# -*- coding: utf-8 -*-
from datetime import timedelta

from django.conf import settings
from django.core.mail import EmailMessage
from django.template.loader import render_to_string


SUPPORT_EMAIL = getattr(settings, 'SUPPORT_EMAIL')


def check_one_profile(profile, License, now, manual=False):
    profile_is_active = profile.active
    licenses = License.objects.filter(company=profile, date_from__lte=now, date_to__gte=now, status__in=[-1, 1, 2], deleted=False)
    licenses.filter(status=1).update(status=2)

    if licenses:
        profile.active = True
    else:
        profile.active = False
    profile.save()

    user_email = profile.users.get().email

    if profile.active and not profile_is_active:
        template_name = 'myauth/license_activated.txt'
        subject = u'Документор: Профиль активирован'
        dict_context = {'user_email': user_email,
                        'support_email': SUPPORT_EMAIL,
                        'license_starts': licenses[0].date_from,
                        'license_ends': licenses[0].date_to,
                        }
        email_body = render_to_string(template_name, dict_context)
        email = EmailMessage(subject=subject, to=(user_email,), body=email_body)
        email.send()

    licenses_remain = License.objects.filter(company=profile, date_from__gt=now + timedelta(1), status=1, deleted=False)
    licenses_to_pay = License.objects.filter(company=profile, status=0, deleted=False)

    if not licenses_remain and not manual:
        licenses = License.objects.filter(company=profile, date_to__lt=now, status__in=[-1, 2], deleted=False)
        licenses.update(status=3)

        if licenses:
            template_name = 'myauth/license_ended.txt'
            subject = u'Документор: срок действия лицензии окончен'
            dict_context = {'user_email': user_email,
                            'support_email': SUPPORT_EMAIL,
                            'license_ends': licenses[0].date_to,
                            'licenses_to_pay': licenses_to_pay,
                            }
            email_body = render_to_string(template_name, dict_context)
            email = EmailMessage(subject=subject, to=(user_email,), body=email_body)
            email.send()

        licenses = License.objects.filter(company=profile, date_to=now + timedelta(1), status__in=[-1, 2], deleted=False)

        if licenses:
            template_name = 'myauth/license_ends.txt'
            subject = u'Документор: окончание срока действия лицензии'
            dict_context = {'user_email': user_email,
                            'support_email': SUPPORT_EMAIL,
                            'license_ends': licenses[0].date_to,
                            'licenses_to_pay': licenses_to_pay,
                            }
            email_body = render_to_string(template_name, dict_context)
            email = EmailMessage(subject=subject, to=(user_email,), body=email_body)
            email.send()

    if not manual:
        licenses = License.objects.filter(company=profile, order_date=now - timedelta(9), status=0, deleted=False)

        if licenses:
            template_name = 'myauth/license_to_pay.txt'
            subject = u'Документор: есть неоплаченные счета'
            dict_context = {'user_email': user_email,
                            'support_email': SUPPORT_EMAIL,
                            }
            email_body = render_to_string(template_name, dict_context)
            email = EmailMessage(subject=subject, to=(user_email,), body=email_body)
            email.send()


def raise_if_no_profile(request):
    if not request.user.profile:
        raise Exception(u"Profile not found for user: %d, '%s'" % (request.user.pk, request.user.username))