/* mtp3_summary.c
 * Routines for MTP3 Statictics summary window
 *
 * Copyright 2004, Michael Lum <mlum [AT] telostech.com>
 * In association with Telos Technology Inc.
 *
 * Modified from gsm_map_summary.c
 *
 * $Id: mtp3_summary.c 42443 2012-05-05 20:51:14Z wmeier $
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <string.h>

#include <gtk/gtk.h>

#include "epan/packet_info.h"
#include "epan/epan.h"
#include "epan/value_string.h"
#include <epan/tap.h>
#include <epan/dissectors/packet-mtp3.h>

#include "../stat_menu.h"
#include "../globals.h"
#include "../file.h"
#include "../summary.h"

#include "ui/gtk/gui_stat_menu.h"
#include "ui/gtk/dlg_utils.h"
#include "ui/gtk/gui_utils.h"
#include "ui/gtk/mtp3_stat.h"

#define SUM_STR_MAX 1024


typedef struct _my_columns_t {
    guint32		value;
    const gchar		*strptr;
    GtkJustification	just;
} my_columns_t;

enum
{
   SI_COLUMN,
   NUM_MSUS_COLUMN,
   NUM_MSUS_SEC_COLUMN,
   NUM_BYTES_COLUMN,
   NUM_BYTES_MSU_COLUMN,
   NUM_BYTES_SEC_COLUMN,
   N_COLUMN /* The number of columns */
};

/* Create list */
static
GtkWidget* create_list(void)
{

    GtkListStore *list_store;
    GtkWidget *list;
    GtkTreeViewColumn *column;
    GtkCellRenderer *renderer;
    GtkTreeSortable *sortable;
	GtkTreeView     *list_view;
	GtkTreeSelection  *selection;

	/* Create the store */
    list_store = gtk_list_store_new(N_COLUMN,	/* Total number of columns XXX*/
                               G_TYPE_STRING,	/* SI				*/
                               G_TYPE_INT,		/* Num MSUs			*/
                               G_TYPE_STRING,	/* MSUs/sec			*/
                               G_TYPE_INT,		/* Num Bytes		*/
                               G_TYPE_STRING,	/* Bytes/MSU		*/
                               G_TYPE_STRING);	/* Bytes/sec		*/

    /* Create a view */
    list = gtk_tree_view_new_with_model (GTK_TREE_MODEL (list_store));

    list_view = GTK_TREE_VIEW(list);
    sortable = GTK_TREE_SORTABLE(list_store);

    /* Speed up the list display */
    gtk_tree_view_set_fixed_height_mode(list_view, TRUE);

    /* Setup the sortable columns */
    gtk_tree_sortable_set_sort_column_id(sortable, SI_COLUMN, GTK_SORT_ASCENDING);
    gtk_tree_view_set_headers_clickable(list_view, FALSE);

    /* The view now holds a reference.  We can get rid of our own reference */
    g_object_unref (G_OBJECT (list_store));

    /*
     * Create the first column packet, associating the "text" attribute of the
     * cell_renderer to the first column of the model
     */
    /* 1:st column */
    renderer = gtk_cell_renderer_text_new ();
    column = gtk_tree_view_column_new_with_attributes ("SI", renderer,
		"text",	SI_COLUMN,
		NULL);

    gtk_tree_view_column_set_sort_column_id(column, SI_COLUMN);
    gtk_tree_view_column_set_resizable(column, TRUE);
    gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
    gtk_tree_view_column_set_min_width(column, 110);

    /* Add the column to the view. */
    gtk_tree_view_append_column (list_view, column);

    /* 2:nd column... */
    renderer = gtk_cell_renderer_text_new ();
    column = gtk_tree_view_column_new_with_attributes ("Num MSUs", renderer,
		"text", NUM_MSUS_COLUMN,
		NULL);
    gtk_tree_view_column_set_sort_column_id(column, NUM_MSUS_COLUMN);
    gtk_tree_view_column_set_resizable(column, TRUE);
    gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
    gtk_tree_view_column_set_min_width(column, 100);
    gtk_tree_view_append_column (list_view, column);

