# -*- coding: utf-8 -*-
from django import forms
from models import Setting
from django.conf import settings
from functions.translate import fill_trans_fields, populate, ZERO_LANGUAGE, populate_all, fill_trans_fields_all


class SettingsForm(forms.Form):
    """
    Create Settings form for creating settings

    __init__ uses for dynamic creates fields

    save function saves data in Settings object. If it doesnt exist create new object
    """

    def __init__(self, *args, **kwargs):
        super(SettingsForm, self).__init__(*args, **kwargs)
        # creates translated form fields, example: name_ru, name_en
        # len(10) is a hack for detect if settings.LANGUAGES is not configured it return all langs
        settings_list = Setting.objects.all()
        for item in settings_list:
            if item.type != 'transl':
                self.fields['%s'%item.key] = forms.CharField(label='%s'%item.key, initial=item.get_value(),
                                                               required=False)
            else:
                if len(settings.LANGUAGES) in range(10):
                    for lid, (code, name) in enumerate(settings.LANGUAGES):
                        # using enumerate for detect iteration number
                        # first iteration is a default lang so it required fields
                        required = True if lid == 0 else False
                        self.fields['%s_%s' %(item.key, code)] = forms.CharField(label=getattr(item, 'key'), initial=item.get_value(code),
                                                                   required=required,widget=forms.TextInput(attrs={'style':'width: 450px'}))


    def save(self):
        """
        changes Settings model
        """
        data = self.cleaned_data
        capacity_tmpl = Setting.objects.get(key='hall_template')
        for code, name in settings.LANGUAGES:
            capacity_tmpl.set_value(data['hall_capacity_tmpl_%s'%code], code)