#include <string.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <gtk/gtk.h>
#include <glade/glade.h>
#include <libxml/tree.h>
#include <libxml/parser.h>
#include "web.h"
#include "web_bookmarks.h"

enum {
	COL_TITLE,
	COL_URL,
	COL_LAST
};

static void
web_gtkhtml2_print_dom (xmlNodePtr node, int depth)
{
	int i;
	xmlNodePtr child;
	
	if (depth == 0)
		g_debug ("--- Printing nodes ---");
	
	for (i = 0; i < depth; i++) g_print (" ");
	g_debug ("Node: %s (%s)", node->name, node->content);

	for (child = node->children; child; child = child->next)
		web_gtkhtml2_print_dom (child, depth + 1);
}

static void
web_bookmarks_create_tree (xmlNodePtr node, GtkListStore *store)
{
	xmlNodePtr child;

	/* FIXME: Validation/error checking...? */
	if (strcmp ((const char *)node->name, "item") == 0) {
		GtkTreeIter iter;
		const char *title = "", *link = "";
		for (child = node->children; child; child = child->next) {
			if (strcmp ((const char *)child->name, "title") == 0) {
				title = (const char *)child->children->content;
			} else if (strcmp ((const char *)child->name, "link")
				   == 0) {
				link = (const char *)child->children->content;
			}
		}
		gtk_list_store_insert_with_values (store, &iter, 0,
						   COL_TITLE, title,
						   COL_URL, link, -1);
	} else
		for (child = node->children; child; child = child->next)
			web_bookmarks_create_tree (child, store);
}

static void
web_bookmarks_cursor_changed_cb (GtkTreeView *tree, WebPages *pages)
{
	const gchar *url = NULL;
	GtkTreeIter iter;
	GtkTreeModel *model;
	GtkTreeSelection *selection = gtk_tree_view_get_selection (tree);
	if (!selection) return;
	
	if (!gtk_tree_selection_get_selected (selection, &model, &iter))
		return;
	
	gtk_tree_model_get (model, &iter, COL_URL, &url, -1);
	if (url)
		gtk_entry_set_text (GTK_ENTRY (glade_xml_get_widget (
			pages->xml, "url_entry")), url);
}

void
web_bookmarks_init (WebPages *pages)
{
	GtkWidget *widget;
	GtkListStore *model;
	GtkCellRenderer *renderer;
	gchar *home, *path;

	/* Create tree model */
	widget = glade_xml_get_widget (pages->xml, "bookmarks_treeview");
	renderer = gtk_cell_renderer_text_new ();
	gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW
						     (widget),
						     -1, "Title", renderer,
						     "text", COL_TITLE,
						     NULL);
/*	renderer = gtk_cell_renderer_text_new ();
	gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW
						     (widget),
						     -1, "URL", renderer,
						     "text", COL_URL,
						     NULL);*/
	model = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
	gtk_tree_view_set_model (GTK_TREE_VIEW (widget),
				 GTK_TREE_MODEL (model));

	/* Load Epiphany bookmarks rdf */
	home = getenv ("HOME");
	path = g_strconcat (home, G_DIR_SEPARATOR_S ".gnome2" 
		G_DIR_SEPARATOR_S "epiphany" G_DIR_SEPARATOR_S
		"bookmarks.rdf", NULL);

	pages->bookmarks = g_new0 (WebBookmarks, 1);
	pages->bookmarks->xml_doc = xmlReadFile (path, NULL, 0);
	if (pages->bookmarks->xml_doc)
		web_bookmarks_create_tree (pages->bookmarks->xml_doc->children,
					   model);
	else
		g_warning ("Failed to load bookmarks file (%s)", path);

	g_free (path);
	
	g_signal_connect (G_OBJECT (widget), "cursor-changed",
			  G_CALLBACK (web_bookmarks_cursor_changed_cb), pages);
}