#include <DHTesp.h>

DHTesp dht;

// Pines del ejercicio
const int DHT_PIN   = 4;
const int LED_TEMP  = 14;
const int LED_HUM   = 15;

const int BTN_UNO   = 26;
const int BTN_DOS   = 27;

// Anti-rebote
unsigned long lastBtnUno = 0;
unsigned long lastBtnDos = 0;
const unsigned long debounceDelay = 100;

// Temporizador lectura
unsigned long lastRead = 0;

// Estados LEDs
bool ledTempState = false;
bool ledHumState  = false;

void setup() {
  Serial.begin(115200);

  // Inicializar DHT22
  dht.setup(DHT_PIN, DHTesp::DHT22);

  pinMode(LED_TEMP, OUTPUT);
  pinMode(LED_HUM,  OUTPUT);

  pinMode(BTN_UNO, INPUT);
  pinMode(BTN_DOS, INPUT_PULLUP);

  digitalWrite(LED_TEMP, LOW);
  digitalWrite(LED_HUM,  LOW);

  Serial.println("Sistema iniciado");
}

void loop() {

  // -------- Lectura cada 1 segundo --------
  if (millis() - lastRead >= 1000) {
    lastRead = millis();

    TempAndHumidity data = dht.getTempAndHumidity();

    if (isnan(data.temperature) || isnan(data.humidity)) {
      Serial.println("Error leyendo DHT22");
      return;
    }

    float T = data.temperature;
    float H = data.humidity;

    Serial.printf("T = %.2f  H = %.2f\n", T, H);

    // -------- LED TEMPERATURA --------
    if (T > 45.0)
      ledTempState = true;
    else
      ledTempState = false;

    digitalWrite(LED_TEMP, ledTempState);


    // -------- LED HUMEDAD --------
    if (H < 25.0 || H > 60.0)
      ledHumState = true;
    else
      ledHumState = false;

    digitalWrite(LED_HUM, ledHumState);
  }


  // -------- BOTÓN UNO (APAGAR LEDS) --------
  if (digitalRead(BTN_UNO) == LOW && millis() - lastBtnUno > debounceDelay) {
    lastBtnUno = millis();
    ledTempState = false;
    ledHumState = false;
    digitalWrite(LED_TEMP, LOW);
    digitalWrite(LED_HUM, LOW);
    Serial.println("BTN_UNO → LEDs apagados");
  }

  // -------- BOTÓN DOS (APAGAR LEDS) --------
  if (digitalRead(BTN_DOS) == LOW && millis() - lastBtnDos > debounceDelay) {
    lastBtnDos = millis();
    ledTempState = false;
    ledHumState = false;
    digitalWrite(LED_TEMP, LOW);
    digitalWrite(LED_HUM, LOW);
    Serial.println("BTN_DOS → LEDs apagados");
  }
}