from django import forms
from django.urls import reverse
from django.http import HttpResponse, HttpResponseRedirect
from .models import Yeast, Propogation, Strain

import logging
logger = logging.getLogger('django')

class DateInput(forms.DateInput):
    input_type = 'date'

class YeastModelForm(forms.ModelForm):
    class Meta:
        model = Yeast
        fields = '__all__'

    def __init__(self, *args, **kwargs):

        forms.ModelForm.__init__(self, *args, **kwargs)

        self.fields['parent'].queryset = Yeast.objects.all()


# creating a form
class BatchAddForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        super(BatchAddForm, self).__init__(*args, **kwargs)
        self.fields['strain'].help_text = '<a href="{}">Add a new strain</a>'.format(reverse('yeast:addstrain'))

    # create meta class
    class Meta:
        # specify model to be used
        model = Propogation
 
        # specify fields to be used
        fields = [
            'production_date',
            'strain',
            'source',
        ]

        widgets = {
            'production_date': DateInput(),
        }

    num_samples = forms.IntegerField()

class StrainAddForm(forms.ModelForm):
 
    # create meta class
    class Meta:
        # specify model to be used
        model = Strain
 
        # specify fields to be used
        fields = [
            'name',
            'long_name',
            'manufacturer',
        ]