<?php
/**
 * Agents Graphs.
 *
 * @category   Graphs.
 * @package    Pandora FMS
 * @subpackage Agent Configuration
 * @version    1.0.0
 * @license    See below
 *
 *    ______                 ___                    _______ _______ ________
 * |   __ \.-----.--.--.--|  |.-----.----.-----. |    ___|   |   |     __|
 * |    __/|  _  |     |  _  ||  _  |   _|  _  | |    ___|       |__     |
 * |___|   |___._|__|__|_____||_____|__| |___._| |___|   |__|_|__|_______|
 *
 * ============================================================================
 * Copyright (c) 2005-2023 Pandora FMS
 * Please see https://pandorafms.com/community/ 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.
 * ============================================================================
 */

// Load global vars.
global $config;

require_once 'include/functions_agents.php';
require_once 'include/functions_custom_graphs.php';
ui_require_javascript_file('calendar');

if ((bool) check_acl($config['id_user'], $id_grupo, 'AR') === false && (bool) check_acl($config['id_user'], 0, 'AW') === false) {
    db_pandora_audit(
        AUDIT_LOG_ACL_VIOLATION,
        'Trying to access (read) to agent '.agents_get_name($id_agente)
    );
    include 'general/noaccess.php';
    return;
}

require_once $config['homedir'].'/include/functions_graph.php';

$draw_alerts = get_parameter('draw_alerts', 0);
$period = (string) get_parameter('period', SECONDS_2HOUR);
$width = get_parameter('width', 555);
$height = get_parameter('height', 245);
$label = get_parameter('label', '');
$start_date = get_parameter('start_date', date('Y-m-d'));
$draw_events = get_parameter('draw_events', 0);
$modules = get_parameter('modules', []);
$filter = get_parameter('filter', 0);
$combined = get_parameter('combined', 0);
$option_type = get_parameter('option_type', 2);

// ----------------------------------------------------------------------
// Get modules of agent sorted as:
// - modules network no proc
// - modules network proc
// - others
// ----------------------------------------------------------------------
$list_modules = [];
$modules_networkmap_no_proc = agents_get_modules(
    $id_agente,
    false,
    [
        'id_modulo'      => 2,
        // Networkmap type.
        'id_tipo_modulo' => [
            '<>2',
            // != generic_proc
            '<>6',
            // != remote_icmp_proc
            '<>9',
            // != remote_tcp_proc
            '<>6',
            // != remote_tcp_proc
            '<>18',
            // != remote_snmp_proc
            '<>21',
            // != async_proc
            '<>31',
        ],
        // != web_proc
    ]
);
if (empty($modules_networkmap_no_proc)) {
    $modules_networkmap_no_proc = [];
}

$modules_others = agents_get_modules(
    $id_agente,
    false,
    [
        'id_tipo_modulo' => [
            '<>2',
            // != generic_proc
            '<>6',
            // != remote_icmp_proc
            '<>9',
            // != remote_tcp_proc
            '<>6',
            // != remote_tcp_proc
            '<>18',
            // != remote_snmp_proc
            '<>21',
            // != async_proc
            '<>31',
        ],
        // != web_proc
    ]
);

if (empty($modules_others)) {
    $modules_others = [];
}

$modules_boolean = agents_get_modules(
    $id_agente,
    false,
    [
        'id_tipo_modulo' => [
            '<>1',
            '<>3',
            '<>4',
            '<>5',
            '<>7',
            '<>8',
            '<>10',
            '<>11',
            '<>15',
            '<>16',
            '<>17',
            '<>22',
            '<>23',
            '<>24',
            '<>30',
            '<>32',
            '<>33',
            '<>100',
        ],
    ]
);
if (empty($modules_boolean)) {
    $modules_boolean = [];
}

// Cleaned the duplicate $modules and other things.
$modules_others = array_diff_key(
    $modules_others,
    $modules_networkmap_no_proc
);
foreach ($modules_others as $i => $m) {
    $modules_others[$i] = [
        'optgroup' => __('Other modules'),
        'name'     => $m,
    ];
}

foreach ($modules_networkmap_no_proc as $i => $m) {
    $modules_networkmap_no_proc[$i] = [
        'optgroup' => __('Modules network no proc'),
        'name'     => $m,
    ];
}

foreach ($modules_boolean as $i => $m) {
    $modules_boolean[$i] = [
        'optgroup' => __('Modules boolean'),
        'name'     => $m,
    ];
}


