//des constantes pour traduire le voltage en Lux
const float GAMMA = 0.7;
const float RL10 = 85;
#include "DHTesp.h"
//import de librairie mpu6050 (gyro et accel) ↓↓
#include <Adafruit_MPU6050.h>
#include <Adafruit_Sensor.h>
#include <Wire.h>

Adafruit_MPU6050 mpu;
DHTesp dht;
int ledPin = 16; //pour mpu6050

// Threshold for detecting movement
float movementThreshold = 1.0;
float rotationThreshold = 0.1;

void setup() {

  Serial.begin(115200);

  //Initialize DHT22
  dht.setup(32, DHTesp::DHT22);

  //LED Du mouvement
  pinMode(ledPin, OUTPUT);

  // Initialize the MPU6050 sensor
  if (!mpu.begin()) {
    Serial.println("Failed to find MPU6050 chip");
    while (1) {
      delay(10);
    }
  }
  // Give some time for the MPU6050 to start
  delay(100);

}

void loop() {
  
  //↓↓-----------------------ACCEL AND GYRO-----------------------↓↓

  // Get new sensor events
  sensors_event_t accel, gyro, temp;
  mpu.getEvent(&accel, &gyro, &temp);

  // Calculate total acceleration
  float totalAccel = sqrt(sq(accel.acceleration.x) + sq(accel.acceleration.y) + sq(accel.acceleration.z));
  float totalGyro = sqrt(sq(gyro.gyro.x) + sq(gyro.gyro.y) + sq(gyro.gyro.z));

  // Check if movement exceeds the threshold
  if (totalAccel > movementThreshold || totalGyro > rotationThreshold) {
    // Turn on the LED if movement is detected
    digitalWrite(ledPin, HIGH);
    Serial.println("Movement detected!");
  } else {
    // Turn off the LED if no movement is detected
    digitalWrite(ledPin, LOW);
    Serial.println("No movement.");
  }

  //↓↓------------------------DHT22-------------------------------↓↓
  float humidity = dht.getHumidity();
  float temperature = dht.getTemperature();
  Serial.print("La temperature = ");
  Serial.print(temperature,2);
  Serial.println(" °C");
  Serial.print("L'humidité = ");
  Serial.print(humidity,2);
  Serial.println(" %");
  //↓↓-----------------------PHOTORESISTOR---------------------------↓↓
  int sensorValue = analogRead(15);
  int sensorValue10bit = sensorValue / 4; //CHANGER LA RESOLUTION DE 12 BITS VERS 10 BITS POUR QUE LE LUX READING SOIT CORRECTE (4096/1024 = 1024)
  float voltage = sensorValue10bit / 1023. * 3.3;
  float resistance = 5000 * voltage / (1 - voltage / 3.3);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  Serial.print("Luminosité en lux  = ");
  Serial.println(lux);
  Serial.println("-----------------------------------");
  delay(2000);
}