//------------------------------------------------------------------------------------------------
// Displays information when a push button is pressed. Also turns on and off a corresponding led.
// 5/3/2016
//------------------------------------------------------------------------------------------------


//------------------------------------------------ declare variables


  char* titles[]={"RELATION",
                 "FIRST NAME",
                 "LAST NAME",
                 "LOCATION",
                 "PHONE NUMBER"};

char* user_info[]={"SELF",
                  "JOHN",
                  "SMITH",
                  "FLORIDA",
                  "999-888-6666"};

char* econ_one[]={"BROTHER",
                 "MICHAEL",
                 "SMITH",
                 "FLORIDA",
                 "999-888-5555"};

char* econ_two[]={"WIFE",
                 "EMILY",
                 "SMITH",
                 "FLORIDA",
                 "999-888-4444"};

  char* econ_three[]={"SISTER",
                 "SOPHIA",
                 "ADAMS",
                 "NEW YORK",
                 "888-777-3333"};

int ledPinOne = 2;
int ledPinTwo = 3;
int ledPinThree = 4;
int ledPinFour = 5;
int buttonPin = 6;
int state =0;

//------------------------------------------------ setup - set pins
void setup() {
Serial.begin(9600);

pinMode(ledPinOne, OUTPUT);
pinMode(ledPinTwo, OUTPUT);
pinMode(ledPinThree, OUTPUT);
pinMode(ledPinFour, OUTPUT);
pinMode(buttonPin, INPUT);

Serial.println("Emergency Contact");
}

//------------------------------------------------ main
void loop() {


    if (digitalRead(buttonPin))
    {
 if (state == 0)
  {

int x;
for (x=0; x <= 4; x++)
{
Serial.println(" ");
Serial.print(titles[x]);
Serial.print(" ");
Serial.print(user_info[x]);

}

Serial.println(" ");
setLights(HIGH, LOW, LOW, LOW);
    state = 1;
  }

  else if (state == 1)
  {
int y;
for (y=0; y <= 4; y++)
{
Serial.println(" ");
Serial.print(titles[y]);
Serial.print(" ");
Serial.print(econ_one[y]);

}
Serial.println(" ");
setLights(LOW, HIGH, LOW, LOW);
state= 2;

  }
  else if (state == 2)
  {


int z;
for (z=0; z <= 4; z++)
{
Serial.println(" ");
Serial.print(titles[z]);
Serial.print(" ");
Serial.print(econ_two[z]);

}

Serial.println(" ");
setLights(LOW, LOW, HIGH, LOW);
state= 3;
  }

  else if (state == 3)
  {

int q;
for (q=0; q <= 4; q++)
{
Serial.println(" ");
Serial.print(titles[q]);
Serial.print(" ");
Serial.print(econ_three[q]);

}
Serial.println(" ");
setLights(LOW, LOW, LOW, HIGH);
state = 0;

   }

delay(1000);

}

  }


//------------------------------------------------ function to turn LEDs on/off

void setLights(int one, int two, int three, int four)
 {
  digitalWrite(ledPinOne, one);
  digitalWrite(ledPinTwo, two);
  digitalWrite(ledPinThree, three);
  digitalWrite(ledPinFour, four);
  }