<?php

/**
 * ---------------------------------------------------------------------
 *
 * GLPI - Gestionnaire Libre de Parc Informatique
 *
 * http://glpi-project.org
 *
 * @copyright 2015-2023 Teclib' and contributors.
 * @copyright 2003-2014 by the INDEPNET Development Team.
 * @licence   https://www.gnu.org/licenses/gpl-3.0.html
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * 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 3 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, see <https://www.gnu.org/licenses/>.
 *
 * ---------------------------------------------------------------------
 */

class DatabaseInstance extends CommonDBTM
{
    use Glpi\Features\Clonable;
    use Glpi\Features\Inventoriable;

   // From CommonDBTM
    public $dohistory                   = true;
    public static $rightname            = 'database';
    protected $usenotepad               = true;
    protected static $forward_entity_to = ['Database'];

    public function getCloneRelations(): array
    {
        return [
            Appliance_Item::class,
            Contract_Item::class,
            Document_Item::class,
            Infocom::class,
            Notepad::class,
            KnowbaseItem_Item::class,
            Certificate_Item::class,
            Domain_Item::class,
            Database::class
        ];
    }

    public function useDeletedToLockIfDynamic()
    {
        return false;
    }

    public static function getTypeName($nb = 0)
    {
        return _n('Database instance', 'Database instances', $nb);
    }

    public function defineTabs($options = [])
    {
        $ong = [];
        $this->addDefaultFormTab($ong)
         ->addImpactTab($ong, $options)
         ->addStandardTab('DatabaseInstance', $ong, $options)
         ->addStandardTab('Database', $ong, $options)
         ->addStandardTab('Infocom', $ong, $options)
         ->addStandardTab('Contract_Item', $ong, $options)
         ->addStandardTab('Document_Item', $ong, $options)
         ->addStandardTab('KnowbaseItem_Item', $ong, $options)
         ->addStandardTab('Ticket', $ong, $options)
         ->addStandardTab('Item_Problem', $ong, $options)
         ->addStandardTab('Change_Item', $ong, $options)
         ->addStandardTab('Certificate_Item', $ong, $options)
         ->addStandardTab('Lock', $ong, $options)
         ->addStandardTab('Notepad', $ong, $options)
         ->addStandardTab('Domain_Item', $ong, $options)
         ->addStandardTab('Appliance_Item', $ong, $options)
         ->addStandardTab('Log', $ong, $options);
        return $ong;
    }

    public function getDatabases(): array
    {
        global $DB;
        $dbs = [];

        $iterator = $DB->request([
            'FROM' => Database::getTable(),
            'WHERE' => [
                'databaseinstances_id' => $this->fields['id'],
                'is_deleted' => 0
            ]
        ]);

        foreach ($iterator as $row) {
            $dbs[$row['id']] = $row;
        }

        return $dbs;
    }

    public function showForm($ID, array $options = [])
    {
        global $CFG_GLPI;

        $rand = mt_rand();
        $this->initForm($ID, $options);
        $this->showFormHeader($options);

        echo "<tr class='tab_bg_1'>";

        echo "<td><label for='dropdown_itemtype$rand'>" . __('Item type') . "</label></td>";

        $itemtype = $this->fields['itemtype'];
        echo "<td>";
        $rand = Dropdown::showItemTypes(
            'itemtype',
            $CFG_GLPI['databaseinstance_types'],
            [
                'value' => $itemtype,
                'rand'  => $rand
            ]
        );
        echo "</td>";

        echo "<td><label for='dropdown_items_id$rand'>" . _n('Item', 'Items', 1) . "</label></td>";

        echo "<td>";
        if ($itemtype) {
            $p = [
                'itemtype' => '__VALUE__',
                'dom_rand' => $rand,
                'dom_name' => "items_id",
                'action' => 'get_items_from_itemtype'
            ];
            Ajax::updateItemOnSelectEvent(
                "dropdown_itemtype$rand",
                "items_id$rand",
                $CFG_GLPI["root_doc"] . "/ajax/dropdownAllItems.php",
                $p
            );

            $itemtype::dropdown([
                'name' => 'items_id',
                'value' => $this->fields['items_id'],
                'display_emptychoice' => true,
                'rand' => $rand
            ]);
        } else {
            $p = ['idtable'            => '__VALUE__',
                'rand'                  => $rand,
                'name'                  => "items_id",
                'width'                 => 'unset'
            ];

