/*
 *	aegis - project change supervisor
 *	Copyright (C) 1999, 2001 Peter Miller;
 *	All rights reserved.
 *
 *	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, USA.
 *
 * MANIFEST: functions to manipulate versions
 */

#include <ac/stdio.h>

#include <ael/change/version.h>
#include <change.h>
#include <change/branch.h>
#include <option.h>
#include <project.h>
#include <project_hist.h>
#include <trace.h>
#include <user.h>


void
list_version(project_name, change_number)
	string_ty	*project_name;
	long		change_number;
{
	project_ty	*pp;
	cstate		cstate_data;
	change_ty	*cp;
	user_ty		*up;
	string_ty	*vs;

	/*
	 * locate project data
	 */
	trace(("list_version()\n{\n"));
	if (!project_name)
		project_name = user_default_project();
	else
		project_name = str_copy(project_name);
	pp = project_alloc(project_name);
	str_free(project_name);
	project_bind_existing(pp);

	/*
	 * locate user data
	 */
	up = user_executing(pp);

	/*
	 * locate change data
	 */
	if (!change_number)
		change_number = user_default_change(up);
	cp = change_alloc(pp, change_number);
	change_bind_existing(cp);

	cstate_data = change_cstate_get(cp);
	vs = project_version_short_get(pp);
	if (option_terse_get())
	{
		if (cstate_data->state == cstate_state_being_developed)
		{
			/* ...punctuation? */
			printf
			(
				"%s.C%3.3ld\n",
				vs->str_text,
				magic_zero_decode(change_number)
			);
		}
		else
		{
			/* ...punctuation? */
			printf("%s.D%3.3ld\n", vs->str_text, cstate_data->delta_number);
		}
	}
	else
	{
		/*
		 * a century should be enough
		 * for a while, at least :-)
		 */
		int		cy[100];
		int		ncy;
		string_ty	*s;

		printf("version = \"%s\";\n", vs->str_text);
		if (cstate_data->state == cstate_state_being_developed)
		{
			printf
			(
				"change_number = %ld;\n",
				magic_zero_decode(change_number)
			);
		}
		else
		{
			printf
			(
				"delta_number = %ld;\n",
				cstate_data->delta_number
			);
		}
		s = project_version_previous_get(pp);
		if (s)
			printf("version_previous = \"%s\";\n", s->str_text);
		change_copyright_years_get(cp, cy, SIZEOF(cy), &ncy);
		if (ncy)
		{
			int		j;

			printf("copyright_years = [");
			for (j = 0; j < ncy; ++j)
			{
				if (j)
					printf(", ");
				printf("%d", cy[j]);
			}
			printf("];\n");
		}
	}
	change_free(cp);
	project_free(pp);
	user_free(up);
	trace(("}\n"));
}