#include <LiquidCrystal_I2C.h>

#define I2C_ADDRESS 0x27
#define LCD_COLUMNS 16
#define LCD_ROWS 2
#define VERTICAL_PIN 26
#define HORIZONTAL_PIN 27
#define SELECT_PIN 14

#define MIN_ANALOG_READ 0
#define MAX_ANALOG_READ 4095
#define MIN_DIRECTION -100
#define MAX_DIRECTION 100

LiquidCrystal_I2C lcd(I2C_ADDRESS, LCD_COLUMNS, LCD_ROWS);

void setup() {
  Serial.begin(115200);
  lcd.init();
  lcd.backlight();
  pinMode(VERTICAL_PIN, INPUT);
  pinMode(HORIZONTAL_PIN, INPUT);
}

void loop() {
  int verticalDirection = map(analogRead(VERTICAL_PIN), MIN_ANALOG_READ, MAX_ANALOG_READ, MIN_DIRECTION, MAX_DIRECTION);
  int horizontalDirection = map(analogRead(HORIZONTAL_PIN), MIN_ANALOG_READ, MAX_ANALOG_READ, MIN_DIRECTION, MAX_DIRECTION);

  lcd.setCursor(0, 0);
  lcd.print("MOVEMENT :");

  String direction;
  if (verticalDirection == MAX_DIRECTION) {
    if (horizontalDirection == MAX_DIRECTION) {
      direction = "TOP-LEFT";
    } else if (horizontalDirection == MIN_DIRECTION) {
      direction = "TOP-RIGHT";
    } else {
      direction = "TOP";
    }
  } else if (verticalDirection == MIN_DIRECTION) {
    if (horizontalDirection == MAX_DIRECTION) {
      direction = "BOTTOM-LEFT";
    } else if (horizontalDirection == MIN_DIRECTION) {
      direction = "BOTTOM-RIGHT";
    } else {
      direction = "BOTTOM";
    }
  } else {
    if (horizontalDirection == MAX_DIRECTION) {
      direction = "LEFT";
    } else if (horizontalDirection == MIN_DIRECTION) {
      direction = "RIGHT";
    } else {
      direction = "CENTER";
    }
  }

  lcd.setCursor(0, 1);
  lcd.print(direction + "         ");
  Serial.println(direction);
  Serial.println(String(horizontalDirection) + "   " + String(verticalDirection));
  delay(10); // this speeds up the simulation
}