/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005 Christian Schoenebeck                              *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "MidiInputDeviceFactory.h"

#if HAVE_ALSA
# include "MidiInputDeviceAlsa.h"
#endif // HAVE_ALSA

#if HAVE_COREMIDI
# include "MidiInputDeviceCoreMidi.h"
#endif // HAVE_CORE_MIDI

#if HAVE_MIDISHARE
# include "MidiInputDeviceMidiShare.h"
#endif // HAVE_MIDISHARE

namespace LinuxSampler {

    std::map<String, MidiInputDeviceFactory::InnerFactory*> MidiInputDeviceFactory::InnerFactories;
    std::map<String, DeviceParameterFactory*> MidiInputDeviceFactory::ParameterFactories;

#if HAVE_ALSA
    REGISTER_MIDI_INPUT_DRIVER(MidiInputDeviceAlsa);
    /* Common parameters */
    REGISTER_MIDI_INPUT_DRIVER_PARAMETER(MidiInputDeviceAlsa, ParameterActive);
    REGISTER_MIDI_INPUT_DRIVER_PARAMETER(MidiInputDeviceAlsa, ParameterPorts);
#endif // HAVE_ALSA

#if HAVE_COREMIDI
    REGISTER_MIDI_INPUT_DRIVER(MidiInputDeviceCoreMidi);
    /* Common parameters */
    REGISTER_MIDI_INPUT_DRIVER_PARAMETER(MidiInputDeviceCoreMidi, ParameterActive);
    REGISTER_MIDI_INPUT_DRIVER_PARAMETER(MidiInputDeviceCoreMidi, ParameterPorts);
#endif // HAVE_COREMIDI

#if HAVE_MIDISHARE
    REGISTER_MIDI_INPUT_DRIVER(MidiInputDeviceMidiShare);
    /* Common parameters */
    REGISTER_MIDI_INPUT_DRIVER_PARAMETER(MidiInputDeviceMidiShare, ParameterActive);
    REGISTER_MIDI_INPUT_DRIVER_PARAMETER(MidiInputDeviceMidiShare, ParameterPorts);
#endif // HAVE_MIDISHARE

    MidiInputDevice* MidiInputDeviceFactory::Create(String DriverName, std::map<String,String> Parameters, Sampler* pSampler) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
	//Let's see if we need to create parameters
	std::map<String,DeviceCreationParameter*> thisDeviceParams;
	DeviceParameterFactory* pParamFactory = ParameterFactories[DriverName];
	if (pParamFactory) {
		thisDeviceParams = pParamFactory->CreateAllParams(Parameters);
	} else {
		//No parameters are registered by the driver. Throw if any parameters were specified.
		if (Parameters.size() != 0) throw LinuxSamplerException("Driver '" + DriverName + "' does not have any parameters.");
	}
	//Now create the device using those parameters
	MidiInputDevice* pDevice = InnerFactories[DriverName]->Create(thisDeviceParams, pSampler);
	//Now attach all parameters to the newely created device.
	for (std::map<String,DeviceCreationParameter*>::iterator iter = thisDeviceParams.begin(); iter != thisDeviceParams.end(); iter++) {
		iter->second->Attach(pDevice);
	}
	return pDevice;
    }

    std::vector<String> MidiInputDeviceFactory::AvailableDrivers() {
        std::vector<String> result;
        std::map<String, InnerFactory*>::iterator iter = InnerFactories.begin();
        while (iter != InnerFactories.end()) {
            result.push_back(iter->first);
            iter++;
        }
        return result;
    }

    String MidiInputDeviceFactory::AvailableDriversAsString() {
        std::vector<String> drivers = AvailableDrivers();
        String result;
        std::vector<String>::iterator iter = drivers.begin();
        for (; iter != drivers.end(); iter++) {
            if (result != "") result += ",";
            result += *iter;
        }
        return result;
    }

    std::map<String,DeviceCreationParameter*> MidiInputDeviceFactory::GetAvailableDriverParameters(String DriverName) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
	std::map<String,DeviceCreationParameter*> thisDeviceParams;
	DeviceParameterFactory* pParamFactory = ParameterFactories[DriverName];
	if (pParamFactory) {
		thisDeviceParams = pParamFactory->CreateAllParams();
	}
	return thisDeviceParams;
    }

    DeviceCreationParameter* MidiInputDeviceFactory::GetDriverParameter(String DriverName, String ParameterName) throw (LinuxSamplerException) {
        std::map<String,DeviceCreationParameter*> parameters = GetAvailableDriverParameters(DriverName);
        if (!parameters.count(ParameterName)) throw LinuxSamplerException("Midi input driver '" + DriverName + "' does not have a parameter '" + ParameterName + "'.");
        return parameters[ParameterName];
    }

    String MidiInputDeviceFactory::GetDriverDescription(String DriverName) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
        return InnerFactories[DriverName]->Description();
    }

    String MidiInputDeviceFactory::GetDriverVersion(String DriverName) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
        return InnerFactories[DriverName]->Version();
    }

} // namespace LinuxSampler