#include <Adafruit_SSD1306.h>
#include <esp_task_wdt.h>

#include <DHT.h>
#define DHT_PIN 13
#define WDT_TIMEOUT 10 // 5 seconds
#define DHT_TYPE DHT22


#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 32
Adafruit_SSD1306 display(SCREEN_WIDTH,SCREEN_HEIGHT, &Wire);

DHT dhtSensor(DHT_PIN, DHT_TYPE);
void setup() {
  Serial.begin(115200);
    if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
  }
   dhtSensor.begin();
  pinMode(17, INPUT_PULLUP); // mha gud
  pinMode(4, INPUT_PULLUP); // manual
  pinMode(16, INPUT_PULLUP); // auto
  pinMode(2, OUTPUT);
  Serial.println("Hello, ESP32!");
  
    esp_task_wdt_deinit();

    // Define the WDT configuration
    esp_task_wdt_config_t wdt_config = {
        .timeout_ms = WDT_TIMEOUT * 1000, // Convert seconds to milliseconds
      //.idle_core_mask = (1 << configNUM_CORES - 1) ,
        .trigger_panic = true // Trigger panic on timeout
    };

    // Initialize WDT with the configuration
    esp_task_wdt_init(&wdt_config);
    esp_task_wdt_add(NULL); // Add current task to WDT
}
void showoled(float value,float cov,bool key)
{
  if(key)
  {
  display.clearDisplay();
  display.display();
  display.setTextSize(0.5);
  display.setTextColor(WHITE);
  display.setCursor(0,0);
  //display.println(F("ON"));
 // display.setCursor(60,0);
  display.println(F("Temp : "));
  display.setCursor(50,0);
  display.println(value);
  display.setCursor(0,15);
  /*display.println(F("Address : "));
  display.setCursor(60,15);
  display.println(add);*/
  display.setCursor(0,25);
  display.println(F("hum : "));
  display.setCursor(40,25);
  display.println(cov);
  display.display();
  }

}
const float GAMMA = 0.7;
const float RL10 = 50;
float rl_temp,rl_hum;
int time_end=0/*, analogValue  =0*/,poten;
bool toggle =true,onclick = false;
void loop() {
  if(millis() - time_end >= 1000)
  {
      rl_temp = dhtSensor.readTemperature();
      rl_hum = dhtSensor.readHumidity();

    poten = analogRead(34);
    int analogValue = analogRead(2);
    float voltage = analogValue / 1024. * 5;
    float resistance = 2000 * voltage / (1 - voltage / 5);
    float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
   

    Serial.print("Light value is ");
    Serial.println(analogValue);
    Serial.print("Poten value is ");
    Serial.println(poten);
    Serial.print("Temp in dht 22 is : ");
    Serial.println(rl_temp);
      Serial.print("hum in dht 22 is : ");
    Serial.println(rl_hum);

    int real_value = 255 - (analogValue /15.8);

    time_end = millis();
    if(digitalRead(17) == HIGH)
    {
      //Serial.println("Try not Feed");
      esp_task_wdt_reset();
    }
    else if(digitalRead(17) == LOW)
    {
      Serial.println("Try not Feed");
    }
    if(digitalRead(16) == LOW)
    {
      Serial.println("Auto mode led will blink 1s");
       digitalWrite(2,toggle);
        //analogWrite(2,poten);

    }
    else if(digitalRead(4) == LOW)
    {
      
      Serial.println("Manual mode");
      if(onclick)
      {
        onclick = false;
        Serial.println("light off");
      }
      else
      {
        onclick = true;
        Serial.println("light on");
      }
      //analogWrite(2,poten);
      digitalWrite(2,onclick);
    }
    else
    {
      //Serial.println("Depend on ldr ");
     //analogWrite(2,real_value);
      //igitalWrite(2,toggle);
      //analogWrite(2,poten);
    }
    toggle = !toggle;
  }
  showoled(rl_temp,rl_hum,true);
  delay(10); // this speeds up the simulation
}