<?php
/**
 * Graph viewer.
 *
 * @category   Reporting
 * @package    Pandora FMS
 * @subpackage Community
 * @version    1.0.0
 * @license    See below
 *
 *    ______                 ___                    _______ _______ ________
 *   |   __ \.-----.--.--.--|  |.-----.----.-----. |    ___|   |   |     __|
 *  |    __/|  _  |     |  _  ||  _  |   _|  _  | |    ___|       |__     |
 * |___|   |___._|__|__|_____||_____|__| |___._| |___|   |__|_|__|_______|
 *
 * ============================================================================
 * Copyright (c) 2005-2021 Artica Soluciones Tecnologicas
 * Please see http://pandorafms.org for full contribution list
 * 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 for version 2.
 * 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.
 * ============================================================================
 */

// Begin.
global $config;

check_login();


require_once 'include/functions_custom_graphs.php';

$delete_graph = (bool) get_parameter('delete_graph');
$view_graph = (bool) get_parameter('view_graph');
$id_graph = (int) get_parameter('id');

if ($id_graph !== 0) {
    $sql = "SELECT * FROM tgraph 
	WHERE (private = 0 OR (private = 1 AND id_user = '".$config['id_user']."'))
	AND id_graph = ".$id_graph;
    $control = db_process_sql($sql);
    if (!$control) {
        header('Location: index.php?sec=reporting&sec2=godmode/reporting/graphs');
    }
}

// Delete module SQL code
if ($delete_graph) {
    if (check_acl($config['id_user'], 0, 'AW')) {
        $res = db_process_sql_delete('tgraph_source', ['id_graph' => $id_graph]);

        if ($res) {
            $result = ui_print_success_message(__('Successfully deleted'), '', true);
        } else {
            $result = ui_print_error_message(__('Not deleted. Error deleting data'), '', true);
        }

        $res = db_process_sql_delete('tgraph', ['id_graph' => $id_graph]);

        if ($res) {
            $result = ui_print_success_message(__('Successfully deleted'), '', true);
        } else {
            $result = ui_print_error_message(__('Not deleted. Error deleting data'), '', true);
        }

        echo $result;
    } else {
        db_pandora_audit('ACL Violation', 'Trying to delete a graph from access graph builder');
        include 'general/noaccess.php';
        exit;
    }
}

if ($view_graph) {
    $sql = "SELECT * FROM tgraph_source WHERE id_graph = $id_graph";
    $sources = db_get_all_rows_sql($sql);

    $sql = "SELECT * FROM tgraph WHERE id_graph = $id_graph";
    $graph = db_get_row_sql($sql);

    $id_user = $graph['id_user'];
    $private = $graph['private'];
    $width = $graph['width'];
    $height = ($graph['height'] + count($sources) * 10);

    $zoom = (int) get_parameter('zoom', 0);
    // Increase the height to fix the leyend rise
    if ($zoom > 0) {
        switch ($zoom) {
            case 1:
                $width = 500;
                $height = (200 + count($sources) * 15);
            break;

            case 2:
                $width = 650;
                $height = (300 + count($sources) * 10);
            break;

            case 3:
                $width = 770;
                $height = (400 + count($sources) * 5);
            break;
        }
    }

    // Get different date to search the report.
    $date = (string) get_parameter('date', date(DATE_FORMAT));
    $time = (string) get_parameter('time', date(TIME_FORMAT));
    $unixdate = strtotime($date.' '.$time);

    $period = (int) get_parameter('period');
    if (! $period) {
        $period = $graph['period'];
    } else {
        $period = $period;
    }

    $events = $graph['events'];
    $description = $graph['description'];
    $stacked = (int) get_parameter('stacked', -1);

    $percentil = ($graph['percentil']) ? 1 : null;
    $check = get_parameter('threshold', false);
    $fullscale = ($graph['fullscale']) ? 1 : null;

    if ($check == CUSTOM_GRAPH_BULLET_CHART_THRESHOLD) {
        $check = true;
        $stacked = CUSTOM_GRAPH_BULLET_CHART_THRESHOLD;
    }

    if ($stacked == -1) {
        $stacked = $graph['stacked'];
    }

    if ($stacked == CUSTOM_GRAPH_BULLET_CHART || $stacked == CUSTOM_GRAPH_BULLET_CHART_THRESHOLD) {
        $height = 50;
    }

    if ($stacked == CUSTOM_GRAPH_GAUGE) {
        // Use the defined graph height, that's why
        // the user can setup graph height.
        $height = $graph['height'];
    }

    $name = $graph['name'];
    if (($graph['private'] == 1) && ($graph['id_user'] != $id_user)) {
        db_pandora_audit(
            'ACL Violation',
            'Trying to access to a custom graph not allowed'
        );
        include 'general/noaccess.php';
        exit;
    }

    html_print_input_hidden('line_width_graph', $config['custom_graph_width']);
    html_print_input_hidden('custom_graph', 1);
    $url = 'index.php?'.'sec=reporting&'.'sec2=operation/reporting/graph_viewer&'."id=$id_graph&".'view_graph=1';

