#include "gtl_hw.h"

namespace gtl
{
    namespace hw
    {
        hw::hw(QString path, QObject* parent) : QObject(parent)
        {
            QDir dir(path);

            qDebug() << "loading hardware plugins. path:" << dir.absolutePath();

            QStringList plugins = dir.entryList(QStringList() << "*.dll", QDir::Files);

            for (int i = 0; i < plugins.size(); i++)
            {
                QPluginLoader loader(dir.absoluteFilePath(plugins[i]));
                QObject* obj = loader.instance();
                if (obj)
                {
                    if(loader.metaData().value("IID").toString() == "gtlab.hardware")
                        _instances.insert(qobject_cast<hardware_interface*>(obj)->id(), obj);
                    else
                        loader.unload();
                }

            }


        }

        QStringList hw::devices() const
        {
            return _instances.keys();
        }

        device *hw::create_device(QString device, QObject* parent)
        {
            QMultiMap<QString, QObject*>::iterator iter_device = _instances.find(device);
            if(iter_device == _instances.end())
                return NULL;

            return qobject_cast<hardware_interface*>(iter_device.value())->create_device(parent);
        }
    }
}