<?php
/**
 * Widget Avg|Sum|Max|Min Module Data Pandora FMS Console
 *
 * @category   Console Class
 * @package    Pandora FMS
 * @subpackage Widget Avg|Sum|Max|Min Module Data
 * @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.
 * ============================================================================
 */

namespace PandoraFMS\Dashboard;

use PandoraFMS\Enterprise\Metaconsole\Node;

global $config;

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

/**
 * Avg|Sum|Max|Min Module Widgets.
 */
class AvgSumMaxMinModule extends Widget
{

    /**
     * Name widget.
     *
     * @var string
     */
    protected $name;

    /**
     * Title widget.
     *
     * @var string
     */
    protected $title;

    /**
     * Page widget;
     *
     * @var string
     */
    protected $page;

    /**
     * Class name widget.
     *
     * @var [type]
     */
    protected $className;

    /**
     * Values options for each widget.
     *
     * @var [type]
     */
    protected $values;

    /**
     * Configuration required.
     *
     * @var boolean
     */
    protected $configurationRequired;

    /**
     * Error load widget.
     *
     * @var boolean
     */
    protected $loadError;

    /**
     * Width.
     *
     * @var integer
     */
    protected $width;

    /**
     * Heigth.
     *
     * @var integer
     */
    protected $height;

    /**
     * Grid Width.
     *
     * @var integer
     */
    protected $gridWidth;

    /**
     * Cell ID.
     *
     * @var integer
     */
    protected $cellId;


    /**
     * Construct.
     *
     * @param integer      $cellId      Cell ID.
     * @param integer      $dashboardId Dashboard ID.
     * @param integer      $widgetId    Widget ID.
     * @param integer|null $width       New width.
     * @param integer|null $height      New height.
     * @param integer|null $gridWidth   Grid width.
     */
    public function __construct(
        int $cellId,
        int $dashboardId=0,
        int $widgetId=0,
        ?int $width=0,
        ?int $height=0,
        ?int $gridWidth=0
    ) {
        global $config;

        // WARNING: Do not edit. This chunk must be in the constructor.
        parent::__construct(
            $cellId,
            $dashboardId,
            $widgetId
        );

        // Width.
        $this->width = $width;

        // Height.
        $this->height = $height;

        // Grid Width.
        $this->gridWidth = $gridWidth;

        // Cell Id.
        $this->cellId = $cellId;

        // Options.
        $this->values = $this->decoders($this->getOptionsWidget());

        // Positions.
        $this->position = $this->getPositionWidget();

        // Page.
        $this->page = basename(__FILE__);

        // ClassName.
        $class = new \ReflectionClass($this);
        $this->className = $class->getShortName();

        // Title.
        $this->title = __('Avg|Sum|Max|Min Module Data');

        // Name.
        if (empty($this->name) === true) {
            $this->name = 'AvgSumMaxMinModule';
        }

        // This forces at least a first configuration.
        $this->configurationRequired = false;
        if (empty($this->values['moduleId']) === true) {
            $this->configurationRequired = true;
        } else {
            try {
                if (is_metaconsole() === true
                    && $this->values['metaconsoleId'] > 0
                ) {
                    $node = new Node($this->values['metaconsoleId']);
                    $node->connect();
                }

                $check_exist = db_get_sql(
                    sprintf(
                        'SELECT id_agente_modulo
                        FROM tagente_modulo
                        WHERE id_agente_modulo = %s
                            AND delete_pending = 0',
                        $this->values['moduleId']
                    )
                );
            } catch (\Exception $e) {
                // Unexistent agent.
                if (is_metaconsole() === true
                    && $this->values['metaconsoleId'] > 0
                ) {
                    $node->disconnect();
                }

                $check_exist = false;
            } finally {
                if (is_metaconsole() === true
                    && $this->values['metaconsoleId'] > 0
                ) {
                    $node->disconnect();
                }
            }

            if ($check_exist === false) {
                $this->loadError = true;
            }
        }

