#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>

#define DHTPIN 2
#define DHTTYPE DHT22

#define PIN_HUMEDAD A0
#define PIN_PRESION A1
#define PIN_LDR A2

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(9600);
  dht.begin();
  lcd.init();
  lcd.backlight();
}

void loop() {
  float temp = dht.readTemperature();

  int hSuelo = map(analogRead(PIN_HUMEDAD), 0, 1023, 0, 100);
  int presion = map(analogRead(PIN_PRESION), 0, 1023, 900, 1100);
  int luz = map(analogRead(PIN_LDR), 0, 1023, 0, 100);

  // LCD
  lcd.setCursor(0, 0);
  lcd.print("T:"); lcd.print(temp, 1); lcd.print("C ");
  lcd.print("H:"); lcd.print(hSuelo); lcd.print("%");

  lcd.setCursor(0, 1);
  lcd.print("P:"); lcd.print(presion);
  lcd.print(" L:"); lcd.print(luz); lcd.print("%");

  // Enviar a ESP32
  Serial.print(temp); Serial.print(",");
  Serial.print(hSuelo); Serial.print(",");
  Serial.print(presion); Serial.print(",");
  Serial.println(luz);

  delay(1000);
}