//Include Library Arduino
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <WiFi.h>
#include <ArduinoIoTCloud.h>
#include <Arduino_ConnectionHandler.h>

const char DEVICE_LOGIN_NAME[]  = "6e33d0b1-2f80-4728-88b6-beadde3e0ae0";

const char SSID[]               = "Wokwi-GUEST";    // Network SSID (name)
const char PASS[]               = "";    // Network password (use for WPA, or use as key for WEP)
const char DEVICE_KEY[]         = "Gm6lEaX@FubJR1d7QEgWCb#6?";    // Secret device password


String status;
int led = 16;
int ldrpin = 34;
float resistance;  // Deklarasikan variabel resistance
float voltage;     // Deklarasikan variabel voltage
int lampStatus = 0;


const float GAMMA = 0.7;
const float RL10 = 50;
float analogValue = analogRead(ldrpin);
float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));


LiquidCrystal_I2C lcd(0x27, 20, 4);

// PWM Settings for LED
int ledBrightness = 0;  // Brightness value (0-255)


void initProperties(){

  ArduinoCloud.setBoardId(DEVICE_LOGIN_NAME);
  ArduinoCloud.setSecretDeviceKey(DEVICE_KEY);
  ArduinoCloud.addProperty(status, READ, ON_CHANGE, NULL);
  ArduinoCloud.addProperty(analogValue, READ, ON_CHANGE, NULL);
  ArduinoCloud.addProperty(lux, READ, ON_CHANGE, NULL);
  ArduinoCloud.addProperty(lampStatus, READ, ON_CHANGE, NULL);

}

WiFiConnectionHandler ArduinoIoTPreferredConnection(SSID, PASS);

void setup() 
{
  pinMode(led, OUTPUT);
  pinMode(ldrpin, INPUT);
  Serial.begin(9600);

  lcd.init();
  lcd.backlight();
  lcd.setCursor(7, 0);
  lcd.print("RAIHAN");
  lcd.setCursor(2, 1);
  lcd.print("RAMANDHA SAPUTRA");
  lcd.setCursor(4, 3);
  lcd.print("41422110039");
  delay(3000);
  lcd.clear();
  
    // Defined in thingProperties.h
  initProperties();

  // Connect to Arduino IoT Cloud
  ArduinoCloud.begin(ArduinoIoTPreferredConnection);

  /*
     The following function allows you to obtain more information
     related to the state of network and IoT Cloud connection and errors
     the higher number the more granular information you’ll get.
     The default is 0 (only errors).
     Maximum is 4
  */
  setDebugMessageLevel(2);
  ArduinoCloud.printDebugInfo();

}

void loop() 
{
  ArduinoCloud.update();

  // These constants should match the photoresistor's "gamma" and "rl10" attributes
  const float GAMMA = 0.7;
  const float RL10 = 50;
  float analogValue = analogRead(ldrpin);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));

  

  Serial.print("Analog Value	: ");
  Serial.println(analogValue);

  voltage = analogValue * (3.3 / 4096);  // Hitung nilai tegangan
  resistance = 2000 * voltage / (1 - voltage / 3.3);  // Sesuaikan ini dengan rumus yang benar

  int light = analogRead(ldrpin);
  float voltage = light / 4096. * 5;
  float resistance = 2000 * voltage / (1- voltage /5);
  

  // Tampilkan nilai lux pada Serial Monitor
  Serial.print("Lux		: ");
  Serial.println(lux, 2); // Tampilkan nilai lux dengan dua desimal

  lcd.setCursor(4, 0);
  lcd.print("STATUS LAMPU");

  // Variabel untuk status teks (On/Off)

  //Lampu Menyala 50%
  if (analogValue >= 928 && analogValue < 3092) 
  {
    int nyala = map(light, 0, 4096, 0,128);
    ledBrightness = 128;  // 50% brightness
    analogWrite(led, nyala);  // Atur kecerahan LED
    lcd.setCursor(4, 2);
    lcd.print("Cahaya Redup");
    lcd.setCursor(1, 3);
    lcd.print("Lampu menyala: 50%");
    delay(2000);
    lcd.clear();

    Serial.print("Status Cahaya   : ");
    Serial.println("Cahaya Redup");

    lampStatus = 50;
    Serial.print("Lamp Status	: ");
    Serial.print(lampStatus);
    Serial.println("%");

    status = "On";  // Status teks untuk lampu 50% menyala
    Serial.print("Status Lampu	: ");
    Serial.println(status);
    Serial.print("-----------------------------");
    Serial.println();

    } 
  
  // Kondisi lampu menyala 100%
  else if (analogValue >= 3092) 
  {
    int nyala = map(light, 0, 4096, 0,255);
    ledBrightness = 255;  // 100% brightness
    analogWrite(led, ledBrightness);  // Atur kecerahan LED
    lcd.setCursor(4, 2);
    lcd.print("Cahaya Gelap");
    lcd.setCursor(1, 3);
    lcd.print("Lampu menyala:100%");

    Serial.print("Status Cahaya   : ");
    Serial.println("Cahaya Gelap");

    lampStatus = 100;
    Serial.print("Lamp Status	: ");
    Serial.print(lampStatus);
    Serial.println("%"); 

    status = "On";  // Status teks untuk lampu 100% menyala
    Serial.print("Status Lampu	: ");
    Serial.println(status);
    Serial.print("-----------------------------");
    Serial.println();
    delay(2000);
    lcd.clear();
  } 
  
  // Kondisi lampu mati
  else 
  {
    ledBrightness = 0;  // Lampu mati
    analogWrite(led, ledBrightness);  // Matikan LED
    lcd.setCursor(4, 2);
    lcd.print("Cahaya Terang");
    lcd.setCursor(5, 3);
    lcd.print("Lampu Mati");
    lampStatus = 0;
    Serial.print("Lamp Status	: ");
    Serial.print(lampStatus);
    Serial.println("%");

    Serial.print("Status Cahaya   : ");
    Serial.println("Cahaya Terang");    

    status = "Off";  // Status teks untuk lampu mati
    Serial.print("Status Lampu	: ");

    Serial.println(status);
    Serial.print("-----------------------------");
    Serial.println();
    delay(2000);
    lcd.clear();
  }


}