#define BLYNK_TEMPLATE_ID "TMPL4eOKYk8Wm"
#define BLYNK_TEMPLATE_NAME "Erdbeben"
#define BLYNK_AUTH_TOKEN "Xb3GkAv_2f4Ndo-v0wXNUBPuXA-lYWIc"

#define BLYNK_PRINT Serial
#define pinBuzzer 2
#define greenLED 4
#define redLED 5

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <Adafruit_MPU6050.h>
#include <Adafruit_Sensor.h>
#include <Wire.h>
#include <LiquidCrystal.h>

Adafruit_MPU6050 mpu;


char auth[] = BLYNK_AUTH_TOKEN;

char ssid[] = "Wokwi-GUEST";
char pass[] = "";
BlynkTimer timer;

void myTimerEvent()
{
  Blynk.virtualWrite(V2, millis() / 1000);
}

void setup()
{
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  pinMode(pinBuzzer, OUTPUT);
  pinMode(greenLED, OUTPUT);
  pinMode(redLED, OUTPUT);


  timer.setInterval(1000L, myTimerEvent); //Staring a timer
  if (!mpu.begin()) {
    Serial.println("Failed to find MPU6050 chip");
    while (1) {
      delay(10);
    }
  }
  Serial.println("MPU6050 Found!");

  mpu.setAccelerometerRange(MPU6050_RANGE_16_G);
  mpu.setGyroRange(MPU6050_RANGE_250_DEG);
  mpu.setFilterBandwidth(MPU6050_BAND_21_HZ);
  Serial.println("");
  delay(100);
}


void loop()
{
  detect();
  timer.run();
}
void detect(){

  sensors_event_t a, g, temp;
  mpu.getEvent(&a, &g, &temp);

  int acX = a.acceleration.x;
  int acY = a.acceleration.y;
  int acZ = a.acceleration.z;


  String v = ",";
  String x = String(acX);
  String y = String(acY);
  String z = String(acZ);
  int sum = acX+acY+acZ;
  String staerke;
  if(acX && acY && acZ > 0){
    if (sum >= 3 && sum <=15){
      staerke = "schwach";
    }else if (sum > 15 && sum <= 30){
        staerke = "mittel";
    }else if (sum >30 && sum <= 45){
        staerke = "stark";
    }else if (sum > 45 ){
        staerke = "verheerend";
    }
  }

  if(acX && acY && acZ > 0){
    ledcAttachPin(pinBuzzer, 0);
    ledcWriteTone(0, 1000);
    digitalWrite(redLED, HIGH);
    digitalWrite(greenLED, LOW);
    Serial.println("EARTHQUAKE DETECTED !!! "+ x + v + y+ v + z);
    Serial.println("");
    Blynk.virtualWrite(V0, "EARTHQUAKE DETECTED !!!");
    Blynk.virtualWrite(V1, sum);
    Blynk.virtualWrite(V10, staerke);

  }else{
    ledcDetachPin(pinBuzzer);
    sum = 0;
    staerke = "ruhig";
    Serial.println("SAFE "+ x + v + y+ v + z);
    digitalWrite(redLED, LOW);
    digitalWrite(greenLED, HIGH);
    Serial.println("");
    Blynk.virtualWrite(V0, "SAFE");
    Blynk.virtualWrite(V1, sum);
    Blynk.virtualWrite(V10, staerke);
  }
  delay(1500);
  Blynk.run();
}