from django.conf import settings
from django.forms import ModelForm, ChoiceField, RadioSelect, BooleanField
from django.contrib.admin.widgets import AdminDateWidget
from django.forms.renderers import DjangoTemplates
from django.utils.html import format_html
from django.utils.safestring import mark_safe

from .models import (
    TYPE_CHOICES,
    Project,
    ConcreteVolunteer,
    ConcreteExtern,
    IFG,
    Library,
    ELiterature,
    Software,
    HonoraryCertificate,
    Travel,
    Email,
    Literature,
    List,
    BusinessCard,
)


class TableFormRenderer(DjangoTemplates):
    form_template_name = 'django/forms/table.html'


class FdbForm(ModelForm):
    '''this base class provides the required css class for all forms'''
    required_css_class = 'required'


class ProjectForm(FdbForm):

    # start = DateField(widget=AdminDateWidget())

    class Meta:
        model = Project
        exclude = ('pid', 'project_of_year', 'finance_id','granted', 'granted_date', 'realname', 'email',\
                   'end_mail_send', 'status', 'persons', 'survey_mail_date', 'mail_state')
        widgets = {'start': AdminDateWidget(),
                   'end': AdminDateWidget(),}

    class Media:
        js = ('dropdown/js/otrs_link.js',)


class ExternForm(FdbForm):

    choice = ChoiceField(choices=TYPE_CHOICES.items(), widget=RadioSelect,
                         label='Was möchtest Du beantragen?')

    check = BooleanField(required=True,
                         label=format_html("Ich stimme den <a href='{}' target='_blank' rel='noopener'>Datenschutzbestimmungen</a> und der<br> <a href='{}' target='_blank' rel='noopener'>Richtlinie zur Förderung der Communitys</a> zu",
                         settings.DATAPROTECTION, settings.FOERDERRICHTLINIEN))

    class Meta:
        model = ConcreteExtern
        exclude = ('username', 'granted', 'granted_date', 'survey_mail_send', 'service_id', 'survey_mail_date', 'mail_state')


INTERN_CHOICES = {'PRO': 'Projektsteckbrief',
                  'HON': 'Ehrenamtsbescheinigung, Akkreditierung oder Redaktionsbestätigung',
                  'TRAV': 'Reisekostenerstattung'}

class InternForm(FdbForm):
    choice = ChoiceField(choices = INTERN_CHOICES.items(), widget=RadioSelect,
                         label = 'Was möchtest Du eingeben?')

    class Meta:
        model = ConcreteVolunteer
        exclude = ('granted', 'granted_date', 'survey_mail_send', 'survey_mail_date', 'mail_state')


HOTEL_CHOICES = {'TRUE': mark_safe('Hotelzimmer benötigt'),
           'FALSE': mark_safe('Kein Hotelzimmer benötigt')
        }


class TravelForm(FdbForm):
    # TODO: add some javascript to show/hide other-field

    # this is the code, to change required to false if needed
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields['project_name'].required = True
        self.fields['transport'].required = True
        self.fields['travelcost'].required = True
        self.fields['checkin'].required = True
        self.fields['checkout'].required = True
        self.fields['hotel'].required = True

    class Meta:
        model = Travel
        exclude = ('granted', 'granted_date', 'survey_mail_send', 'realname', 'email', 'survey_mail_date', 'project', 'request_url', 'payed_for_hotel_by', 'payed_for_travel_by', 'intern_notes', 'mail_state' )
        widgets = {'checkin': AdminDateWidget(),
                   'checkout': AdminDateWidget(),}
        fields = ['project_name', 'transport', 'travelcost', 'checkin', 'checkout', 'hotel', 'notes']
    hotel = ChoiceField(label='Hotelzimmer benötigt:', choices=HOTEL_CHOICES.items(), widget=RadioSelect())

    class Media:
        js = ('dropdown/js/otrs_link.js',)
        css = {
             'all': ('css/dateFieldNoNowShortcutInTravels.css',)
        }


class LibraryForm(FdbForm):

    class Meta:
        model = Library
        fields = ['cost', 'library', 'duration', 'notes', 'survey_mail_send']
        exclude = ['intern_notes', 'survey_mail_send', 'mail_state']

