#include "ChannelFile.h"
#include <QDateTime>

ChannelFile::ChannelFile(QObject *parent) : Channel(parent)
{
 video=NULL;//Link::create("InputFile");
 audio=NULL;
 encV=Link::create("InputFile");
 encA=encV;
 index=-1;
 connect(encV,SIGNAL(newEvent(QString,QVariant)),this,SLOT(onNewEvent(QString,QVariant)));
}

void ChannelFile::init(QVariantMap)
{
 Channel::init();
}

void ChannelFile::updateConfig(QVariantMap cfg)
{
 if(cfg["enable"].toBool())
 {
 QVariantList list=cfg["file"].toList();
 playList.clear();
 for(int i=0;i<list.count();i++)
 {
 playList.append(list[i].toString());
 }
 if(list.count()>0 && index==-1)
 playNext();

 }
 else
 {
 index=-1;
 encV->stop();
 }
 Channel::updateConfig(cfg);
}

QVariantList ChannelFile::getPlayList()
{
 QVariantList ret;
 for(int i=0;i<playList.count();i++)
 {
 QVariantMap map;
 QString name=playList[i];
 map["name"]=name;
 if(!durationMap.contains(name))
 {
 durationMap[name]=encV->invoke("getDuration",fullPath(name)).toLongLong();
 }
 map["duration"]=durationMap[playList[i]];
 ret<<map;
 }
 return ret;
}

bool ChannelFile::seek(int index, qint64 time)
{
 this->index=index;
 QVariantMap data;
 data["path"]=playList[index];
 encV->start(data);
 encV->invoke("seek",time);
 return true;
}

QVariantMap ChannelFile::getPosition()
{
 QVariantMap ret;
 ret["file"]=file;
 ret["position"]=encV->invoke("getPosition").toInt();
 return ret;
}

bool ChannelFile::play(int index, int time)
{
 this->index =index-1;
 playNext();
 encV->invoke("seek",time);
 return true;
}

void ChannelFile::playNext()
{
 index=(index+1)%playList.count();
 QVariantMap data;
 file=playList[index];
 data["path"]=fullPath(playList[index]);
 qDebug()<<"Play"<< data["path"].toString();
 encV->start(data);

}

QString ChannelFile::fullPath(QString path)
{
 return "/root/usb/"+path;
}

void ChannelFile::onNewEvent(QString type, QVariant )
{
 qDebug()<<type;
 if(type!="EOF")
 return;

 playNext();
}