from __future__ import unicode_literals

from django.core import mail

from mayan.apps.documents.tests import GenericDocumentViewTestCase

from ..models import UserMailer
from ..permissions import (
    permission_mailing_link, permission_mailing_send_document,
    permission_user_mailer_create, permission_user_mailer_delete,
    permission_user_mailer_use, permission_user_mailer_view
)

from .literals import (
    TEST_EMAIL_ADDRESS, TEST_EMAIL_FROM_ADDRESS, TEST_USER_MAILER_BACKEND_PATH,
    TEST_USER_MAILER_LABEL, TEST_RECIPIENTS_MULTIPLE_COMMA,
    TEST_RECIPIENTS_MULTIPLE_COMMA_RESULT, TEST_RECIPIENTS_MULTIPLE_MIXED,
    TEST_RECIPIENTS_MULTIPLE_MIXED_RESULT, TEST_RECIPIENTS_MULTIPLE_SEMICOLON,
    TEST_RECIPIENTS_MULTIPLE_SEMICOLON_RESULT
)
from .mailers import TestBackend
from .mixins import MailerTestMixin


class MailerViewsTestCase(MailerTestMixin, GenericDocumentViewTestCase):
    def setUp(self):
        super(MailerViewsTestCase, self).setUp()
        self.login_user()

    def _request_document_link_send(self):
        return self.post(
            'mailer:send_document_link', args=(self.document.pk,),
            data={
                'email': getattr(
                    self, 'test_email_address', TEST_EMAIL_ADDRESS
                ),
                'user_mailer': self.user_mailer.pk
            },
        )

    def _request_document_send(self):
        return self.post(
            'mailer:send_document', args=(self.document.pk,),
            data={
                'email': getattr(
                    self, 'test_email_address', TEST_EMAIL_ADDRESS
                ),
                'user_mailer': self.user_mailer.pk
            },
        )

    def _request_user_mailer_create(self):
        return self.post(
            'mailer:user_mailer_create', args=(
                TEST_USER_MAILER_BACKEND_PATH,
            ), data={
                'default': True,
                'enabled': True,
                'label': TEST_USER_MAILER_LABEL,
            }, follow=True
        )

    def _request_user_mailer_delete(self):
        return self.post(
            'mailer:user_mailer_delete', args=(self.user_mailer.pk,)
        )

    def _request_user_mailer_test(self):
        return self.post(
            'mailer:user_mailer_test', args=(self.user_mailer.pk,), data={
                'email': getattr(
                    self, 'test_email_address', TEST_EMAIL_ADDRESS
                )
            }, follow=True
        )

    def test_mail_link_view_no_permissions(self):
        self._create_user_mailer()

        response = self._request_document_link_send()

        self.assertContains(
            response, 'Select a valid choice', status_code=200
        )

    def test_mail_link_view_with_permission(self):
        self._create_user_mailer()

        self.grant_permission(permission=permission_mailing_link)
        self.grant_permission(permission=permission_user_mailer_use)

        self._request_document_link_send()

        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(mail.outbox[0].to, [TEST_EMAIL_ADDRESS])

    def test_mail_document_view_no_permissions(self):
        self._create_user_mailer()

        response = self._request_document_send()
        self.assertContains(
            response, 'Select a valid choice', status_code=200
        )

    def test_mail_document_view_with_permission(self):
        self._create_user_mailer()

        self.grant_permission(permission=permission_mailing_send_document)
        self.grant_permission(permission=permission_user_mailer_use)

        self._request_document_send()

        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(mail.outbox[0].to, [TEST_EMAIL_ADDRESS])

    def test_user_mailer_create_view_no_permissions(self):
        self.grant_permission(permission=permission_user_mailer_view)

        response = self._request_user_mailer_create()

        self.assertNotContains(
            response, text=TestBackend.label, status_code=403
        )
        self.assertEqual(UserMailer.objects.count(), 0)

    def test_user_mailer_create_view_with_permissions(self):
        self.grant_permission(permission=permission_user_mailer_create)
        self.grant_permission(permission=permission_user_mailer_view)

        response = self._request_user_mailer_create()

        self.assertContains(
            response, text=TestBackend.label, status_code=200
        )

        self.assertEqual(UserMailer.objects.count(), 1)

    def test_user_mailer_delete_view_no_permissions(self):
        self._create_user_mailer()

        self._request_user_mailer_delete()

        self.assertQuerysetEqual(
            UserMailer.objects.all(), (repr(self.user_mailer),)
        )

    def test_user_mailer_delete_view_with_access(self):
        self._create_user_mailer()

        self.grant_access(
            obj=self.user_mailer, permission=permission_user_mailer_delete
        )

        self._request_user_mailer_delete()

        self.assertEqual(UserMailer.objects.count(), 0)

    def test_user_mailer_list_view_no_permissions(self):
        self._create_user_mailer()

        response = self.get(
            'mailer:user_mailer_list',
        )
        self.assertNotContains(
            response, text=self.user_mailer.label, status_code=200
        )

