#include <WiFi.h>
#include <NTPClient.h>
#include <WiFiUdp.h>
#include "DHTesp.h"
#include "ThingSpeak.h"

// WiFi credentials
const char* SSID = "Wokwi-GUEST";
const char* Pass = "";

// ThingSpeak credentials
const int myChannelNumber = 2546316;
const char* myApiKey = "62SEI236MWC7UKXF";
const char* server = "api.thingspeak.com";

// DHT22 sensor pin
const int DHT_PIN = 13;

// Light and ventilation pins
const int LIGHT_PIN = 14; // Change according to your wiring
const int VENT1_PIN = 15; // Ventilation 1 pin
const int VENT2_PIN = 16; // Ventilation 2 pin

// NTP Client
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "pool.ntp.org", 0, 60000); // Update time every 60 seconds

DHTesp dhtSensor;
WiFiClient client;

void setup() {
  Serial.begin(115200);
  
  // Initialize DHT sensor
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  
  // Initialize light and ventilation pins
  pinMode(LIGHT_PIN, OUTPUT);
  pinMode(VENT1_PIN, OUTPUT);
  pinMode(VENT2_PIN, OUTPUT);

  // Connect to WiFi
  WiFi.begin(SSID, Pass);
  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);

  // Initialize NTP Client
  timeClient.begin();
}

void loop() {
  // Update time
  timeClient.update();
  
  // Get current hour
  int currentHour = timeClient.getHours();

  // Control light based on time
  if (currentHour >= 23 || currentHour < 1) {
    digitalWrite(LIGHT_PIN, HIGH); // Turn on light
  } else {
    digitalWrite(LIGHT_PIN, LOW); // Turn off light
  }

  // Control ventilation systems (example logic, you can adjust as needed)
  digitalWrite(VENT1_PIN, HIGH); // Turn on Ventilation 1
  digitalWrite(VENT2_PIN, LOW); // Turn off Ventilation 2

  // Read temperature and humidity
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  ThingSpeak.setField(1, data.temperature);
  ThingSpeak.setField(2, data.humidity);

  // Write data to ThingSpeak
  int status = ThingSpeak.writeFields(myChannelNumber, myApiKey);

  Serial.println("Temperature: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  
  if (status == 200) {
    Serial.println("Data pushed successfully");
  } else {
    Serial.println("Push error" + String(status));
  }
  Serial.println("---");

  delay(1000); // Delay for 1 second
}