/*
*/
// Define Connections to 74HC595
 
// ST_CP pin 12
const int latchPin = 10;
// SH_CP pin 11
const int clockPin = 11;
// DS pin 2
const int switchPin = 2;
// DS pin 14
const int dataPin = 12;

// Define Connections to 74HC165
// PL pin 1
int load = 7;
// CE pin 15
int clockEnablePin = 4;
// Q7 pin 7
int dataIn = 5;
// CP pin 2
int clockIn = 6;

int incomingDecimal;
int pointsLit = 0;

int P1R  = 0;
int P1G  = 0;
int P3R  = 0;
int P3G  = 0;
int P4R  = 0;
int P4G  = 0;
int P11R = 0;
int P11G = 0;

String P1="";
String P3="";
String P4="";
String P11="";

unsigned long ledOnTime[8] = {0}; // Array to store the time each LED was turned on
const unsigned long holdTime = 10000; // 10 seconds in milliseconds

// Variable to store the current and last state of the button
int buttonState = LOW;
int lastButtonState = 0;

void setup()
{

  // Setup Serial Monitor
  Serial.begin(9600);
  
  // Print the state of the button to the Serial Monitor
  Serial.print("Button state: ");
  Serial.println(buttonState);

  // Setup 74HC165 connections
  pinMode(load, OUTPUT);
  pinMode(clockEnablePin, OUTPUT);
  pinMode(clockIn, OUTPUT);
  pinMode(switchPin, INPUT);
  pinMode(dataIn, INPUT);

  // Setup 74HC595 connections
  pinMode(latchPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(dataPin, OUTPUT);

  digitalWrite(latchPin, LOW);
  shiftOut(dataPin, clockPin, MSBFIRST, 255);
  digitalWrite(latchPin, HIGH);
  delay(500);
  digitalWrite(latchPin, LOW);
  shiftOut(dataPin, clockPin, MSBFIRST, 0);
  digitalWrite(latchPin, HIGH);
  delay(500);
  
  
  
}

void loop()
{

  // Read the current state of the button
  buttonState = digitalRead(switchPin);

  // Check if the button state has changed
  if (buttonState != lastButtonState) {
    // Print the new button state
    Serial.println("Button state changed to: ");
    Serial.println(buttonState);

    // Reset the button state (actually just updating the last state)
    lastButtonState = buttonState;

    // Perform any additional actions you need here
    if (lastButtonState == 1){

      Serial.println("Ejecuta codigo, lastButtonState =  ");
      Serial.println(lastButtonState);
      lastButtonState = 0;
      Serial.println("Change  lastButtonState to =  ");
      Serial.println(lastButtonState);      


  // Write pulse to load pin
  digitalWrite(load, LOW);
  delayMicroseconds(5);
  digitalWrite(load, HIGH);
  delayMicroseconds(5);

  // Get data from 74HC165
  digitalWrite(clockIn, HIGH);
  digitalWrite(clockEnablePin, LOW);
  byte incoming = shiftIn(dataIn, clockIn, LSBFIRST);
  digitalWrite(clockEnablePin, HIGH);
  incomingDecimal = int(incoming);
  // Print to serial monitor
//  Serial.print("Pin States: ");
//  Serial.println(incomingDecimal, BIN);
  delay(100);

  if (incoming != B11111111){
    unsigned long currentTime = millis();
    switch (incoming){

      case B11111110:
        P1R = 1;
        P1  = "Red";
        ledOnTime[0] = currentTime;
        buttonState = 0;
        break;

      case B11111101:
        P1G = 2;
        P1  = "Grn";
        ledOnTime[1] = currentTime;
        buttonState = 0;
        break;

      case B11111011:
        P3R = 4;
        P3  = "Red";
        ledOnTime[2] = currentTime;
        buttonState = 0;
        break;

      case B11110111:
        P3G = 8;
        P3  = "Grn";
        ledOnTime[3] = currentTime;
        buttonState = 0;
        break;
        
      case B11101111:
        P4R = 16;
        P4  = "Red";
        ledOnTime[4] = currentTime;
        buttonState = 0;
        break;

      case B11011111:
        P4G = 32;
        P4  = "Grn";
        ledOnTime[5] = currentTime;
        buttonState = 0;
        break;
        
      case B1111111:
        P11G = 128;
        P11="Grn";
        ledOnTime[6] = currentTime;
        buttonState = 0;
        break;

      case B10111111:
        P11R = 64;
        P11  ="Red";
        ledOnTime[7] = currentTime;
        buttonState = 0;
        break;

      default:
        //
        buttonState = 0;
        break;

    }
  }

    }
    else
    {

      Serial.println("Ejecuta codigo = 0");

    }


  // Turn off LEDs after hold time
  unsigned long currentTime = millis();
  if (P1R && (currentTime - ledOnTime[0] >= holdTime)) {
    P1R = 0;
  }
  if (P1G && (currentTime - ledOnTime[1] >= holdTime)) {
    P1G = 0;
  }
  if (P3R && (currentTime - ledOnTime[2] >= holdTime)) {
    P3R = 0;
  }
  if (P3G && (currentTime - ledOnTime[3] >= holdTime)) {
    P3G = 0;
  }
  if (P4R && (currentTime - ledOnTime[4] >= holdTime)) {
    P4R = 0;
  }
  if (P4G && (currentTime - ledOnTime[5] >= holdTime)) {
    P4G = 0;
  }
  if (P11G && (currentTime - ledOnTime[6] >= holdTime)) {
    P11G = 0;
  }
  if (P11R && (currentTime - ledOnTime[7] >= holdTime)) {
    P11R = 0;
  }

  pointsLit = P11G + P11R + P4G + P4R + P3G + P3R + P1G + P1R;
/*
  Serial.print("Keypress: ");
  Serial.print(incomingDecimal);
  Serial.print("  Shifting out: ");
  Serial.println(pointsLit);
*/
  digitalWrite(latchPin, LOW);
  shiftOut(dataPin, clockPin, MSBFIRST, pointsLit);
  digitalWrite(latchPin, HIGH);
 
  delay(100);

  }

}