#pragma once
#include "config.h"
#include <string>
#include <vector>
#include <filesystem>
#include <optional>
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#endif
#ifdef PORTALS
#include <libportal/portal.h>
#include <libportal/filechooser.h>
#endif
#include "imgui/imgui.h"
#include "imgui-filebrowser/imfilebrowser.h"

using std::string;
using std::vector;
using std::optional;
using namespace std::filesystem;

class FileBrowser {
    #ifdef PORTALS
    XdpPortal *portal;
    GVariant *variant = NULL;
    GVariantType *type = NULL;
    GVariantType *inner_filter_type = NULL;
    GMainLoop *main_loop;
    GMainContext *main_context;
    static void FileBrowserOpenCallback(GObject *src, GAsyncResult *res, gpointer data);
    static void FileBrowserSaveCallback(GObject *src, GAsyncResult *res, gpointer data);
    #endif
    ImGuiFileBrowserFlags flags;
    optional<ImVec2> window_pos;
    ImVec2 window_size;
    bool open = false;
    bool save;
    ImGui::FileBrowser fallback;
    path pwd;
    string filter_name;
    vector<string> filters;
    string title;
    optional<path> selected;
    public:
    void SetTitle(string title);
    void SetTypeFilters(string name, vector<string> filters);
    void SetPwd(path path);
    bool HasSelected();
    path GetSelected();
    void SetWindowSize(int width, int height);
    void SetWindowPos(int x, int y);
    void Display();
    void Open();
    void ClearSelected();
    bool IsOpened();
    FileBrowser(bool save, ImGuiFileBrowserFlags extra_fallback_flags = 0);
    ~FileBrowser();
};