#include "displayText.h"
#include "Arduino.h"

//constructor
DisplayText::DisplayText(Adafruit_ST7796S_kbv& tftDisplay) : tft(tftDisplay) {
  tft.setCursor(0,0);
}

void DisplayText::writeText(char* text, int size, int posX, int posY, int screenTime, bool center, bool bottom) {
  if (center) {
    posX = centerText(text);
  }
  if (bottom) {
    posY = bottomText(text);
  }
  tft.setCursor(posX, posY);
  tft.setTextSize(size);
  tft.println(text);
  delay(screenTime);
}

int DisplayText::centerText(char* text) {
  int16_t x1, y1;
  uint16_t w, h;
  tft.getTextBounds(text, 0, 0, &x1, &y1, &w, &h);
  int x = (tft.width() - w) / 2;
  return x;
}

int DisplayText::bottomText(char* text) {
  int16_t x1, y1;
  uint16_t w, h;
  tft.getTextBounds(text, 0, 0, &x1, &y1, &w, &h);
  int y = (tft.height() - h);
  return y;
}