#include <WiFi.h>
#include "ThingSpeak.h"

// WiFi credentials for Wokwi
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// ThingSpeak settings
unsigned long channelID = week5;   // replace
const char * writeAPIKey = "R2B28JEPMTE6XNKT"; // replace

WiFiClient client;

// LED pin
int ledPin = 2;

// Variables for simulated AI output
String label;
float confidence;

void setup() {

  Serial.begin(115200);

  pinMode(ledPin, OUTPUT);

  // Connect WiFi
  WiFi.begin(ssid, password);

  Serial.print("Connecting to WiFi");

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println();
  Serial.println("WiFi connected!");

  ThingSpeak.begin(client);
}

void loop() {

  // Simulated AI predictions
  int randomCommand = random(0,3);

  if(randomCommand == 0){
    label = "on";
    confidence = 0.95;
    digitalWrite(ledPin, HIGH);
  }

  else if(randomCommand == 1){
    label = "off";
    confidence = 0.92;
    digitalWrite(ledPin, LOW);
  }

  else{
    label = "background";
    confidence = 0.80;
  }

  Serial.println("Voice Prediction:");
  Serial.println(label);
  Serial.println(confidence);

  // Send data to ThingSpeak
  ThingSpeak.setField(1, label);
  ThingSpeak.setField(2, confidence);

  int x = ThingSpeak.writeFields(channelID, writeAPIKey);

  if(x == 200){
    Serial.println("Data sent to ThingSpeak successfully");
  }
  else{
    Serial.println("Problem sending data");
  }

  Serial.println("-----------------------");

  delay(15000); // ThingSpeak requires 15 sec delay
}