#pragma once

/**
 * Ports provide communication with devices on the x86 IO bus.
 */
template <typename T, unsigned short port> struct Port {
  /**
   * Read value from port
   */
  static T
  in(unsigned short offset = 0)
  {
    if constexpr (sizeof(T) == sizeof(unsigned char)) return inb(port + offset);
    else if constexpr (sizeof(T) == sizeof(unsigned short))
      return inw(port + offset);
    else if constexpr (sizeof(T) == sizeof(unsigned int))
      return inl(port + offset);
  }

  /**
   * Write value to port
   */
  static void
  out(T val, unsigned short offset = 0)
  {
    if constexpr (sizeof(T) == sizeof(unsigned char)) outb(val, port + offset);
    else if constexpr (sizeof(T) == sizeof(unsigned short))
      outw(val, port + offset);
    else if constexpr (sizeof(T) == sizeof(unsigned int))
      outl(val, port + offset);
  }

};