/*
 * 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_MODEL_TYPE (gui_model_get_type())
#define GUI_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), \
			GUI_MODEL_TYPE, GuiModel))

enum gui_model_columns {
	GUI_MODEL_TRACK_NR,
	GUI_MODEL_TITLE,
	GUI_MODEL_LENGTH,
	GUI_MODEL_ARTIST,
	GUI_MODEL_ALBUM,
	GUI_MODEL_YEAR,
	GUI_MODEL_GENRE,
	GUI_MODEL_COUNT,
	GUI_MODEL_LAST_PLAY,
	GUI_MODEL_FILE_PATH,
	GUI_MODEL_FONT,
	GUI_MODEL_N_COLUMNS,
};


struct gui_model {
	GObject gm_parent; /* This MUST be the first member.       */
	gint    gm_stamp;  /* This is used to check iter validity. */

	struct queue     *gm_queue; /* The model's associated queue.  */
	struct queue_iter gm_iter;  /* The current _q_iter.           */
};
typedef struct gui_model GuiModel;


struct gui_model_class {
	GObjectClass parent_class;
};
typedef struct gui_model_class GuiModelClass;


/* Called to initialize the GuiModel */
void gui_model_init(void);

/* Called to deinitialize the GuiModel */
void gui_model_deinit(void);

/* Called to get the GuiModel */
GuiModel *gui_model_get(void);

/* Called to find the GType of the GuiModel */
GType gui_model_get_type();

/* Called to add a row to the model */
void gui_model_add(struct queue *, unsigned int);

/* Called to remove a row from the model */
void gui_model_remove(struct queue *, unsigned int);

/* Called to remove all rows from the model */
void gui_model_clear(struct queue *, unsigned int);

/* Called to update a row in the model */
void gui_model_update(struct queue *, unsigned int);

/* Called to change the queue represented by the model. */
void gui_model_set_queue(struct queue *);

/* Called to get the queue currently attached to the model. */
struct queue *gui_model_get_queue(void);


/* Called to convert a GtkTreeIter into a struct track */
static inline struct track *gui_model_iter_get_track(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_model_path_get_track(GtkTreePath *);

#endif /* OCARINA_GUI_MODEL_H */