import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent.parent))

import unittest

import deckit.modules.music as music


class Music(unittest.TestCase):
    def test_parses_metadata(self):
        sep = "\x1f"
        fake = lambda cmd, timeout=2: {
            "metadata": sep.join(["Playing", "Song", "Artist", "Album", "200000000",
                                  "1000000", "", "spotify"]),
            "get-volume": "Volume: 0.42",
        }[cmd[1]]
        m = music.make({"run": fake})
        st = m.state()
        self.assertEqual(st["title"], "Song")
        self.assertEqual(st["status"], "Playing")
        self.assertEqual(st["volume"]["level"], 42)

    def test_action_commands(self):
        self.assertEqual(music.BASE_ACTIONS["next"], ["playerctl", "next"])

    def test_seek_runs_playerctl(self):
        calls = []
        m = music.make({"run": lambda *a, **k: "", "popen": calls.append})
        m.actions["seek"]({"position": 12.34})
        self.assertEqual(calls[0], ["playerctl", "position", "12.3"])

    def test_seek_rejects_bad_positions(self):
        m = music.make({"run": lambda *a, **k: "", "popen": lambda cmd: None})
        for bad in ({}, {"position": -1}, {"position": "x"}):
            with self.assertRaises(music.ModuleError, msg=bad):
                m.actions["seek"](bad)


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