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

dht DHT;

#define DHT22_PIN 5

#define TFT_CS     10
#define TFT_RST    9
#define TFT_DC     8
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST);

#define GRAPH_WIDTH  20
#define GRAPH_HEIGHT 100
#define GRAPH_X      60
#define GRAPH_Y      80 // Geser ke bawah lagi
#define GRAPH_COLOR_TEMP  ILI9341_RED
#define GRAPH_COLOR_HUM   ILI9341_BLUE
#define MAX_VALUE   100
#define MIN_VALUE   0

#define LED_GRAPH_X 50
#define LED_GRAPH_Y 220
#define LED_GRAPH_WIDTH 200
#define LED_GRAPH_HEIGHT 20
#define LED_BAR_WIDTH (LED_GRAPH_WIDTH / 10)
#define LED_BAR_SPACING 2
#define BATTERY_LEVEL 75 // contoh level baterai

void setup() {
  Serial.begin(115200);
  
  tft.begin();
  tft.setRotation(3);  // Sesuaikan dengan orientasi layar Anda
  tft.fillScreen(ILI9341_PINK); // Background diubah menjadi pink
  
  // Geser teks judul mendekati gambar grafik thermometer
  tft.setCursor(20, 10);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.println("SUHU DAN KELEMBABAN");
  
  delay(2000);
}

void drawThermometer(int value, int maxValue, int color, int xOffset, String title) {
  // Draw title
  tft.setCursor(GRAPH_X + xOffset - 15, GRAPH_Y - 30);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(1);
  tft.print(title);
  
  // Draw outer frame of thermometer
  tft.drawRect(GRAPH_X + xOffset - 5, GRAPH_Y + 30, 10, GRAPH_HEIGHT, ILI9341_WHITE);
  
  // Draw inner frame of thermometer
  tft.fillRect(GRAPH_X + xOffset - 4, GRAPH_Y + GRAPH_HEIGHT - GRAPH_HEIGHT + 20, 8, GRAPH_HEIGHT - 40, ILI9341_BLACK);
  
  // Draw scale lines
  for (int i = 0; i <= maxValue; i += 10) {
    int y = map(i, 0, maxValue, GRAPH_Y + GRAPH_HEIGHT, GRAPH_Y + GRAPH_HEIGHT - GRAPH_HEIGHT + 20);
    tft.drawFastHLine(GRAPH_X + xOffset - 10, y, 5, ILI9341_WHITE);
  }
  
  // Draw value line
  int lineY = map(value, MIN_VALUE, maxValue, GRAPH_Y + GRAPH_HEIGHT, GRAPH_Y + GRAPH_HEIGHT - GRAPH_HEIGHT + 20);
  tft.drawFastHLine(GRAPH_X + xOffset - 10, lineY, 5, color);
  
  // Draw value text
  tft.setCursor(GRAPH_X + xOffset + 10, lineY - 5);
  tft.setTextColor(color);
  tft.setTextSize(1);
  tft.print(value);
}

void drawBatteryLevel(int level) {
  // Calculate width for each bar
  int barWidth = LED_BAR_WIDTH - LED_BAR_SPACING;
  
  // Draw each bar
  for (int i = 0; i < 10; i++) {
    int barX = LED_GRAPH_X + (LED_BAR_WIDTH + LED_BAR_SPACING) * i;
    int barHeight = LED_GRAPH_HEIGHT;
    int barColor = (i * 10 <= level) ? ILI9341_YELLOW : ILI9341_BLACK;
    tft.fillRect(barX, LED_GRAPH_Y, barWidth, barHeight, barColor);
  }
}

void loop() {
  // READ DATA
  int chk = DHT.read22(DHT22_PIN);

  // DISPLAY DATA ON LCD
  // Draw thermometer for temperature and humidity
  drawThermometer(DHT.temperature, MAX_VALUE, GRAPH_COLOR_TEMP, 0, "Suhu");
  drawThermometer(DHT.humidity, MAX_VALUE, GRAPH_COLOR_HUM, 100, "Kelembaban");
  
  // Draw battery level
  drawBatteryLevel(BATTERY_LEVEL);

  delay(2000);
}