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

int RMSextIdx = 0;
int RMS_NbCx[1] = {0};
int RMS_Note[1] = {0};

#include <WiFi.h>
//const char *ServerTest = "google.fr";
//uint16_t portTest = 80;
const char *ServerTest = "fr.pool.ntp.org";
uint16_t portTest = 80;

void setup() {
  Serial.begin(115200);
  Serial.print("Connecting to WiFi");
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(250);
    Serial.print(".");
  }
  Serial.println(" Connected!");
  WiFiClient WC;  // WiFiClient is a wrong name for class, that work also for EthernetClient ?
  bool internetAccess = false;
  for (int i=0; i<3; i++ ) {   // on test un certain nomnre de fois si on a echec
    if (WC.connect(ServerTest,portTest)) {
      Serial.printf("access to %s on port %d\n",ServerTest,portTest);
      WC.stop();  // nothing more
      internetAccess = true;
      break;  // casse la boucle for
    } else {
      Serial.printf("Not access to %s on port %d\n",ServerTest,portTest);
    }
  }
  Serial.println(String("We") + (internetAccess ? "" : " don't") + " have access to web");
  Serial.println("That's all !");
}


void loop() {
  Serial.println(getPayloadhttp("http://www.google.fr", "/index.html", 80, false));
  delay(60000); // TODO: Build something amazing!
}


//retourne le resultat d'une requette http get ou chaine vide si probleme
//String getPayloadhttp(String host, String url, uint16_t port = 80, bool note = false) {
String getPayloadhttp(String host, String url, uint16_t port, bool note) {  // default values for optional parameter are set in declaration of function
  uint32_t tmo1 = 3000;  // timeOut premier essai de connexion
  uint32_t tmo2 = 3000;  // timeOut second essai de connexion
  uint32_t tmo3 = 5000;  // timeOut attente reception premier caractere
  uint32_t tmo4 = 5000;  // timeOut reception entiereté du paquet
  uint32_t tempo1 = 500; // delay entre 2 essais de connexion
  uint32_t tempo2 = 100; // delay après client Stop sur echec de connexion
  uint32_t tempo3 = 100; // delay après client Stop sur echec reception premier caractere
  String S = "";
  WiFiClient client; // Use WiFiClient class to create TCP connections
  if (note && RMS_NbCx[RMSextIdx] < 100) RMS_NbCx[RMSextIdx]++;
  if (!client.connect(host.c_str(), port, tmo1)) {
    delay(tempo1);
    if (!client.connect(host.c_str(), port, tmo2)) {
      client.stop();
      delay(tempo2);
      Serial.println("Connection to " + host + " failed to get : " + url);
      if (note && RMS_Note[RMSextIdx] > 0) RMS_Note[RMSextIdx]--;
      return String();
    }
  }
  client.print(String("GET ") + url + " HTTP/1.1\r\n" + "Host: " + host + "\r\n" + "Connection: close\r\n\r\n");
  uint32_t timeout = millis();
  while (client.available() == 0) {
    if (millis() - timeout > tmo3) {
      client.stop();
      delay(tempo3);
      Serial.println("client ESP_RMS Timeout !" + host + " " + url);      
      if (note && RMS_Note[RMSextIdx] > 0) RMS_Note[RMSextIdx]--;
      return String();
    }
  }
  timeout = millis();
  while (client.available() && (millis() - timeout < tmo4)) {// Lecture des données brutes distantes
    //S += client.readStringUntil('\r');
    S += client.read();
  }
  if (S.indexOf("\r") > 0) {
    log_e("Message reçu !%s! a raccourcir", S.c_str());
    S = S.substring(0,S.indexOf("\r")); // on a recu le paquet qui se termine par \r\n, on supprime la fin
  } else {
    log_e("Message reçu !%s! Ok", S.c_str());
  }
  client.clear();
  client.stop();
  return S;
}