/*
 * Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
 * Copyright (C) 2009-2011 MaNGOSZero <https://github.com/mangos/zero>
 * Copyright (C) 2011-2016 Nostalrius <https://nostalrius.org>
 * Copyright (C) 2016-2017 Elysium Project <https://github.com/elysium-project>
 *
 * 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 <stdio.h>

#include "ProgressBar.h"
#include "Errors.h"

bool BarGoLink::m_showOutput = true;

char const* const BarGoLink::empty = " ";
#ifdef _WIN32
char const* const BarGoLink::full = "\x3D";
#else
char const* const BarGoLink::full = "*";
#endif

BarGoLink::BarGoLink(int row_count)
{
 init(row_count);
}

BarGoLink::BarGoLink(uint32 row_count)
{
 //MANGOS_ASSERT(row_count < (uint32)ACE_INT32_MAX);
 init((int)row_count);
}

BarGoLink::BarGoLink(uint64 row_count)
{
 //MANGOS_ASSERT(row_count < (uint64)ACE_INT32_MAX);
 init((int)row_count);
}

BarGoLink::~BarGoLink()
{
 if (!m_showOutput)
 return;

 printf( "\n" );
 fflush(stdout);
}

void BarGoLink::init(int row_count)
{
 rec_no = 0;
 rec_pos = 0;
 indic_len = 50;
 num_rec = row_count;

 if (!m_showOutput)
 return;

 #ifdef _WIN32
 printf( "\x3D" );
 #else
 printf( "[" );
 #endif
 for ( int i = 0; i < indic_len; i++ ) printf( empty );
 #ifdef _WIN32
 printf( "\x3D 0%%\r\x3D" );
 #else
 printf( "] 0%%\r[" );
 #endif
 fflush(stdout);
}

void BarGoLink::step()
{
 if (!m_showOutput)
 return;

 int i, n;

 if ( num_rec == 0 ) return;
 ++rec_no;
 n = rec_no * indic_len / num_rec;
 if ( n != rec_pos )
 {
 #ifdef _WIN32
 printf( "\r\x3D" );
 #else
 printf( "\r[" );
 #endif
 for ( i = 0; i < n; i++ ) printf( full );
 for ( ; i < indic_len; i++ ) printf( empty );
 float percent = (((float)n/(float)indic_len)*100);
 #ifdef _WIN32
 printf( "\x3D %i%% \r\x3D", (int)percent);
 #else
 printf( "] %i%% \r[", (int)percent);
 #endif
 fflush(stdout);

 rec_pos = n;
 }
}

// avoid use inline version because linking problems with private static field
void BarGoLink::SetOutputState(bool on)
{
 m_showOutput = on;
}