#include <TFT_eSPI.h>
#include <SPI.h>

TFT_eSPI tft = TFT_eSPI();

void setup() {
  Serial.begin(115200);
  delay(2000);

  // Backlight ON
  pinMode(27, OUTPUT);
  digitalWrite(27, HIGH);

  // Config verification
  Serial.println("\n=== E32R35T Config ===");
  #if defined(USER_SETUP_LOADED)
    Serial.println("User_Setup: LOADED");
  #else
    Serial.println("User_Setup: DEFAULT (BAD!)");
  #endif
  #if defined(USE_HSPI_PORT)
    Serial.println("SPI Bus: HSPI");
  #else
    Serial.println("SPI Bus: VSPI");
  #endif
  Serial.printf("MOSI:%d SCLK:%d MISO:%d\n", TFT_MOSI, TFT_SCLK, TFT_MISO);
  Serial.printf("CS:%d DC:%d RST:%d BL:%d\n", TFT_CS, TFT_DC, TFT_RST, TFT_BL);
  Serial.printf("TOUCH_CS:%d\n", TOUCH_CS);
  Serial.printf("SPI_FREQ:%d\n", SPI_FREQUENCY);
  Serial.println("======================\n");

  tft.init();
  tft.setRotation(1);

  uint16_t colors[] = {TFT_RED, TFT_GREEN, TFT_BLUE, TFT_WHITE, TFT_BLACK};
  const char* names[] = {"RED", "GREEN", "BLUE", "WHITE", "BLACK"};

  for (int i = 0; i < 5; i++) {
    tft.fillScreen(colors[i]);
    Serial.printf("Screen: %s\n", names[i]);
    delay(1500);
  }

  tft.fillScreen(TFT_BLACK);
  tft.setTextColor(TFT_GREEN, TFT_BLACK);
  tft.setTextSize(3);
  tft.drawString("E32R35T Works!", 30, 100);
  Serial.println("Done!");
}

void loop() {
  uint16_t x, y;
  if (tft.getTouch(&x, &y)) {
    Serial.printf("Touch: %d, %d\n", x, y);
    tft.fillCircle(x, y, 4, TFT_YELLOW);
  }
}