    /* 3:d column... */
    renderer = gtk_cell_renderer_text_new ();
    column = gtk_tree_view_column_new_with_attributes ("MSUs/sec", renderer,
		"text", NUM_MSUS_SEC_COLUMN,
		NULL);
    gtk_tree_view_column_set_sort_column_id(column, NUM_MSUS_SEC_COLUMN);
    gtk_tree_view_column_set_resizable(column, TRUE);
    gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
    gtk_tree_view_column_set_min_width(column, 100);
    gtk_tree_view_append_column (list_view, column);

    /* 4:d column... */
    renderer = gtk_cell_renderer_text_new ();
    column = gtk_tree_view_column_new_with_attributes ("Num Bytes", renderer,
		"text", NUM_BYTES_COLUMN,
		NULL);
    gtk_tree_view_column_set_sort_column_id(column, NUM_BYTES_COLUMN);
    gtk_tree_view_column_set_resizable(column, TRUE);
    gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
    gtk_tree_view_column_set_min_width(column, 100);
    gtk_tree_view_append_column (list_view, column);

    /* 5:th column... */
    renderer = gtk_cell_renderer_text_new ();
    column = gtk_tree_view_column_new_with_attributes ("Bytes/MSU", renderer,
		"text", NUM_BYTES_MSU_COLUMN,
		NULL);


    gtk_tree_view_column_set_sort_column_id(column, NUM_BYTES_MSU_COLUMN);
    gtk_tree_view_column_set_resizable(column, TRUE);
    gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
    gtk_tree_view_column_set_min_width(column, 100);
    gtk_tree_view_append_column (list_view, column);

    /* 6:th column... */
    renderer = gtk_cell_renderer_text_new ();
    column = gtk_tree_view_column_new_with_attributes ("Bytes/sec", renderer,
		"text", NUM_BYTES_SEC_COLUMN,
		NULL);

    gtk_tree_view_column_set_sort_column_id(column, NUM_BYTES_SEC_COLUMN);
    gtk_tree_view_column_set_resizable(column, TRUE);
    gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
    gtk_tree_view_column_set_min_width(column, 100);
    gtk_tree_view_append_column (list_view, column);

    /* Now enable the sorting of each column */
    gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(list_view), TRUE);
    gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(list_view), TRUE);

    /* Setup the selection handler */
    selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(list));
    gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);

    return list;

}

static void
add_string_to_box(gchar *str, GtkWidget *box)
{
  GtkWidget *lb;
  lb = gtk_label_new(str);
  gtk_misc_set_alignment(GTK_MISC(lb), 0.0f, 0.5f);
  gtk_box_pack_start(GTK_BOX(box), lb,FALSE,FALSE, 0);
  gtk_widget_show(lb);
}



static void
mtp3_sum_draw(
    GtkWidget		*table,
    double		seconds,
    int			*tot_num_msus_p,
    double		*tot_num_bytes_p)
{
    char		*entries[N_COLUMN];
    int			i, j;
    int			num_msus;
    int			num_bytes;
    GtkListStore *list_store = NULL;
    GtkTreeIter  iter;

    *tot_num_msus_p = 0;
    *tot_num_bytes_p = 0;

    list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW (table))); /* Get store */

    for (i=0; i < MTP3_NUM_SI_CODE; i++)
    {
        j = 0;
        num_msus = 0;
        num_bytes = 0;

        while (j < mtp3_num_used)
        {
            num_msus += mtp3_stat[j].si_code[i].num_msus;
            num_bytes += mtp3_stat[j].si_code[i].size;

            j++;
        }

        *tot_num_msus_p += num_msus;
        *tot_num_bytes_p += num_bytes;

