<?php
/**
 * Agent status - general overview.
 *
 * @category   Agent view status.
 * @package    Pandora FMS
 * @subpackage Classic agent management view.
 * @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.
 * ============================================================================
 */

use PandoraFMS\ITSM\ITSM;

// Begin.
global $config;

require_once 'include/functions_agents.php';
require_once $config['homedir'].'/include/functions_graph.php';
require_once $config['homedir'].'/include/functions_groups.php';
require_once $config['homedir'].'/include/functions_ui.php';
require_once $config['homedir'].'/include/functions_reporting_html.php';

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

check_login();

$strict_user = (bool) db_get_value(
    'strict_acl',
    'tusuario',
    'id_user',
    $config['id_user']
);

$id_agente = get_parameter_get('id_agente', -1);

$agent = db_get_row('tagente', 'id_agente', $id_agente);

if (empty($agent['server_name']) === true) {
    ui_print_error_message(
        __('The agent has not assigned server. Maybe agent does not run fine.')
    );
}

if ($agent === false) {
    ui_print_error_message(__('There was a problem loading agent'));
    return;
}

if (check_acl_one_of_groups($config['id_user'], $all_groups, 'AR') === false
    && check_acl_one_of_groups($config['id_user'], $all_groups, 'AW') === false
) {
    db_pandora_audit(
        AUDIT_LOG_ACL_VIOLATION,
        'Trying to access Agent General Information'
    );
    include_once 'general/noaccess.php';
    return;
}

$alive_animation = agents_get_starmap($id_agente, 200, 50);

/*
 * START: TABLE AGENT BUILD.
 */

$agentStatusHeader = get_resume_agent_status_header($agent);

// Fixed width non interactive charts.
$agentStatusGraph = get_status_agent_chart_pie($id_agente, 150);

$agentCountModules = html_print_div(
    [
        'class'   => 'agent_details_bullets',
        'content' => reporting_tiny_stats(
            $agent,
            true,
            'agent',
            // Useless.
            ':',
            true
        ),
    ],
    true
);

$table_status = new stdClass();
$table_status->id = 'agent_status_main';
$table_status->width = '90%';
$table_status->height = 'auto';
$table_status->cellspacing = 0;
$table_status->cellpadding = 0;
$table_status->class = 'floating_form';
$table_status->style[0] = 'height: 28px; width: 30%; padding-right: 5px; text-align: end; vertical-align: top';
$table_status->style[1] = 'height: 28px; width: 70%; padding-left: 5px; font-weight: lighter; vertical-align: top';

$os_agent_text = '';
$os_name = get_os_name((int) $agent['id_os']);
if (empty($agent['os_version']) !== true) {
    $agent['os_version'] = io_safe_output($agent['os_version']);
    if (strpos($agent['os_version'], '(') !== false) {
        $os_name = preg_split('/[0-9]|[\(]/', $agent['os_version'])[0];
        $os_version = explode($os_name, explode('(', $agent['os_version'])[0])[1];
        $os_version_name = preg_split('/[\(]|[\)]/', $agent['os_version']);
        $os_agent_text = $os_version.' ('.$os_version_name[1].')';
    } else {
        $os_name = preg_split('/[0-9]/', $agent['os_version'])[0];
        $os_agent_text = $agent['os_version'];
        if (empty($os_name) === false) {
            $os_version = explode($os_name, explode('(', $agent['os_version'])[0])[1];
            $os_agent_text = $os_version;
        }
    }
}

$table_status->data['agent_os'][0] = html_print_div([ 'style' => 'width: 16px; position: relative; left: 75%', 'content' => ui_print_os_icon($agent['id_os'], false, true, true, false, false, false, ['width' => '16px'])], true);
$table_status->data['agent_os'][1] = $os_name;

if (empty($agent['os_version']) !== true) {
    $table_status->data['agent_os_version'][0] = __('OS Version');
    $table_status->data['agent_os_version'][1] = $os_agent_text;
}

$addresses = agents_get_addresses($id_agente);
$address = agents_get_address($id_agente);

foreach ($addresses as $k => $add) {
    if ($add == $address) {
        unset($addresses[$k]);
    }
}

if (empty($address) === false) {
    $address_text = '<span class="bolder" >'.$address.'</span>';
    if (!empty($addresses) === true) {
        foreach ($addresses as $sec_address) {
            $address_text .= '<br/><span class="italic">'.$sec_address.'</span>';
        }
    }

    $table_status->data['ip_address'][0] = __('IP address');
    $table_status->data['ip_address'][1] = (empty($address) === true) ? '<em>'.__('N/A').'</em>' : $address_text;
}

