#pragma once

#include "Editor/Export.h"

#include "Core/SObject.h"

#include "Game/ImGUImpl.h"

#include <vector>

#include <filesystem>

#include <string>

namespace sh::game

{

class GUITexture;

}

namespace sh::editor

{

class ProjectExplorer

{

public:

SH_EDITOR_API ProjectExplorer();

SH_EDITOR_API void SetRoot(const std::filesystem::path& root);

SH_EDITOR_API void Refresh();

SH_EDITOR_API void Render(float availableWidth);

SH_EDITOR_API auto GetCurrentPath() const -> const std::filesystem::path&;

SH_EDITOR_API void SetCurrentPath(const std::filesystem::path& p);

SH_EDITOR_API void SetSelected(const std::filesystem::path& path);

SH_EDITOR_API void ResetSelected();

SH_EDITOR_API auto GetSelected() const -> const std::vector<std::filesystem::path>& { return selected; }

private:

struct FileItem

{

std::filesystem::path path;

game::GUITexture* icon = nullptr;

bool isDirectory = false;

};

auto GetIcon(const std::filesystem::path& path) const -> game::GUITexture*;

/// @brief 경로의 파일의 이름의 폰트 크기가 maxSize가 넘어가면 잘라내는 함수

/// @param path 파일 경로

/// @param maxSize 최대 길이

/// @return 새로 만들어진 이름

auto GetElideFileName(const std::filesystem::path& path, float maxSize) const -> std::string;

auto IsInvisibleExtension(const std::string& ext) const -> bool;

auto RenderItem(const FileItem& fi, float& cursorX, float spacing, float width) -> bool;

void RenderParent();

void RenderRightClickPopup();

void RenderCreateMenu();

void SetItemDragTarget(const std::filesystem::path& path);

void SetFolderDragTarget(const std::filesystem::path& folderPath);

void OnItemClicked(const std::filesystem::path& path, bool bMultiple);

static auto GetSObjectFromPath(const std::filesystem::path& path) -> core::SObject*;

template<typename T>

static void sortList(std::vector<T>& v)

{

std::sort(v.begin(), v.end(), [](auto& a, auto& b) { return a.path < b.path; });

}

private:

std::filesystem::path rootPath;

std::filesystem::path currentPath;

std::vector<std::filesystem::path> selected;

std::vector<FileItem> folders;

std::vector<FileItem> files;

std::vector<std::string> invisibleExtensions;

static constexpr const ImVec4 iconBackgroundColor{ 0, 0, 0, 0 };

float iconSize = 50.0f;

bool bChangeFolderState = false;

};

}//namespace