        entries[2] = (seconds) ? g_strdup_printf("%.2f", (double)num_msus/seconds) : g_strdup("N/A");
        entries[4] = (num_msus) ? g_strdup_printf("%.2f", (double)num_bytes/num_msus) : g_strdup("N/A");
        entries[5] = (seconds) ? g_strdup_printf("%.2f", (double)num_bytes/seconds) : g_strdup("N/A");

        gtk_list_store_insert_with_values( list_store , &iter, G_MAXINT,
           SI_COLUMN, mtp3_service_indicator_code_short_vals[i].strptr,
           NUM_MSUS_COLUMN, num_msus,
           NUM_MSUS_SEC_COLUMN, entries[2],
           NUM_BYTES_COLUMN, num_bytes,
           NUM_BYTES_MSU_COLUMN, entries[4],
           NUM_BYTES_SEC_COLUMN, entries[5],
           -1);

        g_free(entries[2]);
        g_free(entries[4]);
        g_free(entries[5]);
    }
}


void mtp3_sum_gtk_sum_cb(GtkAction *action _U_, gpointer user_data _U_)
{
  summary_tally summary;
  GtkWidget     *sum_open_w,
                *main_vb, *file_fr, *data_fr, *file_box,
		*data_box, *bbox, *close_bt,
		*tot_fr, *tot_box,
		*table, *table_fr;

  gchar			string_buff[SUM_STR_MAX];
  const char *  file_type;
  double		seconds;
  int			tot_num_msus;
  double		tot_num_bytes;

  /* initialize the tally */
  summary_fill_in(&cfile, &summary);

  /* initial computations */
  seconds = summary.stop_time - summary.start_time;

  sum_open_w = dlg_window_new("MTP3 Statistics: Summary");  /* transient_for top_level */
  gtk_window_set_destroy_with_parent (GTK_WINDOW(sum_open_w), TRUE);

  /* Container for each row of widgets */
  main_vb = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 3, FALSE);
  gtk_container_set_border_width(GTK_CONTAINER(main_vb), 5);
  gtk_container_add(GTK_CONTAINER(sum_open_w), main_vb);
  gtk_widget_show(main_vb);

  /* File frame */
  file_fr = gtk_frame_new("File");
  gtk_container_add(GTK_CONTAINER(main_vb), file_fr);
  gtk_widget_show(file_fr);

  file_box = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 3, FALSE);
  gtk_container_add(GTK_CONTAINER(file_fr), file_box);
  gtk_widget_show(file_box);

  /* filename */
  g_snprintf(string_buff, SUM_STR_MAX, "Name: %s", ((summary.filename) ? summary.filename : "None"));
  add_string_to_box(string_buff, file_box);

  /* length */
  g_snprintf(string_buff, SUM_STR_MAX, "Length: %" G_GINT64_MODIFIER "d", summary.file_length);
  add_string_to_box(string_buff, file_box);

  /* format */
  file_type = wtap_file_type_string(summary.file_type);
  g_snprintf(string_buff, SUM_STR_MAX, "Format: %s", (file_type ? file_type : "N/A"));
  add_string_to_box(string_buff, file_box);

  if (summary.has_snap) {
    /* snapshot length */
    g_snprintf(string_buff, SUM_STR_MAX, "Snapshot length: %u", summary.snap);
    add_string_to_box(string_buff, file_box);
  }

  /* Data frame */
  data_fr = gtk_frame_new("Data");
  gtk_container_add(GTK_CONTAINER(main_vb), data_fr);
  gtk_widget_show(data_fr);

  data_box = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 3, FALSE);
  gtk_container_add(GTK_CONTAINER(data_fr), data_box);
  gtk_widget_show(data_box);

