//========================================
#include "RTClib.h"
#include <LiquidCrystal_I2C.h>
#include "time.h"
//==============================================
#include <ESP32Servo.h>
#include <WiFi.h>
#include "ThingsBoard.h"
//=============================================
#define CURRENT_FIRMWARE_TITLE "TEST"
#define CURRENT_FIRMWARE_VERSION "1.0.0"
#define SSID "Wokwi-GUEST"
#define PASS ""
//=================token_wokwi dan Server Address =========
#define TOKEN "JHjffpzLjU2WtywmrQP6"
#define THINGSBOARD_SERVER "cloud.thingsboard.io"
//=============inisialisasi jam, menit, dan detik ============
#define jam now.hour()
#define menit now.minute()
#define detik now.second()
//=============================================
#define SERIAL_DEBUG_BAUD 115200
//=============================================
#define TMBL 5
//=============================================
WiFiClient client;
ThingsBoard tb(client);
int status = WL_IDLE_STATUS;
//================================================
void reconnect(){
  status = WiFi.status();
  if(status!=WL_CONNECTED){
    WiFi.begin(SSID, PASS);
    while(WiFi.status() != WL_CONNECTED) {
      delay(500);
      Serial.println(".");
    }
    Serial.println("Connected to AP");
  }
}
//==========================================
//=============================================
Servo myservo;  
//====================LCD_I2C=====================

//================================================
LiquidCrystal_I2C lcd(0x27, 20, 4);
RTC_DS1307 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
//==============================================
char buff[9];
//===================ULTRASONIC=====================
#define ECHO_PIN 12
#define TRIG_PIN 13
//====================buzzer=======================
#define pinBuzzer 19
//=====Ultrasonic===============================
//===================baca_jarak=======================
float readDistanceCM() {
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int duration = pulseIn(ECHO_PIN, HIGH);
  return duration * 0.034 / 2;
}
//==============================================
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Use Case Project Pakan Ikan Lele Otomatis IOT20 dtspro batch3");
  //================================
   if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();}
  //====================================
   if (! rtc.isrunning()) {
    Serial.println("RTC is NOT running, let's set the time!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));}
//======================activasi LCD=================================
lcd.init();
lcd.backlight();
lcd.clear ();
//=========set input output echo dan trig pin Ultrasonic=============
pinMode(TRIG_PIN, OUTPUT);
pinMode(ECHO_PIN, INPUT);
//=========================
pinMode(pinBuzzer, OUTPUT);
//============pin servo ============
myservo.attach(23);
//=============set up tombol sebagai input ============
pinMode(TMBL, INPUT);

   
}

void loop() {
  //=================================================
  if(WiFi.status() != WL_CONNECTED){
    reconnect();
  }

  if(!tb.connected()) {
      Serial.println("Connecting to: ");
      Serial.print(THINGSBOARD_SERVER);
      Serial.print(" with token ");
      Serial.println(TOKEN);
      if(!tb.connect(THINGSBOARD_SERVER, TOKEN)){
        Serial.println("Failed to connect");
        return;
      }
  }
  //=================================================
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  float distance = readDistanceCM();
  //===========convert jarak ke level ===============
  float level = distance * 0.25;
  tb.sendTelemetryFloat("Level", level);
 // tb.sendTelemetryFloat("jarak", distance);
  //Serial.print (distance);
  //=============akses data RTC ===================
  DateTime now = rtc.now();
  tb.sendTelemetryFloat("jam", jam);
  tb.sendTelemetryFloat("menit", menit);
  tb.sendTelemetryFloat("detik", detik);
  
  noTone(pinBuzzer);
  //========================================
  lcd.setCursor(1,1);
  lcd.print("PKL:");
  lcd.setCursor(6, 1);
  lcd.print(now.hour(),DEC);
  lcd.setCursor(8, 1);
  lcd.print(":");
  lcd.setCursor(9, 1);
  lcd.print(now.minute(),DEC);
  lcd.setCursor(11, 1);
  lcd.print(":");
  lcd.setCursor(12, 1);
  lcd.print(now.second(),DEC);
  //===========================================
  lcd.setCursor(1,0);
  lcd.print("Lvl Pkn:");
  lcd.setCursor(9, 0);
  lcd.print(level);
  lcd.setCursor(14, 0);
  lcd.print("%");
  //===============Alarm level Pakan dan buzzer ON ==========
  if (level < 25) {  
  lcd.setCursor(1,2);
  lcd.print("Isi stok pakan");
  myservo.write(0);
  delay(15);
  tone(pinBuzzer, 1000);
  delay(200);}
  //tb.sendTelemetryString("Isi Stock Pakan");
  //==================beri pakan pada jam 9 pagi ===============
  else if (level > 65 && jam > 9 && menit < 1){
  lcd.setCursor(1,2);
  lcd.print("Pakan diberikan");
  myservo.write(90);
 // tb.sendTelemetryString("Feeder ON");
 // noTone(pinBuzzer);
  }
  //====================beri pakan pada jam 21 malam ============
  else if (level > 65 && jam > 21 && menit < 1){
  lcd.setCursor(1,2);
  lcd.print("Pakan diberikan");
  myservo.write(90);
  //============================
  // tb.sendTelemetryString("Feeder ON"); 
  }
  //=================== berikan pakan manual ====================
  else if(digitalRead(TMBL)==HIGH && level >50){
  lcd.setCursor(1,2);
  lcd.print("Pakan diberikan");
  myservo.write(90);
  //tb.sendTelemetryString("Feeder ON");

  }
  else {
  myservo.write(0);
  lcd.setCursor(1,2);
  lcd.print("Pakan Stop");
  //tb.sendTelemetryString("Feeder off");
  }
tb.loop(); 
}