#define ERA_DEBUG

/* Define MQTT host */
#define DEFAULT_MQTT_HOST "mqtt1.eoh.io"

// You should get Auth Token in the ERa App or ERa Dashboard
#define ERA_AUTH_TOKEN "71d8206c-76ca-42cc-9c97-d88cabde8f6b"

/* Define setting button */
// #define BUTTON_PIN              0

#if defined(BUTTON_PIN)
    // Active low (false), Active high (true)
    #define BUTTON_INVERT       false
    #define BUTTON_HOLD_TIMEOUT 5000UL

    // This directive is used to specify whether the configuration should be erased.
    // If it's set to true, the configuration will be erased.
    #define ERA_ERASE_CONFIG    false
#endif


#include <Arduino.h>
#include <ERa.hpp>
#include <DHT.h>


#define led 12        // chân led cảnh báo
#define DHTPIN 4      // Chân DATA của DHT22 nối với GPIO15
#define DHTTYPE DHT22  // Loại cảm biến: DHT22
//#define buzzerPin 23  // chân của còi 
DHT dht(DHTPIN, DHTTYPE); 

const char ssid[] = "Wokwi-GUEST";
const char pass[] = "";

WiFiClient mbTcpClient;

#if defined(BUTTON_PIN)
    #include <ERa/ERaButton.hpp>

    ERaButton button;

    #if ERA_VERSION_NUMBER >= ERA_VERSION_VAL(1, 2, 0)
        static void eventButton(uint8_t pin, ButtonEventT event) {
            if (event != ButtonEventT::BUTTON_ON_HOLD) {
                return;
            }
            ERa.switchToConfig(ERA_ERASE_CONFIG);
            (void)pin;
        }
    #else
        static void eventButton(ButtonEventT event) {
            if (event != ButtonEventT::BUTTON_ON_HOLD) {
                return;
            }
            ERa.switchToConfig(ERA_ERASE_CONFIG);
        }
    #endif

    #if defined(ESP32)
        #include <pthread.h>

        pthread_t pthreadButton;

        static void* handlerButton(void* args) {
            for (;;) {
                button.run();
                ERaDelay(10);
            }
            pthread_exit(NULL);
        }

        void initButton() {
            pinMode(BUTTON_PIN, INPUT);
            button.setButton(BUTTON_PIN, digitalRead, eventButton,
                            BUTTON_INVERT).onHold(BUTTON_HOLD_TIMEOUT);
            pthread_create(&pthreadButton, NULL, handlerButton, NULL);
        }
    #elif defined(ESP8266)
        #include <Ticker.h>

        Ticker ticker;

        static void handlerButton() {
            button.run();
        }

        void initButton() {
            pinMode(BUTTON_PIN, INPUT);
            button.setButton(BUTTON_PIN, digitalRead, eventButton,
                            BUTTON_INVERT).onHold(BUTTON_HOLD_TIMEOUT);
            ticker.attach_ms(100, handlerButton);
        }
    #elif defined(ARDUINO_AMEBA)
        #include <GTimer.h>

        const uint32_t timerIdButton {0};

        static void handlerButton(uint32_t data) {
            button.run();
            (void)data;
        }

        void initButton() {
            pinMode(BUTTON_PIN, INPUT);
            button.setButton(BUTTON_PIN, digitalReadArduino, eventButton,
                            BUTTON_INVERT).onHold(BUTTON_HOLD_TIMEOUT);
            GTimer.begin(timerIdButton, (100 * 1000), handlerButton);
        }
    #endif
#endif

/* This function will run every time ERa is connected */
ERA_CONNECTED() {
    ERA_LOG(ERA_PSTR("ERa"), ERA_PSTR("ERa connected!"));
}

/* This function will run every time ERa is disconnected */
ERA_DISCONNECTED() {
    ERA_LOG(ERA_PSTR("ERa"), ERA_PSTR("ERa disconnected!"));
}

/* This function print uptime every second */
void timerEvent() {
    ERA_LOG(ERA_PSTR("Timer"), ERA_PSTR("Uptime: %d"), ERaMillis() / 1000L);
    senddata();
}
void senddata() {
    float humidity = dht.readHumidity();// độ ẩm
    float temperature = dht.readTemperature();// nhiệt độ
    
    // Check if the readings are valid
    if (isnan(humidity) || isnan(temperature)) {
        ERA_LOG(ERA_PSTR("DHT"), ERA_PSTR("Failed to read from DHT sensor!"));
        return;
    }
    if (temperature >= 50) {   // kiểm tra xem nhiệt độ có quá 50 độ hay không
       digitalWrite(led, HIGH);
       delay(200);
    }
    ERa.virtualWrite(V3, humidity);   // gửi dữ liệu độ ẩm đến chân V3
    ERa.virtualWrite(V5, int(temperature)); // gửi dữ liệu nhiệt độ đến chân V5
  
    // Ghi lại các số đọc
    ERA_LOG(ERA_PSTR("DHT"), ERA_PSTR("Humidity: %.2f%% Temperature: %.2f°C"), humidity, temperature);
}
void setup() {
    /* Setup debug console */
#if defined(ERA_DEBUG)
    Serial.begin(115200);
#endif

#if defined(BUTTON_PIN)
    /* Initializing button. */
    initButton();
    /* Enable read/write WiFi credentials */
    ERa.setPersistent(true);
#endif

    /* Setup Client for Modbus TCP/IP */
    ERa.setModbusClient(mbTcpClient);

    /* Set scan WiFi. If activated, the board will scan
       and connect to the best quality WiFi. */
    ERa.setScanWiFi(true);
            
    /* Initializing the ERa library. */
    ERa.begin(ssid, pass);

    /* Setup timer called function every second */
    ERa.addInterval(1000L, timerEvent);
}

void loop() {
    ERa.run();
}