# -*- coding: utf-8 -*-

from datetime import timedelta
from custommail.shortcuts import send_mass_custom_mail

from django.contrib import admin
from django.db.models import Sum, Count
from django.template.defaultfilters import pluralize
from django.utils import timezone
from django import forms
from bda.models import Spectacle, Salle, Participant, ChoixSpectacle,\
    Attribution, Tirage, Quote, CategorieSpectacle, SpectacleRevente


class ChoixSpectacleInline(admin.TabularInline):
    model = ChoixSpectacle
    sortable_field_name = "priority"


class AttributionInline(admin.TabularInline):
    model = Attribution
    extra = 0

    def get_queryset(self, request):
        qs = super(AttributionInline, self).get_queryset(request)
        return qs.filter(spectacle__listing=False)


class AttributionInlineListing(admin.TabularInline):
    model = Attribution
    exclude = ('given', )
    extra = 0

    def get_queryset(self, request):
        qs = super(AttributionInlineListing, self).get_queryset(request)
        return qs.filter(spectacle__listing=True)


class ParticipantAdmin(admin.ModelAdmin):
    inlines = [AttributionInline, AttributionInlineListing]

    def get_queryset(self, request):
        return Participant.objects.annotate(nb_places=Count('attributions'),
                                            total=Sum('attributions__price'))

    def nb_places(self, obj):
        return obj.nb_places
    nb_places.admin_order_field = "nb_places"
    nb_places.short_description = "Nombre de places"

    def total(self, obj):
        tot = obj.total
        if tot:
            return "%.02f €" % tot
        else:
            return "0 €"
    total.admin_order_field = "total"
    total.short_description = "Total à payer"
    list_display = ("user", "nb_places", "total", "paid", "paymenttype",
                    "tirage")
    list_filter = ("paid", "tirage")
    search_fields = ('user__username', 'user__first_name', 'user__last_name')
    actions = ['send_attribs', ]
    actions_on_bottom = True
    list_per_page = 400
    readonly_fields = ("total",)

    def send_attribs(self, request, queryset):
        datatuple = []
        for member in queryset.all():
            attribs = member.attributions.all()
            context = {'member': member.user}
            shortname = ""
            if len(attribs) == 0:
                shortname = "bda-attributions-decus"
            else:
                shortname = "bda-attributions"
                context['places'] = attribs
            print(context)
            datatuple.append((shortname, context, "bda@ens.fr",
                             [member.user.email]))
        send_mass_custom_mail(datatuple)
        count = len(queryset.all())
        if count == 1:
            message_bit = "1 membre a"
            plural = ""
        else:
            message_bit = "%d membres ont" % count
            plural = "s"
        self.message_user(request, "%s été informé%s avec succès."
                          % (message_bit, plural))
    send_attribs.short_description = "Envoyer les résultats par mail"


class AttributionAdminForm(forms.ModelForm):
    def clean(self):
        cleaned_data = super(AttributionAdminForm, self).clean()
        participant = cleaned_data.get("participant")
        spectacle = cleaned_data.get("spectacle")
        if participant and spectacle:
            if participant.tirage != spectacle.tirage:
                raise forms.ValidationError(
                    "Erreur : le participant et le spectacle n'appartiennent"
                    "pas au même tirage")
        return cleaned_data


class AttributionAdmin(admin.ModelAdmin):
    def paid(self, obj):
        return obj.participant.paid
    paid.short_description = 'A payé'
    paid.boolean = True
    list_display = ("id", "spectacle", "participant", "given", "paid")
    search_fields = ('spectacle__title', 'participant__user__username',
                     'participant__user__first_name',
                     'participant__user__last_name')
    form = AttributionAdminForm


class ChoixSpectacleAdmin(admin.ModelAdmin):
    def tirage(self, obj):
        return obj.participant.tirage
    list_display = ("participant", "tirage", "spectacle", "priority",
                    "double_choice")
    list_filter = ("double_choice", "participant__tirage")
    search_fields = ('participant__user__username',
                     'participant__user__first_name',
                     'participant__user__last_name',
                     'spectacle__title')


class QuoteInline(admin.TabularInline):
    model = Quote


class SpectacleAdmin(admin.ModelAdmin):
    inlines = [QuoteInline]
    model = Spectacle
    list_display = ("title", "date", "tirage", "location", "slots", "price",
                    "listing")
    list_filter = ("location", "tirage",)
    search_fields = ("title", "location__name")
    readonly_fields = ("rappel_sent", )


class TirageAdmin(admin.ModelAdmin):
    model = Tirage
    list_display = ("title", "ouverture", "fermeture", "active",
                    "enable_do_tirage")
    readonly_fields = ("tokens", )
    list_filter = ("active", )
    search_fields = ("title", )


class SalleAdmin(admin.ModelAdmin):
    model = Salle
    search_fields = ('name', 'address')


class SpectacleReventeAdmin(admin.ModelAdmin):
    """
    Administration des reventes de spectacles
    """
    model = SpectacleRevente

    def spectacle(self, obj):
        """
        Raccourci vers le spectacle associé à la revente.
        """
        return obj.attribution.spectacle

    list_display = ("spectacle", "seller", "date", "soldTo")
    raw_id_fields = ("attribution",)
    readonly_fields = ("date_tirage",)
    search_fields = ['attribution__spectacle__title',
                     'seller__user__username',
                     'seller__user__first_name',
                     'seller__user__last_name']

    actions = ['transfer', 'reinit']
    actions_on_bottom = True

    def transfer(self, request, queryset):
        """
        Effectue le transfert des reventes pour lesquels on connaît l'acheteur.
        """
        reventes = queryset.exclude(soldTo__isnull=True).all()
        count = reventes.count()
        for revente in reventes:
            attrib = revente.attribution
            attrib.participant = revente.soldTo
            attrib.save()
        self.message_user(
            request,
            "%d attribution%s %s été transférée%s avec succès." % (
                count, pluralize(count),
                pluralize(count, "a,ont"), pluralize(count))
            )
    transfer.short_description = "Transférer les reventes sélectionnées"

    def reinit(self, request, queryset):
        """
        Réinitialise les reventes.
        """
        count = queryset.count()
        for revente in queryset.filter(
                attribution__spectacle__date__gte=timezone.now()):
            revente.date = timezone.now() - timedelta(hours=1)
            revente.soldTo = None
            revente.notif_sent = False
            revente.tirage_done = False
            if revente.answered_mail:
                revente.answered_mail.clear()
            revente.save()
        self.message_user(
            request,
            "%d attribution%s %s été réinitialisée%s avec succès." % (
                count, pluralize(count),
                pluralize(count, "a,ont"), pluralize(count))
            )
    reinit.short_description = "Réinitialiser les reventes sélectionnées"


admin.site.register(CategorieSpectacle)
admin.site.register(Spectacle, SpectacleAdmin)
admin.site.register(Salle, SalleAdmin)
admin.site.register(Participant, ParticipantAdmin)
admin.site.register(Attribution, AttributionAdmin)
admin.site.register(ChoixSpectacle, ChoixSpectacleAdmin)
admin.site.register(Tirage, TirageAdmin)
admin.site.register(SpectacleRevente, SpectacleReventeAdmin)