Shivani Kannan - Working with Networking

#define TOUCH_SENSOR_PIN D2  // Pin connected to the capacitive touch sensor

bool wasTouched = false;  // Tracks the previous state of the sensor

void setup() {
    pinMode(TOUCH_SENSOR_PIN, INPUT);  // Set the sensor pin as input
    Serial.begin(9600);               // Optional: Debugging
}

void loop() {
    // Read the current state of the touch sensor
    int sensorValue = digitalRead(TOUCH_SENSOR_PIN);

    if (sensorValue == HIGH && !wasTouched) {
        // If the sensor is touched and it wasn't previously touched
        wasTouched = true;  // Update the state
        Serial.println("Touch detected! Publishing event.");
        Particle.publish("toggle_led", "on", PRIVATE);  // Publish the event
    } 
    else if (sensorValue == LOW && wasTouched) {
        // If the sensor is not touched anymore, reset the state
        wasTouched = false;
        Serial.println("Touch released.");
    }

    delay(50);  // Small delay for stability
}

void setup() {
    Particle.subscribe("toggle_led", eventHandler);//, MY_DEVICES);
    
    pinMode(D7, OUTPUT);  // LED pin
    Serial.begin(9600);   // Optional: Debugging
}

void eventHandler(const char *event, const char *data) {
    Serial.printlnf("Received event: %s, data: %s", event, data);

    if (strcmp(data, "on") == 0) {
        digitalWrite(D7, HIGH); // Turn on the LED
        delay(1000);            // Keep the LED on for 5 seconds
        digitalWrite(D7, LOW);  // Turn off the LED
    }
}

void loop() {
    // Continuously listen for events
}