$list_modules = ($modules_networkmap_no_proc + $modules_others + $modules_boolean);
asort($list_modules);
// ----------------------------------------------------------------------
if (empty($modules)) {
    // Selected the first 6 modules.
    $module_ids = array_keys($list_modules);
    $module_ids = array_slice($module_ids, 0, 12);
    $modules = $module_ids;
}

$table = new stdClass();
$table->width = '100%';
$table->class = 'databox filters';

$table->style[0] = 'font-weight: bolder; text-align: left;';
$table->size[0] = '10%';
$table->style[1] = 'font-weight: bolder; text-align: left;';
$table->size[1] = '15%';
$table->style[2] = 'font-weight: bolder; text-align: left;';
$table->size[2] = '10%';
$table->style[3] = 'font-weight: bolder; text-align: left;';
$table->size[3] = '20%';

$table->rowspan[0][0] = 7;
$table->rowspan[0][1] = 7;

$table->data[0][0] = __('Modules');
$table->data[0][1] = html_print_select(
    $list_modules,
    'modules[]',
    $modules,
    '',
    '',
    0,
    true,
    true,
    true,
    '',
    false,
    'min-width:200px;max-width:460px;height: 200px;'
);

$table->rowspan[2][0] = 7;
$table->data[2][0] = '';

$table->data[2][1] = __('Begin date');
$table->data[2][2] = html_print_input_text('start_date', substr($start_date, 0, 10), '', 10, 40, true);
$table->data[2][2] .= html_print_image(
    'images/calendar_view_day.png',
    true,
    [
        'class'   => 'invert_filter',
        'onclick' => "scwShow(scwID('text-start_date'),this);",
    ]
);

$table->data[3][1] = __('Time range');

$table->data[3][2] = html_print_extended_select_for_time(
    'period',
    $period,
    'check_period_warning(this, \''.__('Warning').'\', \''.__('Displaying items with extended historical data can have an impact on system performance. We do not recommend that you use intervals longer than 30 days, especially if you combine several of them in a report, dashboard or visual console.').'\')',
    '',
    0,
    7,
    true,
    false,
    true,
    '',
    false,
    false,
    '',
    false,
    0,
    null,
    'check_period_warning_manual(\'period\', \''.__('Warning').'\', \''.__('Displaying items with extended historical data can have an impact on system performance. We do not recommend that you use intervals longer than 30 days, especially if you combine several of them in a report, dashboard or visual console.').'\')'
);

$table->data[4][2] = __('Show events');
$table->data[4][3] = html_print_checkbox('draw_events', 1, (bool) $draw_events, true);
$table->data[5][2] = __('Show alerts').ui_print_help_tip(__('the combined graph does not show the alerts into this graph'), true);
$table->data[5][3] = html_print_checkbox('draw_alerts', 1, (bool) $draw_alerts, true);
$table->data[6][2] = __('Show as one combined graph');
$graph_option_one_or_several = [
    0 => __('several graphs for each module'),
    1 => __('One combined graph'),
];
$table->data[6][3] = html_print_select($graph_option_one_or_several, 'combined', $combined, '', '', 1, true);

$table->data[7][2] = __('Chart type');
if ($combined == 1) {
    $graph_option_type = [
        0 => __('Area'),
        1 => __('Area stack'),
        2 => __('Line'),
        3 => __('Line stack'),
    ];
} else {
    $graph_option_type = [
        0 => __('Area'),
        2 => __('Line'),
    ];
}

$table->data[7][3] = html_print_select($graph_option_type, 'option_type', $option_type, '', '', 1, true);

$htmlForm = '<form method="post" action="index.php?sec=estado&sec2=operation/agentes/ver_agente&tab=graphs&id_agente='.$id_agente.'" >';
$htmlForm .= html_print_table($table, true);
$htmlForm .= html_print_input_hidden('filter', 1, true);

$outputButtons = html_print_submit_button(
    __('Filter'),
    'filter_button',
    false,
    [
        'icon' => 'update',
        'mode' => 'secondary mini',
    ],
    true
);

if ((bool) check_acl($config['id_user'], 0, 'RW') === true || (bool) check_acl($config['id_user'], 0, 'RM') === true) {
    $outputButtons .= html_print_button(
        __('Save as custom graph'),
        'save_custom_graph',
        false,
        '',
        [
            'icon' => 'add',
            'mode' => 'secondary mini',
        ],
        true
    );
}

$htmlForm .= html_print_div(
    [
        'class'   => 'action-buttons',
        'content' => $outputButtons,
    ],
    true
);

