// #if defined(ESP8266)
// #include <ESP8266WiFi.h>
// #elif defined(ESP32)
#include <WiFi.h>
// #endif

#include "ThingsBoard.h"

#include <ESP32Servo.h>
#include <LiquidCrystal_I2C.h>
#include <Preferences.h>
#include "RTClib.h"
const int I2C_ADDRESS = 0x68;
LiquidCrystal_I2C lcd(0x27,16,2);

Preferences preferences;

RTC_DS1307 rtc;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
Servo myservo1;  
Servo myservo2;

#define CURRENT_FIRMWARE_TITLE    "TEST"
#define CURRENT_FIRMWARE_VERSION  "1.0.0"

#define WIFI_SSID           "Wokwi-GUEST"
#define WIFI_PASSWORD       ""

// See https://thingsboard.io/docs/getting-started-guides/helloworld/
// to understand how to obtain an access token
#define TOKEN               "aghAhJ1SfbFwtwDE9ezc"
#define THINGSBOARD_SERVER  "thingsboard.cloud"

#define ECHO_PIN 2
#define TRIG_PIN 4
#define light 15
#define push 13
const int relayPinUV = 25;
const float GAMMA = 0.7;
const float RL10 = 50;

int a;
int b;

// Initialize ThingsBoard client
WiFiClient espClient;
// Initialize ThingsBoard instance
ThingsBoard tb(espClient);
// the Wifi radio's status
int status = WL_IDLE_STATUS;

void InitWiFi()
{
  Serial.println("Connecting to AP ...");
  // attempt to connect to WiFi network

  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {

    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to AP");
}

void reconnect() {
  // Loop until we're reconnected
  status = WiFi.status();
  if ( status != WL_CONNECTED) {
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
    while (WiFi.status() != WL_CONNECTED) {
      delay(500);
      Serial.print(".");
    }
    Serial.println("Connected to AP");
  }
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  InitWiFi();
  lcd.init();
  lcd.backlight(); 
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  pinMode(relayPinUV, OUTPUT);
  pinMode(push, INPUT);
  myservo1.attach(19);
  myservo2.attach(18);
  // preferences.begin("Simpanan", false); 
  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }
}

float lux(){
  int val = analogRead(light);
  float voltage = val / 1024. * 5;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  return pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
}

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

  if (!tb.connected()) {
    // Connect to the ThingsBoard
    Serial.print("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;
    }
  }

  // int val = analogRead(light);
  // float voltage = val / 1024. * 5;
  // float resistance = 2000 * voltage / (1 - voltage / 5);
  // float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  
  DateTime now = rtc.now();
  preferences.begin("Simpanan", false);
  lcd.setCursor(0, 0);
  // lcd.print(now.hour());
  // lcd.print(':');
  // lcd.print(now.minute());
  // lcd.print(':');
  // lcd.print(now.second());
  lcd.print("lux = ");
  lcd.print(lux());

  if (now.second()==5){
    myservo2.write(0);
  }

  if (now.second()==10){
    if(a==0){
      preferences.putFloat("jarak1", readDistanceCM());
      a=1;
      b=0;
    }
  }

  if (now.second()==30){
    if(b==0){
      preferences.putFloat("jarak2", readDistanceCM());
      a=0;
      b=1;
    }
    
  }

  if (now.second()==32){
    float curahhujan = (259200*(preferences.getFloat("jarak2", 0)-preferences.getFloat("jarak1", 0))/20);
    lcd.setCursor(0, 1); 
    lcd.print("i=");
    lcd.print(curahhujan);
    lcd.print("mm/bln");
    tb.sendTelemetryInt("curahhujan", curahhujan);
    tb.sendTelemetryInt("intensitas cahaya", lux());
    if(lux()>=1157 & lux()<=3800 & curahhujan<=518400 & curahhujan>=259200){
      myservo1.write(0);
      digitalWrite( relayPinUV, LOW);
    } else {
      myservo1.write(90);
      digitalWrite( relayPinUV, HIGH);
    }  
  }

  if (now.second()==34){
    myservo2.write(90);
  }

  if(digitalRead (push) == HIGH){
    digitalWrite( relayPinUV, HIGH);
  } else {
    digitalWrite( relayPinUV, LOW);
  }


  Serial.println("--------");
  Serial.println(now.second());
  Serial.print("jarak 1 = ");
  Serial.println(preferences.getFloat("jarak1", 0));
  Serial.print("jarak 2 = ");
  Serial.println(preferences.getFloat("jarak2", 0));
  Serial.print("lux = ");
  Serial.println(lux());

  Serial.println();
  Serial.println("Sending data...");

  preferences.end();
  delay(1000);
}