/*
 * Copyright 2016 (c) Anna Schumaker.
 */
#include <core/idle.h>
#include <core/playlist.h>
#include <gui/sidebar.h>
#include <gui/window.h>
#include <glib/gi18n.h>

static bool __gui_pl_user_header(GtkTreeIter *iter)
{
	if (gui_sidebar_iter_first(iter))
		return gui_sidebar_iter_find(iter, "Playlists", PL_MAX_TYPE);
	return false;
}

static gint __gui_pl_user_compare(gconstpointer a, gconstpointer b)
{
	struct playlist *pl_a = (struct playlist *)a;
	struct playlist *pl_b = (struct playlist *)b;
	return g_utf8_collate(pl_a->pl_name, pl_b->pl_name);
}

static bool __gui_pl_user_init_idle()
{
	struct db_entry *user, *next;
	struct playlist *playlist;
	GtkTreeIter iter;

	if (!__gui_pl_user_header(&iter))
		return false;

	db_for_each(user, next, pl_user_db_get()) {
		playlist = &USER_PLAYLIST(user)->pl_playlist;
		gui_sidebar_iter_sort_child(&iter, playlist, "text-x-generic");
	}

	return true;
}

void __gui_pl_user_editing_started(GtkCellRenderer *renderer,
				   GtkCellEditable *editable,
				   gchar *path, gpointer data)
{
	struct playlist *playlist;
	GtkTreeIter iter;

	if (!gui_sidebar_iter_from_string(path, &iter))
		return;

	playlist = gui_sidebar_iter_playlist(&iter);
	if (GTK_IS_ENTRY(editable))
		gtk_entry_set_text(GTK_ENTRY(editable), playlist->pl_name);
}

void __gui_pl_user_edited(GtkCellRendererText *renderer, gchar *path,
			  gchar *new_name, gpointer data)
{
	struct playlist *playlist;
	GtkTreeIter iter;

	if (!gui_sidebar_iter_from_string(path, &iter))
		return;

	playlist = gui_sidebar_iter_playlist(&iter);
	pl_user_rename(playlist, new_name);
	gui_sidebar_iter_update_playlist(&iter, playlist);
	gui_sidebar_iter_set_editable(&iter, false);
}

void gui_pl_user_init()
{
	idle_schedule(IDLE_SYNC, __gui_pl_user_init_idle, NULL);
}

struct playlist *gui_pl_user_add(const gchar *name)
{
	struct playlist *playlist;
	GtkTreeIter iter;

	if (!__gui_pl_user_header(&iter))
		return NULL;

	playlist = playlist_new(PL_USER, name);
	if (playlist)
		gui_sidebar_iter_sort_child(&iter, playlist, "text-x-generic");
	return playlist;
}

struct playlist *gui_pl_user_add_dialog(void)
{
	unsigned int flags = GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL;
	GtkWidget *entry, *dialog, *content;
	struct playlist *playlist = NULL;

	entry  = gtk_entry_new();
	dialog = gtk_dialog_new_with_buttons("New Playlist Name?",
					     gui_window(), flags,
					     _("_Cancel"), GTK_RESPONSE_CANCEL,
					     _("_OK"),     GTK_RESPONSE_ACCEPT,
					     NULL);
	content = gtk_dialog_get_content_area(GTK_DIALOG(dialog));

	gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
	gtk_entry_set_activates_default(GTK_ENTRY(entry), true);
	gtk_container_add(GTK_CONTAINER(content), entry);
	gtk_widget_show_all(dialog);

	if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT)
		playlist = gui_pl_user_add(gtk_entry_get_text(GTK_ENTRY(entry)));
	gtk_widget_destroy(dialog);

	return playlist;
}

void gui_pl_user_update(struct playlist *playlist)
{
	GtkTreeIter iter, child;

	if (!__gui_pl_user_header(&iter))
		return;
	if (!gui_sidebar_iter_down(&iter, &child))
		return;
	if (gui_sidebar_iter_find(&child, playlist->pl_name, playlist->pl_type))
		gui_sidebar_iter_update(&child);
}

void gui_pl_user_select(struct playlist *playlist)
{
	GtkTreeIter iter, child;

	if (!__gui_pl_user_header(&iter))
		return;
	if (!gui_sidebar_iter_down(&iter, &child))
		return;
	if (gui_sidebar_iter_find(&child, playlist->pl_name, playlist->pl_type))
		gui_sidebar_iter_select(&child);
}

GList *gui_pl_user_list(void)
{
	struct db_entry *user, *next;
	struct playlist *playlist;
	GList *list = NULL;

	db_for_each(user, next, pl_user_db_get()) {
		playlist = &USER_PLAYLIST(user)->pl_playlist;
		list     = g_list_insert_sorted(list, playlist,
						__gui_pl_user_compare);
	}

	return list;
}