import json
import tempfile
import unittest
from pathlib import Path

from halloween.controller import Controller


class ControllerTest(unittest.TestCase):
    def setUp(self):
        self.folder = tempfile.TemporaryDirectory()
        self.addCleanup(self.folder.cleanup)
        self.now = 100.0
        self.path = Path(self.folder.name)
        self.controller = Controller(self.path, clock=lambda: self.now)

    def test_start_needs_clear_zone_and_fresh_trigger(self):
        self.assertEqual(self.controller.status()["mode"], "voll")
        self.assertFalse(self.controller.trigger()[0])
        self.controller.zone_clear()
        self.assertTrue(self.controller.trigger()[0])
        self.assertFalse(self.controller.trigger()[0])
        self.now += 11
        self.assertFalse(self.controller.trigger()[0])
        self.controller.zone_clear()
        self.assertTrue(self.controller.trigger()[0])

    def test_stop_latches_until_reset_and_new_clear_zone(self):
        self.controller.zone_clear()
        self.controller.stop()
        self.assertFalse(self.controller.trigger()[0])
        self.controller.reset()
        self.assertFalse(self.controller.trigger()[0])
        self.controller.zone_clear()
        self.assertTrue(self.controller.trigger()[0])

    def test_mode_persists_and_corrupt_file_fails_closed(self):
        self.controller.set_mode("sanft")
        self.assertEqual(Controller(self.path).mode, "sanft")
        (self.path / "settings.json").write_text("{kaputt", encoding="utf-8")
        broken = Controller(self.path)
        self.assertEqual(broken.mode, "aus")
        self.assertIsNotNone(broken.config_error)
        broken.zone_clear()
        self.assertFalse(broken.trigger()[0])
        broken.set_mode("voll")
        self.assertEqual(json.loads((self.path / "settings.json").read_text())["mode"], "voll")

    def test_mode_change_cancels_running_sequence(self):
        self.controller.zone_clear()
        self.assertTrue(self.controller.trigger()[0])
        self.controller.set_mode("aus")
        self.assertFalse(self.controller.trigger()[0])
        self.assertFalse(self.controller.status()["zone_clear_seen"])


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