#pragma once
// BMW I/K-Bus interface — backward-compatible facade
// Wraps KLineTransport + IbusHandler so existing sketches need zero changes.
// For new code, use KLineTransport + IbusHandler (or KLineObd2) directly.

#include <Arduino.h>
#include <functional>
#include "KLineTransport.h"
#include "IbusHandler.h"

// Re-export library defaults for existing config.h compatibility
#ifndef IBUS_BAUD
#define IBUS_BAUD       9600
#endif
#ifndef IBUS_FRAMING
#define IBUS_FRAMING    SERIAL_8E1
#endif
#ifndef IBUS_IDLE_TIMEOUT_US
#define IBUS_IDLE_TIMEOUT_US 1500
#endif
#ifndef IBUS_IDLE_CHECK_US
#define IBUS_IDLE_CHECK_US   250
#endif
#ifndef IBUS_PACKET_GAP_MS
#define IBUS_PACKET_GAP_MS   10
#endif
#ifndef IBUS_UART_NUM
#define IBUS_UART_NUM   1
#endif

class IbusEsp32 {
public:
    using PacketCallback = std::function<void(const uint8_t* packet, uint8_t length)>;

    IbusEsp32();

    void begin(HardwareSerial& serial, int8_t rxPin, int8_t txPin,
               int8_t ledPin = -1, uint8_t uartNum = IBUS_UART_NUM);

    void run();

    void write(const uint8_t* message, uint8_t size);

    void onPacket(PacketCallback callback);

    void setFilterEnabled(bool enabled);
    void setFilterAddress(uint8_t addr);
    void setFilterAddresses(const uint8_t* addrs, uint8_t count);

    static uint8_t calculateChecksum(const uint8_t* data, uint8_t length);

private:
    KLineTransport _transport;
    IbusHandler _handler;
};