#!/usr/bin/env python
# -*- coding: utf-8 -*-

import unittest
import importlib
import sys
from io import BytesIO
sys.path.insert(0, ".")

from mail2misp import Mail2MISP


class TestMailToMISP(unittest.TestCase):

    def test_spamtrap(self):
        config = importlib.import_module('tests.config_spamtrap')
        self.mail2misp = Mail2MISP('', '', '', config=config, offline=True)
        with open('tests/mails/simple_spamtrap.eml', 'rb') as f:
            self.mail2misp.load_email(BytesIO(f.read()))
        self.mail2misp.email_from_spamtrap()
        self.mail2misp.process_body_iocs()
        event = self.mail2misp.add_event()
        print(event)

    def test_spamtrap_attachment(self):
        config = importlib.import_module('tests.config_spamtrap')
        self.mail2misp = Mail2MISP('', '', '', config=config, offline=True)
        with open('tests/mails/attachment_spamtrap.eml', 'rb') as f:
            self.mail2misp.load_email(BytesIO(f.read()))
        self.mail2misp.email_from_spamtrap()
        self.mail2misp.process_body_iocs()
        event = self.mail2misp.add_event()
        print(event)

    def test_forward(self):
        config = importlib.import_module('tests.config_forward')
        self.mail2misp = Mail2MISP('', '', '', config=config, offline=True)
        with open('tests/mails/simple_forward.eml', 'rb') as f:
            self.mail2misp.load_email(BytesIO(f.read()))
        self.mail2misp.process_email_body()
        self.mail2misp.process_body_iocs()
        event = self.mail2misp.add_event()
        print(event)

    def test_forward_attachment(self):
        config = importlib.import_module('tests.config_forward')
        self.mail2misp = Mail2MISP('', '', '', config=config, offline=True)
        with open('tests/mails/attachment_forward.eml', 'rb') as f:
            self.mail2misp.load_email(BytesIO(f.read()))
        self.mail2misp.process_email_body()
        self.mail2misp.process_body_iocs()
        event = self.mail2misp.add_event()
        print(event)

    def test_benign(self):
        config = importlib.import_module('tests.config_forward')
        self.mail2misp = Mail2MISP('', '', '', config=config, offline=True)
        with open('tests/mails/test_benign.eml', 'rb') as f:
            self.mail2misp.load_email(BytesIO(f.read()))
        self.mail2misp.process_email_body()
        self.mail2misp.process_body_iocs()
        self.assertTrue('attachment' in [a.type for a in self.mail2misp.misp_event.attributes])
        self.assertTrue(self.mail2misp.misp_event.publish)

    def test_textfile(self):
        config = importlib.import_module('tests.config_forward')
        self.mail2misp = Mail2MISP('', '', '', config=config, offline=True)
        with open('tests/mails/test_textattachment.eml', 'rb') as f:
            self.mail2misp.load_email(BytesIO(f.read()))
        self.mail2misp.process_email_body()

    def test_meta_event(self):
        config = importlib.import_module('tests.config_forward')
        self.mail2misp = Mail2MISP('', '', '', config=config, offline=True)
        with open('tests/mails/test_meta.eml', 'rb') as f:
            self.mail2misp.load_email(BytesIO(f.read()))
        self.mail2misp.process_email_body()
        self.mail2misp.process_body_iocs()
        self.assertTrue(self.mail2misp.misp_event.publish)
        self.assertEqual(self.mail2misp.misp_event.distribution, '3')
        self.assertEqual(self.mail2misp.misp_event.threat_level_id, '2')
        self.assertEqual(self.mail2misp.misp_event.analysis, '0')
        self.mail2misp.add_event()

    def test_nested_mime(self):
        config = importlib.import_module('tests.config_forward')
        self.mail2misp = Mail2MISP('', '', '', config=config, offline=True)
        with open('tests/mails/test_nested_mime.eml', 'rb') as f:
            self.mail2misp.load_email(BytesIO(f.read()))
        self.mail2misp.process_email_body()
        self.assertEqual(self.mail2misp.clean_email_body, 'example.org\r\nwww.example.org\r\n')

    def test_attached_emails(self):
        config = importlib.import_module('tests.config_carrier')
        self.mail2misp = Mail2MISP('', '', '', config=config, offline=True)
        with open('tests/mails/test_7_email_attachments.eml', 'rb') as f:
            attached_emails = self.mail2misp.get_attached_emails(BytesIO(f.read()))
        self.assertEqual(len(attached_emails), 7)


if __name__ == '__main__':
    unittest.main()