# -*- coding: utf-8 -*-
from django import forms
from models import Settings
from settings import LANGUAGES
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
        obj = Settings.objects.get(key='hall_template')
        if len(LANGUAGES) in range(10):
            for lid, (code, name) in enumerate(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['hall_capacity_tmpl_%s' % code] = forms.CharField(label=getattr(obj, 'name'), initial=obj.get_value(code),
                                                               required=required,widget=forms.TextInput(attrs={'style':'width: 550px'}))
    def save(self):
        """
        changes Settings model
        """
        data = self.cleaned_data
        capacity_tmpl = Settings.objects.get(key='hall_template')
        for code, name in LANGUAGES:
            capacity_tmpl.set_value(data['hall_capacity_tmpl_%s'%code], code)