/*------------------------------------------------------------------------------
-- This file is a part of the QLop Software
-- Copyright (C) 2015, Plasma Physics Laboratory - CNRS
--
-- 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
-------------------------------------------------------------------------------*/
/*-- Author : Alexis Jeandet
-- Mail : alexis.jeandet@member.fsf.org
----------------------------------------------------------------------------*/

#include "exptimetabledownloader.h"
#include <QFile>
#include <QString>
#include <QStringList>
#include <QDate>
#include <QDateTime>
#include <QDebug>

ExpTimeTableDownLoader::ExpTimeTableDownLoader(QObject *parent) : QObject(parent)
{

}

ExpTimeTableDownLoader::~ExpTimeTableDownLoader()
{

}

bool ExpTimeTableDownLoader::parseFile(const QString &fileName)
{
    QFile file(fileName);
    if (!file.open(QIODevice::ReadOnly))
        return false;
    m_intervals.clear();
    while (!file.atEnd())
    {
           QString line = file.readLine();
           ExpXmlDownLoaderIntervals interval;
           line = line.trimmed();
           if(!line.contains("AMDA Search:") && (line[0]!='#') && (line.count()>0))
           {
               QStringList lineST = line.split(" ");
               interval.start = lineST.at(0);
               interval.stop = lineST.at(1);
               m_intervals.append(interval);
           }
    }
    makeDownloadList();
    return true;
}

void ExpTimeTableDownLoader::addDaysToDownload(QList<QDate> days)
{
    for(int i=0;i<days.count();i++)
    {
        if(!m_FilesToDownload.contains(days.at(i)))
        {
            m_FilesToDownload.append(days.at(i));
        }
    }
}

const QList<QDate> &ExpTimeTableDownLoader::daysToDownload()
{
    return m_FilesToDownload;
}

void ExpTimeTableDownLoader::makeDownloadList()
{
    for(int i=0;i<m_intervals.count();i++)
    {
        QList<QDate> daysToDl;
        QDateTime start,stop;
        start=start.fromString(m_intervals[i].start,Qt::ISODate);
        stop=stop.fromString(m_intervals[i].stop,Qt::ISODate);
        int days=start.daysTo(stop);
        daysToDl.append(start.date());
        if(days)
        {
            for(int j=0;j<days;j++)
            {
                daysToDl.append(start.addDays(j+1).date());
            }
        }
        addDaysToDownload(daysToDl);
    }
    qDebug()<<m_FilesToDownload.count();
}