# coding: utf-8

from django.shortcuts import get_object_or_404, render
from django.core import mail
from django.template import loader, Context

from gestioncof.decorators import buro_required

from bda.models import Spectacle, Attribution

RAPPEL_FROM = 'Le BdA <bda@ens.fr>'
RAPPEL_REPLY_TO = RAPPEL_FROM

def render_template(template_name, data):
    tmpl = loader.get_template(template_name)
    ctxt = Context(data)
    return tmpl.render(ctxt)

@buro_required
def send_rappel(request, spectacle_id):
    # On récupère la liste des participants
    show = get_object_or_404(Spectacle, id=spectacle_id)
    members = {}
    for attr in Attribution.objects.filter(spectacle=show).all():
        member = attr.participant.user
        if member.id in members:
            members[member.id].nb_attr = 2
        else:
            member.nb_attr = 1
            members[member.id] = member
    # On écrit un mail personnalisé à chaque participant
    mails_to_send = []
    mail_object = "%s - %s - %s" % (show.title, show.date_no_seconds(),
                                    show.location)
    for member in members.values():
        mail_body = render_template('mail-rappel.txt', {
                'member': member,
                'show': show})
        mail_tot = mail.EmailMessage(mail_object, mail_body,
                RAPPEL_FROM, [member.email],
                [], headers={'Reply-To': RAPPEL_REPLY_TO})
        mails_to_send.append(mail_tot)
    # On envoie les mails
    connection = mail.get_connection(fail_silently=True)
    connection.send_messages(mails_to_send)
    # Mails d'exemples
    fake_member = request.user
    fake_member.nb_attr = 1
    example1 = render_template('mail-rappel.txt', {
            'member': fake_member,
            'show': show})
    fake_member.nb_attr = 2
    example2 = render_template('mail-rappel.txt', {
            'member': fake_member,
            'show': show})
    return render(request, "mails-rappel-sent.html", {
	'members': members.values(),
        'show': show,
        'example1': example1,
        'example2': example2})