$table_status->data['agent_version'][0] = __('Agent Version');
$table_status->data['agent_version'][1] = (empty($agent['agent_version']) === true) ? '<i>'.__('N/A').'</i>' : $agent['agent_version'];

$table_status->data['description'][0] = __('Description');
$table_status->data['description'][1] = (empty($agent['comentarios']) === true) ? '<em>'.__('N/A').'</em>' : ui_print_truncate_text($agent['comentarios'], 'description', true);

$agentEventsHeader = html_print_div(
    [
        'class'   => 'agent_details_header',
        'content' => '<span class="subsection_header_title">'.__('Events (Last 24h)').'</span>',
    ],
    true
);

$agentEventsGraph = html_print_div(
    [
        'class'   => 'white-table-graph-content',
        'content' => graph_graphic_agentevents(
            $id_agente,
            95,
            50,
            SECONDS_1DAY,
            '',
            true,
            true,
            500
        ),
        'style'   => 'margin-top: -25px',
    ],
    true
);

$table_agent = $agentStatusHeader.'
    <div class="agent_details_content">
        <div class="agent_details_graph">
            '.$agentStatusGraph.$agentCountModules.'
        </div>
        <div class="agent_details_info">
            '.$alive_animation.html_print_table($table_status, true).'
        </div>
    </div>
    <div class="agent_details_graph">
        '.$agentEventsHeader.$agentEventsGraph.'
    </div>';


/*
 * END: TABLE AGENT BUILD.
 */


/*
 * START: TABLE DATA BUILD
 */

$data_opcional = new stdClass();
$data_opcional->id = 'agent_data_main';
$data_opcional->width = '100%';
$data_opcional->class = 'floating_form';
// Gis and url address.
$agentAdditionalContent = '';
// Position Information.
/*
    if ((bool) $config['activate_gis'] === true) {
    $dataPositionAgent = gis_get_data_last_position_agent(
        $agent['id_agente']
    );
    if (is_array($dataPositionAgent) === true && $dataPositionAgent['stored_longitude'] !== '' && $dataPositionAgent['stored_latitude'] !== '') {
        $data_opcional->data['agent_position'][0] = __('Position (Long, Lat)');

        $dataOptionalOutput = html_print_anchor(
            [
                'href'    => 'index.php?sec=estado&amp;sec2=operation/agentes/ver_agente&amp;tab=gis&amp;id_agente='.$id_agente,
                'content' => $dataPositionAgent['stored_longitude'].', '.$dataPositionAgent['stored_latitude'],
            ],
            true
        );

        if (empty($dataPositionAgent['description']) === false) {
            $dataOptionalOutput .= ' ('.$dataPositionAgent['description'].')';
        }

        $data_opcional->data['agent_position'][1] = $dataOptionalOutput;
    }
}*/

// If the url description is set.
/*
    if (empty($agent['url_address']) === false) {
    $data_opcional->data['url_address'][0] = __('Url address');
    $data_opcional->data['url_address'][1] = html_print_anchor(
        [
            'href'    => $agent['url_address'],
            'content' => $agent['url_address'],
        ],
        true
    );
}*/


// Other IP address and timezone offset.
/*
    if (empty($addresses) === false) {
    $data_opcional->data['other_ip_address'][0] = __('Other IP addresses');
    $data_opcional->data['other_ip_address'][1] = html_print_div(
        [
            'class'   => 'overflow-y mx_height50px',
            'content' => implode('<br>', $addresses),
        ],
        true
    );
    }
*/
// Timezone Offset.
/*
    if ((int) $agent['timezone_offset'] !== 0) {
    $data_opcional->data['timezone_offset'][0] = __('Timezone Offset');
    $data_opcional->data['timezone_offset'][1] = $agent['timezone_offset'];
}*/

// Custom fields.
$fields = db_get_all_rows_filter(
    'tagent_custom_fields',
    ['display_on_front' => 1]
);
if ($fields === false) {
    $fields = [];
}

$custom_fields = [];
foreach ($fields as $field) {
    $custom_value = db_get_all_rows_sql(
        'select tagent_custom_data.description,tagent_custom_fields.is_password_type from tagent_custom_fields 
        INNER JOIN tagent_custom_data ON tagent_custom_fields.id_field = tagent_custom_data.id_field where tagent_custom_fields.id_field = '.$field['id_field'].' and tagent_custom_data.id_agent = '.$id_agente
    );

    if ($custom_value[0]['description'] !== false && $custom_value[0]['description'] != '') {
        $data = [];