    $options = [];

    if (check_acl_restricted_all($config['id_user'], $graph['id_group'], 'RW')
        || check_acl_restricted_all($config['id_user'], $graph['id_group'], 'RM')
    ) {
        $options = [
            'graph_list'   => [
                'active' => false,
                'text'   => '<a href="index.php?sec=reporting&sec2=godmode/reporting/graphs">'.html_print_image(
                    'images/list.png',
                    true,
                    [
                        'title' => __('Graph list'),
                        'class' => 'invert_filter',
                    ]
                ).'</a>',
            ],
            'main'         => [
                'active' => false,
                'text'   => '<a href="index.php?sec=reporting&sec2=godmode/reporting/graph_builder&tab=main&edit_graph=1&id='.$id_graph.'">'.html_print_image(
                    'images/chart.png',
                    true,
                    [
                        'title' => __('Main data'),
                        'class' => 'invert_filter',
                    ]
                ).'</a>',
            ],
            'graph_editor' => [
                'active' => false,
                'text'   => '<a href="index.php?sec=reporting&sec2=godmode/reporting/graph_builder&tab=graph_editor&edit_graph=1&id='.$id_graph.'">'.html_print_image(
                    'images/builder.png',
                    true,
                    [
                        'title' => __('Graph editor'),
                        'class' => 'invert_filter',
                    ]
                ).'</a>',
            ],
        ];
    } else {
        $options = [
            'graph_list' => [
                'active' => false,
                'text'   => '<a href="index.php?sec=reporting&sec2=godmode/reporting/graphs">'.html_print_image('images/list.png', true, ['title' => __('Graph list')]).'</a>',
            ],
        ];
    }

    $options['view']['text'] = '<a href="index.php?sec=reporting&sec2=operation/reporting/graph_viewer&view_graph=1&id='.$id_graph.'">'.html_print_image(
        'images/eye.png',
        true,
        [
            'title' => __('View graph'),
            'class' => 'invert_filter',
        ]
    ).'</a>';
    $options['view']['active'] = true;

    if ($config['pure'] == 0) {
        $options['screen']['text'] = "<a href='$url&pure=1'>".html_print_image(
            'images/full_screen.png',
            true,
            [
                'title' => __('Full screen mode'),
                'class' => 'invert_filter',
            ]
        ).'</a>';
    } else {
        $options['screen']['text'] = "<a href='$url&pure=0'>".html_print_image(
            'images/normal_screen.png',
            true,
            [
                'title' => __('Back to normal mode'),
                'class' => 'invert_filter',
            ]
        ).'</a>';

        // In full screen, the manage options are not available
        $options = [
            'view'   => $options['view'],
            'screen' => $options['screen'],
        ];
    }

    // Header.
    ui_print_standard_header(
        $graph['name'],
        'images/chart.png',
        false,
        '',
        false,
        $options,
        [
            [
                'link'  => '',
                'label' => __('Reporting'),
            ],
            [
                'link'  => '',
                'label' => __('Custom graphs'),
            ],
        ]
    );

    $width = null;
    $height = null;
    $params = [
        'period'    => $period,
        'width'     => $width,
        'height'    => $height,
        'date'      => $unixdate,
        'percentil' => $percentil,
        'fullscale' => $fullscale,
    ];

    $params_combined = [
        'stacked'  => $stacked,
        'id_graph' => $id_graph,
    ];

    $graph_return = graphic_combined_module(
        false,
        $params,
        $params_combined
    );

    if ($graph_return) {
        echo "<table class='databox filters' cellpadding='0' cellspacing='0' width='100%'>";
        echo '<tr><td>';
        if ($stacked == CUSTOM_GRAPH_VBARS) {
            echo '<div class="w100p height_600px">';
        }

        echo $graph_return;
        if ($stacked == CUSTOM_GRAPH_VBARS) {
            echo '<div>';
        }

        echo '</td></tr></table>';
    } else {
        ui_print_info_message([ 'no_close' => true, 'message' => __('No data.') ]);
    }

    if ($stacked == CUSTOM_GRAPH_BULLET_CHART_THRESHOLD) {
        $stacked = 4;
    }

    $period_label = human_time_description_raw($period);
    echo "<form method='POST' action='index.php?sec=reporting&sec2=operation/reporting/graph_viewer&view_graph=1&id=$id_graph'>";
    echo "<table class='databox filters w100p' cellpadding='4' cellspacing='4'>";
    echo '<tr>';

    echo '<td>';
    echo '<b>'.__('Date').'</b>'.' ';
    echo '</td>';

    echo '<td>';
    echo html_print_input_text('date', $date, '', 12, 10, true).' ';
    echo '</td>';

    echo '<td>';
    echo html_print_input_text('time', $time, '', 7, 7, true).' ';
    echo '</td>';

    echo "<td class='datos'>";
    echo '<b>'.__('Time range').'</b>';
    echo '</td>';

    echo "<td class='datos'>";
    echo html_print_extended_select_for_time('period', $period, '', '', '0', 10, true);
    echo '</td>';

