#include "evasapp.h"
#include "lottieview.h"
#include<iostream>
#include <dirent.h>
#include <stdio.h>
using namespace std;

/*
 * To check the frame rate with rendermode off run
 * ECORE_EVAS_FPS_DEBUG=1 ./lottieviewTest --disable-render
 *
 * To check the frame rate with  render backend
 * ECORE_EVAS_FPS_DEBUG=1 ./lottieviewTest
 *
 */

class LottieViewTest
{
public:
  LottieViewTest(EvasApp *app, bool renderMode) {
      mApp = app;
      mRenderMode = renderMode;
  }

  bool isJsonFile(const char *filename) {
    const char *dot = strrchr(filename, '.');
    if(!dot || dot == filename) return false;
    return !strcmp(dot + 1, "json");
  }

  void buildResourceList() {
      DIR *d;
      struct dirent *dir;
      d = opendir(DEMO_DIR);
      if (d) {
        while ((dir = readdir(d)) != NULL) {
          if (isJsonFile(dir->d_name))
            mResource.push_back(dir->d_name);
        }
        closedir(d);
      }
  }
  void displayResourceList() {
    for(auto i : mResource) {
       std::string filePath = DEMO_DIR;
       filePath +=i;
    }
  }

  void show() {
    if (mResource.empty()) return;

    int count = mResource.size();
    int colums = (int) ceil(sqrt(count));
    int offset = 3;
    int vw = (mApp->width() - (2 * offset * colums))/colums;
    int vh = vw;
    int posx = offset;
    int posy = offset;
    for(auto i : mResource) {
       std::string filePath = DEMO_DIR;
       filePath +=i;

       std::unique_ptr<LottieView> view(new LottieView(mApp->evas(), mRenderMode));
       view->setFilePath(filePath.c_str());
       view->setPos(posx, posy);
       view->setSize(vw, vh);
       view->show();
       view->play();
       view->loop(true);
       //view->setRepeatMode(LottieView::RepeatMode::Reverse);

       posx += vw+offset;
       if ((mApp->width() - posx) < vw) {
          posx = offset;
          posy = posy + vh + offset;
       }
       mViews.push_back(std::move(view));
    }

  }

public:
  EvasApp     *mApp;
  bool         mRenderMode = false;
  std::vector<std::unique_ptr<LottieView>>   mViews;
  std::vector<std::string>                   mResource;
};

static void
onExitCb(void *data)
{
    LottieViewTest *view = (LottieViewTest *)data;
    delete view;
}

int
main(int argc, char **argv)
{
   EvasApp *app = new EvasApp(800, 800);
   app->setup();

   bool renderMode = true;
   if (argc > 1) {
       if (!strcmp(argv[1],"--disable-render"))
           renderMode = false;
   }
   LottieViewTest *view = new LottieViewTest(app, renderMode);
   view->buildResourceList();
   view->show();

   app->addExitCb(onExitCb, view);

   app->run();
   delete app;
   return 0;
}