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

unsigned long myChannelNumber = 2336580;
const char * myWriteAPIKey = "WDZUSF0A4ZL0QJO1";
const char * myReadAPIKey = "L78T19PPLP1E3PBI";

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);

  WiFi.begin("Wokwi-GUEST", "", 5);
  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 > 20) && (H > 50)) {
      pos = map(H, 50, 100, 0, 180);
    } else {
      pos = 0;
    }
    Serial.print("<: ");
    Serial.println(pos);
    servo.write(pos);
    lastTime = millis();
  }
  delay(1000);
}