#include <WiFi.h>
#include <HTTPClient.h>

// Replace with your network credentials
const char* ssid     = "network";
const char* password = "123456789";

// Update HOST URL here

#define HOST "safetyhelmetiot.000webhostapp.com"          // Enter HOST URL without "http:// "  and "/" at the end of URL
// Declare global variables which will be uploaded to server

int humidity = 0;
int temp = 0;
int gas = 0;
int pressure = 0;
int hr = 0;
int o_r = 0;
int gpslat = 0;
int gpslon = 0;

String sendhumidity, sendtemp, sendgas, sendpressure, sendhr, sendo_r, sendgpslat, sendgpslon, postData;


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

  WiFi.begin(ssid, password);
  Serial.println("Connecting");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected to WiFi network with IP Address: ");
  Serial.println(WiFi.localIP());
}

void loop() {
  HTTPClient http;    // http object of clas HTTPClient

  // Convert integer variables to string
  sendhumidity  = String(100);
  sendtemp  = String(20);
  sendgas  = String(1503);
  sendpressure  = String(1224);
  sendhr  = String(85);
  sendo_r  = String(96);
  sendgpslat = String("7.12654");
  sendgpslon = String("8.12356");

  postData = "sendhumidity=" + sendhumidity + "&sendtemp=" + sendtemp + "&sendgas=" + sendgas + "&sendpressure=" + sendpressure + "&sendhr=" + sendhr + "&sendo_r=" + sendo_r + "&sendgpslat=" + sendgpslat + "&sendgpslon=" + sendgpslon;


  http.begin("http://safetyhelmetiot.000webhostapp.com/dbwrite.php");   // Connect to host where MySQL databse is hosted
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");      //Specify content-type header



  int httpCode = http.POST(postData);   // Send POST request to php file and store server response code in variable named httpCode

  // if connection eatablished then do this
  if (httpCode == 200) {
    Serial.println("Values uploaded successfully."); Serial.println(httpCode);
    String webpage = http.getString();    // Get html webpage output and store it in a string
    Serial.println(webpage + "\n");
  }

  // if failed to connect then return and restart

  else {
    Serial.println(httpCode);
    Serial.println("Failed to upload values. \n");
    http.end();
    return;
  }

  delay(3000);

}