//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------

#ifndef _PLATFORMINPUT_H_
#define _PLATFORMINPUT_H_

#ifndef _SIMBASE_H_
#include "sim/simBase.h"
#endif


//------------------------------------------------------------------------------

U8 TranslateOSKeyCode( U8 vcode );


//------------------------------------------------------------------------------

class InputDevice : public SimObject
{
public:
    struct ObjInfo
    {
        U16   mType;
        U16   mInst;
        S32   mMin, mMax;
    };

protected:
    char mName[30];

public:
    const char* getDeviceName();
    virtual bool process() = 0;
};


//------------------------------------------------------------------------------

inline const char* InputDevice::getDeviceName()
{
    return mName;
}


//------------------------------------------------------------------------------

class InputManager : public SimGroup
{
protected:
    bool  mEnabled;

public:
    bool  isEnabled();

    virtual bool enable() = 0;
    virtual void disable() = 0;

    virtual void process() = 0;
};


//------------------------------------------------------------------------------

inline bool InputManager::isEnabled()
{
    return mEnabled;
}

enum KEY_STATE
{
    STATE_LOWER,
    STATE_UPPER,
    STATE_GOOFY
};

//------------------------------------------------------------------------------
/// A Singleton LIFO stack of platform cursor shapes
///
/// The CursorManager class manages a LIFO stack of platform cursor shapes
/// with a standard platform cursor at the bottom, usually an Arrow Cursor.
class CursorManager
{
   // todo: paxorr: make cursor manager a singleton, store in cursormanager.cc
protected:
    struct cursors
    {
        S32 mCursorID; ///< Points to a platform specific cursor ID
    };

    Vector<cursors> mCursors; ///< A Vector of Platform Cursors
    void changeCursorShape(S32 cursorID);///< Change the Current Cursor Shape
public:
    enum
    {
        curArrow = 0,  ///< Default Cursor
        curWait,       ///< Hourglass Cursor
        curPlus,       ///< Arrow Plus
        curResizeVert, ///< Resize Vertical
        curResizeHorz, ///< Resize Horizontal
        curResizeAll,  ///< Resize All
        curIBeam,      ///< IBeam Used for Text Entry
        curResizeNESW, ///< Resize NESW
        curResizeNWSE, ///< Resize NWSE
    };

public:
    /// Push a Cursor onto the Stack
    /// @param   cursorID   The Cursor ID to use
    void pushCursor(S32 cursorID);

    /// Pop a Cursor from the Stack
    void popCursor();

    /// Refresh the Cursor
    void refreshCursor();
};

//------------------------------------------------------------------------------

class Input
{
protected:
    static InputManager* smManager; ///< Input Manager Singleton
    static CursorManager* smCursorManager; ///< Cursor Manager Singleton
    static bool smActive; ///< Is Input Active
    static bool smLastKeyboardActivated;
    static U8 smModifierKeys; ///< Current Modifier Keys Pressed
    static bool smLastMouseActivated;
    static bool smLastJoystickActivated;
	static bool smCursorGuard; ///< Used by Mac to prevent over hiding the cursor

public:
    static void init();
    static void destroy();

    static bool enable();
    static void disable();

    static void activate();
    static void deactivate();
    static void reactivate();

    static void enableMouse();
    static void disableMouse();
    static void enableKeyboard();
    static void disableKeyboard();
	static bool activateKeyboard();
	static void deactivateKeyboard();
	static bool enableJoystick();
	static void disableJoystick();
	static void echoInputState();

    static U16  getAscii( U16 keyCode, KEY_STATE keyState );
    static U16  getKeyCode( U16 asciiCode );

    static bool isEnabled();
    static bool isActive();
    static bool isMouseEnabled();
    static bool isKeyboardEnabled();

    static void process();
    static void setCursorPos(S32 x, S32 y);
    static void setCursorState(bool on); ///< If True, turns off the platform cursor

    static void setCursorShape(U32 cursorID);

    static void pushCursor(S32 cursorID); ///< Push a cursor shape using the Cursor Manager
    static void popCursor(); ///< Pop the current cursor off of the Cursor Manager stack
    static void refreshCursor(); ///< Refresh the current cursor's shape.

    static U32 getDoubleClickTime();
    static S32 getDoubleClickWidth();
    static S32 getDoubleClickHeight();

    static InputManager* getManager(); ///< Return InputManager Singleton
    static CursorManager* getCursorManager(); ///< Return CursorManager Singleton

    static U8 getModifierKeys() {return smModifierKeys;}
    static void setModifierKeys(U8 mod) {smModifierKeys = mod;}
};

#endif // _H_PLATFORMINPUT_