    echo "<td class='datos'>";
    $stackeds = [];
    $stackeds[0] = __('Graph defined');
    $stackeds[CUSTOM_GRAPH_AREA] = __('Area');
    $stackeds[CUSTOM_GRAPH_STACKED_AREA] = __('Stacked area');
    $stackeds[CUSTOM_GRAPH_LINE] = __('Line');
    $stackeds[CUSTOM_GRAPH_STACKED_LINE] = __('Stacked line');
    $stackeds[CUSTOM_GRAPH_BULLET_CHART] = __('Bullet chart');
    $stackeds[CUSTOM_GRAPH_GAUGE] = __('Gauge');
    $stackeds[CUSTOM_GRAPH_HBARS] = __('Horizontal Bars');
    $stackeds[CUSTOM_GRAPH_VBARS] = __('Vertical Bars');
    $stackeds[CUSTOM_GRAPH_PIE] = __('Pie');
    html_print_select($stackeds, 'stacked', $stacked, '', '', -1, false, false);
    echo '</td>';

    echo "<td class='datos'>";
    echo "<div class='float-left' id='thresholdDiv' name='thresholdDiv'>&nbsp;&nbsp;<b>".__('Equalize maxiddmum thresholds').'</b>'.ui_print_help_tip(__('If an option is selected, all graphs will have the highest value from all modules included in the graph as a maximum threshold'), true);

    html_print_checkbox('threshold', CUSTOM_GRAPH_BULLET_CHART_THRESHOLD, $check, false, false, '', false);
    echo '</div>';
    echo '</td>';

    echo "<td class='datos'>";
    $zooms = [];
    $zooms[0] = __('Graph defined');
    $zooms[1] = __('Zoom x1');
    $zooms[2] = __('Zoom x2');
    $zooms[3] = __('Zoom x3');
    html_print_select($zooms, 'zoom', $zoom, '', '', 0);
    echo '</td>';

    echo "<td class='datos'>";
    echo "<input type=submit value='".__('Refresh')."' class='sub upd'>";
    echo '</td>';

    echo '</tr>';
    echo '</table>';
    echo '</form>';
    /*
        We must add javascript here. Otherwise, the date picker won't
    work if the date is not correct because php is returning. */

    ui_include_time_picker();
    ui_require_jquery_file('ui.datepicker-'.get_user_language(), 'include/javascript/i18n/');
    ui_require_jquery_file('');
    ?>
    <script language="javascript" type="text/javascript">
    
    $(document).ready (function () {
        $("#loading").slideUp ();
        $("#text-time").timepicker({
            showSecond: true,
            timeFormat: '<?php echo TIME_FORMAT_JS; ?>',
            timeOnlyTitle: '<?php echo __('Choose time'); ?>',
            timeText: '<?php echo __('Time'); ?>',
            hourText: '<?php echo __('Hour'); ?>',
            minuteText: '<?php echo __('Minute'); ?>',
            secondText: '<?php echo __('Second'); ?>',
            currentText: '<?php echo __('Now'); ?>',
            closeText: '<?php echo __('Close'); ?>'});
        
        $.datepicker.setDefaults($.datepicker.regional[ "<?php echo get_user_language(); ?>"]);
        
        $("#text-date").datepicker({
            dateFormat: "<?php echo DATE_FORMAT_JS; ?>",
            changeMonth: true,
            changeYear: true,
            showAnim: "slideDown"});

        if ($("#stacked").val() == '4') {
            $("#thresholdDiv").show();
        }else{
            $("#thresholdDiv").hide();
        }


    });

    $("#stacked").change(function(){
        if ($(this).val() == '4') {
            $("#thresholdDiv").show();
            $(".stacked").show();
        } else {
            $("[name=threshold]").prop("checked", false);
            $(".stacked").show();
            $("#thresholdDiv").hide();
        }
    });
    </script>
    
    <?php
    $datetime = strtotime($date.' '.$time);
    $report['datetime'] = $datetime;

    if ($datetime === false || $datetime == -1) {
        ui_print_error_message(__('Invalid date selected'));
        return;
    }

    return;
}

// Header
ui_print_page_header(__('Reporting').' &raquo;  '.__('Custom graph viewer'), 'images/op_reporting.png', false, '', false, '');


$graphs = custom_graphs_get_user();
if (! empty($graphs)) {
    $table = new stdClass();
    $table->width = '100%';
    $tale->class = 'databox_frame';
    $table->align = [];
    $table->align[2] = 'center';
    $table->head = [];
    $table->head[0] = __('Graph name');
    $table->head[1] = __('Description');
    $table->data = [];

    foreach ($graphs as $graph) {
        $data = [];

        $data[0] = '<a href="index.php?sec=reporting&sec2=operation/reporting/graph_viewer&view_graph=1&id='.$graph['id_graph'].'">'.$graph['name'].'</a>';
        $data[1] = $graph['description'];

        array_push($table->data, $data);
    }

    html_print_table($table);
} else {
    echo "<div class='nf'>".__('There are no defined reportings').'</div>';
}