import logging
from unittest.mock import patch

import django
from django.core import mail
from django.test import TestCase
from testfixtures import log_capture

from dbbackup import log


class LoggerDefaultTestCase(TestCase):
    @log_capture()
    def test_root(self, captures):
        logger = logging.getLogger()
        logger.debug("a noise")
        logger.info("a message")
        logger.warning("a warning")
        logger.error("an error")
        logger.critical("a critical error")
        captures.check(
            ("root", "DEBUG", "a noise"),
            ("root", "INFO", "a message"),
            ("root", "WARNING", "a warning"),
            ("root", "ERROR", "an error"),
            ("root", "CRITICAL", "a critical error"),
        )

    @log_capture()
    def test_django(self, captures):
        logger = logging.getLogger("django")
        logger.debug("a noise")
        logger.info("a message")
        logger.warning("a warning")
        logger.error("an error")
        logger.critical("a critical error")
        if django.VERSION < (1, 9):
            captures.check(
                ("django", "DEBUG", "a noise"),
                ("django", "INFO", "a message"),
                ("django", "WARNING", "a warning"),
                ("django", "ERROR", "an error"),
                ("django", "CRITICAL", "a critical error"),
            )
        else:
            captures.check(
                ("django", "INFO", "a message"),
                ("django", "WARNING", "a warning"),
                ("django", "ERROR", "an error"),
                ("django", "CRITICAL", "a critical error"),
            )

    @log_capture()
    def test_dbbackup(self, captures):
        logger = logging.getLogger("dbbackup")
        logger.debug("a noise")
        logger.info("a message")
        logger.warning("a warning")
        logger.error("an error")
        logger.critical("a critical error")
        captures.check(
            ("dbbackup", "INFO", "a message"),
            ("dbbackup", "WARNING", "a warning"),
            ("dbbackup", "ERROR", "an error"),
            ("dbbackup", "CRITICAL", "a critical error"),
        )

    @log_capture()
    def test_dbbackup_storage(self, captures):
        logger = logging.getLogger("dbbackup.storage")
        logger.debug("a noise")
        logger.info("a message")
        logger.warning("a warning")
        logger.error("an error")
        logger.critical("a critical error")
        captures.check(
            ("dbbackup.storage", "INFO", "a message"),
            ("dbbackup.storage", "WARNING", "a warning"),
            ("dbbackup.storage", "ERROR", "an error"),
            ("dbbackup.storage", "CRITICAL", "a critical error"),
        )

    @log_capture()
    def test_other_module(self, captures):
        logger = logging.getLogger("os.path")
        logger.debug("a noise")
        logger.info("a message")
        logger.warning("a warning")
        logger.error("an error")
        logger.critical("a critical error")
        captures.check(
            ("os.path", "DEBUG", "a noise"),
            ("os.path", "INFO", "a message"),
            ("os.path", "WARNING", "a warning"),
            ("os.path", "ERROR", "an error"),
            ("os.path", "CRITICAL", "a critical error"),
        )


class DbbackupAdminEmailHandlerTest(TestCase):
    def setUp(self):
        self.logger = logging.getLogger("dbbackup")

    @patch("dbbackup.settings.SEND_EMAIL", True)
    def test_send_mail(self):
        # Test mail error
        msg = "Super msg"
        self.logger.error(msg)
        self.assertEqual(mail.outbox[0].subject, "[dbbackup] ERROR: Super msg")
        # Test don't mail below
        self.logger.warning(msg)
        self.assertEqual(len(mail.outbox), 1)

    @patch("dbbackup.settings.SEND_EMAIL", False)
    def test_send_mail_is_false(self):
        msg = "Super msg"
        self.logger.error(msg)
        self.assertEqual(len(mail.outbox), 0)


class MailEnabledFilterTest(TestCase):
    @patch("dbbackup.settings.SEND_EMAIL", True)
    def test_filter_is_true(self):
        filter_ = log.MailEnabledFilter()
        self.assertTrue(filter_.filter("foo"))

    @patch("dbbackup.settings.SEND_EMAIL", False)
    def test_filter_is_false(self):
        filter_ = log.MailEnabledFilter()
        self.assertFalse(filter_.filter("foo"))