//=====================================================================
// Copyright 2016 (c), Advanced Micro Devices, Inc. All rights reserved.
//
// 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.
//
//
/// \file PluginManager.h
/// \version 2.20
//
//=====================================================================

#ifndef  _PLUGINMANAGER_H
#define  _PLUGINMANAGER_H

// C RunTime Header Files
#include <stdlib.h>
#ifndef __APPLE__
#include <malloc.h>
#endif
#include <memory.h>
#ifdef _WIN32
#include <tchar.h>
#include <direct.h>
#endif
#include <vector>

//#include "plugininterface.h"
#include "pluginbase.h"


#define MAX_PLUGIN_FILENAME_STR   512
#define MAX_PLUGIN_NAME_STR       256
#define MAX_PLUGIN_UUID_STR       37
#define MAX_PLUGIN_TYPE_STR       64
#define MAX_PLUGIN_CATEGORY_STR   64

#define DEFAULT_PLUGINLIST_DIR    "./plugins"

class PluginDetails {
  public:
    PluginDetails() {
        clearMembers();
    }
    ~PluginDetails();

    void *makeNewInstance();
    void setFileName(char * nm);
    char *getFileName()     {
        return filename;
    }
    char *getName()         {
        return pluginName;
    }
    char *getUUID()         {
        return pluginUUID;
    }
    char *getType()         {
        return pluginType;
    }
    char *getCategory()     {
        return pluginCategory;
    }
    void setName(char * nm);
    void setUUID(char * nm);
    void setType(char * nm);
    void setCategory(char * nm);
    bool                isStatic;
    bool                isRegistered;       // true when all dll interfaces has been registered using LoadLibraryA and GetProcAddress
    PLUGIN_FACTORYFUNC  funcHandle;
  private:
    void clearMembers() {
#ifdef _WIN32
        dllHandle  = NULL;
#endif
        isStatic   = false;
        isRegistered = false;

        filename[0]   = 0;
        pluginType[0] = 0;
        pluginName[0] = 0;
        pluginUUID[0] = 0;
        pluginCategory[0] = 0;

        funcHandle = NULL;
    }

    char filename   [MAX_PLUGIN_FILENAME_STR];
    char pluginType [MAX_PLUGIN_TYPE_STR];
    char pluginName [MAX_PLUGIN_NAME_STR];
    char pluginUUID [MAX_PLUGIN_UUID_STR];
    char pluginCategory[MAX_PLUGIN_CATEGORY_STR];

#ifdef _WIN32
    HINSTANCE           dllHandle;
#endif

};

class PluginManager {
  public:
    PluginManager();
    ~PluginManager();
    void getPluginList(char * dirPath, bool append = false);
    void registerStaticPlugin(char *pluginType, char *pluginName, void *  makePlugin);
    void registerStaticPlugin(char *pluginType, char *pluginName, char *uuid, void *  makePlugin);
    bool PluginSupported(char *type, char *name);
    void getPluginDetails(PluginDetails *curPlugin);
    int  getNumPlugins();
    void *makeNewPluginInstance(int index);
    char *getPluginName(int index);
    char *getPluginUUID(int index);
    char *getPluginCategory(int index);
    char *getPluginType(int index);
    void *GetPlugin(char *type, const char *name);
    void *GetPlugin(char *uuid);
    bool RemovePlugin(char *type, char *name);
  private:
    bool         m_pluginlistset;
    char         m_pluginfolder [MAX_PLUGIN_FILENAME_STR];
    void         clearPluginList();
    std::vector<PluginDetails*> pluginRegister;
};

#endif