int trigger = 12;
int echo = 14;
#include "DHTesp.h"
#include <WiFi.h>
#include <ThingSpeak.h>
#define Buzzer 4
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient client;
long myChannelNumber =  2641012;
const char * myWriteAPIKey = "F5OHL304D5RVIM24";
int statusCode;
DHTesp humidity;
TempAndHumidity data;

void setup() {
  Serial.begin(115200);
  pinMode(19, OUTPUT);//red
  pinMode(18, OUTPUT);//violet
  pinMode(5, OUTPUT);//green
  pinMode(trigger, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(Buzzer, OUTPUT);
  humidity.setup(15, DHTesp::DHT22);
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
}

void loop() {
  {
    if (WiFi.status() != WL_CONNECTED)
    {
      Serial.print("Attempting to connect");
      while (WiFi.status() != WL_CONNECTED)
      {
        WiFi.begin(ssid, pass);
        Serial.print(".");
        delay(5000);
      }
      Serial.println("\nConnected.");
    }
    
    ThingSpeak.setField(1, data.temperature);
    ThingSpeak.setField(2, data.humidity);

    statusCode = ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);

    if (statusCode == 200) 
    { //successful writing code
      Serial.println("Channel update successful.");
    }
    {
      if (data.temperature >= 50 && data.humidity <= 20)
      {
        digitalWrite(19, HIGH);
        digitalWrite(18, LOW);
        digitalWrite(5, LOW);
        Serial.println("your skin is dehydrated and irritated!");
      }
      else if (data.temperature >= 20 && data.temperature <= 50 && data.humidity >= 30 && data.humidity <= 50)
      {
        digitalWrite(18, HIGH);
        digitalWrite(19, LOW);
        digitalWrite(5, LOW);
        Serial.println("more attention to skin care and hydration!");
      }
      else if (data.temperature <= 20 && data.humidity > 50)
      {
        digitalWrite(5, HIGH);
        digitalWrite(18, LOW);
        digitalWrite(19, LOW);
        Serial.println("your skin hydrated and comfortable!");
      }
      else {
        digitalWrite(5, LOW);
        digitalWrite(18, LOW);
        digitalWrite(19, LOW);
      }
    }
    {
      delay(1000);
      digitalWrite(Buzzer, HIGH);
      delay(1000);
      digitalWrite(Buzzer, LOW);
    }
  }
}