// BMW I/K-Bus interface — backward-compatible facade
// Delegates everything to KLineTransport + IbusHandler.

#include "IbusEsp32.h"

IbusEsp32::IbusEsp32()
    : _transport(),
      _handler(_transport) {}

void IbusEsp32::begin(HardwareSerial& serial, int8_t rxPin, int8_t txPin,
                       int8_t ledPin, uint8_t uartNum) {
    KLineConfig config;
    config.baud          = IBUS_BAUD;
    config.framing       = IBUS_FRAMING;
    config.idleTimeoutUs = IBUS_IDLE_TIMEOUT_US;
    config.idleCheckUs   = IBUS_IDLE_CHECK_US;
    config.packetGapMs   = IBUS_PACKET_GAP_MS;
    config.txInvert      = true;
    config.checksumType  = CHECKSUM_XOR;

    _transport.begin(serial, rxPin, txPin, ledPin, uartNum, config);
}

void IbusEsp32::run() {
    _transport.drainUart();
    _handler.process();
    _transport.run();
}

void IbusEsp32::write(const uint8_t* message, uint8_t size) {
    _handler.write(message, size);
}

void IbusEsp32::onPacket(PacketCallback callback) {
    _handler.onPacket(callback);
}

void IbusEsp32::setFilterEnabled(bool enabled) {
    _handler.setFilterEnabled(enabled);
}

void IbusEsp32::setFilterAddress(uint8_t addr) {
    _handler.setFilterAddress(addr);
}

void IbusEsp32::setFilterAddresses(const uint8_t* addrs, uint8_t count) {
    _handler.setFilterAddresses(addrs, count);
}

uint8_t IbusEsp32::calculateChecksum(const uint8_t* data, uint8_t length) {
    return KLineTransport::checksumXor(data, length);
}