#pragma once
#include <wx/listctrl.h>
#include "Emu/GameInfo.h"

struct Column
{
	u32 pos;
	u32 width;
	bool shown;
	std::vector<std::string> data;

	const std::string name;
	const u32 def_pos;
	const u32 def_width;

	Column(const u32 _def_pos, const u32 _def_width, const std::string& _name)
		: def_pos(_def_pos)
		, def_width(_def_width)
		, pos(_def_pos)
		, width(_def_width)
		, shown(true)
		, name(_name)
	{
		data.clear();
	}

};

struct ColumnsArr
{
	std::vector<Column> m_columns;

	ColumnsArr()
	{
		Init();
	}

	std::vector<Column*> GetSortedColumnsByPos()
	{
		std::vector<Column*> arr;
		for(u32 pos=0; pos<m_columns.size(); pos++)
		{
			for(u32 c=0; c<m_columns.size(); ++c)
			{
				if(m_columns[c].pos != pos) continue;
				arr.push_back(&m_columns[c]);
			}
		}

		return arr;
	}

	Column* GetColumnByPos(u32 pos)
	{
		std::vector<Column *> columns = GetSortedColumnsByPos();
		for(u32 c=0; c<columns.size(); ++c)
		{
			if(!columns[c]->shown)
			{
				pos++;
				continue;
			}
			if(columns[c]->pos != pos) continue;
			return columns[c];
		}

		return NULL;
	}

public:
	Column* m_col_name;
	Column* m_col_serial;
	Column* m_col_fw;
	Column* m_col_app_ver;
	Column* m_col_category;
	Column* m_col_path;

	void Init()
	{
		m_columns.clear();
		m_columns.emplace_back(m_columns.size(), 160, "Name");
		m_columns.emplace_back(m_columns.size(),  85, "Serial");
		m_columns.emplace_back(m_columns.size(),  55, "FW");
		m_columns.emplace_back(m_columns.size(),  55, "App version");
		m_columns.emplace_back(m_columns.size(),  55, "Category");
		m_columns.emplace_back(m_columns.size(), 160, "Path");
		m_col_name     = &m_columns[0];
		m_col_serial   = &m_columns[1];
		m_col_fw       = &m_columns[2];
		m_col_app_ver  = &m_columns[3];
		m_col_category = &m_columns[4];
		m_col_path     = &m_columns[5];
	}

	void Update(const std::vector<GameInfo>& game_data)
	{
		m_col_name->data.clear();
		m_col_serial->data.clear();
		m_col_fw->data.clear();
		m_col_app_ver->data.clear();
		m_col_category->data.clear();
		m_col_path->data.clear();

		if(m_columns.size() == 0) return;

		for(const auto& game : game_data)
		{
			m_col_name->data.push_back(game.name);
			m_col_serial->data.push_back(game.serial);
			m_col_fw->data.push_back(game.fw);
			m_col_app_ver->data.push_back(game.app_ver);
			m_col_category->data.push_back(game.category);
			m_col_path->data.push_back(game.root);
		}
	}

	void Show(wxListView* list)
	{
		list->DeleteAllColumns();
		std::vector<Column *> c_col = GetSortedColumnsByPos();
		for(u32 i=0, c=0; i<c_col.size(); ++i)
		{
			if(!c_col[i]->shown) continue;
			list->InsertColumn(c++, fmt::FromUTF8(c_col[i]->name), 0, c_col[i]->width);
		}
	}

	void ShowData(wxListView* list)
	{
		list->DeleteAllItems();
		for(int c=0; c<list->GetColumnCount(); ++c)
		{
			Column* col = GetColumnByPos(c);

			if(!col)
			{
				LOG_ERROR(HLE, "Columns loaded with error!");
				return;
			}

			for(u32 i=0; i<col->data.size(); ++i)
			{
				if (list->GetItemCount() <= (int)i)
				{
					list->InsertItem(i, wxEmptyString);
					list->SetItemData(i, i);
				}
				list->SetItem(i, c, fmt::FromUTF8(col->data[i]));

			}			
		}
	}

	void LoadSave(bool isLoad, const std::string& path, wxListView* list = NULL)
	{
		if(isLoad) Init();
		else if(list)
		{
			for(int c=0; c<list->GetColumnCount(); ++c)
			{
				Column* col = GetColumnByPos(c);
				if(col) col->width = list->GetColumnWidth(c);
			}
		}

	#define ADD_COLUMN(v, dv, t, n, isshown) \
		{ \
			IniEntry<t> ini; \
			ini.Init(m_columns[i].name + "_" + n, path); \
			if(isLoad) m_columns[i].v = ini.LoadValue(dv); \
			else if(isshown ? m_columns[i].shown : 1) \
			{ \
				ini.SetValue(m_columns[i].v); \
				ini.Save(); \
			} \
		}

		for(u32 i=0; i<m_columns.size(); ++i)
		{
			ADD_COLUMN(pos, m_columns[i].def_pos, int, "position", 1);
			ADD_COLUMN(width, m_columns[i].def_width, int, "width", 1);
			ADD_COLUMN(shown, true, bool, "shown", 0);
		}

		if(isLoad)
		{
			//check for errors
			for(u32 c1=0; c1<m_columns.size(); ++c1)
			{
				for(u32 c2=c1+1; c2<m_columns.size(); ++c2)
				{
					if(m_columns[c1].pos == m_columns[c2].pos)
					{
						LOG_ERROR(HLE, "Columns loaded with error!");
						Init();
						return;
					}
				}
			}

			for(u32 p=0; p<m_columns.size(); ++p)
			{
				bool ishas = false;
				for(u32 c=0; c<m_columns.size(); ++c)
				{
					if(m_columns[c].pos != p) continue;
					ishas = true;
					break;
				}

				if(!ishas)
				{
					LOG_ERROR(HLE, "Columns loaded with error!");
					Init();
					return;
				}
			}
		}

	#undef ADD_COLUMN
	}
};

class GameViewer : public wxListView
{
	int m_sortColumn;
	bool m_sortAscending;
	std::string m_path;
	std::vector<std::string> m_games;
	std::vector<GameInfo> m_game_data;
	ColumnsArr m_columns;
	wxMenu* m_popup;

public:
	GameViewer(wxWindow* parent);
	~GameViewer();

	void DoResize(wxSize size);

	void LoadGames();
	void LoadPSF();
	void ShowData();

	void SaveSettings();
	void LoadSettings();

	void Refresh();
	void RemoveGame(wxCommandEvent& event);
	bool RemoveFolder(std::string localPath);

private:
	virtual void DClick(wxListEvent& event);
	virtual void OnColClick(wxListEvent& event);
	virtual void RightClick(wxListEvent& event);
};