#include "inputs.h"
#include "aJSON.h"
#include "item.h"
#include <PubSubClient2.h>

extern PubSubClient client;

Input::Input(char * name) //Constructor
{
  if (name) 
       inputObj= aJson.getObjectItem(inputs, name);
  else inputObj=NULL;
    
     Parse();  
}


Input::Input(int pin) //Constructor
{
 // TODO
}


 Input::Input(aJsonObject * obj) //Constructor
{ 
  inputObj= obj;  
  Parse();
    
}


boolean Input::isValid ()
{
 return  (pin && store); 
}

void Input::Parse()
{ 
   store         = NULL;
   inType        = 0;
   pin           = 0; 
  
  if (inputObj && (inputObj->type==aJson_Object))
  {
  aJsonObject * s;
  
  s             = aJson.getObjectItem(inputObj,"T");  
  if (s) inType = s->valueint;
  
  pin           = atoi(inputObj->name);

  
  s             = aJson.getObjectItem(inputObj,"S");
  if (!s)     { Serial.print("In: ");Serial.print(pin);Serial.print("/");Serial.println(inType);
                aJson.addNumberToObject(inputObj,"S", 0);
                s = aJson.getObjectItem(inputObj,"S");
                }

  if (s)        store= (inStore *) &s->valueint;
  }
}

int Input::Pool ()
{ 
  boolean v;
  if (!isValid()) return -1;

  
  if (inType & IN_ACTIVE_HIGH) 
      {   pinMode(pin, INPUT);    
        v = (digitalRead(pin)==HIGH); 
      } 
        else 
      {   pinMode(pin, INPUT_PULLUP);    
        v = (digitalRead(pin)==LOW);
      }  
  if (v!=store->cur) // value changed 
      {
            if (store->bounce) store->bounce--;  
               else //confirmed change
               {
                Changed(v);
                store->cur=v;
               }
      }
  else // no change 
      store->bounce=3;         
 return  0; 
}

void Input::Changed (int val)
{
  Serial.print(pin);Serial.print("=");Serial.println(val); 
  aJsonObject * item = aJson.getObjectItem(inputObj,"item");  
  aJsonObject * scmd = aJson.getObjectItem(inputObj,"scmd");
  aJsonObject * rcmd = aJson.getObjectItem(inputObj,"rcmd");   
  aJsonObject * emit = aJson.getObjectItem(inputObj,"emit");    

  if (emit)
  {

  if (val)
            {  //send set command
               if (scmd) client.publish(emit->valuestring,scmd->valuestring); else client.publish(emit->valuestring,"ON");
            }
       else
            {  //send reset command
              if (rcmd) client.publish(emit->valuestring,rcmd->valuestring); else client.publish(emit->valuestring,"OFF");   
            } 
  }

  if (item)
  {
  Item it(item->valuestring);
  if (it.isValid())
      {
       if (val)
            {  //send set command
               if (scmd) it.Ctrl(txt2cmd(scmd->valuestring),0,NULL,true); else it.Ctrl(CMD_ON,0,NULL,true);
            }
       else
            {  //send reset command
               if (rcmd) it.Ctrl(txt2cmd(scmd->valuestring),0,NULL,true); else it.Ctrl(CMD_OFF,0,NULL,true);    
            }
      }
  }
}