from django.db import models
from BaseModels.base_models import *
from django.utils.translation import gettext_lazy as _
from GeneralApp.models import Block_Abstract
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes.fields import GenericForeignKey
from django.contrib.contenttypes.fields import GenericRelation
from django.core.validators import validate_image_file_extension

class BlockPluginPresentation(Block_Abstract):
    from BaseModels.base_models import Manager_Enabled
    objects = models.Manager()
    enabled_objs = Manager_Enabled()

    content_type = models.ForeignKey(ContentType, on_delete=models.SET_NULL, null=True)
    object_id = models.PositiveIntegerField()
    content_object = GenericForeignKey('content_type', 'object_id')

    pre_title = models.CharField(max_length=250, verbose_name=_('Текст перед заголовком'), null=True, blank=True)

    but1_title = models.CharField(max_length=100, verbose_name=_('Текст на кнопке 1'), null=True, blank=True)
    but2_title = models.CharField(max_length=100, verbose_name=_('Текст на кнопке 2'), null=True, blank=True)

    but1_url = models.TextField(verbose_name=_('URL привязанной страницы к кнопке 1'), null=True, blank=True)
    but2_url = models.TextField(verbose_name=_('URL привязанной страницы к кнопке 2'), null=True, blank=True)

    but1_icon = models.FileField(
        upload_to='uploads/', verbose_name=_('Пиктограмма для кнопки 1'), null=True, blank=True,
        validators=[validate_file_extension]
    )
    but2_icon = models.FileField(
        upload_to='uploads/', verbose_name=_('Пиктограмма для кнопки 2'), null=True, blank=True,
        validators=[validate_file_extension]
    )

    class Meta:
        verbose_name = _('Блок презентации плагина')
        verbose_name_plural = _('Блок презентации плагина')


class Section(BaseModelViewPage):

    plugin_presentation = GenericRelation('ServicesApp.BlockPluginPresentation',
                                          related_query_name='grel_%(class)s_for_block_plugin_presentation')

    class Meta:
        verbose_name = _('Раздел сайта')
        verbose_name_plural = _('Разделы сайта')


class Service(BaseModelViewPage):

    url = models.TextField(verbose_name=_('URL привязанной страницы'), null=True, blank=True)

    section = models.ForeignKey(
        Section, verbose_name=_('Раздел'),
        on_delete=models.SET_NULL, related_name='rel_services_for_section',
        null=True, blank=True
    )
    parent_service = models.ForeignKey(
        'Service', verbose_name=_('Родитель'),
        on_delete=models.SET_NULL, related_name='rel_children_for_service',
        null=True, blank=True
    )



    class Meta:
        verbose_name = _('Услуга')
        verbose_name_plural = _('Услуги')