    def test_user_mailer_list_view_with_permissions(self):
        self._create_user_mailer()

        self.grant_permission(permission=permission_user_mailer_view)

        response = self.get(
            'mailer:user_mailer_list',
        )

        self.assertContains(
            response, text=self.user_mailer.label, status_code=200
        )

    def test_user_mailer_test_view_no_permissions(self):
        self._create_user_mailer()

        response = self._request_user_mailer_test()

        self.assertEqual(response.status_code, 403)

        self.assertEqual(len(mail.outbox), 0)

    def test_user_mailer_test_view_with_access(self):
        self._create_user_mailer()

        self.grant_access(
            obj=self.user_mailer, permission=permission_user_mailer_use
        )

        response = self._request_user_mailer_test()

        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(mail.outbox[0].to, [TEST_EMAIL_ADDRESS])

    def test_send_multiple_recipients_comma(self):
        self._create_user_mailer()

        self.grant_access(
            obj=self.user_mailer, permission=permission_user_mailer_use
        )

        self.test_email_address = TEST_RECIPIENTS_MULTIPLE_COMMA
        response = self._request_user_mailer_test()
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(
            mail.outbox[0].to, TEST_RECIPIENTS_MULTIPLE_COMMA_RESULT
        )

    def test_send_multiple_recipients_mixed(self):
        self._create_user_mailer()

        self.grant_access(
            obj=self.user_mailer, permission=permission_user_mailer_use
        )

        self.test_email_address = TEST_RECIPIENTS_MULTIPLE_MIXED
        response = self._request_user_mailer_test()
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(
            mail.outbox[0].to, TEST_RECIPIENTS_MULTIPLE_MIXED_RESULT
        )

    def test_send_multiple_recipients_semicolon(self):
        self._create_user_mailer()

        self.grant_access(
            obj=self.user_mailer, permission=permission_user_mailer_use
        )

        self.test_email_address = TEST_RECIPIENTS_MULTIPLE_SEMICOLON
        response = self._request_user_mailer_test()
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(
            mail.outbox[0].to, TEST_RECIPIENTS_MULTIPLE_SEMICOLON_RESULT
        )

    def test_mail_link_view_recipients_comma(self):
        self._create_user_mailer()

        self.grant_permission(permission=permission_mailing_link)
        self.grant_permission(permission=permission_user_mailer_use)

        self.test_email_address = TEST_RECIPIENTS_MULTIPLE_COMMA
        self._request_document_link_send()

        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(
            mail.outbox[0].to, TEST_RECIPIENTS_MULTIPLE_COMMA_RESULT
        )

    def test_mail_link_view_recipients_mixed(self):
        self._create_user_mailer()

        self.grant_permission(permission=permission_mailing_link)
        self.grant_permission(permission=permission_user_mailer_use)

        self.test_email_address = TEST_RECIPIENTS_MULTIPLE_MIXED
        self._request_document_link_send()

        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(
            mail.outbox[0].to, TEST_RECIPIENTS_MULTIPLE_MIXED_RESULT
        )

    def test_mail_link_view_recipients_semicolon(self):
        self._create_user_mailer()

        self.grant_permission(permission=permission_mailing_link)
        self.grant_permission(permission=permission_user_mailer_use)

        self.test_email_address = TEST_RECIPIENTS_MULTIPLE_SEMICOLON
        self._request_document_link_send()

        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(
            mail.outbox[0].to, TEST_RECIPIENTS_MULTIPLE_SEMICOLON_RESULT
        )

    def test_mail_document_view_recipients_comma(self):
        self._create_user_mailer()

        self.grant_permission(permission=permission_mailing_send_document)
        self.grant_permission(permission=permission_user_mailer_use)

        self.test_email_address = TEST_RECIPIENTS_MULTIPLE_COMMA
        self._request_document_send()

        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(
            mail.outbox[0].to, TEST_RECIPIENTS_MULTIPLE_COMMA_RESULT
        )

    def test_mail_document_view_recipients_mixed(self):
        self._create_user_mailer()

        self.grant_permission(permission=permission_mailing_send_document)
        self.grant_permission(permission=permission_user_mailer_use)

        self.test_email_address = TEST_RECIPIENTS_MULTIPLE_MIXED
        self._request_document_send()

        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(
            mail.outbox[0].to, TEST_RECIPIENTS_MULTIPLE_MIXED_RESULT
        )

    def test_mail_document_view_recipients_semicolon(self):
        self._create_user_mailer()

        self.grant_permission(permission=permission_mailing_send_document)
        self.grant_permission(permission=permission_user_mailer_use)

        self.test_email_address = TEST_RECIPIENTS_MULTIPLE_SEMICOLON
        self._request_document_send()

        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].from_email, TEST_EMAIL_FROM_ADDRESS)
        self.assertEqual(
            mail.outbox[0].to, TEST_RECIPIENTS_MULTIPLE_SEMICOLON_RESULT
        )