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

const int LED_PIN = 13;
const int MOTION_PIN = 2;
const char* WIFI_NAME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = "";
const int myChannelNumber = 2261721;
const char* myApiKey = "I1PHHZYVKXZ9IB8Z";
const char* server = "api.thingspeak.com";
int motionDetected = 0;

WiFiClient client;

void setup() {
  Serial.begin(115200);
  pinMode(LED_PIN, OUTPUT);
  pinMode(MOTION_PIN, INPUT);
  WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED){
    delay(1000);
    Serial.println("Wifi not connected");
  }
  Serial.println("Wifi connected !");
  Serial.println("Local IP: " + String(WiFi.localIP()));
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
}

void loop() {
  int motionDetected = digitalRead(MOTION_PIN);
  if (motionDetected == HIGH) {
    int startTime = millis(); // Lấy thời gian bắt đầu chuyển động

    // Gửi thời gian bắt đầu chuyển động lên ThingSpeak
    ThingSpeak.setField(1, String(startTime));
    int x = ThingSpeak.writeFields(myChannelNumber, myApiKey);

    Serial.print("Motion Start Time: ");
    Serial.println(startTime);

    if (x == 200) {
      Serial.println("Data pushed successfully");
    } else {
      Serial.println("Push error: " + String(x));
    }
    Serial.println("---");
  }

  delay(1000);
}