#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6aFfKHIte"
#define BLYNK_TEMPLATE_NAME "Toggle Led"
#define BLYNK_AUTH_TOKEN    "C_l4vMR5OCRlwqltBpAvdmEQ58sK2oK7"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";

#define LED1 4
#define LED2 2
#define BUTTON 5

#define LED_1_ON digitalWrite(LED1, HIGH)
#define LED_1_OFF digitalWrite(LED1, LOW)

#define LED_2_ON digitalWrite(LED2, HIGH)
#define LED_2_OFF digitalWrite(LED2, LOW)

volatile bool buttonPressedFlag = false;

void taskButton(void *pvParameters){
  bool lastState = HIGH;
  bool reading;
  while(1){
    reading = digitalRead(BUTTON);
    if(reading != lastState){
      vTaskDelay(50/portTICK_PERIOD_MS); 
      reading = digitalRead(BUTTON);
      if(reading == LOW && lastState == HIGH){
        buttonPressedFlag = !buttonPressedFlag;
      }
    }
    lastState = reading;
    vTaskDelay(10/portTICK_PERIOD_MS);
  }
}

void taskLED(void *pvParameters){
  bool ledState = false;
  while(1){
    if(buttonPressedFlag){
      ledState = !ledState;
      if(ledState){
        LED_1_ON;
        LED_2_OFF;
      }else{
        LED_1_OFF;
        LED_2_ON;
      }
      vTaskDelay(1000/portTICK_PERIOD_MS); 
    }else{
      LED_1_OFF;
      LED_2_OFF;
      vTaskDelay(50/portTICK_PERIOD_MS);
    }
  }
}

void setup(){
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(BUTTON, INPUT_PULLUP);

  Serial.begin(115200);

  Serial.print("Connecting to WiFi");
  WiFi.begin(ssid, password);
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    vTaskDelay(50/portTICK_PERIOD_MS);
    Serial.print(".");
  }

  Serial.println("\n Connected to WiFi");
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());

  xTaskCreate(taskButton, "Button Task", 2048, NULL, 1, NULL);
  xTaskCreate(taskLED, "LED Task", 2048, NULL, 1, NULL);
}

void loop(){
  Blynk.run();
}