// Mahdy Abood 300346884
#include <Servo.h>

 Servo servo_1; // declaring variable 
 const long intervalTime0 = 1000; // a set interval of time to tally at 
 const long intervalTime1 = 1000; // a set interval of time to tally at 
 const long intervalTime2 = 1000; // a set interval of time to tally at 
 const long intervalTime3 = 1000; // a set interval of time to tally at 
 const long intervalTime4 = 1000; // a set interval of time to tally at 
 const long intervalTime5 = 1000; // a set interval of time to tally at 
 const long intervalTime6 = 1000; // a set interval of time to tally at 
 const long intervalTime7 = 1000; // a set interval of time to tally at 
 const long intervalTime8 = 1000; // a set interval of time to tally at 
 const long intervalTime9 = 1000; // a set interval of time to tally at 
 const long intervalTime10 =1000; // a set interval of time to tally at 
 const long intervalTime11= 1000; // a set interval of time to tally at 
 const long intervalTime12= 1000; // a set interval of time to tally at
 const long intervalTime13= 1000; // a set interval of time to tally at 
 const long intervalTime14= 1000; // a set interval of time to tally at 
 const long intervalTime15= 1000; // a set interval of time to tally at 
 const long intervalTime16= 1000; // a set interval of time to tally at 
 const long intervalTime17= 2000; // a set interval of time to tally at 
 const long intervalTime18= 3000; // a set interval of time to tally at 
 const long intervalTime19= 4000; // a set interval of time to tally at 
 const long intervalTime20= 5000; // a set interval of time to tally at 


 unsigned long previousTime0 = 0;  // to store the amount of time to use in if statements 
 unsigned long previousTime1 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime2 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime3 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime4 = 0;  // to store the amount of time to use in if statements 
 unsigned long previousTime5 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime6 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime7 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime8 = 0;  // to store the amount of time to use in if statements 
 unsigned long previousTime9 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime10 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime11 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime12 = 0;  // to store the amount of time to use in if statements 
 unsigned long previousTime13= 0; // to store the amount of time to use in if statements
 unsigned long previousTime14= 0; // to store the amount of time to use in if statements
 unsigned long previousTime15= 0; // to store the amount of time to use in if statements
unsigned long previousTime16 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime17 = 0; // to store the amount of time to use in if statements
 unsigned long previousTime18 = 0;  // to store the amount of time to use in if statements 
 unsigned long previousTime19= 0; // to store the amount of time to use in if statements
 unsigned long previousTime20= 0; // to store the amount of time to use in if statements
 

 void interruptHandler(){                          // defining function interruptHandler
    digitalWrite(5, HIGH); // turn off yellow LED
    digitalWrite(6, HIGH); // turn off blue LED
    digitalWrite(9, HIGH); // turn off red LED
    digitalWrite(10, HIGH); // turn off Green LED
    servo_1.write(145); // set to 145 degrees
  }

  void interrupt(){                          // defining function interrupt
    digitalWrite(5, HIGH); // turn off yellow LED
    digitalWrite(6, HIGH); // turn off blue LED
    digitalWrite(9, HIGH); // turn off red LED
    digitalWrite(10, HIGH); // turn off Green LED
    
  }


  int pos = 0;       //initializing position 






void setup() {
  

  servo_1.attach (11); // where is the servo connected to 

  pinMode(2, INPUT); // Button A Red
  pinMode(12, INPUT); // button B green
  pinMode(8, INPUT); // button C blue
  pinMode(7, INPUT); //button D yellow

  pinMode(5,OUTPUT); // yellow color led
  pinMode(6, OUTPUT); // blue color led
  pinMode(9,OUTPUT); // red color led
  pinMode(10, OUTPUT); //green color led 

  attachInterrupt(digitalPinToInterrupt(2), interruptHandler, RISING); // genrating a rising interrupt service routine

}

void loop() {


   
  while(digitalRead(2) == true){   // if Button A is activated iterupt continous action
   
    interruptHandler();            // call and initiate function 

  }

  unsigned long currentTime = millis();   // assign current time to millis
    

  digitalWrite(10, HIGH); // turn off green led         // This block keeps looping continously, unless otherwise stopped
  if (millis() >= previousTime0 + intervalTime0) {      // if the time passing is greater than the stored and the set interval 
   previousTime0 += intervalTime0;                      //then store the interval and execute code below
   digitalWrite(10, LOW); // turn on green led          //and turn on led
  }
  
  digitalWrite(5, HIGH); // turn off yellow led
    if (millis() >= previousTime1 + intervalTime1) { 
     previousTime1 += intervalTime1;
     digitalWrite(5, LOW); // turn on yellow led
    }
   digitalWrite(6, HIGH); // turn on blue led
    if (millis() >= previousTime2 + intervalTime2) { 
     previousTime2 += intervalTime2;
     digitalWrite(6, LOW); // turn on blue led
    }
  digitalWrite(9, HIGH); // turn on red led
  if (millis() >= previousTime3 + intervalTime3) { 
    previousTime3 += intervalTime3;
    digitalWrite(9, LOW); // turn on red led
  }
 
