#include <WiFi.h>
#include <SPIFFS.h>
#include <ArduinoJson.h>

// WiFi credentials
//const char* ssid = "your_wifi_ssid";
//const char* password = "your_wifi_password";

// Define the number of GPIOs and their pins
const int numGpios = 5;
const int gpioPins[numGpios] = {2, 4, 5, 12, 13}; // Change pins according to your setup

void setup() {
  Serial.begin(115200);

  // Connect to WiFi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");

  // Initialize SPIFFS
  if(!SPIFFS.begin(true)){
    Serial.println("An Error has occurred while mounting SPIFFS");
    return;
  }
}

void loop() {
  // Read GPIO statuses from CSV file
  File file = SPIFFS.open("/gpio_statuses.csv", "r");
  if (!file) {
    Serial.println("Failed to open file for reading");
    return;
  }
  
  // Parse JSON from file
  StaticJsonDocument<200> doc;
  DeserializationError error = deserializeJson(doc, file);
  if (error) {
    Serial.println("Failed to parse file");
    file.close();
    return;
  }

  // Close the file
  file.close();

  // Turn on/off GPIOs based on CSV content
  for (int i = 0; i < numGpios; i++) {
    String gpioKey = "gpio_" + String(i);
    if (doc.containsKey(gpioKey)) {
      int gpioStatus = doc[gpioKey];
      digitalWrite(gpioPins[i], gpioStatus);
    }
  }
}