  /*
   * We must have no un-time-stamped packets (i.e., the number of
   * time-stamped packets must be the same as the number of packets),
   * and at least two time-stamped packets, in order for the elapsed
   * time to be valid.
   */
  if (summary.packet_count_ts == summary.packet_count &&
      summary.packet_count_ts >= 2) {
    /* seconds */
    g_snprintf(string_buff, SUM_STR_MAX, "Elapsed time: %.3f seconds", summary.elapsed_time);
    add_string_to_box(string_buff, data_box);

    g_snprintf(string_buff, SUM_STR_MAX, "Between first and last packet: %.3f seconds", seconds);
    add_string_to_box(string_buff, data_box);
  }

  /* Packet count */
  g_snprintf(string_buff, SUM_STR_MAX, "Packet count: %i", summary.packet_count);
  add_string_to_box(string_buff, data_box);

  /* MTP3 SPECIFIC */
  table_fr = gtk_frame_new("Service Indicator (SI) Totals");
  gtk_container_add(GTK_CONTAINER(main_vb), table_fr);
  gtk_widget_show(table_fr);

  table = create_list();

  gtk_container_add(GTK_CONTAINER(table_fr), table);
  gtk_widget_show(table);


  mtp3_sum_draw(table, seconds, &tot_num_msus, &tot_num_bytes);

  /* Totals frame */
  tot_fr = gtk_frame_new("Totals");
  gtk_container_add(GTK_CONTAINER(main_vb), tot_fr);
  gtk_widget_show(tot_fr);

  tot_box = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 3, FALSE);
  gtk_container_add(GTK_CONTAINER(tot_fr), tot_box);
  gtk_widget_show(tot_box);

  g_snprintf(string_buff, SUM_STR_MAX, "Total MSUs: %u", tot_num_msus);
  add_string_to_box(string_buff, tot_box);

  /*
   * We must have no un-time-stamped packets (i.e., the number of
   * time-stamped packets must be the same as the number of packets),
   * and at least two time-stamped packets, in order for the elapsed
   * time to be valid.
   */
  if (summary.packet_count_ts == summary.packet_count &&
      summary.packet_count_ts >= 2) {
    if (seconds) {
      g_snprintf(string_buff, SUM_STR_MAX, "MSUs/second: %.2f", tot_num_msus/seconds);
    }
    else {
      g_snprintf(string_buff, SUM_STR_MAX, "MSUs/second: N/A");
    }
    add_string_to_box(string_buff, tot_box);
  }

  g_snprintf(string_buff, SUM_STR_MAX, "Total Bytes: %.0f", tot_num_bytes);
  add_string_to_box(string_buff, tot_box);

  if (tot_num_msus) {
    g_snprintf(string_buff, SUM_STR_MAX, "Average Bytes/MSU: %.2f", tot_num_bytes/tot_num_msus);
  }
  else {
    g_snprintf(string_buff, SUM_STR_MAX, "Average Bytes/MSU: N/A");
  }
  add_string_to_box(string_buff, tot_box);

  /*
   * We must have no un-time-stamped packets (i.e., the number of
   * time-stamped packets must be the same as the number of packets),
   * and at least two time-stamped packets, in order for the elapsed
   * time to be valid.
   */
  if (summary.packet_count_ts == summary.packet_count &&
      summary.packet_count_ts >= 2) {
    if (seconds) {
      g_snprintf(string_buff, SUM_STR_MAX, "Bytes/second: %.2f", tot_num_bytes/seconds);
    }
    else {
      g_snprintf(string_buff, SUM_STR_MAX, "Bytes/second: N/A");
    }
    add_string_to_box(string_buff, tot_box);
  }

  /* Button row. */
  bbox = dlg_button_row_new(GTK_STOCK_CLOSE, NULL);
  gtk_container_add(GTK_CONTAINER(main_vb), bbox);
  gtk_widget_show(bbox);

  close_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
  window_set_cancel_button(sum_open_w, close_bt, window_cancel_button_cb);

  g_signal_connect(sum_open_w, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);

  gtk_widget_show_all(sum_open_w);
  window_present(sum_open_w);
}


void
register_tap_listener_gtkmtp3_summary(void)
{
}