$htmlForm .= '</form>';

ui_toggle($htmlForm, __('Filter graphs'), __('Toggle filter(s)'), '', true);

$utime = get_system_time();
$current = date('Y-m-d', $utime);

if ($start_date != $current) {
    $date = strtotime($start_date);
} else {
    $date = $utime;
}

if ($combined) {
    // Pass the $modules before the ajax call.
    echo '<div class="combined-graph-container center w100p white_box"'.'data-period="'.$period.'"'.'data-stacked="'.CUSTOM_GRAPH_LINE.'"'.'data-date="'.$date.'"'.'data-height="'.$height.'"'.'>'.html_print_image('images/spinner.gif', true).'</div>';
} else {
    echo '<div class="content-graphs flex wrap bg-white">';
    foreach ($modules as $id_module) {
        $title = modules_get_agentmodule_name($id_module);
        $unit = modules_get_unit($id_module);
        echo '<div class="graph w100p padding10" style="max-width: 480px;">';
        echo '<h4>'.$title.'</h4>';
        echo '<div class="sparse-graph-container" data-id_module="'.$id_module.'"'.'data-period="'.$period.'"'.'data-draw_events="'.(int) $draw_events.'"'.'data-title="'.$title.'"'.'data-draw_alerts="'.(int) $draw_alerts.'"'.'data-date="'.$date.'"'.'data-unit="'.$unit.'"'.'data-date="'.$date.'"'.'data-height="'.$height.'"'.'>'.html_print_image('images/spinner.gif', true).'</div>';
        echo '</div>';
    }

    echo '</div>';
}

echo "<div class='both'></div>";

echo '<div id="graph-error-message" class="invisible">';
ui_print_error_message(__('There was an error loading the graph'));
echo '</div>';

// Dialog to save the custom graph.
echo "<div id='dialog_save_custom_graph' class='invisible'>";
$table = new stdClass();
$table->width = '100%';
$table->style[0] = 'font-weight: bolder; text-align: right;';
$table->data[0][0] = __('Name custom graph');
$table->data[0][1] = html_print_input_text(
    'name_custom_graph',
    '',
    __('Name custom graph'),
    30,
    50,
    true
);

html_print_table($table);

echo "<div style='width: ".$table->width."; text-align: right;'>";
html_print_image(
    'images/spinner.gif',
    false,
    [
        'style' => 'display: none',
        'class' => 'loading_save',
    ]
);
html_print_image(
    'images/ok.png',
    false,
    [
        'style' => 'display: none',
        'class' => 'ok_save',
    ]
);
html_print_image(
    'images/error_red.png',
    false,
    [
        'style' => 'display: none',
        'class' => 'error_save',
    ]
);
html_print_button(
    __('Save'),
    'save_custom_graph',
    false,
    'save_custom_graph_second_step();',
    'class="button_save sub save"'
);
echo '</div>';
echo '</div>';
?>
<script type="text/javascript">
    $(document).ready(function() {
        $("#dialog_save_custom_graph").dialog({
            title: "<?php echo __('Save custom graph'); ?>",
            height: 200,
            width: 500,
            modal: true,
            autoOpen: false
        });
    });

    $('#button-save_custom_graph').click(function(event) {
        $("#dialog_save_custom_graph").dialog("open");
    });

    function save_custom_graph_second_step() {
        $(".button_save").disable();
        $(".ok_save").hide();
        $(".error_save").hide();
        $(".loading_save").show();

        var params = {};
        params["id_modules"] = <?php echo json_encode($modules); ?>;
        params["name"] = $("input[name='name_custom_graph']").val();
        params["description"] = "<?php echo __('Custom graph create from the tab graphs in the agent.'); ?>";
        params["stacked"] = parseInt($("#option_type").val());
        params["width"] = <?php echo $width; ?>;
        params["height"] = <?php echo $height; ?>;
        params["events"] = <?php echo $draw_events; ?>;
        params["period"] = <?php echo $period; ?>;

        params["save_custom_graph"] = 1;
        params["page"] = "include/ajax/graph.ajax";
        jQuery.ajax({
            data: params,
            dataType: "json",
            type: "POST",
            url: "ajax.php",
            success: function(data) {
                $(".loading_save").hide();
                if (data.correct) {
                    $(".ok_save").show();
                } else {
                    $(".error_save").show();
                    $(".button_save").enable();
                }
            }
        });
    }

