#include <ESP8266WiFi.h>
#include "DHT.h"
#include <OneWire.h> 
#include <DallasTemperature.h> 

 
//AP definitions - update this
#define AP_SSID     "Windows Phone6885"
#define AP_PASSWORD "yoohoooo"

// EasyIoT Cloud definitions - change EIOT_CLOUD_TEMP_INSTANCE_PARAM_ID and EIOT_CLOUD_HUM_INSTANCE_PARAM_ID
#define EIOT_CLOUD_TEMP_INSTANCE_PARAM_ID    "5719dfa4c943a0182f6c0b4b/ajL9nyaYbuZBu7eF"
#define EIOT_CLOUD_HUM_INSTANCE_PARAM_ID     "5719dfa4c943a0182f6c0b4b/WcGJGNP45vVHiwto"
#define EIOT_CLOUD_MAX_INSTANCE_PARAM_ID      "5719dfa4c943a0182f6c0b4b/8pB7wSIGBZWZEC0J"
#define REPORT_INTERVAL 60 // in sec


#define EIOT_CLOUD_ADDRESS     "cloud.iot-playground.com"
#define EIOT_CLOUD_PORT        40404



#define DHT22_PIN 4  // DHT22 pin
#define ONE_WIRE_BUS 2 // one wire bus pin

OneWire oneWire(ONE_WIRE_BUS); 
DallasTemperature DS18B20(&oneWire); 
DallasTemperature sensors(&oneWire);


 

float oldTemp;
float oldHum;
float oldMax;

DHT dht;


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

  Serial.println();
  Serial.println("Status\tHumidity (%)\tTemperature (C)\t(F) \t Maxim Sensor Temperature (C)");

  dht.setup(DHT22_PIN); // data pin 2
  DeviceAddress Probe02 = { 0x28, 0x8B, 0x77, 0x3E, 0x07, 0x00, 0x00, 0x17 };
  
  oldTemp = -1;
  oldHum = -1;
  oldMax = -1;
}

void loop() {


  
  delay(500);
  
  float hum = dht.getHumidity();
  float temp = dht.getTemperature();
  float maximtemp;
  
  DS18B20.requestTemperatures();  
  maximtemp = DS18B20.getTempCByIndex(0);
  Serial.print("The maxim temperature sensor reading is: ");
  Serial.print(maximtemp);
   
  Serial.print(dht.getStatusString());
  Serial.print("\t");
  Serial.print(hum, 1);
  Serial.print("\t\t");
  Serial.print(temp, 1);
  Serial.print("\t\t");
  Serial.println(dht.toFahrenheit(temp), 1);

  if (temp != oldTemp)
  {
    sendDHTTemp(temp);
    oldTemp = temp;
  }

  if (hum != oldHum)
  {
    sendDHTHumidity(hum);
    oldHum = hum;
  }
  
  if (maximtemp != oldMax)
  {
    sendMAXItemp(maximtemp);
    oldMax = maximtemp;
  }
  

  int cnt = REPORT_INTERVAL;
  
  while(cnt--)
    delay(1000);
}

void wifiConnect()
{
    Serial.print("Connecting to AP");
    WiFi.begin(AP_SSID, AP_PASSWORD);
    while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.print(".");
  }
  
  Serial.println("");
  Serial.println("WiFi connected");  
}

void sendDHTTemp(float temp)
{  
   WiFiClient client;
   
   while(!client.connect(EIOT_CLOUD_ADDRESS, EIOT_CLOUD_PORT)) {
    Serial.println("connection failed");
    wifiConnect(); 
  }

  String url = "";
  // URL: /RestApi/SetParameter/[instance id]/[parameter id]/[value]
  url += "/RestApi/SetParameter/"+ String(EIOT_CLOUD_TEMP_INSTANCE_PARAM_ID) + "/"+String(temp); // generate EasIoT cloud update parameter URL

  Serial.print("POST data to URL: ");
  Serial.println(url);
  
  client.print(String("POST ") + url + " HTTP/1.1\r\n" +
               "Host: " + String(EIOT_CLOUD_ADDRESS) + "\r\n" + 
               "Connection: close\r\n" + 
               "Content-Length: 0\r\n" + 
               "\r\n");

  delay(100);
    while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
  
  Serial.println();
  Serial.println("Connection closed");
}

void sendMAXItemp(float maximtemp)
{  
   WiFiClient client;
   
   while(!client.connect(EIOT_CLOUD_ADDRESS, EIOT_CLOUD_PORT)) {
    Serial.println("connection failed");
    wifiConnect(); 
  }

  Serial.print("now posting maxim sensor data");
  String url = "";
  // URL: /RestApi/SetParameter/[instance id]/[parameter id]/[value]
  url += "/RestApi/SetParameter/"+ String(EIOT_CLOUD_MAX_INSTANCE_PARAM_ID) + "/"+String(maximtemp); // generate EasIoT cloud update parameter URL

  Serial.print("POST data to URL: ");
  Serial.println(url);
  
  client.print(String("POST ") + url + " HTTP/1.1\r\n" +
               "Host: " + String(EIOT_CLOUD_ADDRESS) + "\r\n" + 
               "Connection: close\r\n" + 
               "Content-Length: 0\r\n" + 
               "\r\n");

  delay(100);
    while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
  
  Serial.println();
  Serial.println("Connection closed");
}


void sendDHTHumidity(float hum)
{  
   WiFiClient client;
   
   while(!client.connect(EIOT_CLOUD_ADDRESS, EIOT_CLOUD_PORT)) {
    Serial.println("connection failed");
    wifiConnect(); 
  }

  String url = "";
  // URL: /RestApi/SetParameter/[instance id]/[parameter id]/[value]
  url += "/RestApi/SetParameter/"+ String(EIOT_CLOUD_HUM_INSTANCE_PARAM_ID) + "/"+String(hum); // generate EasIoT cloud update parameter URL

  Serial.print("POST data to URL: ");
  Serial.println(url);
  
  client.print(String("POST ") + url + " HTTP/1.1\r\n" +
               "Host: " + String(EIOT_CLOUD_ADDRESS) + "\r\n" + 
               "Connection: close\r\n" + 
               "Content-Length: 0\r\n" + 
               "\r\n");

  delay(100);
    while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
  
  Serial.println();
  Serial.println("Connection closed");
}