"""Human-readable packet meaning, including ACK versus actual state reports."""

import unittest

from controller.messages import ActivityLog, describe_command, describe_reply
from controller.protocol import Frame


class MessageTests(unittest.TestCase):
    def test_outgoing_layout_and_rgb(self):
        self.assertEqual(describe_command(bytes.fromhex("40 03 00 05 00")), "Set EQ to Rock")
        self.assertEqual(
            describe_command(bytes.fromhex("60 02 ff 80 00")), "Set lighting color to #FF8000"
        )

    def test_color_is_a_distinct_mode_and_play_pause_is_an_event(self):
        self.assertEqual(describe_command(bytes.fromhex("50 03 07")), "Set lighting to Color")
        self.assertEqual(describe_reply(bytes.fromhex("51 03 07")), "Lighting: Color")
        self.assertEqual(describe_reply(bytes.fromhex("70 11")), "Button event: Play / pause")

    def test_capture_maps_to_english_with_optional_hex(self):
        log = ActivityLog()
        raw = "TX BLE 00 bb 01 0c 00 05 40 03 00 05 00 5a"
        log.record("log", raw)
        log.record("log", "RX BLE 00 bb 00 0c 00 00 0c")
        log.record("frame", Frame(0, 12, b""))
        log.record("frame", Frame(1, 0xAD, bytes.fromhex("41 03 05 00")))
        text = log.text()
        self.assertIn("Sending: Set EQ to Rock", text)
        self.assertIn("Speaker acknowledged: Set EQ to Rock", text)
        self.assertIn("Speaker reports: EQ: Rock", text)
        self.assertNotIn("00 bb", text)
        self.assertIn(raw, log.text(raw=True))

    def test_ack_is_not_reported_as_applied(self):
        log = ActivityLog()
        log.record("log", "TX BLE 00 bb 01 11 00 05 60 02 ff 80 00 f8")
        log.record("frame", Frame(0, 17, b""))
        self.assertIn("acknowledged: Set lighting color", log.text())
        self.assertNotIn("Speaker reports:", log.text())

    def test_unknown_reply_is_honest_and_does_not_crash(self):
        self.assertIn("Unmapped", describe_reply(b"\xff"))
        self.assertIn("Unmapped", describe_reply(b""))

    def test_history_is_bounded(self):
        log = ActivityLog(limit=2)
        for value in ("one", "two", "three"):
            log.record("log", value)
        self.assertEqual(log.text(), "two\nthree\n")