#include <LinkedList.h>
#include "mString.h"

struct btn_t {
  int x = -1;
  int y = -1;
  int w = -1;
  int h = -1;
  bool visible = false;
  //mString<16> text;  //text or .jpg
  //mString<20> cmd;
  String text;  //text or .jpg
  String cmd;

  bool img = false;
  bool isTouch = false;
};

LinkedList<btn_t> list_btn;

//SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
void setup() {
  Serial.begin(115200);
  Serial.print(F("mem free:"));
  freeMemory();
  time_t t = millis();
  //Serial.println(t);
  for (int n = 0; n < 3000; n++)
  {
    //btn_t BTN;
    //BTN.x = 100;
    //BTN.text = "N:" + String(n);
    // list_btn.add(BTN);
    list_btn.add(btn_t());
    list_btn[n].x = random(100);
    list_btn[n].y = random(100);
    list_btn[n].text = "NNN:" + String(n);
  }

  Serial.print(F("mem ADD:"));
  freeMemory();
  /*
    while (list_btn.size() != 0)
    {

    btn_t BTN = list_btn.pop();
    //  Serial.println(BTN.text);

    }
  */
  list_btn.clear();
  Serial.print(F("mem END:"));
  freeMemory();
  // Serial.print(F("size:"));
  // Serial.println(list_btn.size());
  // Serial.println(millis());
  Serial.print(F("Tm:"));
  Serial.println(millis() - t);
}


void loop() {

}

void freeMemory() {
  uint32_t freeHeapBytes = heap_caps_get_free_size(MALLOC_CAP_DEFAULT);
  uint32_t totalHeapBytes = heap_caps_get_total_size(MALLOC_CAP_DEFAULT);
  float percentageHeapFree = freeHeapBytes * 100.0f / (float)totalHeapBytes;
  // Print to serial
  // Serial.printf("[Memory] %.1f%% free - %d of %d bytes free\n", percentageHeapFree, freeHeapBytes, totalHeapBytes);
  uint32_t Free = ESP.getFreeHeap();
  uint32_t  alloc = ESP.getMaxAllocHeap();
  Serial.print("Free:"); Serial.print(Free);
  Serial.print(" alloc:"); Serial.print(alloc);
  Serial.print(" %:"); Serial.println(percentageHeapFree);
}