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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/* 
 * Author : 
 *  Damon Chaplin <damon@gtk.org>
 *
 * Copyright 1999, Helix Code, Inc.
 *
 * 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 <time.h>
#include <gtk/gtkmain.h>
#include <gdk_imlib.h>
#include <libgnome/gnome-defs.h>
#include <libgnomeui/gnome-dialog.h>
#include <libgnomeui/gnome-init.h>
#include <libgnomeui/gnome-stock.h>
#include "e-meeting-time-sel.h"

void add_random_attendee_test_data (EMeetingTimeSelector *mts);
void add_simple_attendee_test_data (EMeetingTimeSelector *mts);
gint get_random_int (gint max);

int
main (int argc, char *argv[])
{
    GtkWidget *window, *mts;
    gint i;

    gnome_init ("test-meeting-time-selector", "0.1", argc, argv);

    gtk_widget_push_visual (gdk_imlib_get_visual ());
    gtk_widget_push_colormap (gdk_imlib_get_colormap ());

    window = gnome_dialog_new ("Plan a Meeting", "Make Meeting",
                   GNOME_STOCK_BUTTON_CLOSE, NULL);
    gtk_window_set_default_size (GTK_WINDOW (window), 600, 400);
    gtk_window_set_policy (GTK_WINDOW (window), FALSE, TRUE, FALSE);

    mts = e_meeting_time_selector_new ();
    gtk_container_add (GTK_CONTAINER (GNOME_DIALOG (window)->vbox), mts);
    gtk_window_add_accel_group (GTK_WINDOW (window),
                    E_MEETING_TIME_SELECTOR (mts)->accel_group);
    gtk_widget_show (mts);

    gtk_widget_pop_visual ();
    gtk_widget_pop_colormap ();

    i = 0;
#if 1
    for (i = 0; i < 20; i++) {
        add_random_attendee_test_data (E_MEETING_TIME_SELECTOR (mts));
    }

    if (!e_meeting_time_selector_attendee_set_busy_range (E_MEETING_TIME_SELECTOR (mts), 3,
                                  2000, 5, 1, 14, 0,
                                  2000, 11, 1, 11, 30))
        g_print ("Error setting busy range\n");

#else
    for (i = 0; i < 1; i++) {
        add_simple_attendee_test_data (E_MEETING_TIME_SELECTOR (mts));
    }
#endif

#if 0
    e_meeting_time_selector_dump (E_MEETING_TIME_SELECTOR (mts));
#endif

    gnome_dialog_run (GNOME_DIALOG (window));

    gtk_main ();
    return 0;
}


/* Adds an attendee and a lot of random busy periods. The periods start 60
   days before the current date and extend over 365 days, to match the range
   that EMeetingTimeSelector currently displays. We generate a time_t and an
   interval and then convert them into a struct tm which provides everything
   we need. */
void
add_random_attendee_test_data (EMeetingTimeSelector *mts)
{
    gchar buffer[128], *name;
    gint row, num_periods, busy_period, random_num, duration;
    EMeetingTimeSelectorAttendeeType type;
    EMeetingTimeSelectorBusyType busy_type;
    time_t range_start;
    time_t period_start;
    time_t period_end;
    struct tm *tmp_tm;
    struct tm tm1;
    struct tm tm2;

    /* Determine the type of attendee. */
    random_num = get_random_int (10);
    if (random_num < 4) {
        type = E_MEETING_TIME_SELECTOR_REQUIRED_PERSON;
        name = "Req. Attendee";
    } else if (random_num < 7) {
        type = E_MEETING_TIME_SELECTOR_OPTIONAL_PERSON;
        name = "Opt. Attendee";
    } else {
        type = E_MEETING_TIME_SELECTOR_RESOURCE;
        name = "Resource";
    }

    sprintf (buffer, "%s %i", name, mts->attendees->len + 1);
    row = e_meeting_time_selector_attendee_add (mts, buffer, NULL);
    e_meeting_time_selector_attendee_set_type (mts, row, type);

    /* Don't send the meeting request to some attendees. */
    if (get_random_int (10) <= 2)
        e_meeting_time_selector_attendee_set_send_meeting_to (mts, row,
                                      FALSE);

    /* Some attendees have no calendar information. */
    if (get_random_int (10) == 2)
        return;

    range_start = time (NULL) - 61 * 24 * 60 * 60;
    num_periods = get_random_int (1000);
#if 0
    g_print ("num_periods: %i\n", num_periods);
#endif
    for (busy_period = 0; busy_period < num_periods; busy_period++) {

        period_start = range_start + get_random_int (365 * 24 * 60 * 60);

