#include "CayenneDefines.h"
#include "BlynkSimpleEsp8266.h"
#include "CayenneWiFiClient.h"
#include "ESP8266WiFi.h"
#include "DHT.h"
#include "Adafruit_Sensor.h"
#include "DHT_U.h"

#define DHTTYPE DHT11   // DHT 11
#define DHTPIN D5   // DHT 11
DHT_Unified dht(DHTPIN, DHTTYPE);

WiFiClient client;

// Cayenne authentication token. This should be obtained from the Cayenne Dashboard.
char token[] = "CAYENNE_TOKEN";
char ssid[] = "YOUR_SSID";
char password[] = "YOUR_SSID_PASSWORD";

// ThingSpeak variables
const int channelID = TS_CHANNEL_ID; // write ThingSpeak channel ID
String writeAPIKey = "TS_API_KEY"; // write API key for your ThingSpeak Channel
const char* server = "api.thingspeak.com";
const int delayLength = 1000;

int count = 0; // for determining when to post to TS
float t = 0; // Temperature
float h = 0; // Humidity



void setup(){
  pinMode(D5, INPUT); 
  dht.begin();
  Serial.begin(9600);
  Cayenne.begin(token, ssid, password);
}

void loop() {
  count++;
  Cayenne.run();
  sensors_event_t event;
  if(count % 5 == true) {
  dht.humidity().getEvent(&event);
  h = event.relative_humidity;
  dht.temperature().getEvent(&event);
  t = event.temperature;
  
  CayWrite(V0, t);
  CayWrite(V1, h);
  Serial.print("Cayenne write... ");
  }
  

     
  if(count == 30) {
    if (client.connect(server, 80)) {
    // Construct API request body
    String body = "field1=";
           body += String(t);
           body +="&field2=";
           body += String(h);

    client.print("POST /update HTTP/1.1\n");
    client.print("Host: api.thingspeak.com\n");
    client.print("Connection: close\n");
    client.print("X-THINGSPEAKAPIKEY: " + writeAPIKey + "\n");
    client.print("Content-Type: application/x-www-form-urlencoded\n");
    client.print("Content-Length: ");
    client.print(body.length());
    client.print("\n\n");
    client.print(body);
    client.print("\n\n");
    Serial.print("ThingSpeak write... ");
    client.stop();
    }
  count = 0;
 }
  Serial.print(count);
  Serial.print(" T: ");
  Serial.print(t); 
  Serial.print(" | H: ");
  Serial.println(h);
  
  delay(delayLength);
}

int CayWrite(char w, char z) {
  Cayenne.virtualWrite(w, z);
}