#include "Adafruit_FONA.h"

#define FONA_RX 2
#define FONA_TX 3
#define FONA_RST 4
//vibration sensor 
//#define VS 10

// this is a large buffer for replies
char replybuffer[255];

#include <SoftwareSerial.h>
SoftwareSerial fonaSS = SoftwareSerial(FONA_TX, FONA_RX);
SoftwareSerial *fonaSerial = &fonaSS;

Adafruit_FONA fona = Adafruit_FONA(FONA_RST);

uint8_t readline(char *buff, uint8_t maxbuff, uint16_t timeout = 0);

uint8_t type;
int vs=10;
int shockVal = HIGH;
void setup() {
  while (!Serial);

  Serial.begin(115200);
//  Serial.println(F("FONA basic test"));
//  Serial.println(F("Initializing....(May take 3 seconds)"));

  fonaSerial->begin(4800);
  if (! fona.begin(*fonaSerial)) {
//    Serial.println(F("Couldn't find FONA"));
    while (1);
  }
  type = fona.type();
 // Serial.println(F("FONA is OK"));
 // Serial.print(F("Found "));
  switch (type) {
    case FONA800L:
 //     Serial.println(F("FONA 800L")); break;
    case FONA800H:
 //     Serial.println(F("FONA 800H")); break;
    case FONA808_V1:
  //    Serial.println(F("FONA 808 (v1)")); break;
    case FONA808_V2:
  //    Serial.println(F("FONA 808 (v2)")); break;
    case FONA3G_A:
  //    Serial.println(F("FONA 3G (American)")); break;
    case FONA3G_E:
  //    Serial.println(F("FONA 3G (European)")); break;
    default: 
  //    Serial.println(F("???")); 
  break;
  }
  
  // Print module IMEI number.
  char imei[15] = {0}; // MUST use a 16 character buffer for IMEI!
  uint8_t imeiLen = fona.getIMEI(imei);
  if (imeiLen > 0) {
 //   Serial.print("Module IMEI: "); Serial.println(imei);
  }
pinMode(vs, INPUT);
}
void loop() {
  shockVal = digitalRead (vs) ;
        int t=0;
        char sendto[11]="YOUR NUMBER";
        char sendto1[11]="YOUR NUMBER 2";
        char message[27]="Accident has been detected";
        if(shockVal == HIGH || shockVal == 1){
          if(t==0){
            Serial.println(shockVal);
        if (!fona.sendSMS(sendto, message) && !fona.sendSMS(sendto1, message)) {
          Serial.println(F("Failed"));
        } else {
          Serial.println(F("Sent!"));
          t=1;
        }
        delay(1000);
        if(!fona.sendSMS(sendto1, message)) {
          Serial.println(F("Failed"));
        } else {
          Serial.println(F("Sent!"));
          t=1;
        }
         }
        }else{
          t=0;
        }
        
}