//Red LED = Hot water
//Blue LED = Cold water
//LED bar graph = Washing machine stages 1-5
int speaker = 7;

const int led1 = 2;
const int led2 = 3;
const int led3 = 4;
const int led4 = 5;
const int led5 = 6;

bool now = digitalRead(8);
bool before = 0;
bool state = 0;

bool noww = digitalRead(10);
bool beforee = 0;
bool statee = 0;

void setup() {

  pinMode(8, INPUT);
  pinMode(9, OUTPUT);
  pinMode(10, INPUT);
  pinMode(11, OUTPUT);
  pinMode(speaker, OUTPUT);

  Serial.begin(9600);
  Serial.println("");
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
}

//I even used your youtube channel to help me out with making variables
//These are my variables i used to reduce the amount of code
void toby(int ledpin, int on_off, int mydelay) {
  digitalWrite(ledpin, on_off);
  delay(mydelay);
}


void loop() {

  //Allow the red button to be pressed for red LED to turn on
  //Activates hot water
  before = now;
  now = digitalRead(8);
  if (before == 0 && now == 1) {
    state = !state;
    digitalWrite(9, state);
  }

  //Allow blue button to be pressed for blue LED to turn on
  //Activates cold water
  beforee = noww;
  noww = digitalRead(10);
  if (beforee == 0 && noww == 1) {
    statee = !statee;
    digitalWrite(11, statee);
  }

  //allows the serial port to activate
  if (Serial.available() > 0) {
    String command = Serial.readString();
    command.trim();

    //type in the Serial Monitor "start washing" to begin the cycle
    if (command == "start washing") {
      delay(200);
      Serial.println("Beginnning washing cycle...");
      //Beeps indicate the washing cycle has begun
      tone (speaker, 500, 1000);
      delay(400);
      tone (speaker, 300, 1000);
      delay(400);
      tone (speaker, 400, 1000);
      delay (1500);
      Serial.println("Loading washing powder...");

      //toby(output pin, state 1/0, delay time)
      toby(2, 1, 700);
      toby(2, 0, 700);
      toby(2, 1, 700);
      toby(2, 0, 700);
      toby(2, 1, 700);
      toby(2, 0, 700);
      toby(2, 1, 50);
      Serial.println("Stage one complete");
      delay(2300);


      //Tells LED 2 to flash on and off
      Serial.println("Filling up with water...");
      toby(3, 1, 400);
      toby(3, 0, 400);
      toby(3, 1, 400);
      toby(3, 0, 400);
      toby(3, 1, 400);
      toby(3, 0, 400);
      toby(3, 1, 400);
      toby(3, 0, 400);
      toby(3, 1, 400);
      toby(3, 0, 400);
      toby(3, 1, 400);
      toby(3, 0, 400);
      toby(3, 1, 50);
      Serial.println("Stage two complete");
      delay(2300);

      //Tells led 3 to start flashing on and off
      Serial.println("Agitating process starting...");
      toby(4, 1, 600);
      toby(4, 0, 200);
      toby(4, 1, 600);
      toby(4, 0, 200);
      toby(4, 1, 600);
      toby(4, 0, 200);
      toby(4, 1, 600);
      toby(4, 0, 200);
      toby(4, 1, 600);
      toby(4, 0, 200);
      toby(4, 1, 600);
      toby(4, 0, 200);
      toby(4, 1, 50);
      Serial.println("Stage three complete");
      delay(2300);

      //Tells LED 4 to start flashing on and off
      Serial.println("Slowly spinning...");
      toby(5, 1, 300);
      toby(5, 0, 300);
      toby(5, 1, 300);
      toby(5, 0, 300);
      toby(5, 1, 300);
      toby(5, 0, 300);
      toby(5, 1, 300);
      toby(5, 0, 300);
      toby(5, 1, 300);
      toby(5, 0, 300);
      toby(5, 1, 300);
      toby(5, 0, 300);
      toby(5, 1, 300);
      toby(5, 0, 300);
      toby(5, 1, 300);
      Serial.println("Stage four complete");
      delay(2300);

      //Tells LED 5 to start flashing on and off
      Serial.println("Spin drying beginning..");
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      Serial.println("Speeding up spinning speed...");
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);
      toby(6, 0, 200);
      toby(6, 1, 200);

      //Tells LED 5 to start flashing on and off but get slower as it goes on
      Serial.println("Slowing down...");
      toby(6, 1, 100);
      toby(6, 0, 100);
      toby(6, 1, 100);
      toby(6, 0, 100);
      toby(6, 1, 300);
      toby(6, 0, 300);
      toby(6, 1, 300);
      toby(6, 0, 300);
      toby(6, 1, 500);
      toby(6, 0, 500);
      toby(6, 1, 500);
      toby(6, 0, 500);
      toby(6, 1, 600);
      toby(6, 0, 600);
      toby(6, 1, 600);
      Serial.println("Finished washing load!");
      //turns all LED's off
      toby(6, 0, 0);
      toby(5, 0, 0);
      toby(4, 0, 0);
      toby(3, 0, 0);
      toby(2, 0, 0);

      //speaker will play frequencies to let you know that the load is finished
      tone (speaker, 200, 1000);
      //a cool ending affect to show the load is finished
      toby(2, 1, 200);
      toby(3, 1, 200);
      toby(4, 1, 200);
      toby(5, 1, 200);
      toby(6, 1, 200);
      tone (speaker, 200, 1000);
      toby(6, 0, 200);
      toby(5, 0, 200);
      toby(4, 0, 200);
      toby(3, 0, 200);
      toby(2, 0, 200);

      tone (speaker, 600, 1000);
      toby(2, 1, 0);
      toby(3, 1, 0);
      toby(4, 1, 0);
      toby(5, 1, 0);
      toby(6, 1, 0);
      delay(300);
      tone (speaker, 300, 1000);
      toby(2, 0, 0);
      toby(3, 0, 0);
      toby(4, 0, 0);
      toby(5, 0, 0);
      toby(6, 0, 0);
      delay(300);
      tone (speaker, 600, 1000);
      toby(2, 1, 0);
      toby(3, 1, 0);
      toby(4, 1, 0);
      toby(5, 1, 0);
      toby(6, 1, 0);
      delay(300);
      tone (speaker, 300, 1000);
      toby(2, 0, 0);
      toby(3, 0, 0);
      toby(4, 0, 0);
      toby(5, 0, 0);
      toby(6, 0, 0);
      delay(300);
      tone (speaker, 600, 1000);
      toby(2, 1, 0);
      toby(3, 1, 0);
      toby(4, 1, 0);
      toby(5, 1, 0);
      toby(6, 1, 0);
      delay(300);
      tone (speaker, 300, 1000);
      toby(2, 0, 0);
      toby(3, 0, 0);
      toby(4, 0, 0);
      toby(5, 0, 0);
      toby(6, 0, 0);
      delay(300);
      tone (speaker, 600, 1000);
      toby(2, 1, 0);
      toby(3, 1, 0);
      toby(4, 1, 0);
      toby(5, 1, 0);
      toby(6, 1, 0);
      delay(500);
      toby(2, 0, 0);
      toby(3, 0, 0);
      toby(4, 0, 0);
      toby(5, 0, 0);
      toby(6, 0, 0);
    }
  }
}