#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include <SPI.h>

#define TFT_CS     10
#define TFT_RST    9
#define TFT_DC     8

#define BUTTON_UP    5
#define BUTTON_DOWN  7
#define BUTTON_CLICK 6

#define LED1 2
#define LED2 3
#define LED3 4

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

int selected = 0;
bool ledState[3] = {false, false, false};

unsigned long lastButtonTime = 0;
const int debounce = 150;

void drawRow(int i){
  int y = i * 60;
  tft.fillRect(0, y, tft.width(), 60, i==selected ? ILI9341_DARKGREY : ILI9341_BLACK);
  
  tft.setCursor(10, y+20);
  tft.setTextSize(3); // خط أكبر وواضح
  tft.setTextColor(ILI9341_WHITE);
  tft.print("LED ");
  
  tft.setTextColor(ILI9341_BLUE);
  tft.print(i+1);
  
  tft.setTextColor(ledState[i] ? ILI9341_GREEN : ILI9341_RED);
  tft.print(ledState[i] ? " ON" : " OFF");
}

void setup() {
  tft.begin();
  tft.setRotation(1); // لضبط اتجاه الشاشة
  pinMode(BUTTON_UP, INPUT_PULLUP);
  pinMode(BUTTON_DOWN, INPUT_PULLUP);
  pinMode(BUTTON_CLICK, INPUT_PULLUP);
  
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);

  // ارسم جميع الصفوف مرة واحدة فقط
  for(int i=0;i<3;i++){
    drawRow(i);
  }
}

void loop() {
  unsigned long now = millis();

  if(digitalRead(BUTTON_UP)==LOW && now - lastButtonTime > debounce){
    int oldSelected = selected;
    selected = (selected + 2) % 3; // UP
    drawRow(oldSelected);  // امسح التحديد القديم
    drawRow(selected);     // حدد الصف الجديد
    lastButtonTime = now;
  }

  if(digitalRead(BUTTON_DOWN)==LOW && now - lastButtonTime > debounce){
    int oldSelected = selected;
    selected = (selected + 1) % 3; // DOWN
    drawRow(oldSelected);
    drawRow(selected);
    lastButtonTime = now;
  }

  if(digitalRead(BUTTON_CLICK)==LOW && now - lastButtonTime > debounce){
    ledState[selected] = !ledState[selected];
    digitalWrite(LED1, ledState[0]);
    digitalWrite(LED2, ledState[1]);
    digitalWrite(LED3, ledState[2]);
    drawRow(selected); // فقط تحديث الصف المحدد
    lastButtonTime = now;
  }
}