/*
 * Copyright 2015 (c) Anna Schumaker.
 */
#include <core/collection.h>
#include <core/history.h>
#include <core/queue.h>
#include <gui/builder.h>
#include <gui/settings.h>
#include <gui/sidebar.h>

const gchar *SIDEBAR_SETTING = "gui.sidebar.pos";
static GtkListStore *sb_store;

enum sidebar_columns {
	SB_IMAGE,
	SB_IMAGE_SZ,
	SB_TEXT,
	SB_QUEUE,
};

void __sidebar_set_queue(GtkTreeIter *iter, struct queue *queue)
{
	gtk_list_store_set(sb_store, iter, SB_QUEUE, queue, -1);
}

void __sidebar_resize(GtkPaned *pane, GParamSpec *pspec, gpointer data)
{
	gui_settings_set(SIDEBAR_SETTING, gtk_paned_get_position(pane));
}

void __sidebar_selection_changed(GtkTreeSelection *selection, gpointer data)
{
	GtkNotebook *notebook = GTK_NOTEBOOK(gui_builder_widget("o_notebook"));
	GtkTreeModel *model = GTK_TREE_MODEL(sb_store);
	GtkTreeIter iter;

	if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
		GtkTreePath *path = gtk_tree_model_get_path(model, &iter);
		unsigned int page = gtk_tree_path_get_indices(path)[0];

		gtk_notebook_set_current_page(notebook, page);
		gui_sidebar_selected(SB_SIDEBAR);
		gtk_tree_path_free(path);
	}
}

void __sidebar_deselect(const gchar *widget)
{
	GtkTreeView *treeview = GTK_TREE_VIEW(gui_builder_widget(widget));
	GtkTreeSelection *selection = gtk_tree_view_get_selection(treeview);

	gtk_tree_selection_unselect_all(selection);
}

void gui_sidebar_init()
{
	GtkPaned *pane = GTK_PANED(gui_builder_widget("o_sidebar"));
	GtkTreeIter iter;
	int pos;

	/* Set up entries in the liststore. */
	sb_store = GTK_LIST_STORE(gui_builder_object("o_sidebar_store"));

	gtk_tree_model_get_iter_first(GTK_TREE_MODEL(sb_store), &iter);
	__sidebar_set_queue(&iter, collection_get_queue());

	gtk_tree_model_iter_next(GTK_TREE_MODEL(sb_store), &iter);
	__sidebar_set_queue(&iter, history_get_queue());

	/* Set sidebar width. */
	pos = gui_settings_get(SIDEBAR_SETTING);
	if (pos > 0)
		gtk_paned_set_position(pane, pos);
}

gboolean gui_sidebar_on_select(GtkTreeSelection *selection,
			       GtkTreeModel *model, GtkTreePath *path,
			       gboolean selected, gpointer data)
{
	return gtk_tree_path_get_depth(path) != 1;
}

void gui_sidebar_selected(enum sidebar_selection_t selected)
{
	if (selected != SB_COLLECTION)
		__sidebar_deselect("o_collection_view");
	if (selected != SB_PLAYLIST)
		__sidebar_deselect("o_playlist_view");
	if (selected != SB_SIDEBAR)
		__sidebar_deselect("o_sidebar_view");
}