:
        model  = Account
        fields = ['trigramme', 'promo', 'nickname']
        widgets = {
            'trigramme': forms.TextInput(attrs={'autocomplete': 'off'}),
        }

class AccountTriForm(AccountForm):
    class Meta(AccountForm.Meta):
        fields = ['trigramme']

class AccountNoTriForm(AccountForm):
    class Meta(AccountForm.Meta):
        exclude = ['trigramme']

class AccountRestrictForm(AccountForm):
    class Meta(AccountForm.Meta):
        fields = ['promo']

class CofForm(forms.ModelForm):
    def clean_is_cof(self):
        instance = getattr(self, 'instance', None)
        if instance and instance.pk:
            return instance.is_cof
        else:
            return False
    class Meta:
        model  = CofProfile
        fields = ['login_clipper', 'is_cof', 'departement']

class CofRestrictForm(CofForm):
    class Meta(CofForm.Meta):
        fields = ['departement']

class UserForm(forms.ModelForm):
    class Meta:
        model  = User
        fields = ['username', 'first_name', 'last_name', 'email']
        help_texts = {
            'username': ''
        }

class UserRestrictForm(UserForm):
    class Meta(UserForm.Meta):
        fields = ['first_name', 'last_name', 'email']

# -----
# Checkout forms
# -----

class CheckoutForm(forms.ModelForm):
    class Meta:
        model   = Checkout
        fields  = ['name', 'valid_from', 'valid_to', 'balance', 'is_protected']
        widgets = {
            'valid_from': DateTimeWidget(),
            'valid_to'  : DateTimeWidget(),
        }

class CheckoutRestrictForm(CheckoutForm):
    class Meta(CheckoutForm.Meta):
        fields = ['name', 'valid_from', 'valid_to']

# -----
# Article forms
# -----

class ArticleForm(forms.ModelForm):
    class Meta:
        model  = Article
        fields = ['name', 'is_sold', 'price', 'stock', 'category']

class ArticleRestrictForm(ArticleForm):
    class Meta(ArticleForm.Meta):
        fields = ['name', 'is_sold', 'price', 'category']

# -----
# K-Psul forms
# -----

class KPsulOperationGroupForm(forms.ModelForm):
    class Meta:
        model  = OperationGroup
        fields = ['on_acc', 'checkout']
        widgets = {
            'on_acc'  : forms.HiddenInput(),
            'checkout': forms.HiddenInput(),
        }

class KPsulAccountForm(forms.ModelForm):
    class Meta:
        model   = Account
        fields  = ['trigramme']
        widgets = {
            'trigramme': forms.TextInput(attrs={'autocomplete': 'off'}),
        }

class KPsulCheckoutForm(forms.Form):
    checkout = forms.ModelChoiceField(
            queryset=Checkout.objects.filter(is_protected=False),
            widget=forms.Select(attrs={'id':'id_checkout_select'}))

class KPsulOperationForm(forms.ModelForm):
    class Meta:
        model  = Operation
        fields = ['type', 'amount', 'is_checkout', 'article', 'article_nb']

KPsulOperationFormSet = modelformset_factory(
        Operation,
        form  = KPsulOperationForm,
        extra = 0,
        min_num = 1, validate_min = True)