#include <iostream>

#include <emscripten/emscripten.h>

#include "humble_api.h"

#include <dirent.h>
#include <sys/stat.h>

extern "C" {
    void test_list_files();
    void test_async_fetch(const char* url);
    void test_demo_end();
}

std::string userDataPath = "/user_data";

void list_subfolder(const std::string& folder, const std::string& short_folder, const std::string& prefix = "")
{
    std::cout << prefix << short_folder << "/\n";

    DIR *d = opendir(folder.c_str());
    if (d)
    {
        struct dirent *entry = NULL;
        while((entry = readdir(d)))
        {
            if (entry->d_name[0] == '.') continue;
            if ((entry->d_type & DT_DIR)>0) {
                list_subfolder(folder + '/' + entry->d_name, entry->d_name, prefix + "  ");
            } else {
                struct stat st;
                stat((folder + '/' + entry->d_name).c_str(), &st);
                std::cout << prefix << "  " << entry->d_name << " S:" << st.st_size << "\n";
            }
        }
        closedir(d);
    }
}

void list_folder(const std::string& folder)
{
    list_subfolder(folder, folder);
}

void test_list_files()
{
    std::cout << "Listing files\n" ;
    list_folder(userDataPath);
    list_folder("/data");
}

void on_get_file(void* arg, void* data, int data_size)
{
    std::cout << "File fetch succeeded: " << data_size << "\n";
    std::string tdata((char *)data, data_size);
    std::cout << "  " << tdata << "\n";
}

void on_fail_file(void *arg)
{
    std::cout << "File fetch failed\n";
}

void test_async_fetch(const char* url)
{
    std::cout << "Fetch file: " << url << "\n";
    humble_fetch_asset_data(url, NULL, on_get_file, on_fail_file);
}

void test_demo_end()
{
    std::cout << "Demo has ended\n";
    humble_demo_ended();
}

int main(int argc, char * argv[])
{
    std::cout << "Welcome Main\n";
    // call dummy function to init cloud
    humble_init();

    int w, h;
    int ret = humble_get_player_size(&w, &h);

    std::cout << "HumblePlayerSize Enabled: " << ret << " @ ( " << w << ", " << h << " )\n";

    return 0;
}