#include <ArduinoJson.h>
#include <lvgl.h>

lv_obj_t* screens[10];  // Store screen objects

void createUIElement(lv_obj_t* parent, const JsonObject& element);

void setup() {
  Serial.begin(9600);
  lv_init();
  // Initialize your display driver here

  File file = SD.open("ui_layout.json", FILE_READ);
  StaticJsonDocument<10000> doc;  // Adjust size according to your JSON
  deserializeJson(doc, file);

  JsonArray json_screens = doc["screens"];
  int screen_index = 0;
  for (JsonObject screen : json_screens) {
    lv_obj_t* screen_obj = lv_obj_create(NULL, NULL); // Create a screen
    for (JsonObject element : screen["elements"].as<JsonArray>()) {
      createUIElement(screen_obj, element); // Create UI elements
    }
    screens[screen_index++] = screen_obj;
  }

  lv_scr_load(screens[0]); // Load the first screen
}

void loop() {
  lv_task_handler();
  delay(5);
}

void createUIElement(lv_obj_t* parent, const JsonObject& element) {
  const char* type = element["type"];
  lv_obj_t* ui_element = nullptr;

  if (strcmp(type, "container") == 0) {
    ui_element = lv_cont_create(parent, NULL);
    lv_obj_set_size(ui_element, element["size"]["width"], element["size"]["height"]);
    lv_obj_set_pos(ui_element, element["position"]["x"], element["position"]["y"]);
    // Recursively add elements within the container
    if (element.containsKey("elements")) {
      for (JsonObject nestedElement : element["elements"].as<JsonArray>()) {
        createUIElement(ui_element, nestedElement);
      }
    }
  } else if (strcmp(type, "button") == 0) {
    ui_element = lv_btn_create(parent, NULL);
    lv_obj_set_size(ui_element, element["size"]["width"], element["size"]["height"]);
    lv_obj_set_pos(ui_element, element["position"]["x"], element["position"]["y"]);
    lv_obj_t* label = lv_label_create(ui_element, NULL);
    lv_label_set_text(label, element["label"]);
  } else if (strcmp(type, "label") == 0) {
    ui_element = lv_label_create(parent, NULL);
    lv_label_set_text(ui_element, element["text"]);
    lv_obj_set_pos(ui_element, element["position"]["x"], element["position"]["y"]);
  }

  // Add more cases as needed
}