#include "ArduinoJson.h"

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Setup finished");
}

void loop() {

  Serial.println("Simple element serialization: ");
  const size_t CAPACITY = JSON_OBJECT_SIZE(3);  
  StaticJsonDocument<CAPACITY> docSimple;
  String simpleJsonStr;
  docSimple["A0"] = 23;
  docSimple["A1"] = 232;
  docSimple["A3"] = 978;
  serializeJson(docSimple, simpleJsonStr);
  Serial.println(simpleJsonStr); // {"A0":23,"A1":232,"A3":978}
  Serial.println("****************"); 

  Serial.println("Array elements serialization: "); 
  const size_t capacity = JSON_ARRAY_SIZE(3) + 3*JSON_OBJECT_SIZE(2);
  StaticJsonDocument<capacity> doc;
  JsonObject obj = doc.createNestedObject();
  obj["pin"] = "A0";
  obj["value"] = 23;
  obj = doc.createNestedObject();
  obj["key"] = "A1";
  obj["value"] = 232;
  obj = doc.createNestedObject();
  obj["key"] = "A3";
  obj["value"] = 978;
  String ArrayJsonStr;
  serializeJson(doc, ArrayJsonStr);
  Serial.println(ArrayJsonStr);  
  Serial.println("--------------");
  Serial.println("--------------");
  
  
  

  Serial.println("Simple element deserialization: ");
  Serial.println("Source: "+simpleJsonStr);
  const int capacitySimpleDes = 2*JSON_OBJECT_SIZE(3);
  StaticJsonDocument<capacitySimpleDes> docSimpleDes;
  DeserializationError err = deserializeJson(docSimpleDes, simpleJsonStr);
  if (err) {
	Serial.print(F("deserializeJson() failed with code "));
	Serial.println(err.f_str());
  }
  int a=docSimpleDes["A0"];
  Serial.println("A0 je "+String(a));



  
String arrayJsonStr=R"([{"pin":"A0","value":23},{"pin":"A1","value":232},{"pin":"A3","value":978}])";
Serial.println("Nested elements deserialization: ");
Serial.println("Source: "+arrayJsonStr);
const int capacityNestedDes = JSON_ARRAY_SIZE(3) + JSON_OBJECT_SIZE(3)*2;
StaticJsonDocument<capacityNestedDes> docNestedDes;
DeserializationError NestErr = deserializeJson(docNestedDes, arrayJsonStr);
if (err) {
	Serial.print(F("deserializeJson() failed with code "));
	Serial.println(NestErr.f_str());
}
int val=docNestedDes[1]["value"];
String pin=docNestedDes[1]["pin"];
Serial.println(pin);
Serial.println(val);
JsonObject jObj = docNestedDes[0];
Serial.println(String("On pin ")+jObj["pin"].as<String>()+String(" is value ")+jObj["value"].as<String>());


  



/*
  //ak nie su zname parametre:
  Serial.println("Zistovanie klucov a hodnot:");
  JsonObject objSimpleDes = docSimpleDes.as<JsonObject>();
  for (JsonPair p : objSimpleDes) {
    const char* key=p.key().c_str();
    auto v = p.value().as<const char*>();
    Serial.println(String(key));
    //Serial.println(p.value()); 
    //Serial.println(v);
  }
  */

  delay(1000);


  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}