//
//	aegis - project change supervisor
//	Copyright (C) 2006-2008 Peter Miller
//
//	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 3 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, see
//	<http://www.gnu.org/licenses/>.
//

#include <common/trace.h>
#include <common/wstring/list.h>
#include <libaegis/change.h>
#include <libaegis/sub.h>
#include <libaegis/sub/change/active_direc.h>


wstring
sub_change_active_directory(sub_context_ty *scp, const wstring_list &arg)
{
    trace(("sub_development_directory()\n{\n"));
    wstring result;
    if (arg.size() != 1)
    {
	scp->error_set(i18n("requires zero arguments"));
    }
    else
    {
	change::pointer cp = scp->change_get();
	if (!cp)
	{
	    yuck:
	    scp->error_set(i18n("not valid in current context"));
	}
	else
	{
	    cstate_ty *cstate_data = cp->cstate_get();
	    switch (cstate_data->state)
	    {
	    case cstate_state_awaiting_development:
	    case cstate_state_completed:
		goto yuck;

	    case cstate_state_being_developed:
	    case cstate_state_awaiting_review:
	    case cstate_state_being_reviewed:
	    case cstate_state_awaiting_integration:
		result = wstring(change_development_directory_get(cp, 0));
		break;

	    case cstate_state_being_integrated:
		result = wstring(change_integration_directory_get(cp, 0));
		break;
	    }
	}
    }
    trace(("return %8.8lX;\n", (long)result.get_ref()));
    trace(("}\n"));
    return result;
}