    // Load graphs
    $(document).ready(function() {
        $('#combined').change(function() {
            if ($('#combined').val() == 1) {
                $('#option_type').empty();
                $('#option_type').append($('<option>', {
                    value: 0,
                    text: "<?php echo __('Area'); ?>"
                }));
                $('#option_type').append($('<option>', {
                    value: 1,
                    text: "<?php echo __('Area stack'); ?>"
                }));
                $('#option_type').append($('<option>', {
                    value: 2,
                    text: "<?php echo __('Line'); ?>"
                }));
                $('#option_type').append($('<option>', {
                    value: 3,
                    text: "<?php echo __('Line stack'); ?>"
                }));
            } else {
                $('#option_type').empty();
                $('#option_type').append($('<option>', {
                    value: 0,
                    text: "<?php echo __('Area'); ?>"
                }));
                $('#option_type').append($('<option>', {
                    value: 2,
                    text: "<?php echo __('Line'); ?>"
                }));
            }
        });

        var getModulesPHP = function() {
            return <?php echo json_encode($modules); ?>;
        }

        var requestGraph = function(type, data) {
            data = data || {};
            type = type || 'custom';
            data.page = 'include/ajax/graph.ajax';
            data['print_' + type + '_graph'] = 1;

            return $.ajax({
                url: 'ajax.php',
                type: 'POST',
                dataType: 'html',
                data: data
            })
        }

        var requestCustomGraph = function(graphId, width, height, period, stacked, date, modules) {
            return requestGraph('custom', {
                page: 'include/ajax/graph.ajax',
                print_custom_graph: 1,
                id_graph: graphId,
                height: height,
                width: width,
                period: period,
                stacked: stacked,
                date: date,
                modules_param: modules
            });
        }

        var requestSparseGraph = function(moduleId, period, showEvents, width, height, title, showAlerts, date, unit, type_g) {
            return requestGraph('sparse', {
                page: 'include/ajax/graph.ajax',
                print_sparse_graph: 1,
                agent_module_id: moduleId,
                period: period,
                show_events: showEvents,
                width: width,
                height: height,
                title: title,
                show_alerts: showAlerts,
                date: date,
                unit: unit,
                type_g: type_g
            });
        }

        var loadCustomGraphs = function() {
            $('div.combined-graph-container').each(function(index, el) {
                loadCustomGraph(el);
            });
        }

        var loadCustomGraph = function(element) {
            var $container = $(element);
            var $errorMessage = $('div#graph-error-message');
            var period = $container.data('period');
            var conf_stacked = parseInt($("#option_type").val());

            switch (conf_stacked) {
                case 0:
                    var stacked = 0;
                    break;
                case 1:
                    var stacked = 1;
                    break;
                case 2:
                    var stacked = 2;
                    break;
                case 3:
                    var stacked = 3;
                    break;
            }

            var date = $container.data('date');
            var height = $container.data('height');

            var modules = getModulesPHP();
            var width = $container.width() - 20;

            var handleSuccess = function(data) {
                $container.html(data);
            }
            var handleError = function(xhr, textStatus, errorThrown) {
                $container.html($errorMessage.html());
            }

            requestCustomGraph(0, -1, height, period, stacked, date, modules)
                .done(handleSuccess)
                .fail(handleError);
        }

        var loadSparseGraphs = function() {
            $('div.sparse-graph-container').each(function(index, el) {
                loadSparseGraph(el);
            });
        }

        var loadSparseGraph = function(element) {
            var $container = $(element);
            var $errorMessage = $('div#graph-error-message');
            var moduleId = $container.data('id_module');
            var period = $container.data('period');
            var showEvents = $container.data('draw_events');
            var title = $container.data('title');
            var showAlerts = $container.data('draw_alerts');
            var date = $container.data('date');
            var unit = $container.data('unit');
            var date = $container.data('date');
            var height = $container.data('height');
            var conf_stacked = parseInt($("#option_type").val());

            switch (conf_stacked) {
                case 0:
                    var type_g = 'area';
                    break;
                case 2:
                    var type_g = 'line';
                    break;
            }

            var width = $container.width() - 20;

            var handleSuccess = function(data) {
                $container.html(data);
            }
            var handleError = function(xhr, textStatus, errorThrown) {
                $container.html($errorMessage.html());
            }

            requestSparseGraph(moduleId, period, showEvents, width, height, title, showAlerts, date, unit, type_g)
                .done(handleSuccess)
                .fail(handleError);
        }

        // Run
        loadCustomGraphs();
        loadSparseGraphs();
    });
</script>