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

// Display Pins
#define TFT_CS   15
#define TFT_DC   2
#define TFT_MOSI 13
#define TFT_MISO 12
#define TFT_SCK  14

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

//RGB LED Pins
#define LED_R 4
#define LED_G 16
#define LED_B 17

// function to determine color
void setRGB(bool r, bool g, bool b) {
  digitalWrite(LED_R, r ? LOW : HIGH);
  digitalWrite(LED_G, g ? LOW : HIGH);
  digitalWrite(LED_B, b ? LOW : HIGH);
}

void setup() {
  SPI.begin(TFT_SCK, TFT_MISO, TFT_MOSI, TFT_CS);
  tft.begin();

  pinMode(LED_R, OUTPUT);
  pinMode(LED_G, OUTPUT);
  pinMode(LED_B, OUTPUT);
  setRGB(false, false, false);

  tft.setCursor(20, 120);

  // Set text color and size
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(3);

  // Print first message
  tft.println("Hello ESP32");

  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(2);
}

void loop() {
  // Array of messages to display
  const char* messages[] = {
    "Hello ESP32",
    "I love Wokwi!",
    "ESP32-2432S028R"
  };

  // Corresponding RGB colors for each message
  const bool colors[][3] = {
    {true, false, false},   // Red
    {false, true, false},   // Green
    {false, false, true}    // Blue
  };

  for (int i = 0; i < 3; i++) {
    // Set LED color
    setRGB(colors[i][0], colors[i][1], colors[i][2]);
    // Clear previous text area (black rectangle)
    tft.fillRect(20, 160, 200, 30, ILI9341_BLACK);
    // Set cursor to print new message
    tft.setCursor(20, 160);
    // Print message on screen
    tft.println(messages[i]);
    // Wait 1 second before next message
    delay(1000);
  }
}