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

        self.fields['library'].label = self._meta.model.LIBRARY_LABEL
        self.fields['library'].help_text = self._meta.model.LIBRARY_HELP_TEXT
        self.fields['duration'].help_text = self._meta.model.DURATION_HELP_TEXT


class ELiteratureForm(LibraryForm):

    class Meta(LibraryForm.Meta):
        model = ELiterature


class SoftwareForm(LibraryForm):

    class Meta(LibraryForm.Meta):
        model = Software


class HonoraryCertificateForm(FdbForm):

    class Meta:
        model = HonoraryCertificate
        fields = ['request_url', 'project']
        exclude = ['intern_notes']
    class Media:
        js = ('dropdown/js/otrs_link.js',)


class IFGForm(FdbForm):
    class Meta:
        model = IFG
        fields = ['cost', 'url', 'notes']
        exclude = ['intern_notes', 'survey_mail_send', 'mail_state']


class CheckForm(FdbForm):
    termstoaccept = settings.NUTZUNGSBEDINGUNGEN

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

        # Check if the model field 'terms_accepted' is present
        if 'terms_accepted' in self.fields:
            # Make the field required (HTML5 validation)
            self.fields['terms_accepted'].required = True
            # Set custom label with link to terms
            self.fields['terms_accepted'].label = format_html(
                "Ich stimme den <a href='{}'>Nutzungsbedingungen</a> zu",
                self.termstoaccept
            )


class LiteratureForm(CheckForm):
    termstoaccept = settings.NUTZUNGSBEDINGUNGEN_LITERATURSTIPENDIUM

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields['selfbuy_give_data'].required = True
    class Meta:
        model = Literature
        fields = ['cost', 'info', 'source', 'notes', 'selfbuy', 'selfbuy_data', 'selfbuy_give_data', 'terms_accepted']
        exclude = ['intern_notes', 'survey_mail_send', 'mail_state']
    class Media:
        js = ('dropdown/js/literature.js',)

ADULT_CHOICES = {'TRUE': mark_safe('Ich bin volljährig.'),
           'FALSE': mark_safe('Ich bin noch nicht volljährig.')
        }


class EmailForm(CheckForm):

    termstoaccept = settings.NUTZUNGSBEDINGUNGEN_EMAIL_SERVICE

    # this is the code, to change required to false if needed
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields['adult'].required = True
        self.fields['other'].required = True

    adult = ChoiceField(label='Volljährigkeit', choices=ADULT_CHOICES.items(), widget=RadioSelect())



    # TODO: add some javascript to show/hide other-field
    class Meta:
        model = Email
        fields = ['domain', 'address', 'other', 'adult', 'terms_accepted']
        exclude = ['intern_notes', 'survey_mail_send', 'mail_state']
    class Media:
        js = ('dropdown/js/mail.js',)



class BusinessCardForm(CheckForm):
    termstoaccept = settings.NUTZUNGSBEDINGUNGEN_VISITENKARTEN
    # this is the code, to change required to false if needed
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields['url_of_pic'].required = True
        self.fields['send_data_to_print'].required = True

    class Meta:
        model = BusinessCard
        exclude = ['intern_notes', 'survey_mail_send', 'mail_state']
        fields = ['project', 'data', 'variant', 'url_of_pic', 'send_data_to_print', 'sent_to', 'terms_accepted']
    class Media:
        js = ('dropdown/js/businessCard.js',)


class ListForm(CheckForm):
    termstoaccept = settings.NUTZUNGSBEDINGUNGEN_MAILINGLISTEN
    class Meta:
        model = List
        fields = ['domain', 'address', 'terms_accepted']
        exclude = ['intern_notes', 'survey_mail_send','mail_state']