//Node mcu 1.0

//Conexões do BMP280:
//VCC: 3.3V
//GND: GND
//SDA: A4
//SCL: A5
//
//Conexões do CCS811:
//VCC: 3.3V
//GND: GND
//SDA: A4 (compartilhado com o BMP280)
//SCL: A5 (compartilhado com o BMP280)

//SCL: D1 (Conexões do ESP)
//SDA: D2 (Conexões do ESP)


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


#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BMP280.h>
#include <Adafruit_CCS811.h>

const char *ssid = "IFSC";
const char *password = "campuschapeco";
const int http_port = 8080;
unsigned long tempoinicial=millis();
WiFiClient client;
Adafruit_BMP280 bmp;
Adafruit_CCS811 ccs;
int led = D3;


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

Serial.print("Tempo inicial "+String(tempoinicial));
  WiFi.mode(WIFI_OFF);
  delay(1000);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);Serial.println(".");
  Serial.print("Conectando...");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);Serial.print(".");}
    Serial.println ("");
    Serial.print ("Conectado a ");Serial.println (ssid);
    Serial.print (" endereço IP: ");Serial.println (WiFi.localIP ());
    Serial.print("MAC: ");
    Serial.println(WiFi.macAddress());   
    // Grava arquivo de login
    HTTPClient http;
    String Mac=WiFi.macAddress();    
    String postData = "MMac="+String(Mac);    
    http.begin(client,"http://mabel.migueldebarba.com.br/esp8266/login_insert.php");
    http.addHeader("Content-Type", "application/x-www-form-urlencoded");
    int httpCode = http.POST(postData);
    String payload = http.getString();
    Serial.println(httpCode);
    Serial.println(payload);
    http.end();



  if (!bmp.begin(0x76)) {
    Serial.println("Nao encontrou o sensor BMP280");
    while (1);
  }

  if (!ccs.begin()) {
    Serial.println("Nao encontrou o sensor CCS811");
    while (1);
  }
  pinMode(led, OUTPUT);
}

void loop() {
  
  digitalWrite(led,HIGH);
  // Leitura BMP280
  Serial.println("_________");

  float temperatura = bmp.readTemperature();
  float pressao = bmp.readPressure() / 100.0F;

  Serial.println("Temperatura: " + String(temperatura) + " °C");
  delay(100);

  // Seta dados pra calibração do CCS811
  ccs.setEnvironmentalData(temperatura, pressao);

  // Leitura CCS811
  if (ccs.available()) {
    if (!ccs.readData()) {
      uint16_t tvoc = ccs.getTVOC();
      uint16_t eCO2 = ccs.geteCO2();

      Serial.println("CO2: " + String(eCO2) + " Parte por milhao");

      Serial.println("Compostos Volateis totais: " + String(tvoc) + " Parte por bilhao");
    }
  }
  delay(1000); // delay final de 30 min (por depois)
  digitalWrite(led,LOW);
  delay(1000);
  Serial.println("");


 HTTPClient http;
    String Mac=WiFi.macAddress();    
    String postData = "MMac="+String(Mac)+"&SStemperatura="+String(temperatura)+"&SSpressao="+String(pressao)+"&SStvoc="+String(tvoc)+"&SSeCO2="+String(eCO2);    
    http.begin(client,"http://ptqa.migueldebarba.com.br/esp8266/piloto_insert.php");
    http.addHeader("Content-Type", "application/x-www-form-urlencoded");
    int httpCode = http.POST(postData);
    String payload = http.getString();
    Serial.println(httpCode);
    Serial.println(payload);
    http.end();
    delay(60000*random(13,18));  // Aguarda de 13 a 18 minutos
    unsigned long tempoatual=millis();
    unsigned long diftempo=tempoatual-tempoinicial;
    Serial.println("T.Inicial"+String(tempoinicial));
    Serial.println("T.Atual"+String(tempoatual));
    delay(5000);
    // Restart a cada TRES horas de millis()
    if (diftempo>10800000){

      ESP.restart();
      Serial.println("T.Inicial"+String(tempoinicial));
      Serial.println("T.Atual"+String(tempoatual));
      delay(5000);
    }

}