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#include <SPI.h>
#include <Adafruit_Sensor.h>
#include "Adafruit_BME680.h"
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>
#include <InfluxDb.h>
#include <DallasTemperature.h>
#include <OneWire.h>
#include <SHT1x.h>
#include "PubSubClient.h"

// Data wire is connected to GPIO15
#define ONE_WIRE_BUS 15
#define INFLUXDB_HOST "192.168.0.xx"          // Mettre l'adresse ip d influxdb
#define INFLUXDB_USER "user_meteo"          // Mettre l'utilisateur d influxdb
#define INFLUXDB_PASS "xxxxxxxxxxx"             // Mettre le passe influxdb
#define dataPin  12  // NodeMCU pin D6 pour sht1x
#define clockPin 14  // NodeMCU pin D5 pour sht1x

SHT1x sht1x(dataPin, clockPin); // instantiate SHT1x object

// GPIO where the DS18B20 is connected to
const int oneWireBus = 15;    // pin D8 pour DS18B20

//////////////////////////////////////////
const char* mqtt_server = "192.168.0.xxxxxx";                       // Adr de serveur mosquitto
//const char* mqtt_user = "admin";                               // login sur serveur mosquitto
//const char* mqtt_password = "xxxxxxxxxxx";                // Passe sur serveur mosquitto
char msg_envoye[50];
char ch_result[10];
const char* ssid = "xxxxxx                                         // Mettre le SSID de votre connection wifi
const char* password = "xxxxxxxx";                          // Mettre le passe de votre connection wifi

WiFiClient espClient; // déclaration Objet wifi
PubSubClient client(espClient); // déclaration objet mosquitto
unsigned long lastMsg = 0;
#define MSG_BUFFER_SIZE  (50)
char msg[MSG_BUFFER_SIZE];
char msg1[MSG_BUFFER_SIZE];
char msg2[MSG_BUFFER_SIZE];
char msg3[MSG_BUFFER_SIZE];
char msg4[MSG_BUFFER_SIZE];
char msg5[MSG_BUFFER_SIZE];
int value = 0;
void setup_wifi() {
  delay(10);
  // We start by connecting to a WiFi network
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);

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

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

void callback(char* topic, byte* payload, unsigned int length) {
  Serial.print("Message arrived [");
  Serial.print(topic);
  Serial.print("] ");
  for (int i = 0; i < length; i++) {
    Serial.print((char)payload[i]);
  }
  Serial.println();

  // Switch on the LED if an 1 was received as first character
  if ((char)payload[0] == '1') {
    digitalWrite(BUILTIN_LED, LOW);   // Turn the LED on (Note that LOW is the voltage level
    // but actually the LED is on; this is because
    // it is active low on the ESP-01)
  } else {
    digitalWrite(BUILTIN_LED, HIGH);  // Turn the LED off by making the voltage HIGH
  }
}

void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    // Create a random client ID
    String clientId = "ESP8266Client-";
    clientId += String(random(0xffff), HEX);
    // Attempt to connect
    if (client.connect(clientId.c_str())) {
      Serial.println("connected");
      // Once connected, publish an announcement...
      client.publish("outTopic", "hello world");
      // ... and resubscribe
      client.subscribe("inTopic");
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}
////////////////////////////////////////////
// Setup a oneWire instance to communicate with any OneWire devices
OneWire oneWire(oneWireBus);

// Pass our oneWire reference to Dallas Temperature sensor 
DallasTemperature sensors(&oneWire);

int temint;
int humi;
int pressi;
int gasres;
ESP8266WiFiMulti WiFiMulti;
Influxdb influx(INFLUXDB_HOST);
 
Adafruit_BME680 bme; // I2C

void setup() {
  Serial.println(" ### Hello ###");
  pinMode(BUILTIN_LED, OUTPUT);     // Initialize the BUILTIN_LED pin as an output
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  client.setCallback(callback);

  influx.setDbAuth("Test01", INFLUXDB_USER, INFLUXDB_PASS);
  Serial.println("Setup done");
  
  while (!Serial);
  Serial.println(F("BME680 test"));
 
  if (!bme.begin(0x76)) 
  {
    Serial.println("Could not find a valid BME680 sensor, check wiring!");
    while (1);
  }
 
