#ifndef __OLCB_NODEID_H__
#define __OLCB_NODEID_H__

#include <stdint.h>

class OLCB_NodeID {
  public:
  
  uint8_t val[6];
  uint16_t alias; //used by CAN and other buses.

  
  OLCB_NodeID() {
      alias = 0;
      val[0] = 0;
      val[1] = 0;
      val[2] = 0;
      val[3] = 0;
      val[4] = 0;
      val[5] = 0;
  }
  
  OLCB_NodeID(uint8_t b0, uint8_t b1, uint8_t b2, 
         uint8_t b3, uint8_t b4, uint8_t b5) {
      alias = 0;
      val[0] = b0;
      val[1] = b1;
      val[2] = b2;
      val[3] = b3;
      val[4] = b4;
      val[5] = b5;
  }
  
  void set(uint8_t b0, uint8_t b1, uint8_t b2, 
         uint8_t b3, uint8_t b4, uint8_t b5) {
      alias = 0; //have to reset alias!
      val[0] = b0;
      val[1] = b1;
      val[2] = b2;
      val[3] = b3;
      val[4] = b4;
      val[5] = b5;
  }
  
  bool operator==(const OLCB_NodeID &other) const
  { 
    //first, check the aliases. Only pay them heed if they both are non-zero.
    if(alias && other.alias)
    {
//      Serial.println("==: comparing aliases");
//      Serial.println(alias,DEC);
//      Serial.println(other.alias, DEC);
//      Serial.println(alias==other.alias, DEC);
      return (alias==other.alias); //same alias, same NID. Effectively.
    }
    //if one or both aliases are zero, compare the NID itself. Aliases can't always be trusted :D
    else
    {
//       Serial.println("==: comparing NID directly");
//       Serial.println(val[0]==other.val[0], DEC);
//       Serial.println(val[1]==other.val[1], DEC);
//       Serial.println(val[2]==other.val[2], DEC);
//       Serial.println(val[3]==other.val[3], DEC);
//       Serial.println(val[4]==other.val[4], DEC);
//       Serial.println(val[5]==other.val[5], DEC);
    return  (val[0]==other.val[0])&&(val[1]==other.val[1])
          &&(val[2]==other.val[2])&&(val[3]==other.val[3])
          &&(val[4]==other.val[4])&&(val[5]==other.val[5]);
    }
  }
  
  bool operator!=(const OLCB_NodeID &other) const
  {
    return !(*this == other);
  }
  
  bool empty(void)
  {
    if(alias)
    {
      return false;
    }
    else if (val[0] || val[1] || val[2] || val[3] || val[4] || val[5])
    {
      return false;
    }

    return true;
  }

  /**
   * Check to see if this object is equal
   * to any in an array of OLCB_NodeIDs
   */
  OLCB_NodeID* findInArray(OLCB_NodeID* array, int len) {
      for (int i = 0; i<len; i++) {
          if (*this == *(array+i)) return array+i;
      }
      return 0;
  }
  
  void copy(OLCB_NodeID *src)
  {
    alias = src->alias;
    for (int i = 0; i<6; i++)
    {
      val[i] = src->val[i];
    }
  }
  
//  void print(void)
//  {
//    char id[] = "nid:   ";
//    Serial.print("alias: ");
//    Serial.println(alias,DEC);
//    Serial.print(id);
//    Serial.println(val[0],DEC);
//    Serial.print(id);
//    Serial.println(val[1],DEC);
//    Serial.print(id);
//    Serial.println(val[2],DEC);
//    Serial.print(id);
//    Serial.println(val[3],DEC);
//    Serial.print(id);
//    Serial.println(val[4],DEC);
//    Serial.print(id);
//    Serial.println(val[5],DEC);
//  }

};

#endif