# -*- coding: utf-8 -*-
import os.path

from textwrap import dedent
from email.mime.text import MIMEText
from email.mime.image import MIMEImage
from email.mime.multipart import MIMEMultipart

from django.conf import settings
from django.test import TestCase

from ietf.utils.management.commands import pyflakes
from ietf.utils.mail import send_mail_text, send_mail_mime, outbox 

class PyFlakesTestCase(TestCase):

    def test_pyflakes(self):
        self.maxDiff = None
        path = os.path.join(settings.BASE_DIR)
        warnings = []
        warnings = pyflakes.checkPaths([path], verbosity=0)
        self.assertEqual([str(w) for w in warnings], [])

class TestSMTPServer(TestCase):

    def test_address_rejected(self):

        def send_simple_mail(to):
            send_mail_text(None, to=to, frm=None, subject="Test for rejection", txt="dummy body")

        len_before = len(outbox)
        send_simple_mail('good@example.com,poison@example.com')
        self.assertEqual(len(outbox),len_before+2)
        self.assertTrue('Some recipients were refused' in outbox[-1]['Subject'])

        len_before = len(outbox)
        send_simple_mail('poison@example.com')
        self.assertEqual(len(outbox),len_before+2)
        self.assertTrue('error while sending email' in outbox[-1]['Subject'])
        
    def test_rejecting_complex_mail(self):

        def send_complex_mail(to):
            msg = MIMEMultipart()
            textpart= MIMEText(dedent(u"""\
                             Sometimes people send mail with things like “smart quotes” in them.
                             Sometimes they have attachments with pictures.
                              """),_charset='utf-8')
            msg.attach(textpart)
            img = MIMEImage('\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x10\x00\x00\x00\x10\x08\x06\x00\x00\x00\x1f\xf3\xffa\x00\x00\x02\x88IDATx\xda\xa5\x93\xcbO\x13Q\x14\xc6\xbf\xb9\xd32}L\x9fZ\x06\x10Q\x90\x10\x85b\x89\xfe\x01\x06BXK"\xd4hB\xdc\xa0\x06q\xe1c% H1l\xd0\x8dbT6\x1a5\x91\x12#K\x891\xf2\x07\x98\xc8[L\x1ay\xa8@\xdb\xd0\xd2\xe9\x83N;\xbdc\x1f\x11\x03\x04\x17zW\'_\xce\xf9\xdd\xef\x9c\x9c\xc3\xe0?\x1f\xb3S\xf8\xfe\xba\xc2Be\xa9]m\xd6\x9e\xe6x\xde\x9e\xd1\xa4HdF\x0e\xc5G\x89\x8a{X\xec\xfc\x1a\xdc\x1307X\xd4$T\nC\xc6\xfc|\x13\x8d\xa6\x00\xe5O\x16\xd1\xb3\x10}\xbe\x90w\xce\xdbZyeed\x17\xc03(4\x15\x9d(s\x13\xca!\x10\xa6\xb0\x1a\xb6\x9b\x0b\x84\x95\xb4F@\x89\x84\xe5O\x0b\xcdG\xaf\xae\x8dl\x01V\x9f\x1d\xb4q\x16\xde\xa33[\x8d\xe3\x93)\xdc\x7f\x9b\xc4\xf3\x1b\x1c,|\xaex#\n\xb4\x0cH\xb8\xd6\xa8F\xad\x83El# \xc6\x83\xb1\xf2\xa2\x0bK\xfe,`y\xd0\xe6*<V\xda\x99\x92\x15\xb8\xdc\x14\xef>\x03\xaes\x0c\xea\xaas.\xc6g\x14t\xbcR\xd0P\x03t;\tX\x15\x83\xd5\xf9\xc5\xbe\x926_W6\xe3\xe7ca\xc2Z,82\xb1\xeb\r\x8b\xb1)\x82\xde\xa6\x14\xea\xec4\x0b\xf88K\xd0\xe5fQ_M\xd1s&\x95k\xe9\x87w\xf2\xc0eoM\x16\xe0\x1b*\xdc4XM\x9aL\xfca\x8e\xc5\xbd1\x0e//\xc6`\xd5\xe7Z\x08\xa6[8\xffT\x87\xeb\r\x12\xea\xabr\x80p \x14\xcfo]\xd5f\x01k\x8fl\x9bF3\xaf\xf9=\xb0X\x82\x81.O\xd96\xc4\x9d\x9a\xb8\x11\x89\x17\xb4\xf9s\x80\xe5\x01\xc3\xc4\xfe}FG\\\x064\xaa\xbf/\x0eM3\x92i\x13\xe1\x908Yr3\x9ck\xe1[\xbf\xd6%X\xf4\x9d\xef=z$(\xc1\xa9\xc3Q\xf0\x1c\xddV(\xa7\x18Ly9L\xafq8{\\D0\x14\xbd{\xe4V\xac3\x0bX\xe8\xd7\xdb\xb4,\xf5\x18\xb4j\xe3\xf8\xa2\x1e/\xa6\xac`\x18\x06\x02\x9f\x84\x8a\xa4\x07\x16c\xb1\xbe\xc9\xa2\xf6P\x04-\x8e\x00\x12\xc9\x84(&\xd9\xf2\x8a\x8e\x88\x7fk[\xbet\xe75\x0bzf\x98cI\xd6\xe6\xfc\xba\x06\xd3~\x1d\x12\xe9\x9fK\xcd\x12N\x16\xc4\xa0UQH)\x8a\x95\x08\x9c\xf6^\xc9\xbdk\x95\xe7o\xab\x9c&\xb5\xf2\x84W3\xa6\x9dG\x92\x19_$\xa9\x84\xd6%r\xc9\xde\x97\x1c\xde\xf3\x98\x96\xee\xb0\x16\x99\xd2v\x15\x94\xc6<\xc2Te\xb4\x04Ufe\x85\x8c2\x84<(\xeb\x91\xf7>\xa6\x7fy\xbf\x00\x96T\xff\x11\xf7\xd8R\xb9\x00\x00\x00\x00IEND\xaeB`\x82')

            msg.attach(img)
            send_mail_mime(request=None, to=to, frm=settings.DEFAULT_FROM_EMAIL, subject=u'это сложно', msg=msg, cc=None, extra=None)

        len_before = len(outbox)
        send_complex_mail('good@example.com')
        self.assertEqual(len(outbox),len_before+1)

        len_before = len(outbox)
        send_complex_mail('good@example.com,poison@example.com')
        self.assertEqual(len(outbox),len_before+2)