#include "commonheaders.h"

extern std::list<plugin*> plugins;

extern PLUGINLINK pluglink;

void load_modules()
{
	std::string path = boost::filesystem::initial_path().directory_string(); //need some workaround for windows than called indirectly
	path.append("/plugins");
	logger.log(LM_DEBUG, "Loading plugins...\n");
	boost::filesystem::path pth(path);
	if(!boost::filesystem::is_directory(pth))
		return;
	boost::filesystem::directory_iterator i(pth), end;
	while(i != end)
	{
		if(boost::filesystem::is_directory(*i)) //we not look in subdirectories
		{
			++i;
			continue;
		}
		if(!boost::filesystem::status_known((*i).status())) //worng data
		{
			++i;
			continue;
		}
		bool is_plugin = true;
		plugin::exported_functions_s *funcs = new plugin::exported_functions_s;
		ACE_DLL *dll = new ACE_DLL;
		boost::filesystem::path pth = i->path();
		if(dll->open(pth.string().c_str()) != -1)
		{
			if((funcs->Load = (load)dll->symbol("load")) == NULL)
				is_plugin = false;
			if((funcs->OnModulesLoaded = (on_modules_loaded)dll->symbol("on_modules_loaded")) == NULL)
				is_plugin = false;
			if((funcs->Unload = (unload)dll->symbol("unload")) == NULL)
				is_plugin = false;
			if((funcs->SetPluginInfo = (set_plugin_info)dll->symbol("set_plugin_info")) == NULL)
				is_plugin = false;
		}
		if(!is_plugin)
		{
			delete funcs;
			delete dll;
			continue;
		}
		PLUGININFO *info = funcs->SetPluginInfo();
		plugins.push_back(new plugin(dll, info, funcs));
		++i;		
	}
}
void run_plugins()
{ //now for testing only
	if(!plugins.empty())
	{
		std::list<plugin*>::iterator end = plugins.end();
		for(std::list<plugin*>::iterator i = plugins.begin(); i != end; ++i)
		{
			boost::thread *thr;
			thr = new boost::thread(boost::bind((*i)->get_exported_functions()->Load, &pluglink));
			thr->timed_join(boost::posix_time::seconds(10));
			delete thr;
			thr = new boost::thread(boost::bind((*i)->get_exported_functions()->OnModulesLoaded));
			thr->timed_join(boost::posix_time::seconds(15));
			delete thr;
		}
	}
}

plugin::plugin(ACE_DLL *lib, PLUGININFO *info, exported_functions_s *funcs)
{
	if(lib)
		plug = lib;
	else
		plug = NULL;
	if(info)
		plugininfo = info;
	else
		plugininfo = NULL;
	if(funcs)
		exported_funcs = funcs;
	else
		exported_funcs = NULL;
}

plugin::~plugin()
{
	if(plug)
		delete plug;
	if(exported_funcs)
		delete exported_funcs;
}

const plugin::exported_functions_s* plugin::get_exported_functions()
{
	return exported_funcs;
}