#include <DHTesp.h>
#include <WiFiClientSecure.h>
#include <ThingerESP32.h>

#define TO_SECONDS 1000 * 1000
#define USERNAME "usuario"
#define DEVICE_ID "dispositivo"
#define DEVICE_CREDENTIAL "contrasenia"
#define DEEPSLEEP_SECONDS 30
#define SENSOR_PIN 19

const char * ssids[] = { "Foo1", "Casa", "Patio" };
const char * passwds[] = { "BAZAr", "fooo", "conta" };

float humidity = -1 ;
float temperature = -1;
bool write_bucket_status = false;

ThingerESP32 thing(USERNAME, DEVICE_ID, DEVICE_CREDENTIAL);
DHTesp dht;

void setup() {
  Serial.begin(115200);
  dht.setup(SENSOR_PIN, DHTesp::DHT11);
  pinMode(LED_BUILTIN, OUTPUT);
  WiFi.mode(WIFI_STA);
  WiFi.disconnect();
  delay(1*1000);
}

void loop() {
  int ssid_index = get_best_ssid();
  if(ssid_index < 0){
    Serial.println("OOOPS! no se encontro ssid elegido");
    delay(1000);
    return;
  }
  thing.add_wifi(ssids[ssid_index], passwds[ssid_index]);

  humidity = dht.getHumidity();
  humidity = isnan(humidity) ? -1: humidity;
  temperature = dht.getTemperature();
  temperature = isnan(temperature) ? -1: temperature;

  pson data;
  data["temperatura"] = temperature;
  data["humedad"] = humidity;
  thing.handle();
  write_bucket_status = thing.write_bucket("LBucket", data);
  Serial.println(isnan(temperature) ? -1: temperature );
  ESP.deepSleep( (uint64_t)(DEEPSLEEP_SECONDS) * TO_SECONDS);
}

int get_best_ssid(){
  // errores deben ser retornos de numeros negativos
  int n = WiFi.scanNetworks();
  switch(n){
    case -2:
      Serial.println("Error -2 escaneando redes");
      return -1;
    case 0:
      Serial.println("No hay redes");
      return -2;
  }

  for(int i=0;i<n;i++){
    // iteramos los ssid encontrados
    for(int j=0; j<sizeof(ssids)/sizeof(char*);j++){
      // iteramos los ssid encontrados
      if(WiFi.SSID(i) == ssids[j]){
        Serial.print("MEJOR SSID: ");
        Serial.println(ssids[j]);
        return j;
      }
    }
  }
  return -3;
}