// Servo Sweep example for the ESP32
// https://wokwi.com/arduino/projects/323706614646309460

#include <ESP32Servo.h>
#include <WiFi.h>
#include "ThingSpeak.h"

unsigned long myChannelNumber = 1905341;
const char * myWriteAPIKey = "NWSU403KKXEP8LAG";
const char * myReadAPIKey = "Y792AOSQCACRP3O7";

const int servoPin = 18;
unsigned long lastTime=30000;
int pos = 0;
float T=0, H=0;

Servo servo;
WiFiClient  client;

void setup() {
  Serial.begin(115200);
  servo.attach(servoPin);
  ThingSpeak.begin(client);  // Initialize ThingSpeak

  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(250);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());


}

void loop() {

  if ((millis() - lastTime) > 30000){  
    T=ThingSpeak.readFloatField(myChannelNumber, 1, myReadAPIKey);
    H=ThingSpeak.readFloatField(myChannelNumber, 2, myReadAPIKey);
    Serial.println("Temp: " + String(T, 2) + "°C");
    Serial.println("Humidity: " + String(H, 1) + "%");

    if ((T>14)&&(H>40)){
      pos = map(H, 40, 100, 0, 180);
    } else {
      pos=0;
    }    
    Serial.print("<: ");
    Serial.println(pos);
    servo.write(pos);
    lastTime=millis();
  }
  delay(1000);
}