        $this->overflow_scrollbars = false;
    }


    /**
     * Decoders hack for retrocompability.
     *
     * @param array $decoder Values.
     *
     * @return array Returns the values ​​with the correct key.
     */
    public function decoders(array $decoder): array
    {
        $values = [];
        // Retrieve global - common inputs.
        $values = parent::decoders($decoder);

        if (isset($decoder['label_'.$this->cellId]) === true) {
            $values['label'] = $decoder['label_'.$this->cellId];
        }

        if (isset($decoder['label']) === true) {
            $values['label'] = $decoder['label'];
        }

        if (isset($decoder['id_agent_'.$this->cellId]) === true) {
            $values['agentId'] = $decoder['id_agent_'.$this->cellId];
        }

        if (isset($decoder['type_'.$this->cellId]) === true) {
            $values['type'] = $decoder['type_'.$this->cellId];
        }

        if (isset($decoder['type']) === true) {
            $values['type'] = $decoder['type'];
        }

        if (isset($decoder['period_'.$this->cellId]) === true) {
            $values['period'] = $decoder['period_'.$this->cellId];
        }

        if (isset($decoder['period']) === true) {
            $values['period'] = $decoder['period'];
        }

        if (isset($decoder['agentId']) === true) {
            $values['agentId'] = $decoder['agentId'];
        }

        if (isset($decoder['metaconsoleId']) === true) {
            $values['metaconsoleId'] = $decoder['metaconsoleId'];
        }

        if (isset($decoder['id_module_'.$this->cellId]) === true) {
            $values['moduleId'] = $decoder['id_module_'.$this->cellId];
        }

        if (isset($decoder['moduleId']) === true) {
            $values['moduleId'] = $decoder['moduleId'];
        }

        if (isset($decoder['size_value_'.$this->cellId]) === true) {
            $values['sizeValue'] = $decoder['size_value_'.$this->cellId];
        }

        if (isset($decoder['sizeValue']) === true) {
            $values['sizeValue'] = $decoder['sizeValue'];
        }

        if (isset($decoder['size_label_'.$this->cellId]) === true) {
            $values['sizeLabel'] = $decoder['size_label_'.$this->cellId];
        }

        if (isset($decoder['sizeLabel']) === true) {
            $values['sizeLabel'] = $decoder['sizeLabel'];
        }

        if (isset($decoder['text_color_'.$this->cellId]) === true) {
            $values['text_color'] = $decoder['text_color_'.$this->cellId];
        }

        if (isset($decoder['text_color']) === true) {
            $values['text_color'] = $decoder['text_color'];
        }

        if (isset($decoder['unit_'.$this->cellId]) === true) {
            $values['unit'] = $decoder['unit_'.$this->cellId];
        }

        if (isset($decoder['unit']) === true) {
            $values['unit'] = $decoder['unit'];
        }

        if (isset($decoder['horizontal']) === true) {
            $values['horizontal'] = $decoder['horizontal'];
        }

        return $values;
    }


    /**
     * Generates inputs for form (specific).
     *
     * @return array Of inputs.
     *
     * @throws Exception On error.
     */
    public function getFormInputs(): array
    {
        global $config;

        $values = $this->values;

        // Default values.
        if (isset($values['sizeLabel']) === false) {
            $values['sizeLabel'] = 20;
        }

        if (isset($values['sizeValue']) === false) {
            $values['sizeValue'] = 20;
        }

        // Retrieve global - common inputs.
        $inputs = parent::getFormInputs();

        // Label.
        $inputs[] = [
            'label'     => __('Label'),
            'arguments' => [
                'name'   => 'label',
                'type'   => 'text',
                'value'  => $values['label'],
                'return' => true,
                'size'   => 0,
            ],
        ];

        // Type.
        $type_fields = [];
        $type_fields[0] = 'AVG';
        $type_fields[1] = 'SUM';
        $type_fields[2] = 'MAX';
        $type_fields[3] = 'MIN';
        $type_selected = explode(',', $values['type']);

        (isset($values['type']) === false) ? $type_selected = 0 : '';

        $inputs[] = [
            'label'     => __('Type'),
            'arguments' => [
                'name'           => 'type',
                'type'           => 'select',
                'fields'         => $type_fields,
                'selected'       => $type_selected,
                'return'         => true,
                'required'       => true,
                'select2_enable' => false,
                'sort'           => false,
            ],
        ];

        // Period.
        $period_fields = [];
        $period_fields[0] = __('Last 30 days');
        $period_fields[1] = __('This month');
        $period_fields[2] = __('Last 7 days');
        $period_fields[3] = __('This week');
        $period_fields[4] = __('Last 24 hrs');
        $period_fields[5] = __('Today');
        $period_selected = explode(',', $values['period']);