  // Set up oversampling and filter initialization
  bme.setTemperatureOversampling(BME680_OS_8X);
  bme.setHumidityOversampling(BME680_OS_2X);
  bme.setPressureOversampling(BME680_OS_4X);
  bme.setIIRFilterSize(BME680_FILTER_SIZE_3);
  bme.setGasHeater(320, 150); // 320*C for 150 ms

 }
void loop() {
  if (! bme.performReading()) 
  {
    Serial.println("Failed to perform reading :(");
    return;
  }
  temint = bme.temperature;
  humi = bme.humidity;
  pressi = bme.pressure / 100.0;
  gasres = bme.gas_resistance / 1000.0;
 
  Serial.print("Temperature = ");
  Serial.print(bme.temperature);
  Serial.println(" *C");
 
  Serial.print("Pressure = ");
  Serial.print(bme.pressure / 100.0);
  Serial.println(" hPa");
 
  Serial.print("Humidity = ");
  Serial.print(bme.humidity);
  Serial.println(" %");
 
  Serial.print("Gas = ");
  Serial.print(bme.gas_resistance / 1000.0);
  Serial.println(" KOhms");
 
  sensors.requestTemperatures(); 
  float temperatureC = sensors.getTempCByIndex(0);
  Serial.print("Temp sonde = ");
  Serial.print(temperatureC);
  Serial.println(" ºC");

  float temp_terre;
  float humidity_terre;

  temp_terre = sht1x.readTemperatureC(); // Read values from the sensor
  humidity_terre = sht1x.readHumidity();

  Serial.print("Temperature terre: "); // Print the values to the serial port
  Serial.print(temp_terre, DEC);
  Serial.print(" °C");
  
  Serial.print("Humidité terre = ");
  Serial.print(humidity_terre);
  Serial.println(" % /n");

  InfluxData row("temperature");
  row.addValue("htemperature", bme.temperature - 1);
  row.addValue("Pression", bme.pressure / 100.0);
  row.addValue("Humidite", bme.humidity);
  row.addValue("Gas", bme.gas_resistance / 1000.0);
  row.addValue("dtemperature", temperatureC);
  row.addValue("temp_terre", temp_terre);
  row.addValue("humidity_terre", humidity_terre);
  
  influx.write(row);
  Serial.println("Setup done");

  pinMode(BUILTIN_LED, OUTPUT);     // Initialize the BUILTIN_LED pin as an output
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  client.setCallback(callback);

  if (!client.connected()) {
    reconnect();
  }
  client.loop();
  unsigned long now = millis();
  if (now - lastMsg > 2000) {
    lastMsg = now;
    ++value;
    snprintf (msg, MSG_BUFFER_SIZE, "%.2f ", bme.temperature - 1);
    Serial.print("Publish message: ");
    Serial.println(msg);
    client.publish("sensor/temperature", msg);

    snprintf (msg1, MSG_BUFFER_SIZE, "%.2f", bme.humidity);
    Serial.print("Publish message1: ");
    Serial.println(msg1);
    client.publish("sensor/humidite", msg1);
    
        snprintf (msg2, MSG_BUFFER_SIZE, "%.2f ", bme.pressure / 100.0);
    Serial.print("Publish message2: ");
    Serial.println(msg2);
    client.publish("sensor/pression", msg2);

     snprintf (msg3, MSG_BUFFER_SIZE, "%.2f ", bme.gas_resistance / 1000.0);
    Serial.print("Publish message3: ");
    Serial.println(msg3);
    client.publish("sensor/gas", msg3);

     snprintf (msg4, MSG_BUFFER_SIZE, "%.2f ", temp_terre);
    Serial.print("Publish message4: ");
    Serial.println(msg4);
    client.publish("sensor/temp_terre", msg4);

     snprintf (msg5, MSG_BUFFER_SIZE, "%.2f ", humidity_terre);
    Serial.print("Publish message5: ");
    Serial.println(msg5);
    client.publish("sensor/humidity_terre", msg5);
  }
  delay(5000);
}