  

  while(digitalRead(12) == true){                           
    for(pos = 10; pos <= 120; pos += 1){
      
      servo_1.write(pos); 

    }


  }

   while(digitalRead(8) == true){ 

  

  while(digitalRead(7) == true){
   
     digitalWrite(5, HIGH); // turn off yellow LED
        digitalWrite(6, HIGH); // turn off blue LED
        digitalWrite(9, HIGH); // turn off red LED
        digitalWrite(10, HIGH); // turn off Green LED
    

    int randNumber = random(3);

      if (randNumber == 0 ){                                // if the case is case zero 
        digitalWrite(5, HIGH); // turn off yellow LED
        digitalWrite(6, HIGH); // turn off blue LED
        digitalWrite(9, HIGH); // turn off red LED
        digitalWrite(10, HIGH); // turn off Green LED

        servo_1.write(30); // set to 30 degrees
          if (millis() >= previousTime4 + intervalTime4) {    
            previousTime4 += intervalTime4;
            digitalWrite(5, LOW); // turn on yellow led
          }
     
          if (millis() >= previousTime5 + intervalTime5) { 
            previousTime5 += intervalTime5;
            digitalWrite(5, LOW); // turn on yellow led
          }
        break;
      
      } 
     

      if (randNumber == 1 ){                                              // if the number is case 1
        digitalWrite(5, HIGH); // turn off yellow LED
        digitalWrite(6, HIGH); // turn off blue LED
        digitalWrite(9, HIGH); // turn off red LED
        digitalWrite(10, HIGH); // turn off Green LED
        digitalWrite(9, HIGH); // turn on red led

        servo_1.write(90); // set to 90 degrees
        if (millis() >= previousTime7 + intervalTime7) { 
         previousTime7 += intervalTime7;
          digitalWrite(9, LOW); // turn on red led
        }
        if (millis() >= previousTime8 + intervalTime8) { 
         previousTime8 += intervalTime8;
          digitalWrite(9, LOW); // turn on red led

        }
        if (millis() >= previousTime9 + intervalTime9) { 
          previousTime9 += intervalTime9;
          digitalWrite(6, LOW); // turn on blue led

        } 
        if (millis() >= previousTime10 + intervalTime10) { 
          previousTime10 += intervalTime10;
          digitalWrite(6, LOW); // turn on blue led
        }  
        if (millis() >= previousTime11 + intervalTime11) { 
         previousTime7 += intervalTime7;
          digitalWrite(9, LOW); // turn on red led
        }
        if (millis() >= previousTime12 + intervalTime12) { 
         previousTime12 += intervalTime12;
          digitalWrite(9, LOW); // turn on red led

        }
        if (millis() >= previousTime13 + intervalTime13) { 
          previousTime13 += intervalTime13;
          digitalWrite(6, LOW); // turn on blue led

        } 
        if (millis() >= previousTime14 + intervalTime14) { 
          previousTime14 += intervalTime14;
          digitalWrite(6, LOW); // turn on blue led
        }  
        if (millis() >= previousTime15 + intervalTime15) { 
         previousTime15 += intervalTime15;
          digitalWrite(9, LOW); // turn on red led
        }
        if (millis() >= previousTime16 + intervalTime16) { 
         previousTime16 += intervalTime16;
          digitalWrite(9, LOW); // turn on red led
        }
    
      if (randNumber == 2 ){                                  // if the number is case 2
        digitalWrite(5, HIGH); // turn off yellow LED
        digitalWrite(6, HIGH); // turn off blue LED
        digitalWrite(9, HIGH); // turn off red LED
        digitalWrite(10, HIGH); // turn off Green LED

        servo_1.write(150); // set to 150 degrees             // blink the amber led 4 times once every second
        if (millis() >= previousTime17 + intervalTime17) { 
          previousTime17 += intervalTime17;
          digitalWrite(6, LOW); // turn on blue led

        } 
        if (millis() >= previousTime18 + intervalTime18) { 
          previousTime18 += intervalTime18;
          digitalWrite(6, LOW); // turn on blue led
        }  
        if (millis() >= previousTime19 + intervalTime19) { 
         previousTime19 += intervalTime19;
          digitalWrite(9, LOW); // turn on red led
        }
        if (millis() >= previousTime20 + intervalTime20) { 
         previousTime20 += intervalTime20;
          digitalWrite(9, LOW); // turn on red led
        }
      }
      
      
  }

  }

}