#include "PluginRegister.h"
#include "plugin_support/PluginModule.h"
#include <QDebug>


PluginRegister* PluginRegister::s_pluginRegister;

PluginRegister* PluginRegister::getInstance()
{
	static std::mutex m;
	// check if set without locking first (in most cases it will be set and it will never be unset) so locking the mutex everytime
	// is a waist of time.
	if (!s_pluginRegister) {
		// not set then lock
		std::lock_guard<std::mutex> guard(m);
		// recheck in case someone else just set it
		if (!s_pluginRegister) {
			s_pluginRegister = new PluginRegister;
		}
	}
	return s_pluginRegister;
}

PluginRegister::PluginRegister() = default;

void PluginRegister::registerModule(PluginModuleSPtr module)
{
	m_moduleMap.emplace(module->identifier(), module);
}

const PluginModule* PluginRegister::findModule(const QString &module_ident) const
{
	auto res = m_moduleMap.find(module_ident);
	if (res == m_moduleMap.end())
		return nullptr;
	return res->second.get();
}