        /* Make busy periods mainly 30 mins to a few hours, with a
           couple of week/fortnight periods as well. */
        random_num = get_random_int (10000);
        if (random_num < 2000)
            duration = 30;
        else if (random_num < 5000)
            duration = 60;
        else if (random_num < 7500)
            duration = 90;
        else if (random_num < 9995)
            duration = 120;
        else if (random_num < 9998)
            duration = 60 * 24 * 7;
        else
            duration = 60 * 24 * 14;
#if 0
        g_print ("random_num: %i, duration: %i\n",
             random_num, duration);
#endif
        period_end = period_start + duration * 60;

        tmp_tm = localtime (&period_start);
        tm1 = *tmp_tm;
        tmp_tm = localtime (&period_end);
        tm2 = *tmp_tm;

        /* A hack to avoid daylight-saving time problems. */
        if (tm2.tm_hour == tm1.tm_hour && tm2.tm_min < tm1.tm_min)
            tm2.tm_hour++;

        busy_type = get_random_int (E_MEETING_TIME_SELECTOR_BUSY_LAST);

        if (!e_meeting_time_selector_attendee_add_busy_period (mts, row, tm1.tm_year + 1900, tm1.tm_mon + 1, tm1.tm_mday, tm1.tm_hour, tm1.tm_min, tm2.tm_year + 1900, tm2.tm_mon + 1, tm2.tm_mday, tm2.tm_hour, tm2.tm_min, busy_type))
            {
                g_print ("Invalid busy period %i/%i/%i %i:%i to %i/%i/%i %i:%i\n", tm1.tm_year + 1900, tm1.tm_mon + 1, tm1.tm_mday, tm1.tm_hour, tm1.tm_min, tm2.tm_year + 1900, tm2.tm_mon + 1, tm2.tm_mday, tm2.tm_hour, tm2.tm_min);
                g_print ("random_num: %i, duration: %i\n",
                     random_num, duration);
            }
    }
}


/* Returns a random integer between 0 and max - 1. */
gint
get_random_int (gint max)
{
    gint random_num;

    random_num = (int) (max * (rand () / (RAND_MAX + 1.0)));
#if 0
    g_print ("Random num (%i): %i\n", max, random_num);
#endif
    return random_num;
}


void
add_simple_attendee_test_data (EMeetingTimeSelector *mts)
{
    gint row;

    row = e_meeting_time_selector_attendee_add (mts, "John Smith", NULL);
    if (!e_meeting_time_selector_attendee_add_busy_period (mts, row,
                                   1999, 11, 7, 14, 30,
                                   1999, 11, 7, 16, 30,
                                   E_MEETING_TIME_SELECTOR_BUSY_BUSY))
            g_warning ("Invalid busy period");

    e_meeting_time_selector_attendee_add_busy_period (mts, row,
                              1999, 11, 7, 10, 30,
                              1999, 11, 7, 11, 30,
                              E_MEETING_TIME_SELECTOR_BUSY_OUT_OF_OFFICE);
    e_meeting_time_selector_attendee_add_busy_period (mts, row,
                              1999, 11, 4, 10, 30,
                              1999, 11, 7, 11, 30,
                              E_MEETING_TIME_SELECTOR_BUSY_BUSY);
    row = e_meeting_time_selector_attendee_add (mts, "Dave Jones", NULL);
    e_meeting_time_selector_attendee_add_busy_period (mts, row,
                              1999, 11, 7, 15, 30,
                              1999, 11, 7, 18, 30,
                              E_MEETING_TIME_SELECTOR_BUSY_TENTATIVE);
    e_meeting_time_selector_attendee_add_busy_period (mts, row,
                              1999, 11, 7, 11, 00,
                              1999, 11, 7, 12, 00,
                              E_MEETING_TIME_SELECTOR_BUSY_BUSY);

    row = e_meeting_time_selector_attendee_add (mts, "Andrew Carlisle", NULL);
    e_meeting_time_selector_attendee_set_send_meeting_to (mts, row, FALSE);

    row = e_meeting_time_selector_attendee_add (mts, "Michael Cain", NULL);
    e_meeting_time_selector_attendee_add_busy_period (mts, row,
                              1999, 11, 7, 15, 30,
                              1999, 11, 7, 18, 30,
                              E_MEETING_TIME_SELECTOR_BUSY_TENTATIVE);
    e_meeting_time_selector_attendee_add_busy_period (mts, row,
                              1999, 11, 7, 12, 30,
                              1999, 11, 7, 13, 30,
                              E_MEETING_TIME_SELECTOR_BUSY_OUT_OF_OFFICE);
    e_meeting_time_selector_attendee_add_busy_period (mts, row,
                              1999, 11, 7, 11, 00,
                              1999, 11, 7, 12, 00,
                              E_MEETING_TIME_SELECTOR_BUSY_TENTATIVE);
}