#ifndef IMGUI_OPEN_FILE_HH

#define IMGUI_OPEN_FILE_HH

#include "ImGuiPart.hh"

#include <cstdint>

#include <functional>

#include <map>

#include <string>

namespace openmsx {

class ImGuiOpenFile final : public ImGuiPart

{

public:

	enum class Painter : uint8_t {

		MANAGER,

		DISKMANIPULATOR,

	};

	using ImGuiPart::ImGuiPart;

	void selectFile(const std::string& title, std::string filters,

	                const std::function<void(const std::string&)>& callback,

	                zstring_view lastLocationHint = {},

			Painter painter = Painter::MANAGER);

	void selectNewFile(const std::string& title, std::string filters,

	                   const std::function<void(const std::string&)>& callback,

	                   zstring_view lastLocationHint = {},

	                   Painter painter = Painter::MANAGER);

	void selectDirectory(const std::string& title,

	                     const std::function<void(const std::string&)>& callback,

	                     zstring_view lastLocationHint = {},

	                     Painter painter = Painter::MANAGER);

	// should be called from within a callback of the methods above

	static std::string getLastFilter();

	[[nodiscard]] zstring_view iniName() const override { return "open file dialog"; }

	void save(ImGuiTextBuffer& buf) override;

	void loadLine(std::string_view name, zstring_view value) override;

	[[nodiscard]] bool mustPaint(Painter p) const { return p == activePainter; }

	void doPaint();

private:

	void common(const std::string& title, const char* filters,

                    const std::function<void(const std::string&)>& callback,

                    zstring_view lastLocationHint,

                    Painter painter,

                    int extraFlags);

	void setBookmarks();

	[[nodiscard]] std::string getStartPath(zstring_view lastLocationHint);

private:

	std::map<std::string, std::string, std::less<>> lastPath;

	std::string lastTitle;

	std::function<void(const std::string&)> openFileCallback;

	Painter activePainter = Painter::MANAGER;

	bool chooseDirectory = false;

};

} // namespace openmsx

#endif