#include <ArduinoJson.h>
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include "Esp.h"

const char* ssid = "unoffice";
const char* password = "15eb9a233199";

const char* host = "energymonitor.xyz";
String lineX="";


//*Inicialização de vars para conexão
HTTPClient http;
WiFiClient client;


void setup() {
  Serial.begin(115200);
  Serial.println();


  Serial.print("Connecting to ");
  Serial.println(ssid);


  WiFi.mode(WIFI_STA);
  if(WiFi.status() != WL_CONNECTED) {
    connectWiFi();
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

void loop() {
  if(WiFi.status() != WL_CONNECTED) {
    connectWiFi();
  }
    if(WiFi.status() == WL_CONNECTED) {
    httpget();
    delay(3000);
    Serial.println(lineX);
    //JSON
    delay(3000);
    //WORKING: parseJson("{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}");
    //NOT WORKING (below):
    parseJson(lineX);


  }

}


/*
 * connectWifi: Connect to WiFi and counterPanic
 */

void connectWiFi(void){
  int counterPanic = 0;
  while (WiFi.status() != WL_CONNECTED) {
    WiFi.begin(ssid, password);
    delay(3000);
    counterPanic++;
    Serial.println("Counter Panic:");
    Serial.println(counterPanic);
    if(counterPanic>8){
    ESP.restart();
    }
  }

}

/*
 * httpget
 */
void httpget(){

  int lineNo=0;
  const int httpPort = 80;
  //String url = "/feedback-esp3/fbdata3.json";
  String url = "/feedback-esp/fbdataino.json";
 if(WiFi.status() != WL_CONNECTED) {
    connectWiFi();
  }
  Serial.println("WiFi connected");


  // Use WiFiClient class to create TCP connections
  if (!client.connect(host, httpPort)) {
    Serial.println("Connection to HTTP: FAILED!");
    client.stop();
    delay(1000);
    ESP.restart();
  }else{
   client.print(String("GET ") + url + " HTTP/1.1\r\n" +
               "Host: " + host + "\r\n" +
               "Connection: close\r\n\r\n");
  delay(1000);
  Serial.println("Connection to HTTP: OK!");
  }

  // Read all the lines of the reply from server and print them to Serial
  while(client.available()){
    //lines[lineNo] = client.readStringUntil('\r');
    //lineNo=lineNo+1;
    lineX = client.readStringUntil('\n');
    //Serial.println(line);
  }
  Serial.println();
  Serial.println("closing connection");
  client.stop();


}


void parseJson(String lineX2){
  StaticJsonBuffer<500> jsonBuffer;
  JsonObject& root = jsonBuffer.parseObject(lineX2);

  if (!root.success()) {
    Serial.println("parseObject() failed");
    //return;
  }

  const char* sensor = root["sensor"];
  long time = root["time"];
  double latitude = root["data"][0];
  double longitude = root["data"][1];

  Serial.println(sensor);
  Serial.println(time);
  Serial.println(latitude, 6);
  Serial.println(longitude, 6);
}