#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266HTTPClient.h>

const char *ssid = "IFSC";
const char *password = "campuschapeco";
const int http_port = 8080;

int httpCode;
String payload;
int valorpot = 0;

WiFiClient client;

#define pushAlunoUM 13     // D7
#define pushAlunoDOIS 15   // D8

void setup() {

  pinMode(pushAlunoUM, INPUT);
  pinMode(pushAlunoDOIS, INPUT);

  Serial.begin(115200);

  delay(1000);

  WiFi.mode(WIFI_OFF);
  delay(1000);

  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);

  Serial.print("Conectando");

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi conectado!");
  Serial.print("IP: ");
  Serial.println(WiFi.localIP());

  Serial.print("MAC: ");
  Serial.println(WiFi.macAddress());
}

void envia(String postData) {

  HTTPClient http;

  http.begin(client, "http://projeto4.migueldebarba.com.br/grupoc/laura/insertleitura.php");

  http.addHeader("Content-Type", "application/x-www-form-urlencoded");

  httpCode = http.POST(postData);

  payload = http.getString();

  Serial.println("httpCode: " + String(httpCode));
  Serial.println("payload: " + payload);

  http.end();
}

void loop() {

  if (digitalRead(pushAlunoUM) == HIGH) {

    String mac_idmac = WiFi.macAddress();
    int sensor_idsensor = 80;
    int aluno_idaluno = 119;
    int valorpot = analogRead(A0);
    String from = "ESP";

    String postData =
      "mac_idmac=" + mac_idmac +
      "&valorpot=" + String(valorpot) +
      "&sensor_idsensor=" + String(sensor_idsensor) +
      "&aluno_idaluno=" + String(aluno_idaluno) +
      "&from=" + from;

    Serial.println("Enviando...");
    Serial.println(postData);

    envia(postData);

    delay(500);
  }
}