#if defined(ESP32)
  #include <WiFiMulti.h>
  WiFiMulti wifiMulti;
  #define DEVICE "ESP32"
  #elif defined(ESP8266)
  #include <ESP8266WiFiMulti.h>
  ESP8266WiFiMulti wifiMulti;
  #define DEVICE "ESP8266"
  #endif
  
  #include <InfluxDbClient.h>
  #include <InfluxDbCloud.h>
  
  // WiFi AP SSID
  #define WIFI_SSID "Wokwi-GUEST"
  // WiFi password
  #define WIFI_PASSWORD ""
  
  #define INFLUXDB_URL "https://us-east-1-1.aws.cloud2.influxdata.com"
  #define INFLUXDB_TOKEN "x17ikEXhDzjcFkWDNT1WAhNSw_SCOaTfcbm4Lzqsb5hujbaJ0rQo_cPmRBNo2P6MiJ9bMYJ0P-kQ8adfoGafzQ=="
  #define INFLUXDB_ORG "350ed6bb3f49c50a"
  #define INFLUXDB_BUCKET "Aplicacao01"
  
  // Time zone info
  #define TZ_INFO "UTC-3"
  
  // Declare InfluxDB client instance with preconfigured InfluxCloud certificate
  InfluxDBClient client(INFLUXDB_URL, INFLUXDB_ORG, INFLUXDB_BUCKET, INFLUXDB_TOKEN, InfluxDbCloud2CACert);
  
  // Declare Data point
  Point sensor("wifi_status");

//Adiciona bibliotecas
#include "DHTesp.h"

//Definição de pinos
#define button 2  
#define red 23
#define blue 21
#define green 22
#define potentiometer 14
#define buzzer 15
#define photoresistor 27
const int DHT_PIN = 32;

bool sysState = true;
bool ledON = true;
float temperature;


void IRAM_ATTR Ext_INT1_ISR(){

      sysState = !sysState;
}

DHTesp dhtSensor;

void setup() {
  //Definição PinModes
  pinMode(potentiometer, INPUT);
  pinMode(red, OUTPUT);
  pinMode(blue, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(button, INPUT);
  pinMode(buzzer,OUTPUT);
  pinMode(photoresistor, INPUT);

  Serial.begin(115200);

  attachInterrupt(digitalPinToInterrupt(button), Ext_INT1_ISR, RISING);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  WiFi.mode(WIFI_STA);
  wifiMulti.addAP(WIFI_SSID, WIFI_PASSWORD);

  Serial.print("Connecting to wifi");
  while (wifiMulti.run() != WL_CONNECTED) {
    Serial.print(".");
    delay(100);
  }
  Serial.println();

  // Accurate time is necessary for certificate validation and writing in batches
  // We use the NTP servers in your area as provided by: https://www.pool.ntp.org/zone/
  // Syncing progress and the time will be printed to Serial.
  timeSync(TZ_INFO, "pool.ntp.org", "time.nis.gov");


  // Check server connection
  if (client.validateConnection()) {
    Serial.print("Connected to InfluxDB: ");
    Serial.println(client.getServerUrl());
  } else {
    Serial.print("InfluxDB connection failed: ");
    Serial.println(client.getLastErrorMessage());
  }
  sensor.addTag("device", DEVICE);
  sensor.addTag("SSID", WiFi.SSID());
}

float read_temp(){
  float Temp = dhtSensor.getTemperature();
  return Temp;
}

void led_color(){
  int pot = analogRead(potentiometer); 
    if(pot >= 0 && pot < 1366){
      analogWrite(red,4095-pot);
      analogWrite(green,pot);
      analogWrite(blue,0);

    }else if(pot >= 1366 && pot < 2732){
      analogWrite(red,pot);
      analogWrite(green,pot);
      analogWrite(blue,pot);

    }else if(pot >= 2732){
      analogWrite(red,0);
      analogWrite(green,4095-pot);
      analogWrite(blue,pot);
    }
}

void out_temperature(float temperature){
  if(temperature > 30 || temperature < 0){
    Serial.println("Perigo! Desligar!");
    tone(buzzer,262);
  } else {
    tone(buzzer,0);
  }
}

void read_photores(){
  if(!digitalRead(photoresistor) || temperature > 30 || temperature < 0){
    turnoff_led();
  }
  else
    ledON = true;
}

void turnoff_led(){
    analogWrite(red,0);
    analogWrite(green,0);
    analogWrite(blue,0);
    ledON = false;
}

void enviar_bd(){

  // Clear fields for reusing the point. Tags will remain the same as set above.
  sensor.clearFields();

  // Store measured value into point
  // Report RSSI of currently connected network
  sensor.addField("temperature", temperature);
  sensor.addField("sistema", sysState);
  sensor.addField("estado_led", ledON);
  
  // Print what are we exactly writing
  Serial.print("Writing: ");
  Serial.println(sensor.toLineProtocol());

  // Check WiFi connection and reconnect if needed
  if (wifiMulti.run() != WL_CONNECTED) {
    Serial.println("Wifi connection lost");
  }

  // Write point
  if (!client.writePoint(sensor)) {
    Serial.print("InfluxDB write failed: ");
    Serial.println(client.getLastErrorMessage());
  }

  Serial.println("Waiting 1 second");
  delay(1000);

}

void loop() {
  enviar_bd();
  if (sysState){
    led_color();
    read_photores();
    temperature = read_temp();
    out_temperature(temperature);
  } else {
    turnoff_led();
    tone(15,0);
    delay(50);
  }
  if(ledON){
      led_color();
      Serial.println("Led ligado");
  }
  else{
      Serial.println("Led desligado");
  }
}