/* WMix -- a mixer using the OSS mixer API.
 * Copyright (C) 2014 Christophe CURIS for the WindowMaker Team
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
/*
 * config.c: functions related to loading the configuration from file
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <sys/soundcard.h>

#include "include/common.h"
#include "include/config.h"


/* The global configuration */
struct _Config config;


/*
 * Read configuration from a file
 *
 * The file name is taken from CLI if available, of falls back to
 * a default name.
 */
void config_read(void)
{
	FILE *fp;
	char buf[512];
	char *ptr;

	if (config.file == NULL)
		return;

	fp = fopen(config.file, "r");
	if (!fp)
		return;

	while (fgets(buf, 512, fp)) {
		if ((ptr = strstr(buf, "mousewheel="))) {
			ptr += 11;
			config.mousewheel = atoi(ptr);
		}
		if ((ptr = strstr(buf, "scrolltext="))) {
			ptr += 11;
			config.scrolltext = atoi(ptr);
		}
		if ((ptr = strstr(buf, "osd="))) {
			ptr += 4;
			config.osd = atoi(ptr);
		}
		if ((ptr = strstr(buf, "osdcolor="))) {
			char *end;
			ptr += 9;
			end = strchr(ptr, '\n');
			ptr[end - ptr] = '\0';
			if (config.osd_color)
				free(config.osd_color);
			config.osd_color = strdup(ptr);
		}
		if ((ptr = strstr(buf, "wheelstep="))) {
			ptr += 10;
			/* detect old style config */
			if (atoi(ptr) > 1)
				config.scrollstep = (float)atoi(ptr) / 100.0;
			else
				config.scrollstep = atof(ptr);
		}
		if ((ptr = strstr(buf, "wheelbtn1="))) {
			ptr += 10;
			config.wheel_button_up = atoi(ptr);
		}
		if ((ptr = strstr(buf, "wheelbtn2="))) {
			ptr += 10;
			config.wheel_button_down = atoi(ptr);
		}
	}
	fclose(fp);
}