#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"
int readPinStateWithDebounce(int pin);
// Pin definitions
#define BUTTON_PIN 4 // Button connected to GPIO 4 
uint8_t led_pins[] = {38, 37, 36, 35, 0, 45, 48, 47};
void app_main() {
  //setting the button as an input
  gpio_set_direction(BUTTON_PIN, GPIO_MODE_INPUT);
  //creating a loop to define all the LED pins as outputs
  for (int i = 0; i < 8; i++) {
    gpio_set_direction(led_pins[i], GPIO_MODE_OUTPUT);
  }
  //while loop to infinitely read the value of btnState
  while (1) {
    //setting the function we made to equal btnState and set the pass by value to the button input
    int btnState = readPinStateWithDebounce(BUTTON_PIN);
    //Readng current pinstate 
    if (btnState == 1) {
      //loop to set all LED pins to 0
      for (int i = 0; i < 8; i++) {
        gpio_set_level(led_pins[i], 0);
      }
    }
    //reading current pinstate
    else {
      //loop to set all LED pins to 1
      for (int i = 0; i < 8; i++) {
        gpio_set_level(led_pins[i], 1); 
      }
    }
    vTaskDelay(pdMS_TO_TICKS(200)); // Small delay to prevent excessive looping
  }
}
/* Function Name      - readPinStateWithDebounce
   * Description      - checks the state of the Button repeatedly while printing the variables
   * Return type      - int
   * Parameters       - pin
   */
int readPinStateWithDebounce(int pin) {
  int istate = gpio_get_level(pin);
  if (istate == 0) {
    vTaskDelay(pdMS_TO_TICKS(50));
    printf("The 1st state is %d\n", istate);
    int cstate = gpio_get_level(pin);
    if (cstate == 0) {
      printf("the 2nd state is %d\n", cstate);
      return 0;
    }
    else {
      printf("button not pressed. Pinstate high = %d\n", istate);
      return 1;
    }
  }
  else {
    printf("button not pressed. Pinstate high = %d\n", istate);
    return 1;
  }
}