"""Constants for the Denon AVR Bluetooth integration."""
from __future__ import annotations

from typing import Final

DOMAIN: Final = "denon_bt"

# Bluetooth RFCOMM
RFCOMM_CHANNEL: Final = 2
CONNECT_TIMEOUT: Final = 10
RECONNECT_INTERVAL: Final = 30  # max seconds between reconnect attempts

# Volume: raw byte / 2 = display value.  98 raw = display 49 (comfortable max).
VOLUME_PRACTICAL_MAX: Final = 98

# ── Protocol commands (Phone → AVR) ─────────────────────────────────────────

CMD_VOLUME_UP: Final = bytes([0x41, 0x54, 0x07, 0x00, 0x00, 0x00])
CMD_VOLUME_DOWN: Final = bytes([0x41, 0x54, 0x07, 0x01, 0x00, 0x00])
CMD_GET_SOURCES: Final = bytes([0x41, 0x54, 0x00, 0x04, 0x00, 0x00])
CMD_GET_STATUS: Final = bytes([0x41, 0x54, 0x00, 0x06, 0x00, 0x00])
CMD_MUTE_ON: Final = bytes([0x41, 0x54, 0x07, 0x1D, 0x01, 0x01, 0xFE])
CMD_MUTE_OFF: Final = bytes([0x41, 0x54, 0x07, 0x1D, 0x01, 0x00, 0xFF])
CMD_POWER_OFF: Final = bytes([0x41, 0x54, 0x00, 0x0A, 0x01, 0x00, 0xFF])
CMD_POWER_ON: Final = bytes([0x41, 0x54, 0x00, 0x0A, 0x01, 0x01, 0xFE])

# ── Known input source byte codes ───────────────────────────────────────────

DEFAULT_SOURCES: Final = {
    0x40: "Bluetooth",
    0x55: "Media Player",
    0x52: "CBL/SAT",
    0x53: "DVD",
    0x54: "Blu-ray",
    0x56: "Game",
    0x57: "AUX",
}