/* $Id$

   Copyright (C) 2023  Aamot Broadcast
   Author(s): Ole Aamot <ole@gnome.org>
   License: GNU GPL version 3
   Version: 0.0.1 (2023-04-30)
   Website: http://www.gingerblue.org/
   
*/

#include <gst/gst.h>
#include <gtk/gtk.h>
#include <glib/gstdio.h>
#include <glib/gi18n.h>
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include "garagejam.h"

GingerblueData *gb_file_parse_volume(GingerblueData *data, xmlDocPtr doc,
				     xmlNodePtr cur)
{
	GingerblueData *gbdata = (GingerblueData *) data;
	xmlNodePtr sub;
	gbdata->version =
	    (gchar *) xmlGetProp(cur, (const xmlChar *) "version");
	gbdata->volume =
	    (gchar *) xmlGetProp(cur, (const xmlChar *) "volume");
	sub = cur->xmlChildrenNode;
	while (sub != NULL) {
		if ((!xmlStrcmp(sub->name, (const xmlChar *) "line"))) {
			gbdata->line =
			    (gchar *) xmlNodeListGetString(doc,
							   sub->
							   xmlChildrenNode,
							   1);
		}
		if ((!xmlStrcmp(sub->name, (const xmlChar *) "musician"))) {
			gbdata->musician =
			    (gchar *) xmlNodeListGetString(doc,
							   sub->
							   xmlChildrenNode,
							   1);
		}
		if ((!xmlStrcmp
		     (sub->name,
		      (const xmlChar *) "musical_instrument"))) {
			gbdata->musical_instrument =
			    (gchar *) xmlNodeListGetString(doc,
							   sub->
							   xmlChildrenNode,
							   1);
		}
		if ((!xmlStrcmp(sub->name, (const xmlChar *) "volume"))) {
			gbdata->volume =
			    (gchar *) xmlNodeListGetString(doc,
							   sub->
							   xmlChildrenNode,
							   1);
		}
		sub = sub->next;
	}
	return (GingerblueData *) gbdata;
}

GingerblueData *gb_file_config_load(GingerblueData *head, gchar *filename)
{
	xmlDocPtr doc = NULL;
	xmlNodePtr cur = NULL;
	GingerblueData *curr = NULL;
	gchar *version;
	g_print("%s\n", filename);
	g_return_val_if_fail(filename != NULL, NULL);
	doc = xmlReadFile(filename, NULL, 0);
	if (doc == NULL) {
		perror("xmlParseFile");
		xmlFreeDoc(doc);
		return NULL;
	}
	cur = xmlDocGetRootElement(doc);
	if (cur == NULL) {
		fprintf(stderr, _("Empty document\n"));
		xmlFreeDoc(doc);
		return NULL;
	}
	if (xmlStrcmp(cur->name, (const xmlChar *) "garagejam")) {
		fprintf(stderr,
			_
			("Document of wrong type, root node != garagejam\n"));
		xmlFreeDoc(doc);
		return NULL;
	}
	version = (gchar *) xmlGetProp(cur, (const xmlChar *) "version");
	g_print(_("Valid GNOME Gingerblue %s XML document %s\n"), version,
		filename);
	cur = cur->xmlChildrenNode;
	while (cur != NULL) {
		g_print(_("Parsing GNOME Gingerblue %s XML document %s\n"),
			version, filename);
		if ((!xmlStrcmp(cur->name, (const xmlChar *) "line"))) {
			g_print(_("Found Line\n"));
			curr = g_new0(GingerblueData, 1);
			curr->line =
			    (gchar *) xmlNodeListGetString(doc,
							   cur->
							   xmlChildrenNode,
							   1);
			g_print("%s\n", curr->line);
			// curr = gb_file_parse_volume (curr, doc, cur);
			curr->next = head;
			head = curr;
			/* mem_volume = head */
			/* volumes = g_list_append (garagejam_volumes, (GingerblueData *)mem_volume); */
			g_print("Done with parsing Line\n");
		}
		if ((!xmlStrcmp(cur->name, (const xmlChar *) "musician"))) {
			g_print(_("Found Musician\n"));
			curr = g_new0(GingerblueData, 1);
			curr->musician =
			    (gchar *) xmlNodeListGetString(doc,
							   cur->
							   xmlChildrenNode,
							   1);
			g_print("%s\n", curr->musician);
			// curr = gb_file_parse_volume (curr, doc, cur);
			curr->next = head;
			head = curr;
			/* mem_volume = head */
			/* volumes = g_list_append (garagejam_volumes, (GingerblueData *)mem_volume); */
			g_print(_("Done with parsing Musician\n"));
		}
		if ((!xmlStrcmp
		     (cur->name,
		      (const xmlChar *) "musical_instrument"))) {
			g_print(_("Found Musical Instrument\n"));
			curr = g_new0(GingerblueData, 1);
			curr->musical_instrument =
			    (gchar *) xmlNodeListGetString(doc,
							   cur->
							   xmlChildrenNode,
							   1);
			g_print("%s\n", curr->musical_instrument);
			// curr = gb_file_parse_volume (curr, doc, cur);
			curr->next = head;
			head = curr;
			/* mem_volume = head */
			/* volumes = g_list_append (garagejam_volumes, (GingerblueData *)mem_volume); */
			g_print(_
				("Done with parsing Musical Instrument\n"));
		}
		if ((!xmlStrcmp(cur->name, (const xmlChar *) "volume"))) {
			g_print(_("Found Volume\n"));
			curr = g_new0(GingerblueData, 1);
			curr->volume =
			    (gchar *) xmlNodeListGetString(doc,
							   cur->
							   xmlChildrenNode,
							   1);
			g_print("%s\n", curr->volume);
			// curr = gb_file_parse_volume (curr, doc, cur);
			curr->next = head;
			head = curr;
			/* mem_volume = head */
			/* volumes = g_list_append (garagejam_volumes, (GingerblueData *)mem_volume); */
			g_print(_("Done with parsing Volume\n"));
		}
		cur = cur->next;
	}
	g_print(_("Finished parsing XML document\n"));
	xmlFreeDoc(doc);
	return curr;
}

/* int main (int argc, char **argv) */
/* { */
/* 	GingerblueData *data = NULL; */
/* 	data = gb_file_config_load (data, "garagejam.xml"); */
/* 	free (data); */
/* 	return (0); */
/* } */