#include <Ethernet2.h>
#include <EthernetUdp2.h>
#include "HX711.h"
#include <SPI.h>
#include <SD.h>

EthernetUDP Udp; //added this to fix the UDP error
#include <OSCMessage.h>
IPAddress ip(2, 0, 0, 100);
IPAddress outIp(2, 0, 0, 1);
const unsigned int outPort = 53000;
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };

// HX711 circuit wiring
const int LOADCELL_DOUT_PIN = A5;
const int LOADCELL_SCK_PIN = A4;
long reading;

HX711 scale;

int potPin = 0;
float readVal = 0;
float mult = 0;
float ran;
bool triggered = false;
const int switchPin = 2;
int switchState = 0;
const int chipSelect = 4;

String prize;
const char * cue;

void setup() {
  Serial.begin(9600);
  Ethernet.begin(mac, ip);
  Udp.begin(8888);
  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);

  pinMode(switchPin, INPUT);

  Serial.print("Initializing SD card...");

  // see if the card is present and can be initialized:
  if (!SD.begin(chipSelect)) {
    Serial.println("Card failed, or not present");
    // don't do anything more:
    while (1);
  }
  Serial.println("card initialized.");
  File dataFile = SD.open("datalog.txt", FILE_WRITE);
if (dataFile) {
  dataFile.println("------New Session------");
  dataFile.close();
} else {
  Serial.println("Error opening log file");
}
}

void loop() {
  
  switchState = digitalRead(switchPin);
 // Serial.println(switchState);

  if (scale.is_ready()) {
    reading = scale.read();
    Serial.println(reading);
  }

  if (reading < 1200000 && triggered == true) {
    delay(2000); //debounce removal
    triggered = false;
  }


  if (reading > 1400000 && triggered == false) {
    prize = "handset"; //set prize to handset incase always win is turned on
    cue = "/cue/1/start";
    triggered = true;
    
    if (switchState == LOW) { //check if always win not on
      
  ran = random(1, 100);
  
  readVal = analogRead(potPin);
  readVal = map(readVal, 0,1023,50,150);
  mult = (readVal / 100);
//  Serial.println(mult);

  if (ran <= 12*mult) {
  prize = "handset";
  cue = "/cue/1/start";
} else if (ran > 12*mult && ran <= 37*mult) {
 prize = "voucher";
 cue = "/cue/2/start";
} else if (ran > 37*mult && ran <= 45*mult) {
 prize = "Home";
 cue = "/cue/3/start";
} else if (ran > 45*mult && ran <= 65*mult) {
 prize = "Mini";
 cue = "/cue/4/start";
} else {
 prize = "Nothing";
 cue = "/cue/5/start";
} 
    }//end always win checking
Serial.println(prize);


Serial.println(cue);

OSCMessage msg(cue);
Udp.beginPacket(outIp, outPort);
msg.send(Udp);
Udp.endPacket();
msg.empty();

File dataFile = SD.open("datalog.txt", FILE_WRITE);
if (dataFile) {
  dataFile.println(prize);
  dataFile.close();
} else {
  Serial.println("Error opening log file");
}

delay(2000);
  }
}