#define echoPin D2 // Echo Pin
#define trigPin D8 // Trigger Pin
#include <IFTTTMaker.h>
#include <ESP8266WiFi.h>
#include <WiFiClientSecure.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

 LiquidCrystal_I2C lcd(0x27 ,16,2);
char ssid[] = "wifita01";
char password[] = "wifita01";
#define KEY "dmYoh0wL0dKi4XqXb7ThogE8mP6UV0W90Fhy9mL8wgO"
#define EVENT_NAME1 "RMH01"
#define EVENT_NAME2 "RMH02"
#define EVENT_NAME3 "RMH03"
#define EVENT_NAME4 "RMH04"
#define EVENT_NAME5 "RMH05"
WiFiClientSecure client;
IFTTTMaker ifttt(KEY, client);

long duration, distance;
int OutputD0 = D4;
int OutputA0 = A0;
int val;
float sensor;
unsigned long lastTime = 0;

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

  WiFi.mode(WIFI_STA);
  WiFi.disconnect();
  delay(100);

  Serial.print("Connecting Wifi: ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);

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

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

void setup()
{
Serial.begin (115200);
lcd.backlight();
lcd.begin ();
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
pinMode(OutputD0, INPUT);
pinMode(OutputA0, INPUT);

  lcd.clear();
  lcd.setCursor(0,0);lcd.print("Menunggu Wifi");
  lcd.setCursor(0,1);lcd.print("Terhubung ......");
  connectwifi();
  lcd.clear();
  lcd.setCursor(0,0);lcd.print("Koneksi Internet");
  lcd.setCursor(0,1);lcd.print("Telah Aktif ..!!");
  delay(5000);lcd.clear();

  lcd.clear();
  lcd.setCursor(0,0);lcd.print("REZA MUHAMAD");
  lcd.setCursor(0,1);lcd.print("NPM : 16304146");
  delay(2000);
}

void loop()
{
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = duration/58.2;
Serial.println(distance);

sensor = analogRead(OutputA0);
Serial.println(sensor);
val = digitalRead (OutputD0);

char value1[8];

dtostrf(distance, 6, 2, value1);

if (sensor <= 500)
  {
    delay(800);
      ifttt.triggerEvent(EVENT_NAME1,value1);
      delay(5000);
  }
else (sensor > 500)
    {
    delay(800);
      ifttt.triggerEvent(EVENT_NAME2,value1);
      delay(5000);
  }

if (distance <= 20)
   {
      delay(800);
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Daerah Ini");
      delay(800);
      lcd.setCursor(0,1);
      lcd.print("BANJIR ...!!!!");
      ifttt.triggerEvent(EVENT_NAME5);
      delay(5000);
  }
else if (distance > 20 && distance <= 40)
{
      delay(800);
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Ketinggian Air");
      delay(800);
      lcd.setCursor(0,1);
      lcd.print("TINGGI ....!!!!");
      ifttt.triggerEvent(EVENT_NAME4);
      delay(5000);
  }
  else
{
      delay(800);
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Ketinggian Air");
      delay(800);
      lcd.setCursor(0,1);
      lcd.print("NORMAL ...!!!!");
      ifttt.triggerEvent(EVENT_NAME3);
      delay(5000);
  }
}