from django.db import models
from django.utils.translation import ugettext_lazy as _

from modelcluster.models import ClusterableModel, ParentalKey
from wagtail.wagtailadmin.edit_handlers import FieldPanel, InlinePanel
from wagtail.wagtailcore.fields import RichTextField
from wagtail.wagtailcore.models import Orderable, Page
from wagtail.wagtailimages.edit_handlers import ImageChooserPanel
from wagtail.wagtailsnippets.edit_handlers import SnippetChooserPanel
from wagtail.wagtailsnippets.models import register_snippet

from kfet.cms.context_processors import get_articles


class KFetPage(Page):
    no_header = models.BooleanField(
        verbose_name=_('Sans en-tête'),
        default=False,
        help_text=_(
            "Coché, l'en-tête (avec le titre) de la page n'est pas affiché."
        ),
    )
    content = RichTextField(verbose_name=_('Contenu'))
    custom_template = models.CharField(
        verbose_name=_('Template personnalisé'),
        max_length=255,
        blank=True,
    )

    content_panels = Page.content_panels + [
        FieldPanel('no_header'),
        FieldPanel('content', classname='full'),
        InlinePanel('team_groups', label=_("Groupes de K-Fêt-eux-ses")),
    ]

    settings_panels = Page.settings_panels + [
        FieldPanel('custom_template'),
    ]

    class Meta:
        verbose_name = _('page K-Fêt')
        verbose_name_plural = _('pages K-Fêt')

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.template = "kfetcms/base.html"

    def get_context(self, request, *args, **kwargs):
        context = super().get_context(request, *args, **kwargs)

        page = context['page']

        if not page.seo_title:
            page.seo_title = page.title

        if self.slug == "carte":
            context.update(get_articles(request))

        return context

    def get_template(self, request, *args, **kwargs):
        return self.custom_template or (
            super().get_template(request, *args, **kwargs))


class KFetPageGroupTeam(Orderable, models.Model):
    page = ParentalKey(KFetPage, related_name='team_groups')
    group = models.ForeignKey(
        'kfetcms.GroupTeam',
        verbose_name=_('Groupe de K-Fêt-eux-ses'),
        related_name='+',
    )
    title = models.CharField(
        verbose_name=_('Titre du groupe'),
        max_length=255,
        blank=True,
    )
    content = RichTextField(
        verbose_name=_('Texte de présentation du groupe'),
    )
    show_only = models.IntegerField(
        verbose_name=_('Montrer seulement'),
        blank=True, null=True, default=None,
        help_text=_(
            'Nombre de membres du groupe affichés initialement. Laisser vide '
            'pour tou-te-s les afficher.'
        ),
    )

    panels = [
        FieldPanel('title', classname='full'),
        FieldPanel('show_only', classname='full'),
        FieldPanel('content', classname='full'),
        SnippetChooserPanel('group'),
    ]


@register_snippet
class GroupTeam(ClusterableModel):
    name = models.CharField(
        verbose_name=_('Nom'),
        max_length=255,
    )

    class Meta:
        verbose_name = _('Groupe de K-Fêt-eux-ses')
        verbose_name_plural = _('Groupes de K-Fêt-eux-ses')

    def __str__(self):
        return self.name

    panels = [
        FieldPanel('name', classname='full'),
        InlinePanel('members', label=_('Membres du groupe')),
    ]


@register_snippet
class MemberTeam(Orderable, models.Model):
    group = ParentalKey(
        GroupTeam,
        verbose_name=_("Groupe de K-Fêt-eux-ses"),
        on_delete=models.CASCADE,
        related_name='members',
    )
    first_name = models.CharField(
        verbose_name=_('Prénom'),
        max_length=255,
        blank=True, default='',
    )
    last_name = models.CharField(
        verbose_name=_('Nom'),
        max_length=255,
        blank=True, default='',
    )
    nick_name = models.CharField(
        verbose_name=_('Alias'),
        max_length=255,
        blank=True, default='',
    )
    photo = models.ForeignKey(
        'wagtailimages.Image',
        verbose_name=_('Photo'),
        on_delete=models.SET_NULL,
        null=True, blank=True,
        related_name='+',
    )

    class Meta:
        verbose_name = _('K-Fêt-eux-se')

    def __str__(self):
        return self.get_full_name()

    panels = [
        FieldPanel('first_name'),
        FieldPanel('last_name'),
        FieldPanel('nick_name'),
        FieldPanel('group'),
        ImageChooserPanel('photo'),
    ]

    def get_full_name(self):
        full_name = '{} {}'.format(self.first_name, self.last_name)
        return full_name.strip()