from django import forms
from django.forms import ModelForm
import itertools

from .models import User, ContractorFinancialInfo
from common.models import Location
from projects.models import Project, BuildingClassfication, ConstructionType
from specializations.models import Specialization


class UserEditForm(ModelForm):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        if kwargs.get('instance'):
            if kwargs.get('instance').is_contractor():
                self.fields['contractor_specializations'].queryset = kwargs.get('instance').contractor_specializations.all()

    class Meta:
        model = User
        
        fields = (
            'first_name',
            'last_name',
            'patronym',
            'location',
            'date_of_birth',
            'website',
            'skype',
            'avatar',
            'contractor_specializations',
            'cro',
            'phone',
            'gender',
        )

        widgets = {
            'date_of_birth': forms.SelectDateWidget(years=range(1940, 2015)),
            # 'contractor_specializations': forms.Select(),
        }


class ContractorFilterForm(forms.Form):
    CONTRACTOR_ORDER_CHOICES = (
        ('', 'Сортировать по...'),
        ('name', 'Названию'),
        ('created', 'Дате размещения'),
        ('views', 'Просмотрам'),
        ('reviews', 'Отзывам'),
        ('rating', 'Рейтингу'),
        # ('project_number', 'Кол-ву выполн. проектов'),
    )
    
    PARTY_TYPES = (
        ('all', 'Все'),
        ('teams', 'Группы'),
        ('contractors', 'Исполнители'),
    )
    
    order_by = forms.ChoiceField(required=False, choices=CONTRACTOR_ORDER_CHOICES)
    last_order_by = forms.ChoiceField(required=False, choices=CONTRACTOR_ORDER_CHOICES)
    reverse_order = forms.BooleanField(required=False)
    
    specialization = forms.ModelChoiceField(
        queryset=Specialization.objects.root_nodes()[0].get_descendants(),
        # queryset=Specialization.objects, # Migrate with this enabled
        required=False,
    )
    
    location = forms.ModelChoiceField(
        queryset=Location.objects.root_nodes()[0].get_descendants(),
        # queryset=Location.objects, # Migrate with this enabled
        required=False,
    )
    
    building_classification = forms.ModelChoiceField(
        queryset=BuildingClassfication.objects,
        widget=forms.Select(attrs={'class': 'selectpicker'}),
        required=False,
        empty_label='',
    )
    
    work_type = forms.ChoiceField(
        choices=tuple(itertools.chain((('',''),), Project.WORK_TYPES)),
        widget=forms.Select(attrs={'class': 'selectpicker'}),
        required=False,
    )
    
    construction_type = forms.ModelChoiceField(
        queryset=ConstructionType.objects,
        widget=forms.Select(attrs={'class': 'selectpicker'}),
        required=False,
        empty_label='',
    )
    
    cro = forms.BooleanField(required=False)
    
    party_types = forms.ChoiceField(
        choices=PARTY_TYPES,
        required=False,
    )
    
    last_party_types = forms.ChoiceField(
        choices=PARTY_TYPES,
        required=False,
    )
    
    def __init__(self, *args, **kwargs):
        self.request = kwargs.pop('request')
        super().__init__(*args, **kwargs)


class ContractorFinancicalInfoForm(ModelForm):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields['residency'].choices = self.fields['residency'].choices[1:]
        self.fields['legal_status'].choices = self.fields['legal_status'].choices[1:]

        # self.fields['residency'].empty_label = None
        # self.fields['residency'].widget.choices = self.fields['residency'].choices

    class Meta:
        model = ContractorFinancialInfo
        
        fields = (
            'fio',
            'date_of_birth',
            'phone',
            'residency',
            'legal_status',
            'passport_series',
            'passport_number',
            'subdivision_code',
            'passport_issued_by',
            'passport_issue_date',
            'inn',
            'yandex_money',
            'credit_card_number',
            'passport_scan',
        )

        widgets = {
            'residency': forms.RadioSelect(),
            'legal_status': forms.RadioSelect(),
        }