/*
 * changelist.cpp by Matthis Braun <matze@braunis.de>
 *
 * Copyright (C) 2002 Atomic Blue (info@planeshift.it, http://www.atomicblue.org) 
 *
 *
 * 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 (version 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */
#include <psconfig.h>

#include "updaterglobals.h"
#include "changelist.h"

namespace updater
{

ChangeList::ChangeList ()
{
}

ChangeList::~ChangeList ()
{
}

// Print our changelist
csString ChangeList::CreateList (bool print)
{
    size_t totalSize=0,files = 0;
    csString output;

    for (size_t i=0; i<Length(); i++)
    {

        csString entry;
        Change change = Get(i);
        switch (change.type)
        {
            case Change::CREATEFILE:
            {
                if (change.file->inZip)
                    entry = "Merge    ";
                else
                    entry = "Create   ";
            
                break;
            }
            case Change::REMOVEFILE:
            entry = "Remove   ";
            break;
            case Change::MOVEFILEAWAY:
            entry = "Move     ";
            break;
            case Change::UPDATEFILE:
            entry = "Update   ";
            break;
            case Change::UPDATEZIP:
            entry = "Get Zip  ";
            break;
            default:
            entry = "Unknown Change Type (This shouldn't happen)";
        }

        if(change.type==Change::UPDATEZIP)
            entry += change.file->parentZip;
        else
            entry += change.file->file;

        if (change.file->inZip && change.type != Change::UPDATEZIP)
        {
            entry += " (ZIP)";
        }

        if (change.file->size > 0)
        {
            files++;
        }
        
        if(change.type != Change::REMOVEFILE && change.type != Change::MOVEFILEAWAY)
        {
            // Increase the total size
            if(change.type != Change::UPDATEZIP)
                totalSize += change.file->size;
            else
                totalSize += change.file->parentSize;
        }

        output += entry + "\n";
        if(print) psupdaterengine->OutToScreen(entry);
    }

    if (totalSize == 0)
        return csString("");

    //Make it not so many numbers..
    csString unit;
    float fsize;
    if (totalSize > 1024 && totalSize < (1024 * 1024))
    {
        fsize = totalSize / 1024;
        unit = "KB";
    }
    else if ( totalSize > (1024*1024) )
    {
        fsize = float(totalSize / 1024) / 1024;
        unit = "MB";
    }
    else
    {
        fsize = totalSize;
        unit = "B";
    }

    csString total;
    total.Format("Total size %0.2f %s in %d files",fsize,unit.GetData(),files);
    if(print) psupdaterengine->OutToScreen(total);
    
    output += total;

    return output;
}




} // end of namespace updater