/*
  Copyright (c) 2011, The Mineserver Project
  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:
  * Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
  * Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
  * Neither the name of the The Mineserver Project nor the
    names of its contributors may be used to endorse or promote products
    derived from this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _PLUGIN_H
#define _PLUGIN_H

#include <string>
#include <map>
#include <vector>
#include <ctime>

//Fix Winsock2 error that occurs when Windows.h is included before it.
#define _WINSOCKAPI_

#ifdef WIN32
#include <windows.h>
#else
#include <dlfcn.h>
#endif

//#include "constants.h"
#include "tools.h"
#include "user.h"
#include "hook.h"

// A wild INCONSISTENCY appears!
//
//  --------------
// | >FIGHT  PkMn |
// |  ITEM   RUN  |
//  --------------
//
// deoxxa uses MACRO ATTACK!
//
#ifdef WIN32
#define LIBRARY_HANDLE HINSTANCE
#define LIBRARY_LOAD(x) LoadLibrary(x)
#define LIBRARY_SELF() GetModuleHandle(NULL)
#define LIBRARY_SYMBOL(x, y) GetProcAddress(x, y)
#define LIBRARY_ERROR() "Windows error handling needs work!" // <- NOTE
#define LIBRARY_CLOSE(x) FreeLibrary(x)
#define LIBRARY_EXTENSION ".dll"
#else
#define LIBRARY_HANDLE void*
#define LIBRARY_LOAD(x) dlopen(x, RTLD_LAZY)
#define LIBRARY_SELF() dlopen(NULL, RTLD_LAZY)
#define LIBRARY_SYMBOL(x, y) dlsym(x, y)
#define LIBRARY_ERROR() dlerror()
#define LIBRARY_CLOSE(x) dlclose(x)
#define LIBRARY_EXTENSION ".so"
#endif
#include "blocks/basic.h"
#include "items/itembasic.h"
//
// It's SUPER EFFECTIVE!
// Foe INCONSISTENCY fainted!
// You got 374¥ for winning!

class Plugin
{
public:
  // Hook registry stuff
  bool  hasHook(const std::string& name) const;
  Hook* getHook(const std::string& name) const;
  void  setHook(const std::string& name, Hook* hook);
  void  remHook(const std::string& name);
  // Load/Unload plugins
  bool loadPlugin(const std::string& name, const std::string& path = "", std::string alias = "");
  void unloadPlugin(const std::string name);
  // Plugin version registry
  bool  hasPluginVersion(const std::string& name) const;
  float getPluginVersion(const std::string& name) const;
  void  setPluginVersion(const std::string& name, float version);
  void  remPluginVersion(const std::string& name);
  // Pointer registry stuff
  bool  hasPointer(const std::string& name) const;
  void* getPointer(const std::string& name) const;
  void  setPointer(const std::string& name, void* pointer);
  void  remPointer(const std::string& name);
  // Create default hooks
  Plugin()
  {
    setHook("Timer200", new Hook0<bool>);
    setHook("Timer1000", new Hook0<bool>);
    setHook("Timer10000", new Hook0<bool>);
    setHook("PlayerLoginPre", new Hook2<bool, const char*, char***>);
    setHook("PlayerLoginPost", new Hook1<bool, const char*>);
    setHook("PlayerNickPost", new Hook2<bool, const char*, const char*>);
    setHook("PlayerKickPost", new Hook2<bool, const char*, const char*>);
    setHook("PlayerQuitPost", new Hook1<bool, const char*>);
    setHook("PlayerChatPre", new Hook3<bool, const char*, time_t, const char*>);
    setHook("PlayerChatPost", new Hook3<bool, const char*, time_t, const char*>);
    setHook("PlayerArmSwing", new Hook1<bool, const char*>);
    setHook("PlayerDamagePre", new Hook3<bool, const char*, const char*, int>);
    setHook("PlayerDamagePost", new Hook3<bool, const char*, const char*, int>);
    setHook("PlayerDisconnect", new Hook3<bool, const char*, uint32_t, uint16_t>);
    setHook("PlayerDiggingStarted", new Hook5<bool, const char*, int32_t, int8_t, int32_t, int8_t>);
    setHook("PlayerDigging", new Hook5<bool, const char*, int32_t, int8_t, int32_t, int8_t>);
    setHook("PlayerDiggingStopped", new Hook5<bool, const char*, int32_t, int8_t, int32_t, int8_t>);
    setHook("PlayerBlockInteract", new Hook4<bool, const char*, int32_t, int8_t, int32_t>);
    setHook("BlockBreakPre", new Hook4<bool, const char*, int32_t, int8_t, int32_t>);
    setHook("BlockBreakPost", new Hook4<bool, const char*, int32_t, int8_t, int32_t>);
    setHook("BlockNeighbourBreak", new Hook7<bool, const char*, int32_t, int8_t, int32_t, int32_t, int8_t, int32_t>);
    setHook("BlockPlacePre", new Hook6<bool, const char*, int32_t, int8_t, int32_t, int16_t, int8_t>);
    setHook("ItemRightClickPre", new Hook6<bool, const char*, int32_t, int8_t, int32_t, int16_t, int8_t>);
    setHook("BlockPlacePost", new Hook6<bool, const char*, int32_t, int8_t, int32_t, int16_t, int8_t>);
    setHook("BlockNeighbourPlace", new Hook7<bool, const char*, int32_t, int8_t, int32_t, int32_t, int8_t, int32_t>);
    setHook("BlockReplacePre", new Hook6<bool, const char*, int32_t, int8_t, int32_t, int16_t, int16_t>);
    setHook("BlockReplacePost", new Hook6<bool, const char*, int32_t, int8_t, int32_t, int16_t, int16_t>);
    setHook("BlockNeighbourReplace", new Hook9<bool, const char*, int32_t, int8_t, int32_t, int32_t, int8_t, int32_t, int16_t, int16_t>);
    setHook("LogPost", new Hook3<bool, int, const char*, const char*>);
    setHook("PlayerChatCommand", new Hook4<bool, const char*, const char*, int, const char**>);
    setHook("PlayerRespawn", new Hook1<bool, const char*>);
  setHook("gotAttacked", new Hook2<bool, const char*, int32_t>);

    init();
  }
  // Remove existing hooks
  ~Plugin()
  {
    std::map<std::string, Hook*>::iterator it = m_hooks.begin();
    for (; it != m_hooks.end(); ++it)
    {
      delete it->second;
    }
    m_hooks.clear();

    free();
  }

  void init();
  void free();
  std::vector<BlockBasic*> getBlockCB()
  {
    return BlockCB;
  }
  std::vector<ItemBasic*> getItemCB()
  {
    return ItemCB;
  }



private:
  std::map<std::string, Hook*> m_hooks;
  std::map<std::string, LIBRARY_HANDLE> m_libraryHandles;
  std::map<std::string, void*> m_pointers;
  std::map<std::string, float> m_pluginVersions;

  std::vector<BlockBasic*> BlockCB;
  std::vector<ItemBasic*> ItemCB;
};

#endif