import os
import unittest
import taglog


class TestTagLog(unittest.TestCase):
    TEST_LOG_1 = "tests/user1.log"
    TEST_LOG_2 = "tests/user2.log"
    TEST_LOG_3 = "tests/user3.log"
    TEST_LOG_1_LOCK = TEST_LOG_1 + ".lock"
    TEST_LOG_2_LOCK = TEST_LOG_2 + ".lock"

    def test_tag_log_locking(self):
        tl1 = taglog.TagLog(self.TEST_LOG_1)
        tl2 = taglog.TagLog(self.TEST_LOG_2)
        # Make sure that lock files are created.
        self.assertTrue(os.path.isfile(self.TEST_LOG_1_LOCK))
        self.assertTrue(os.path.isfile(self.TEST_LOG_2_LOCK))
        # Make sure that lock files are deleted on object destruction.
        del tl2
        self.assertFalse(os.path.isfile(self.TEST_LOG_2_LOCK))
        del tl1
        self.assertFalse(os.path.isfile(self.TEST_LOG_1_LOCK))

    def test_tag_log_locking_conflict(self):
        tl1 = taglog.TagLog(self.TEST_LOG_1)
        self.assertTrue(os.path.isfile(self.TEST_LOG_1_LOCK))

        # Creating another TagLog object for the same log caues a system exit.
        with self.assertRaises(SystemExit):
            tl2 = taglog.TagLog(self.TEST_LOG_1)

        # Create another TagLog after destroying the first one.
        del tl1
        tl2 = taglog.TagLog(self.TEST_LOG_1)
        self.assertTrue(os.path.isfile(self.TEST_LOG_1_LOCK))
        del tl2

    def test_exists(self):
        tl = taglog.TagLog(self.TEST_LOG_1)
        self.assertTrue(tl.exists())
        tl = taglog.TagLog(self.TEST_LOG_3)
        self.assertFalse(tl.exists())

    def test_last_ping(self):
        Ping = taglog.Ping
        p1 = taglog.TagLog(self.TEST_LOG_1).last_ping()
        line = "1600808609 (lol) afk bar  [lulz]\n"
        p2 = Ping(1600808609, ["afk", "bar"], ["lol", "lulz"], line)
        self.assertEqual(p1, p2)

    def test_last_ping_time(self):
        time = taglog.TagLog(self.TEST_LOG_1).last_ping_time()
        self.assertEqual(time, 1600808609)

        time = taglog.TagLog(self.TEST_LOG_2).last_ping_time()
        self.assertEqual(time, 1601543391)

    def test_get_tags(self):
        tags = taglog.TagLog(self.TEST_LOG_1).get_tags()
        expected_tags = [
            (6, "afk"),
            (5, "off"),
            (3, "bar"),
            (1, "quz"),
            (1, "foo")]
        self.assertEqual(tags, expected_tags)