/*
 * Copyright (C) 2005-2008 by Daniel Wagner
 * Copyright (C) 2005-2008 by Pieter Palmers
 *
 * This file is part of FFADO
 * FFADO = Free Firewire (pro-)audio drivers for linux
 *
 * FFADO is based upon FreeBoB
 *
 * 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) version 3 of the License.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 *
 */

#include "ffadodevice.h"
#include "devicemanager.h"

#include "libieee1394/configrom.h"
#include "libieee1394/ieee1394service.h"

#include "libcontrol/Element.h"
#include "libcontrol/ClockSelect.h"
#include "libcontrol/Nickname.h"

#include <iostream>
#include <sstream>
#include <unistd.h>

#include <assert.h>

IMPL_DEBUG_MODULE( FFADODevice, FFADODevice, DEBUG_LEVEL_NORMAL );

FFADODevice::FFADODevice( DeviceManager& d, std::auto_ptr<ConfigRom>( configRom ) )
    : Control::Container(&d)
    , m_pConfigRom( configRom )
    , m_pDeviceManager( d )
{
    addOption(Util::OptionContainer::Option("id",m_pConfigRom->getGuidString()));

    std::ostringstream nodestr;
    nodestr << "node" << getConfigRom().getNodeId();

    if (!addElement(&getConfigRom())) {
        debugWarning("failed to add ConfigRom to Control::Container\n");
    }

    m_genericContainer = new Control::Container(this, "Generic");
    if(m_genericContainer == NULL) {
        debugError("Could not create Control::Container for generic controls\n");
    } else {

        if (!addElement(m_genericContainer)) {
            debugWarning("failed to add generic container to Control::Container\n");
        }
        // add a generic control for the clock source selection
        if(!m_genericContainer->addElement(new Control::ClockSelect(*this))) {
            debugWarning("failed to add clock source control to container\n");
        }
        // add a generic control for the sample rate selection
        if(!m_genericContainer->addElement(new Control::SamplerateSelect(*this))) {
            debugWarning("failed to add sample rate control to container\n");
        }
        // add a generic control for the nickname
        if(!m_genericContainer->addElement(new Control::Nickname(*this))) {
            debugWarning("failed to add Nickname control to container\n");
        }
        // add a generic control for the streaming status
        if(!m_genericContainer->addElement(new Control::StreamingStatus(*this))) {
            debugWarning("failed to add StreamingStatus control to container\n");
        }
    }
}

FFADODevice::~FFADODevice()
{
    if (!deleteElement(&getConfigRom())) {
        debugWarning("failed to remove ConfigRom from Control::Container\n");
    }

    // remove generic controls if present
    if(m_genericContainer) {
        if (!deleteElement(m_genericContainer)) {
            debugError("Generic controls present but not registered to the avdevice\n");
        }
        // remove and delete (as in free) child control elements
        m_genericContainer->clearElements(true);
        delete m_genericContainer;
    }
}

FFADODevice *
FFADODevice::createDevice(std::auto_ptr<ConfigRom>( x ))
{
    // re-implement this!!
    assert(0);
    return NULL;
}

std::string
FFADODevice::getName()
{
    return getConfigRom().getGuidString();
}

int
FFADODevice::getNodeId()
{
    return getConfigRom().getNodeId();
}

bool FFADODevice::compareGUID( FFADODevice *a, FFADODevice *b ) {
    assert(a);
    assert(b);
    return ConfigRom::compareGUID(a->getConfigRom(), b->getConfigRom());
}

ConfigRom&
FFADODevice::getConfigRom() const
{
    return *m_pConfigRom;
}

Ieee1394Service&
FFADODevice::get1394Service()
{
    return getConfigRom().get1394Service();
}

bool
FFADODevice::loadFromCache()
{
    return false;
}

bool
FFADODevice::saveCache()
{
    return false;
}

bool
FFADODevice::needsRediscovery()
{
    // require rediscovery by default
    return true;
}

enum FFADODevice::eSyncState
FFADODevice::getSyncState( ) {
    return eSS_Unknown;
}

enum FFADODevice::eStreamingState
FFADODevice::getStreamingState()
{
    return eSS_Idle;
}

bool
FFADODevice::setNickname( std::string name)
{
    return false;
}

std::string
FFADODevice::getNickname()
{
    return "Unsupported";
}

bool
FFADODevice::canChangeNickname()
{
    return false;
}

void
FFADODevice::handleBusReset()
{
    debugOutput( DEBUG_LEVEL_VERBOSE, "Handle bus reset...\n");

    // update the config rom node id
    sleep(1);

    Util::MutexLockHelper lock(m_DeviceMutex);
    getConfigRom().setVerboseLevel(getDebugLevel());
    getConfigRom().updatedNodeId();
}

void
FFADODevice::setVerboseLevel(int l)
{
    debugOutput( DEBUG_LEVEL_VERBOSE, "Setting verbose level to %d...\n", l );
    setDebugLevel(l);
    m_DeviceMutex.setVerboseLevel(l);
    getConfigRom().setVerboseLevel(l);
}

void
FFADODevice::showDevice()
{
    #ifdef DEBUG
    Ieee1394Service& s = getConfigRom().get1394Service();
    debugOutput(DEBUG_LEVEL_NORMAL, "Attached to port.......: %d (%s)\n",
                                    s.getPort(), s.getPortName().c_str());
    debugOutput(DEBUG_LEVEL_NORMAL, "Node...................: %d\n", getNodeId());
    debugOutput(DEBUG_LEVEL_NORMAL, "Vendor name............: %s\n",
                                    getConfigRom().getVendorName().c_str());
    debugOutput(DEBUG_LEVEL_NORMAL, "Model name.............: %s\n",
                                    getConfigRom().getModelName().c_str());
    debugOutput(DEBUG_LEVEL_NORMAL, "GUID...................: %s\n",
                                    getConfigRom().getGuidString().c_str());

    std::string id=std::string("dev? [none]");
    getOption("id", id);

    debugOutput(DEBUG_LEVEL_NORMAL, "Assigned ID....: %s\n", id.c_str());

    flushDebugOutput();
    #endif
}


bool
FFADODevice::enableStreaming() {
    return true;
}

bool
FFADODevice::disableStreaming() {
    return true;
}

const char *
FFADODevice::ClockSourceTypeToString(enum eClockSourceType t)
{
    switch(t) {
        default:            return "Erratic type      ";
        case eCT_Invalid:   return "Invalid           ";
        case eCT_Internal:  return "Internal          ";
        case eCT_1394Bus:   return "1394 Bus          ";
        case eCT_SytMatch:  return "Compound Syt Match";
        case eCT_SytStream: return "Sync Syt Match    ";
        case eCT_WordClock: return "WordClock         ";
        case eCT_SPDIF:     return "SPDIF             ";
        case eCT_ADAT:      return "ADAT              ";
        case eCT_TDIF:      return "TDIF              ";
        case eCT_AES:       return "AES               ";
    }
}