        (isset($values['period']) === false) ? $period_selected = 0 : '';

        $inputs[] = [
            'label'     => __('Time period'),
            'arguments' => [
                'name'           => 'period',
                'type'           => 'select',
                'fields'         => $period_fields,
                'selected'       => $period_selected,
                'return'         => true,
                'required'       => true,
                'select2_enable' => false,
                'sort'           => false,
            ],
        ];

        // Autocomplete agents.
        $inputs[] = [
            'label'     => __('Agent'),
            'arguments' => [
                'type'               => 'autocomplete_agent',
                'name'               => 'agentAlias',
                'id_agent_hidden'    => $values['agentId'],
                'name_agent_hidden'  => 'agentId',
                'server_id_hidden'   => $values['metaconsoleId'],
                'name_server_hidden' => 'metaconsoleId',
                'return'             => true,
                'module_input'       => true,
                'module_name'        => 'moduleId',
                'module_none'        => false,
                'size'               => 0,
            ],
        ];

        // Autocomplete module.
        $inputs[] = [
            'label'     => __('Module'),
            'arguments' => [
                'type'           => 'autocomplete_module',
                'name'           => 'moduleId',
                'selected'       => $values['moduleId'],
                'return'         => true,
                'sort'           => false,
                'agent_id'       => $values['agentId'],
                'metaconsole_id' => $values['metaconsoleId'],
                'style'          => 'width: inherit;',
                'filter_modules' => (users_access_to_agent($values['agentId']) === false) ? [$values['moduleId']] : [],
                'nothing'        => __('None'),
                'nothing_value'  => 0,
            ],
        ];

        // Text size of value in px.
        $inputs[] = [
            'label'     => __('Text size of value in px'),
            'arguments' => [
                'name'   => 'sizeValue',
                'type'   => 'number',
                'value'  => $values['sizeValue'],
                'return' => true,
                'min'    => 0,
            ],
        ];

        // Text size of label in px.
        $inputs[] = [
            'label'     => __('Text size of label in px'),
            'arguments' => [
                'name'   => 'sizeLabel',
                'type'   => 'number',
                'value'  => $values['sizeLabel'],
                'return' => true,
                'min'    => 0,
            ],
        ];

        // Text color.
        if (empty($values['text_color']) === true) {
            $values['text_color'] = '#000000';

            if ($config['style'] === 'pandora_black'
                && is_metaconsole() === false
            ) {
                $values['text_color'] = '#eeeeee';
            }
        }

        $inputs[] = [
            'label'     => __('Text color'),
            'arguments' => [
                'wrapper' => 'div',
                'name'    => 'text_color',
                'type'    => 'color',
                'value'   => $values['text_color'],
                'return'  => true,
            ],
        ];

        // Unit.
        $inputs[] = [
            'label'     => __('Unit'),
            'arguments' => [
                'wrapper' => 'div',
                'name'    => 'unit',
                'type'    => 'switch',
                'value'   => $values['unit'],
                'return'  => true,
            ],
        ];

        // Horizontal.
        $inputs[] = [
            'label'     => __('Horizontal').ui_print_help_tip(__('If not, layout is vertical'), true),
            'arguments' => [
                'wrapper' => 'div',
                'name'    => 'horizontal',
                'type'    => 'switch',
                'value'   => $values['horizontal'],
                'return'  => true,
            ],
        ];

        return $inputs;
    }


    /**
     * Get Post for widget.
     *
     * @return array
     */
    public function getPost():array
    {
        // Retrieve global - common inputs.
        $values = parent::getPost();

        $values['label'] = \get_parameter('label', '');
        $values['type'] = \get_parameter('type', 0);
        $values['period'] = \get_parameter('period', 0);
        $values['agentId'] = \get_parameter('agentId', 0);
        $values['metaconsoleId'] = \get_parameter('metaconsoleId', 0);
        $values['moduleId'] = \get_parameter('moduleId', 0);
        $values['sizeValue'] = \get_parameter('sizeValue', 0);
        $values['sizeLabel'] = \get_parameter_switch('sizeLabel');
        $values['text_color'] = \get_parameter('text_color', 0);
        $values['unit'] = \get_parameter_switch('unit');
        $values['horizontal'] = \get_parameter_switch('horizontal');

        return $values;
    }


    /**
     * Draw widget.
     *
     * @return string;
     */
    public function load()
    {
        global $config;

