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

#define TFT_DC    4
#define TFT_CS    5
#define TFT_MOSI  6
#define TFT_CLK   7
#define TFT_CTRL 45
#define TFT_RST  48

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST);

const char* message = "I AM ARVIND FROM INDIA 91700336035";
int msgIndex = 0;
unsigned long previousMillis = 0;
const long interval = 400; // Typing effect interval

bool ranGraphics = false;

void setup() {
  Serial.begin(115200);
  Serial.println("Welcome to ESP32-S3 with Graphics!");

  pinMode(TFT_CTRL, OUTPUT);
  digitalWrite(TFT_CTRL, HIGH);

  tft.begin();

  // Set MADCTL for display orientation
  const uint8_t mode = 0x48;
  tft.sendCommand(ILI9341_MADCTL, &mode, 1);

  tft.fillScreen(ILI9341_BLACK);
  tft.setCursor(88, 60);
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(3);
  tft.println("ESP32-S3");

  delay(1000);
}

void loop() {
  if (!ranGraphics) {
    runGraphicsTest();
    ranGraphics = true;
    delay(1500);
    tft.fillScreen(ILI9341_BLACK);
    tft.setCursor(36, 106);
  }

  unsigned long currentMillis = millis();
  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;

    if (message[msgIndex] == '\n') {
      tft.setCursor(36, tft.getCursorY() + 20);  // Next line
    } else {
      tft.print(message[msgIndex]);
    }

    if (message[msgIndex] != '\0') {
      msgIndex++;
    } else {
      // Restart typing animation
      tft.fillRect(36, 106, 200, 60, ILI9341_BLACK);
      tft.setCursor(36, 106);
      msgIndex = 0;
    }
  }
}

void runGraphicsTest() {
  tft.fillScreen(ILI9341_BLACK);

  // Draw rainbow bars
  int barHeight = tft.height() / 7;
  tft.fillRect(0, 0 * barHeight, tft.width(), barHeight, tft.color565(255, 0, 0));     // Red
  tft.fillRect(0, 1 * barHeight, tft.width(), barHeight, tft.color565(255, 127, 0));   // Orange
  tft.fillRect(0, 2 * barHeight, tft.width(), barHeight, tft.color565(255, 255, 0));   // Yellow
  tft.fillRect(0, 3 * barHeight, tft.width(), barHeight, tft.color565(0, 255, 0));     // Green
  tft.fillRect(0, 4 * barHeight, tft.width(), barHeight, tft.color565(0, 0, 255));     // Blue
  tft.fillRect(0, 5 * barHeight, tft.width(), barHeight, tft.color565(75, 0, 130));    // Indigo
  tft.fillRect(0, 6 * barHeight, tft.width(), barHeight, tft.color565(148, 0, 211));   // Violet

  delay(500);

  // Draw shapes
  tft.fillCircle(60, 100, 30, ILI9341_CYAN);
  tft.drawTriangle(160, 60, 130, 160, 190, 160, ILI9341_MAGENTA);
  tft.fillRoundRect(60, 180, 120, 40, 10, ILI9341_YELLOW);
}