#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
#define BOT_TOKEN "7146515476:AAE3OqSh5_ZwQ_wTljNlArD2Jk7pHUivFdE"
#define LDR_PIN 33
#define Obogrevatel 19
#define Konder 18

WiFiClientSecure secured_client;
UniversalTelegramBot bot(BOT_TOKEN, secured_client);
unsigned long bot_lasttime;

#include "DHTesp.h"
#define DHT_PIN 12
DHTesp dhtSensor;
TempAndHumidity  data;

float lux=0;
const float GAMMA = 0.7;
const float RL10 = 50;
#define HUMRELAY_PIN 16

#include <Adafruit_NeoPixel.h>
#define LENTA 17
#define NUM_P 20
Adafruit_NeoPixel NeoPixel(NUM_P, LENTA, NEO_GRB + NEO_KHZ800);

int numNewMessages = 0;
void setup()
{
  NeoPixel.begin();
  pinMode(LDR_PIN, INPUT);
  pinMode(HUMRELAY_PIN, OUTPUT);
  pinMode(Obogrevatel, OUTPUT);
  pinMode(Konder, OUTPUT);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Serial.begin(115200);
  analogReadResolution(10);

  Serial.println();
  Serial.print("Connecting to Wifi SSID ");
  Serial.print(WIFI_SSID);
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  secured_client.setCACert(TELEGRAM_CERTIFICATE_ROOT);
  while (WiFi.status() != WL_CONNECTED){
    Serial.print(".");
    delay(500);
  }
  Serial.print("\nWiFi connected. IP address: ");
  Serial.println(WiFi.localIP());
}

void loop(){
  int analogValue = analogRead(LDR_PIN);
  float voltage = analogValue / 1024. * 5;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA)); 
  data = dhtSensor.getTempAndHumidity();
  if (data.humidity < 40) digitalWrite(HUMRELAY_PIN, HIGH);
  if (data.humidity >= 40) digitalWrite(HUMRELAY_PIN, LOW);
  if (data.temperature < 18) {
    digitalWrite(Obogrevatel, HIGH);
    digitalWrite(Konder, LOW);}

  if (data.temperature > 24) {
    digitalWrite(Obogrevatel, LOW);
    digitalWrite(Konder, HIGH);}
    
  if(data.temperature >= 18 && data.temperature <=24){
    digitalWrite(Obogrevatel, LOW);
    digitalWrite(Konder, LOW);
  }
  if(lux<400){
    for (int pixel=0; pixel<NUM_P; pixel++){
      NeoPixel.setPixelColor(pixel,NeoPixel.Color(255,255,255));
      NeoPixel.show();
    }
  }
  if(lux>400){
    for (int pixel=0; pixel<NUM_P; pixel++){
      NeoPixel.setPixelColor(pixel,NeoPixel.Color(0,0,0));
      NeoPixel.show();
    }
  }
  
  numNewMessages = numNewMessages + 1;
  while (numNewMessages){
    handleNewMessages(numNewMessages);
    numNewMessages = bot.getUpdates(bot.last_message_received + 1);
  }
}

void handleNewMessages(int numNewMessages)
{
  for (int i = 0; i < numNewMessages; i++){
    String chat_id = bot.messages[i].chat_id;


    bot.sendMessage(chat_id, 
      "🌡 Температура в классе: " + String(data.temperature) + " °С" 
    + "\n💧 Bлажность в классе: " + String(data.humidity) + " %" 
    + "\n💡 Освещённость в классе: " + String(lux) + " лк"
    ,"");
    
  }
}