#include <WiFi.h>
#include <HTTPClient.h>

// Informasi Wi-Fi
const char* ssid = "Wokwi-GUEST"; // Ganti dengan nama WiFi
const char* password = ""; // Ganti dengan password WiFi

// Informasi ThingSpeak
String apiKey = "RJ4UD0ZG55B3TI63"; // Ganti dengan Write API Key dari ThingSpeak
const char* server = "http://api.thingspeak.com";

// Pin untuk sensor PIR dan LED
const int pirPin = 2; // Pin untuk sensor PIR
const int ledPin = 4;  // Pin untuk LED

void setup() {
    Serial.begin(115200);
    pinMode(pirPin, INPUT);
    pinMode(ledPin, OUTPUT);
    
    // Menghubungkan ke Wi-Fi
    WiFi.begin(ssid, password);
    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    }
    Serial.println("Connected to WiFi");
}

void loop() {
    int motionState = digitalRead(pirPin);
    if (motionState == HIGH) {
        Serial.println("Gerakan terdeteksi!");
        digitalWrite(ledPin, HIGH); // Nyalakan LED

        // Kirim data ke ThingSpeak
        if (WiFi.status() == WL_CONNECTED) {
            HTTPClient http;
            String url = String(server) + "/update?api_key=" + apiKey + "&field1=1"; // 1 berarti ada gerakan
            http.begin(url);
            int httpResponseCode = http.GET();
            if (httpResponseCode > 0) {
                Serial.println("Data sent to ThingSpeak");
            } else {
                Serial.println("Error sending data");
            }
            http.end();
        }

    } else {
        Serial.println("Tidak ada gerakan.");
        digitalWrite(ledPin, LOW); // Matikan LED

        // Kirim data ke ThingSpeak
        if (WiFi.status() == WL_CONNECTED) {
            HTTPClient http;
            String url = String(server) + "/update?api_key=" + apiKey + "&field1=0"; // 0 berarti tidak ada gerakan
            http.begin(url);
            int httpResponseCode = http.GET();
            if (httpResponseCode > 0) {
                Serial.println("Data sent to ThingSpeak");
            } else {
                Serial.println("Error sending data");
            }
            http.end();
        }
    }
    delay(5000); // ThingSpeak membutuhkan delay minimal 15 detik antara pengiriman data
}