        $data[0] = '<b>'.$field['name'].ui_print_help_tip(__('Custom field'), true).'</b>';
        if ($custom_value[0]['is_password_type']) {
                $data[1] = '&bull;&bull;&bull;&bull;&bull;&bull;&bull;&bull;';
        } else if ($field['is_link_enabled'] === '1') {
            list($link_text, $link_url) = json_decode($custom_value[0]['description'], true);

            if (json_last_error() !== JSON_ERROR_NONE) {
                $link_text = '';
                $link_url = '';
            }

            if ($link_text === '') {
                $link_text = $link_url;
            }

            $data[1] = '<a href="'.$link_url.'">'.$link_text.'</a>';
        } else {
            $custom_value[0]['description'] = ui_bbcode_to_html($custom_value[0]['description']);
            $data[1] = $custom_value[0]['description'];
        }

        $custom_fields[] = $data;
    }
}

$custom_fields_count = count($custom_fields);
for ($i = 0; $i < $custom_fields_count; $i++) {
    $first_column = $custom_fields[$i];
    $j = ($i + 1);
    $second_column = $custom_fields[$j];

    if (is_array($second_column) === true) {
        $columns = array_merge($first_column, $second_column);
    } else {
        $columns = $first_column;
        if ($data_opcional->data !== null) {
            $filas = count($data_opcional->data);
        }

        $data_opcional->colspan[$filas][1] = 3;
    }

    $data_opcional->data[] = $columns;

    $i++;
}

/*
 * END: TABLE DATA BUILD
 */

/*
 * START: TABLE INTERFACES
 */

$network_interfaces_by_agents = agents_get_network_interfaces([$agent]);

$network_interfaces = [];
if (empty($network_interfaces_by_agents) === false && empty($network_interfaces_by_agents[$id_agente]) === false) {
    $network_interfaces = $network_interfaces_by_agents[$id_agente]['interfaces'];
}

if (empty($network_interfaces) === false) {
    $table_interface = new stdClass();
    $table_interface->id = 'agent_interface_info';
    $table_interface->class = 'info_table';
    $table_interface->width = '100%';
    $table_interface->style = [];
    $table_interface->style['interface_event_graph'] = 'width: 35%;';

    $table_interface->head = [];
    $options = [
        'class' => 'closed',
        'style' => 'cursor:pointer;',
    ];
    $table_interface->data = [];
    $event_text_cont = 0;

    foreach ($network_interfaces as $interface_name => $interface) {
        if (empty($interface['traffic']) === false) {
            $permission = check_acl_one_of_groups($config['id_user'], $all_groups, 'RR');

            if ($permission) {
                $params = [
                    'interface_name'     => $interface_name,
                    'agent_id'           => $id_agente,
                    'traffic_module_in'  => $interface['traffic']['in'],
                    'traffic_module_out' => $interface['traffic']['out'],
                ];
                $params_json = json_encode($params);
                $params_encoded = base64_encode($params_json);
                $win_handle = dechex(crc32($interface['status_module_id'].$interface_name));
                $graph_link = "<a href=\"javascript:winopeng_var('operation/agentes/interface_traffic_graph_win.php?params=";
                $graph_link .= $params_encoded."','";
                $graph_link .= $win_handle."', 800, 480)\">";
                $graph_link .= html_print_image(
                    'images/chart.png',
                    true,
                    [
                        'title' => __('Interface traffic'),
                        'class' => 'invert_filter',
                    ]
                ).'</a>';
            } else {
                $graph_link = '';
            }
        } else {
            $graph_link = '';
        }

        $content = [
            'id_agent_module' => $interface['status_module_id'],
            'id_group'        => $id_group,
            'period'          => SECONDS_1DAY,
            'time_from'       => '00:00:00',
            'time_to'         => '00:00:00',
            'sizeForTicks'    => 250,
            'height_graph'    => 40,
            [
                ['id_agent_module' => $interface['status_module_id']],
            ]
        ];

        $e_graph = \reporting_module_histogram_graph(
            ['datetime' => time()],
            $content
        );

        $sqlLast_contact = sprintf(
            '
			SELECT timestamp
			FROM tagente_estado
			WHERE id_agente_modulo = '.$interface['status_module_id']
        );

        $last_contact = db_get_all_rows_sql($sqlLast_contact);
        $last_contact = array_shift($last_contact);
        $last_contact = array_shift($last_contact);

        $data = [];
        $data['interface_name'] = '<strong>'.$interface_name.'</strong>';
        $data['interface_status'] = $interface['status_image'];
        $data['interface_graph'] = $graph_link;
        $data['interface_ip'] = $interface['ip'];
        $data['interface_mac'] = $interface['mac'];
        $data['last_contact'] = __('Last contact: ').$last_contact;
        $data['interface_event_graph'] = $e_graph['chart'];

        $table_interface->data[] = $data;
    }
}

/*
 * END: TABLE INTERFACES
 */

    // This javascript piece of code is used to make expandible
    // the body of the table.
?>
    <script type="text/javascript">
        $(document).ready (function () {

