/*
 * Copyright 2016 (c) Anna Schumaker.
 */
#ifndef OCARINA_GUI_MODEL_H
#define OCARINA_GUI_MODEL_H
#include <core/queue.h>
#include <gtk/gtk.h>

#define GUI_QUEUE_MODEL_TYPE (gui_queue_model_get_type())
#define GUI_QUEUE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), \
			      GUI_QUEUE_MODEL_TYPE, GuiQueueModel))

enum queue_model_columns {
	Q_MODEL_TRACK_NR,
	Q_MODEL_TITLE,
	Q_MODEL_LENGTH,
	Q_MODEL_ARTIST,
	Q_MODEL_ALBUM,
	Q_MODEL_YEAR,
	Q_MODEL_GENRE,
	Q_MODEL_COUNT,
	Q_MODEL_LAST_PLAY,
	Q_MODEL_FILE_PATH,
	Q_MODEL_FONT,
	Q_MODEL_N_COLUMNS,
};


typedef struct _gui_queue_model       GuiQueueModel;
typedef struct _gui_queue_model_class GuiQueueModelClass;

struct _gui_queue_model {
	GObject gqm_parent; /* This MUST be the first member.       */
	gint    gqm_stamp;  /* This is used to check iter validity. */

	struct queue     *gqm_queue; /* The model's associated queue.  */
	struct queue_iter gqm_iter;  /* The current _q_iter.           */
};

struct _gui_queue_model_class {
	GObjectClass parent_class;
};


/* Called to allocate a new GuiQueueModel */
GuiQueueModel *gui_queue_model_new(struct queue *);

/* Called to find the GType of the GuiQueueModel */
GType gui_queue_model_get_type();

/* Called to add a row to the model */
void gui_queue_model_add(GuiQueueModel *, unsigned int);

/* Called to remove a row from the model */
void gui_queue_model_remove(GuiQueueModel *, unsigned int);

/* Called to remove all rows from the model */
void gui_queue_model_clear(GuiQueueModel *, unsigned int);

/* Called to update a row in the model */
void gui_queue_model_update(GuiQueueModel *, unsigned int);

/* Called to convert a GtkTreeIter into a struct track */
static inline
struct track *gui_queue_model_iter_get_track(GuiQueueModel *model,
					     GtkTreeIter   *iter)
{
	g_return_val_if_fail(iter != NULL, NULL);
	g_return_val_if_fail(iter->user_data2 != NULL, NULL);
	return (struct track *)iter->user_data2;
}

/* Called to convert a GtkTreePath into a struct track */
struct track *gui_queue_model_path_get_track(GuiQueueModel *, GtkTreePath *);

#endif /* OCARINA_GUI_MODEL_H */