#include <WiFi.h>
#include <DHT.h>
#include <AskSensorsESP32.h>

#define DHTPIN 4     // DHT22 data pin (GPIO 4)
#define DHTTYPE DHT22 // DHT sensor type

#define SOIL_MOISTURE_PIN 32 // GPIO pin connected to soil moisture sensor
#define SOIL_MOISTURE_THRESHOLD_LOW 25
#define SOIL_MOISTURE_THRESHOLD_MEDIUM 75

// WiFi credentials
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// AskSensors credentials and sensor ID
const char* apiKey = "sK5sdCzO7c8Ekg7PjWRRDK7nnXV7FnTV";
const char* sensorId = "11513-24";

DHT dht(DHTPIN, DHTTYPE);
AskSensors askSensors;

void setup() {
  Serial.begin(115200);
  delay(1000);

  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("WiFi connected");

  dht.begin();
  askSensors.begin(apiKey, WiFi);
}

void loop() {
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  int soilMoisture = analogRead(SOIL_MOISTURE_PIN);

  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Convert analog reading to percentage (assuming 0-1023 range for ADC)
  int moisturePercent = map(soilMoisture, 0, 1023, 0, 100);

  // Send data to AskSensors
  String data = String("field1=") + String(temperature, 1) +
                "&field2=" + String(humidity, 1) +
                "&field3=" + String(moisturePercent);
  
  int httpResponse = askSensors.writeSensor(sensorId, data);

  if (httpResponse == 200) {
    Serial.println("Data sent to AskSensors successfully");
  } else {
    Serial.print("Error sending data: ");
    Serial.println(httpResponse);
  }

  delay(10000); // Send data every 10 seconds
}