/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
  Gpredict: Real-time satellite tracking and orbit prediction program

  Copyright (C)  2001-2007  Alexandru Csete, OZ9AEC.

  Authors: Alexandru Csete <csete@users.sourceforge.net>

  Comments, questions and bugreports should be submitted via
  http://sourceforge.net/projects/groundstation/
  More details can be found at the project home page:

  http://groundstation.sourceforge.net/
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, visit http://www.fsf.org/
*/
#ifndef TLE_UPDATE_H
#define TLE_UPDATE_H 1

#include <gtk/gtk.h>
#include "sgpsdp/sgp4sdp4.h"


/** \brief TLE format type flags. */
typedef enum {
	TLE_TYPE_NASA = 0   /*!< NASA two-line format (3 lines with name). */
} tle_type_t;


/** \brief TLE auto update frequency. */
typedef enum {
	TLE_AUTO_UPDATE_NEVER   = 0,  /*!< No auto-update, just warn after one week. */
	TLE_AUTO_UPDATE_MONTHLY = 1,
	TLE_AUTO_UPDATE_WEEKLY  = 2,
	TLE_AUTO_UPDATE_DAILY   = 3,
	TLE_AUTO_UPDATE_NUM
} tle_auto_upd_freq_t;


/** \brief Action to perform when it's time to update TLE. */
typedef enum {
	TLE_AUTO_UPDATE_NOACT   = 0,  /*!< No action (not a valid option). */
	TLE_AUTO_UPDATE_NOTIFY  = 1,  /*!< Notify user. */
	TLE_AUTO_UPDATE_GOAHEAD = 2   /*!< Perform unattended update. */
} tle_auto_upd_action_t;


/** \brief Data structure to hold a TLE set. */
typedef struct {
	gdouble  epoch;   /*!< Epoch. */
	gchar   *satname; /*!< Satellite name. */
	gchar   *line1;   /*!< Line 1. */
	gchar   *line2;   /*!< Line 2. */
} new_tle_t;


/** \brief Data structure to hold local TLE data. */
typedef struct {
	tle_t  tle;       /*!< TLE data. */
	gchar *filename;  /*!< File name where the TLE data is from */
} loc_tle_t;


void tle_update_from_files (const gchar *dir,
							const gchar *filter,
							gboolean silent,
							GtkWidget *progress,
							GtkWidget *label1,
							GtkWidget *label2);

void tle_update_from_network (gboolean silent,
							  GtkWidget *progress,
							  GtkWidget *label1,
							  GtkWidget *label2);

const gchar *tle_update_freq_to_str (tle_auto_upd_freq_t freq);


#endif