#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <ESP8266WiFi.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>



char ssid[] = "Redmi";
char password[] = "qwerty123";

#define BOTtoken "838984089:AAF8xrQ-EDyM1JnscPI12tMDyhbmy5xifTA"
#define chat_id "464985094"

LiquidCrystal_I2C lcd(0x27, 16,2);
const int AOUTpin=A0;
const int DOUTpin=D8;
int ledPin=D9;
int ledPin2=D10;
int value;
int limit;
float kadar;

WiFiClientSecure client;
UniversalTelegramBot bot(BOTtoken, client);

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.begin();
  lcd.backlight();
  lcd.setCursor(0,0);lcd.print("Menghubungkan");
  lcd.setCursor(0,1);lcd.print("ke Jaringan...");
  connectwifi();
  lcd.clear();
  digitalWrite(ledPin, HIGH);

  delay(1000);
  pinMode(ledPin, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  lcd.setCursor(0,0);lcd.print("Terhubung ke");
  lcd.setCursor(0,1);lcd.print("Jaringan Anda");
  delay(2500);lcd.clear();
  bot.sendMessage(chat_id, "Sistem Pendeteksi Kadar Alkohol Sudah Terhubung Dengan Telegram Anda.", "");
  lcd.setCursor(0,0);lcd.print("Alat Memulai");
  lcd.setCursor(0,1);lcd.print("Mendeteksi");
  delay(2500);lcd.clear();
}

void loop() {
  value= analogRead(AOUTpin);
  limit= digitalRead(DOUTpin);
  kadar= value*(5.0/1023.0);
  delay (100);
  Serial.print("Alcohol value: ");
  Serial.println(value);
  Serial.print("Limit: ");
  Serial.print(limit);
  lcd.setCursor(0,0);lcd.print("Kadar : ");lcd.print(kadar);lcd.print("mg/L");
  digitalWrite(ledPin, HIGH);

  if (kadar <=2.0){
    //bot.sendMessage(chat_id, "Status : Aman ", "");
    lcd.setCursor(0,1);lcd.print("Status: ");lcd.print("Aman  ");
    digitalWrite(ledPin, HIGH);
    digitalWrite(ledPin2, LOW);
    delay(10000);
  }
  else if(kadar >2.0){
    bot.sendMessage(chat_id, "Status : Bahaya ", "");
    lcd.setCursor(0,1);lcd.print("Status: ");lcd.print("Bahaya  ");
    digitalWrite(ledPin, LOW);
    digitalWrite(ledPin2, HIGH);
    delay(10000);
  }
}