            $("#agent_data_main").find("thead").click (function () {
                close_table('#agent_data_main');
            })
            .css('cursor', 'pointer');

            $("#table_events").find(".white_table_graph_header").click (function () {
                close_table_white('#table_events');
            })
            .css('cursor', 'pointer');

            $("#table_access_rate").find(".white_table_graph_header").click (function () {
                close_table_white('#table_access_rate');
            })
            .css('cursor', 'pointer');

            function close_table(id){
                var arrow = $(id).find("thead").find("img");
                if (arrow.hasClass("closed")) {
                    arrow.removeClass("closed");
                    arrow.prop("src", "images/arrow_down_green.png");
                    $(id).find("tbody").show();
                } else {
                    arrow.addClass("closed");
                    arrow.prop("src", "images/arrow_right_green.png");
                    $(id).find("tbody").hide();
                }
            }

            function close_table_white(id){
                var arrow = $(id).find(".white_table_graph_header").find("img");
                if (arrow.hasClass("closed")) {
                    arrow.removeClass("closed");
                    arrow.prop("src", "images/arrow_down_green.png");
                    $(id).find(".white_table_graph_content").show();
                } else {
                    arrow.addClass("closed");
                    arrow.prop("src", "images/arrow_right_green.png");
                    $(id).find(".white_table_graph_content").hide();
                }
            }
        });
    </script>
<?php
$agent_contact = get_resume_agent_concat($id_agente, $all_groups, $agent);

$agentDetails = html_print_div(
    [
        'class'   => 'box-flat agent_details_col',
        'content' => $table_agent,
    ],
    true
);

$agentContact = html_print_div(
    [
        'class'   => 'box-flat agent_details_col mrgn_lft_20px',
        'content' => $agent_contact,
    ],
    true
);

/*
 * EVENTS TABLE END.
 */
if (isset($data_opcional) === false || isset($data_opcional->data) === false || empty($data_opcional->data) === true) {
    $agentAdditionalInfo = '';
} else {
    $agentAdditionalInfo = ui_toggle(
        html_print_table($data_opcional, true),
        '<span class="subsection_header_title">'.__('Agent data').'</span>',
        'status_monitor_agent',
        false,
        false,
        true,
        '',
        'white-box-content',
        'box-flat white_table_graph w100p'
    );
}

$agentIncidents = (isset($table_incident) === false) ? '' : html_print_table($table_incident, true);

html_print_div(
    [
        'class'   => 'agent_details_first_row agent_details_line',
        'content' => $agentDetails.$agentContact,
    ]
);

html_print_div(
    [
        'class'   => 'agent_details_line',
        'content' => $agentEvents,
    ]
);

if (empty($agentAdditionalInfo) === false) {
    html_print_div(
        [
            'class'   => 'agent_details_line',
            'content' => $agentAdditionalInfo,
        ]
    );
}

if ((bool) $config['ITSM_enabled'] === true) {
    $show_tab_issue = false;
    try {
        $ITSM = new ITSM();
        $list = $ITSM->listIncidenceAgents($id_agente, false);
        if (empty($list) === false) {
            $show_tab_issue = true;
        }
    } catch (\Throwable $th) {
        $show_tab_issue = false;
    }

    if ($show_tab_issue === true) {
        try {
            $table_itsm = $ITSM->getTableIncidencesForAgent($id_agente, true, 0);
        } catch (Exception $e) {
            $table_itsm = $e->getMessage();
        }

        $itsmInfo = ui_toggle(
            $table_itsm,
            '<span class="subsection_header_title">'.__('Incidences').'</span>',
            'status_monitor_agent',
            false,
            false,
            true,
            '',
            'white-box-content',
            'box-flat white_table_graph w100p'
        );

        html_print_div(
            [
                'class'   => 'agent_details_line',
                'content' => $itsmInfo,
            ]
        );
    }
}

if (empty($agentIncidents) === false) {
    html_print_div(
        [
            'class'   => 'agent_details_line',
            'content' => ui_toggle(
                '<div class=\'w100p\' id=\'agent_incident\'>'.$agentIncidents.'</div>',
                '<span class="subsection_header_title">'.__('Active issue on this agent').'</span>',
                __('Agent incident main'),
                'agent_incident',
                false,
                true,
                '',
                'box-flat white-box-content no_border',
                'box-flat white_table_graph w100p',
            ),
        ],
    );
}

if (isset($table_interface) === true) {
    ui_toggle(
        html_print_table($table_interface, true),
        '<b>'.__('Interface information (SNMP)').'</b>',
        '',
        'interface-table-status-agent',
        true
    );
}