/*
  Simple "Hello World" for ILI9341 LCD

  https://wokwi.com/arduino/projects/308024602434470466
*/

#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

#define TFT_DC 9
#define TFT_CS 10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC); //240x320px
#define xEnd 240
#define yEnd 320

#define BLACK 0x0000
#define NAVY 0x000F
#define DARKGREEN 0x03E0
#define DARKCYAN 0x03EF
#define MAROON 0x7800
#define PURPLE 0x780F
#define OLIVE 0x7BE0
#define LIGHTGREY 0xC618
#define DARKGREY 0x7BEF
#define BLUE 0x001F
#define GREEN 0x07E0
#define CYAN 0x07FF
#define RED 0xF800
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF
#define ORANGE 0xFD20
#define GREENYELLOW 0xAFE5
#define PINK 0xF81F

unsigned long startTime = millis();
unsigned long lastWrite;
int c;

void setup() {
  tft.begin();

  tft.fillScreen(DARKGREY);


  tft.fillRect(0, 0.35 * yEnd, xEnd, 5, BLACK);
  tft.fillRect(.5 * xEnd, 0.1 * yEnd, 5, 0.25 * yEnd, BLACK);
  tft.fillRect(0, 0.58 * yEnd, xEnd, 5, BLACK);
  tft.fillRect(0, 0.85 * yEnd, xEnd, 5, BLACK);

  addText(.2 * xEnd, 5, WHITE, 3, "Humidity");
  addText(.7 * xEnd, .12 * yEnd, WHITE, 2, "Set: ");
  addText(.05 * xEnd, .12 * yEnd, WHITE, 2, "Actual: ");
  addText(.1 * xEnd, .92 * yEnd, WHITE, 2, "(*) SETTINGS (*) ");


  // Meme reference: https://english.stackexchange.com/questions/20356/origin-of-i-can-haz
}

void loop() {

  if (millis() - startTime < 3000) {
    addText(.25 * xEnd, .45 * yEnd, RED, 3, "FAN OFF ");
    lastWrite = millis();
  } else if (millis() - startTime > 3000 && millis() - startTime < 10000 && c != 1) {
    c = 1;
    tft.fillRect(.25 * xEnd, .45 * yEnd, xEnd, .1 * yEnd, DARKGREY);
    addText(.25 * xEnd, .45 * yEnd, GREEN, 3, "FAN ON");
    lastWrite = millis();
  } else if (millis() - startTime > 10000) {
    if (millis() - lastWrite >= 1000) {
      c += 1;
      String m = String(c);
      tft.fillRect(.8 * xEnd, .4 * yEnd, xEnd, 40, DARKGREY);
      tft.setTextColor(GREEN, DARKGREY);
      addText(.80 * xEnd, .45 * yEnd, GREEN, 3, m);
      lastWrite = millis();
    }

  }

}


void addText(int xStart, int yStart, unsigned long textColor, byte textSize, String message) {

  tft.setCursor(xStart, yStart);
  tft.setTextColor(textColor);
  tft.setTextSize(textSize);
  tft.println(message);
}