// https://wokwi.com/projects/344912588111348306

#include <Servo.h>

Servo myservo;  // create servo object to control a servo

int potpin = A0;  // analog pin used to connect the potentiometer
int servoPin = 6;
int VCC2 = 5;
int val;    // variable to read the value from the analog pin

int buttonValue = 0;
int button = 7;

int ledComplete = 9;
int ledAcute = 10;
int ledRight = 11;
int ledObtuse = 12;
int ledStraight = 13;

//#include <LiquidCrystal_I2C.h>
//#include <Wire.h>

//LiquidCrystal_I2C lcd(0x27, 16, 2);
//int VCC3 = 4;
int degPos;
String angleType;

void setup(){
  
  Serial.begin(9600);          //  setup serial
  myservo.attach(servoPin );  // attaches the servo on pin 9 to the servo object

  pinMode(button, INPUT_PULLUP);
  
  pinMode(ledComplete, OUTPUT);
  pinMode(ledAcute, OUTPUT);
  pinMode(ledRight, OUTPUT);
  pinMode(ledObtuse, OUTPUT);
  pinMode(ledStraight, OUTPUT);
  
  pinMode(VCC2, HIGH);
  digitalWrite(VCC2, HIGH);

  //pinMode(VCC3, HIGH);
  //digitalWrite(VCC3, HIGH);

 // lcd.begin();
 // lcd.backlight();


}

void loop(){

  digitalWrite(ledComplete, LOW);
  digitalWrite(ledAcute, LOW);
  digitalWrite(ledRight, LOW);
  digitalWrite(ledObtuse, LOW);
  digitalWrite(ledStraight, LOW);
  
  val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
  val = map(val, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180)

  Serial.print(val);
  Serial.println();
  
  buttonValue = digitalRead(button);
  if(buttonValue == 0){
    val = 90;
  }
  
  if(val == 0){
    digitalWrite(ledComplete, HIGH);
    angleType = "Complete Angle";
    val = 0;
  }
  if(val > 0 && val <90){
    digitalWrite(ledAcute, HIGH);
    angleType = "Acute Angle";    
    val = val;
  }
  if(val == 90){
    digitalWrite(ledRight, HIGH);
    angleType = "Right Angle";
    val = 90;
  }
  if(val > 90 && val < 179){
    digitalWrite(ledObtuse, HIGH);
    angleType = "Obtuse Angle";
    val = val;
  }
  if(val > 178){
    digitalWrite(ledStraight, HIGH);
    angleType = "Straight Angle";
    val = 180;
  }

  myservo.write(val);                  // sets the servo position according to the scaled value

  //lcd.clear();
  //lcd.print(angleType);
  //lcd.setCursor (0, 1);
  //lcd. print("Angle: ");
  //lcd.setCursor (8, 1);
  //lcd.print(val);

  if(val > 99){
    degPos = 11;
  }
  if(val > 9 && val < 100){
    degPos = 10;
  }
  if(val >= 0 && val < 10){
    degPos = 9;
  }

  //lcd.setCursor(degPos, 1);
  //lcd.print((char)223);

  delay(200);                           // waits for the servo to get there

}