//Incluimos las librerias
#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,4);

const char* apiEndpoint = "https://super-space-spork-7v9v9rgjp9rj3q79-5000.app.github.dev/sensor_data";
const char* ssid = "Wokwi-GUEST";
const char* password = "";

//Decaramos el variable que almacena el pin a conectar el DHT11
int pinDHT = 17;
//Instanciamos el DHT
DHTesp dht;

const int ventilador = 32; // azul
const int deshumidificador = 33; //Azul clar
const int luz = 25; // blanca
const int movimiento = 34; //Sensor de movimiento
const int botoni = 14;

void setupWifi() {
  Serial.begin(9600);
  Serial.print("Connecting to WiFi");
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.print(" Connected: ");
  Serial.println(WiFi.localIP());
}

void setup() {
  Serial.begin(115200);
  //Inicializamos el dht
  dht.setup(pinDHT, DHTesp::DHT22);
  pinMode(ventilador, OUTPUT);
  pinMode(deshumidificador, OUTPUT);
  pinMode(luz, OUTPUT);
  pinMode(movimiento, INPUT);
  pinMode(botoni, INPUT);
  digitalWrite(ventilador, LOW);
  digitalWrite(deshumidificador, LOW);
  digitalWrite(luz, LOW);
  setupWifi();
  lcd.init();
  lcd.backlight();
}

void sendData(float temperature, float humidity, int movement){
  Serial.print("Sending data to API: ");

  // Set up HTTP connection with the API endpoint
  HTTPClient http;
  http.begin(apiEndpoint);
  http.addHeader("Content-Type", "application/json");

  // Create a JSON document using the ArduinoJson library
  StaticJsonDocument<200> doc;

  // Add the data to the JSON document
  doc["temperature"] = temperature;
  doc["humidity"] = humidity;
  doc["movement"] = movement;

  // Add the current date and time to the JSON document. This will change to a date from the proper sensor in the future
  doc["tiempo"] = "2021-01-01 00:00:00";

  // Serialize the JSON document to a string
  String json;
  serializeJson(doc, json);

  // Send the POST request to the API endpoint
  int httpResponseCode = http.POST(json);
  if (httpResponseCode > 0) {
    // Print the response from the server
    Serial.print("HTTP Response code: ");
    Serial.println(httpResponseCode);
    String responseString = http.getString();
    Serial.println("Received response: " + responseString);
  } 
  else {
    // Print the error code
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
  }
  http.end();
}

void loop() {
  //Obtenemos el arreglo de datos (humedad y temperatura)
  TempAndHumidity data = dht.getTempAndHumidity();
  float temp = data.temperature;
  float humid = data.humidity;
  float mov = digitalRead(movimiento);
  float boton = digitalRead(botoni);

  if(temp > 30){
    digitalWrite(ventilador, HIGH);
  }
  else{
    if(temp <= 22){
      digitalWrite(ventilador, LOW);
    }
  }

  if(humid > 55){
    digitalWrite(deshumidificador, HIGH);
  }
  else{
    if(humid <= 25){
      digitalWrite(deshumidificador, LOW);
    }
  }

  if(mov || boton){
    digitalWrite(luz, HIGH);
  }
  else{
    digitalWrite(luz, LOW);
  }


  //Mostramos los datos de la temperatura y humedad
  Serial.println("Temperatura: " + String(temp, 2) + "°C");
  Serial.println("Humedad: " + String(humid, 1) + "%");
  Serial.println("Movimiento: " + String(mov, 1) + "!");
  Serial.println("---");
  delay(1000);

  lcd.setCursor(0,0);
  lcd.print("Humedad: ");
  lcd.print(String(humid,1) + "%");
  lcd.setCursor(0,1);
  lcd.print("Temperatura: ");
  lcd.print(String(temp,1) + "%");
  lcd.setCursor(0,2);
  lcd.print("Movimiento: ");
  lcd.print(String(mov,1) + "%");
  delay(1000);
  lcd.print("Enviando datos API");
  sendData(temp, humid, mov);
  lcd.clear();
}