#include <LiquidCrystal_I2C.h>
#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>
#define ECHO_PIN 2
#define TRIG_PIN 4
#define buzzer 4
#define ledmerah 14
#define ledkuning 12
#define ledhijau 27

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
#define BOT_TOKEN "6615261736:AAEQGpcZkXV8Z_dJWmbRxb-cOwJaS4ZfIew"
#define CHAT_ID "6242476867"
const unsigned long BOT_MTBS = 1000;
unsigned long bot_lasttime;


WiFiClientSecure secured_client;
UniversalTelegramBot bot (BOT_TOKEN, secured_client);
LiquidCrystal_I2C lcd(0x27,20,4);

int kirim;
int kdlm = 0;

void setup() {
  Serial.begin(115200);
  while (!Serial)
  delay(500);
  Serial.print("CONNECTING TO: ");
  Serial.print(WIFI_SSID);
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  secured_client.setCACert(TELEGRAM_CERTIFICATE_ROOT);
  while (WiFi.status() != WL_CONNECTED)
  {
    Serial.print(".");
    delay(500);
  }
  Serial.println("");
  Serial.println("WIFI CONNECTED");
  pinMode(ledmerah, OUTPUT);
  pinMode(ledkuning, OUTPUT);
  pinMode(ledhijau, OUTPUT);
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  pinMode(buzzer, OUTPUT);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("Project Tambak");
  lcd.setCursor(5,1);
  lcd.print("oleh");
  delay(2000);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print(" Sahlan ");
  lcd.setCursor(0,1);
  lcd.print(" Project IoT ");
  delay(3000);
  digitalWrite(ledmerah, LOW);
  digitalWrite(ledkuning, LOW);
  digitalWrite(ledhijau, LOW);
  digitalWrite(buzzer, LOW);
  lcd.clear();
 }

 float kedalaman(){
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int durasi = pulseIn(ECHO_PIN, HIGH);
  return 400-durasi*0.034/2;
  }



void loop() {
  if(kirim == 1){
  bot.sendMessage(CHAT_ID, kdlm);
  kirim = 0;
  }
  int kdlm = kedalaman();
 if(kdlm >= 0 && kdlm <= 100)
 {
    kirim = 1;
    digitalWrite(ledmerah, HIGH);
    digitalWrite(ledkuning, LOW);
    digitalWrite(ledhijau, LOW);
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Tinggi :");
    lcd.setCursor(10,0);
    lcd.print(kdlm);
    lcd.setCursor(14,0);
    lcd.print("cm");
    lcd.setCursor(0,1);
    lcd.print("Satus :");
    lcd.setCursor(9,1);
    lcd.print("Sedikit");
    tone(4,800,1000);
    delay(1000);
    lcd.clear();
    delay(100);
 }else if(kdlm > 100 && kdlm <= 250)
 {  kirim = 0;
    digitalWrite(ledmerah, LOW);
    digitalWrite(ledkuning, HIGH);
    digitalWrite(ledhijau, LOW);
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Tinggi :");
    lcd.setCursor(10,0);
    lcd.print(kdlm);
    lcd.setCursor(14,0);
    lcd.print("cm");
    lcd.setCursor(0,1);
    lcd.print("Satus :");
    lcd.setCursor(9,1);
    lcd.print("Sedang");
    //digitalWrite(buzzer, LOW);
    delay(1000);
    lcd.clear();
    delay(100);
 }else if(kdlm > 250 && kdlm <= 400)
  { kirim = 0;
    digitalWrite(ledmerah, LOW);
    digitalWrite(ledkuning, LOW);
    digitalWrite(ledhijau, HIGH);
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Tinggi:");
    lcd.setCursor(10,0);
    lcd.print(kdlm);
    lcd.setCursor(14,0);
    lcd.print("cm");
    lcd.setCursor(0,1);
    lcd.print("Status :");
    lcd.setCursor(9,1);
    lcd.print("Banyak");
    //digitalWrite(buzzer, LOW);
    delay(1000);
    lcd.clear();
    delay(100);
  }
   

    }