#pragma once

#include <Arduino.h>

// Build an ESP32 UART config constant from individual parameters.
// Shared by MacroEngine (for rs232 node execution) and SerialProtocol
// (for the host-side RS232 terminal pass-through).
inline uint32_t computeRS232Config(int dataBits, const char* parity, const char* stopBits) {
    bool twoStop = (strcmp(stopBits, "2") == 0 || strcmp(stopBits, "1.5") == 0);

    if (dataBits == 5) {
        if (strcmp(parity, "even") == 0) return twoStop ? SERIAL_5E2 : SERIAL_5E1;
        if (strcmp(parity, "odd") == 0)  return twoStop ? SERIAL_5O2 : SERIAL_5O1;
        return twoStop ? SERIAL_5N2 : SERIAL_5N1;
    } else if (dataBits == 6) {
        if (strcmp(parity, "even") == 0) return twoStop ? SERIAL_6E2 : SERIAL_6E1;
        if (strcmp(parity, "odd") == 0)  return twoStop ? SERIAL_6O2 : SERIAL_6O1;
        return twoStop ? SERIAL_6N2 : SERIAL_6N1;
    } else if (dataBits == 7) {
        if (strcmp(parity, "even") == 0) return twoStop ? SERIAL_7E2 : SERIAL_7E1;
        if (strcmp(parity, "odd") == 0)  return twoStop ? SERIAL_7O2 : SERIAL_7O1;
        return twoStop ? SERIAL_7N2 : SERIAL_7N1;
    } else { // default to 8 data bits
        if (strcmp(parity, "even") == 0) return twoStop ? SERIAL_8E2 : SERIAL_8E1;
        if (strcmp(parity, "odd") == 0)  return twoStop ? SERIAL_8O2 : SERIAL_8O1;
        return twoStop ? SERIAL_8N2 : SERIAL_8N1;
    }
}