/**

GDevelop - Tile Map Extension
Copyright (c) 2014-2015 Victor Levasseur (victorlevasseur52@gmail.com)
This project is released under the MIT License.
*/

#ifndef TILEMAPPANEL_H
#define TILEMAPPANEL_H

#include "wx/wx.h"
#include <wx/cmdproc.h>

#include <iostream>
#include <map>
#include <vector>

#include "TileSetPanel.h"
#include "TileMap.h"
#include "TileSet.h"

class TileMapPanel : public wxScrolledWindow
{
public:
    enum InsertionMode
    {
        PencilMode,
        RectangleMode,
        FillMode
    };

    TileMapPanel(wxWindow* parent, wxWindowID id, const wxPoint &pos=wxDefaultPosition, const wxSize &size=wxDefaultSize, long style=wxHSCROLL|wxVSCROLL);
    ~TileMapPanel();

    /**
     * Set the tilemap edited by the TileMapPanel;
     */
    void SetTileMap(TileMap *tilemap);

    /**
     * Set the tileset to be used by the map
     */
    void SetTileSet(TileSet *tileset);

    void HideUpperLayers(bool enable);
    bool AreUpperLayersHidden() const;

    /**
     * Get the current layer
     */
    int GetCurrentLayer() const {return m_mapCurrentLayer;};

    /**
     * Set the current layer for the map edition
     */
    void SetCurrentLayer(int currentLayer);

    /**
     * Fill a layer with the given tile
     */
    void FillLayer(int layer, int tile);

    /**
     * Refresh and recreate tile cache.
     */
    void Update();

    /**
     * Change the insertion mode
     */
    void SetInsertionMode(InsertionMode newInsertionMode);

    /**
     * Undo the last command
     */
    void Undo() {m_commandProcessor.Undo(); Update();};

    /**
     * Redo the last undone command
     */
    void Redo() {m_commandProcessor.Redo(); Update();};

    /**
     * Clear the undo/redo historic
     */
    void ClearCommands() {m_commandProcessor.ClearCommands();};

    //React to the selection change in TileSetPanel
    void OnTileSetSelectionChanged(TileSelectionEvent &event);

protected:
    void OnPaint(wxPaintEvent &event);
    void OnMouseEvent(wxMouseEvent &event);

private:
    wxPoint GetPositionOfTile(int column, int row);
    void GetTileAt(wxPoint position, unsigned int &tileCol, unsigned int &tileRow);

    //Tile to be inserted
    int m_tileToBeInserted;
    bool m_hideUpperLayers;

    TileSet *m_tileset;
    TileMap *m_tilemap;
    int m_mapCurrentLayer;

    InsertionMode m_insertionMode;

    //Some parameters for the Rectangle Mode
    bool m_isDrawingRectangle;
    unsigned int m_beginCol;
    unsigned int m_beginRow;
    unsigned int m_endCol;
    unsigned int m_endRow;

    //Command processor, to be able to undo/redo actions
    wxCommandProcessor m_commandProcessor;

};

#endif