/*
 * Information on the Sony IR protocol (SIRC):
 * http://www.sbprojects.net/knowledge/ir/sirc.php
 */

// Good source for codes: https://web.archive.org/web/20160505000933/http://www.hifi-remote.com/sony/Sony_rcvr.htm

export interface SonyProtocolVariation {
	totalLengthBits: 12 | 15 | 20;
	commandLengthBits: 7;
	deviceTypeLengthBits: 5 | 8;
	extensionLengthBits: 0 | 8;
}

export const SONY_PROTOCOL_COMMAND_LENGTH_BITS = 7;
export const SONY_PROTOCOL_MAX_DEVICE_TYPE_LENGTH_BITS = 8;

export const SONY_PROTOCOL_12_BITS: SonyProtocolVariation = {
	totalLengthBits: 12,
	commandLengthBits: SONY_PROTOCOL_COMMAND_LENGTH_BITS,
	deviceTypeLengthBits: 5,
	extensionLengthBits: 0,
};
export const SONY_PROTOCOL_15_BITS: SonyProtocolVariation = {
	totalLengthBits: 15,
	commandLengthBits: SONY_PROTOCOL_COMMAND_LENGTH_BITS,
	deviceTypeLengthBits: 8,
	extensionLengthBits: 0,
};
export const SONY_PROTOCOL_20_BITS: SonyProtocolVariation = {
	totalLengthBits: 20,
	commandLengthBits: SONY_PROTOCOL_COMMAND_LENGTH_BITS,
	deviceTypeLengthBits: 5,
	extensionLengthBits: 8,
};
export const DATA_LENGTH_BITS_TO_SONY_PROTOCOL_VARIATION = new Map<
	number,
	SonyProtocolVariation
>([
	[12, SONY_PROTOCOL_12_BITS],
	[15, SONY_PROTOCOL_15_BITS],
	[20, SONY_PROTOCOL_20_BITS],
]);