        $output = '';
        $text_color = 'color:'.$this->values['text_color'].' !important;';

        $id_module = $this->values['moduleId'];

        $to = 0;
        $now = time();

        switch ((int) $this->values['period']) {
            case 0:
                $to = strtotime('-30 days');
            break;

            case 1:
                $to = strtotime(date('Y-m-01 00:00:00'));
            break;

            case 2:
                $to = strtotime('-7 days');
            break;

            case 3:
                $to = strtotime('last Monday');
            break;

            case 4:
                $to = strtotime('-1 days');
            break;

            case 5:
                $to = strtotime(date('Y-m-d 00:00:00'));
            break;

            default:
                $to = 0;
            break;
        }

        $data = 0;
        switch ((int) $this->values['type']) {
            case 0:
                $rows = modules_get_raw_data($id_module, $to, $now);
                $count = (int) count($rows);
                $sum = 0;
                foreach ($rows as $row) {
                    $sum += (int) $row['datos'];
                }

                $data = ($sum / $count);
            break;

            case 1:
                $rows = modules_get_raw_data($id_module, $to, $now);
                $sum = 0;
                foreach ($rows as $row) {
                    $sum += (int) $row['datos'];
                }

                $data = $sum;
            break;

            case 2:
                $rows = module_get_min_max_tagente_datos($id_module, $to, $now);

                $data = $rows[0]['max'];
            break;

            case 3:
                $rows = module_get_min_max_tagente_datos($id_module, $to, $now);

                $data = $rows[0]['min'];
            break;

            default:
                $data = 0;
            break;
        }

        $label = $this->values['label'];
        $sizeLabel = (isset($this->values['sizeLabel']) === true) ? $this->values['sizeLabel'] : 40;
        $sizeValue = (isset($this->values['sizeValue']) === true) ? $this->values['sizeValue'] : 40;

        $uuid = uniqid();

        $output .= '<div class="container-center" id="container-'.$uuid.'">';

        $orientation = '';
        $extraClass = '';
        if ((int) $this->values['horizontal'] === 1) {
            $orientation = 'flex aligni_center';
        } else {
            $orientation = 'grid';
            $extraClass = 'mrgn_btn_20px';
        }

        // General div.
        $output .= '<div class="'.$orientation.'" id="general-'.$uuid.'">';

        // Div value.
        $output .= '<div class="pdd_l_15px pdd_r_15px '.$extraClass.'" style="line-height: '.$sizeValue.'px; font-size:'.$sizeValue.'px;'.$text_color.'">';

        if (is_numeric($data) === true) {
            $dataDatos = remove_right_zeros(
                number_format(
                    $data,
                    $config['graph_precision'],
                    $config['decimal_separator'],
                    $config['thousand_separator']
                )
            );
        } else {
            $dataDatos = trim($data);
        }

        $unit = '';
        if (empty($this->values['unit']) === false) {
            $unit = modules_get_unit($id_module);
        }

        $output .= $dataDatos.'&nbsp;'.$unit;

        $output .= '</div>';

        if (empty($label) === false) {
            // Div Label.
            $output .= '<div class="pdd_l_15px pdd_r_15px" style="line-height: '.$sizeLabel.'px; font-size:'.$sizeLabel.'px;'.$text_color.'">'.$label.'</div>';
        }

        $output .= '</div>';
        $output .= '</div>';

        $output .= '<script>
        var containerWidth = document.querySelector("#container-'.$uuid.'").offsetWidth;
        var generalWidth = document.querySelector("#general-'.$uuid.'").offsetWidth;

        if (generalWidth >= containerWidth) {
            $("#container-'.$uuid.'").css("align-items", "flex-start");
        } else {
            $("#container-'.$uuid.'").css("align-items", "center");
        }
        </script>';
        return $output;
    }


    /**
     * Get description.
     *
     * @return string.
     */
    public static function getDescription()
    {
        return __('Avg|Sum|Max|Min Module Data');
    }


    /**
     * Get Name.
     *
     * @return string.
     */
    public static function getName()
    {
        return 'AvgSumMaxMinModule';
    }


    /**
     * Get size Modal Configuration.
     *
     * @return array
     */
    public function getSizeModalConfiguration(): array
    {
        $size = [
            'width'  => 550,
            'height' => 710,
        ];

        return $size;
    }


}