#include <SPI.h>
#include <Ethernet.h>
#include <ThingSpeak.h>

// Ethernet settings
byte mac[] = {0, 1, 2, 3, 4, 5}; //  Ethernet shield MAC address
EthernetClient client;

unsigned long myChannelNumber = 2585435;
const char * myWriteAPIKey = "TQVRT2AYBXYVU3DQ";

const int buttonPin1 = 2;
const int buttonPin2 = 3;
const int ledPin1 = 12;
const int ledPin2 = 13;

int buttonState1 = 0;
int lastButtonState1 = 0;
bool ledOn1 = false;

int buttonState2 = 0;
int lastButtonState2 = 0;
bool ledOn2 = false;

void setup() {
  // Initialize pins
  pinMode(buttonPin1, INPUT_PULLUP);
  pinMode(buttonPin2, INPUT_PULLUP);
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  Serial.begin(9600);

  // Start Ethernet
  if (Ethernet.begin(mac) == 0) {
    //Serial.println("Failed to configure Ethernet using DHCP");
    // Try to configure using IP address instead of DHCP:
    Ethernet.begin(mac, IPAddress(192, 168, 1, 177));
  }

  // Give the Ethernet shield a second to initialize:
  delay(1000);
  
  // Start ThingSpeak
  ThingSpeak.begin(client);

  // Initial LED states
  digitalWrite(ledPin1, ledOn1 ? HIGH : LOW);
  digitalWrite(ledPin2, ledOn2 ? HIGH : LOW);
}

void loop() {
  buttonState1 = digitalRead(buttonPin1);
  if (buttonState1 == LOW && lastButtonState1 == HIGH) {
    ledOn1 = !ledOn1;
    digitalWrite(ledPin1, ledOn1 ? HIGH : LOW);
    updateThingSpeak();
    delay(50);
  }
  lastButtonState1 = buttonState1;

  buttonState2 = digitalRead(buttonPin2);
  if (buttonState2 == LOW && lastButtonState2 == HIGH) {
    ledOn2 = !ledOn2;
    digitalWrite(ledPin2, ledOn2 ? HIGH : LOW);
    updateThingSpeak();
    delay(50);
  }
  lastButtonState2 = buttonState2;
}

void updateThingSpeak() {
  ThingSpeak.setField(1, ledOn1 ? 1 : 0);
  ThingSpeak.setField(2, ledOn2 ? 1 : 0);
  ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);
}