            Ajax::updateItemOnSelectEvent(
                "dropdown_itemtype$rand",
                "results_itemtype$rand",
                $CFG_GLPI["root_doc"] . "/ajax/dropdownAllItems.php",
                $p
            );

            echo "<span id='results_itemtype$rand'></span>";
        }
        echo "</td></tr>\n";

        echo "<td><label for='textfield_name$rand'>" . __('Name') . "</label></td>";
        echo "<td>";
        echo Html::input(
            'name',
            [
                'value' => $this->fields['name'],
                'id'    => "textfield_name$rand",
            ]
        );
        echo "</td>";
        echo "<td><label for='dropdown_states_id$rand'>" . __('Status') . "</label></td>";
        echo "<td>";
        State::dropdown([
            'value'     => $this->fields["states_id"],
            'entity'    => $this->fields["entities_id"],
            'condition' => ['is_visible_databaseinstance' => 1],
            'rand'      => $rand
        ]);
        echo "</td></tr>\n";

        echo "<tr class='tab_bg_1'>";
        echo "<td><label for='dropdown_locations_id$rand'>" . Location::getTypeName(1) . "</label></td>";
        echo "<td>";
        Location::dropdown(['value'  => $this->fields["locations_id"],
            'entity' => $this->fields["entities_id"],
            'rand' => $rand
        ]);
        echo "</td>";
        echo "<td><label for='dropdown_databaseinstancetypes_id$rand'>" . DatabaseInstanceType::getFieldLabel() . "</label></td>";
        echo "<td>";
        DatabaseInstanceType::dropdown(['value' => $this->fields["databaseinstancetypes_id"], 'rand' => $rand]);
        echo "</td></tr>\n";

        echo "<tr class='tab_bg_1'>";
        echo "<td><label for='version$rand'>" . _n('Version', 'Versions', 1) . "</label></td>";
        echo "<td>";
        echo Html::input(
            'version',
            [
                'id' => 'version' . $rand,
                'value' => $this->fields['version']
            ]
        );
        echo "</td>";
        echo "<td><label for='dropdown_databaseinstancecategories_id$rand'>" . DatabaseInstanceCategory::getTypeName(1) . "</label></td>";
        echo "<td>";
        DatabaseInstanceCategory::dropdown(['value' => $this->fields["databaseinstancecategories_id"], 'rand' => $rand]);
        echo "</td></tr>\n";

        echo "<tr class='tab_bg_1'>";
        echo "<td><label for='is_active$rand'>" . __('Is active') . "</label></td>";
        echo "<td>";
        Dropdown::showYesNo('is_active', $this->fields['is_active']);
        echo "<td>" . __('Associable to a ticket') . "</td><td>";
        Dropdown::showYesNo('is_helpdesk_visible', $this->fields['is_helpdesk_visible']);
        echo "</td></tr>\n";

        echo "<tr class='tab_bg_1'>";
        echo "<td><label for='dropdown_groups_id_tech$rand'>" . __('Group in charge of the hardware') . "</label></td>";
        echo "<td>";
        Group::dropdown([
            'name'      => 'groups_id_tech',
            'value'     => $this->fields['groups_id_tech'],
            'entity'    => $this->fields['entities_id'],
            'condition' => ['is_assign' => 1],
            'rand' => $rand
        ]);

        echo "</td>";

        $rowspan        = 3;

        echo "<td rowspan='$rowspan'><label for='comment'>" . __('Comments') . "</label></td>";
        echo "<td rowspan='$rowspan' class='middle'>";

        echo "<textarea class='form-control' id='comment' name='comment' >" .
         $this->fields["comment"];
        echo "</textarea></td></tr>";

        echo "<tr class='tab_bg_1'>";
        echo "<td><label for='dropdown_users_id_tech$rand'>" . __('Technician in charge of the hardware') . "</label></td>";
        echo "<td>";
        User::dropdown(['name'   => 'users_id_tech',
            'value'  => $this->fields["users_id_tech"],
            'right'  => 'own_ticket',
            'entity' => $this->fields["entities_id"],
            'rand'   => $rand
        ]);
        echo "</td></tr>";
        echo "<tr><td><label for='dropdown_manufacturers_id$rand'>" . Manufacturer::getTypeName(1) . "</label></td>";
        echo "<td>";
        Manufacturer::dropdown(['value' => $this->fields["manufacturers_id"], 'rand' => $rand]);
        echo "</td></tr>\n";

        echo "<tr class='tab_bg_1'>";
        echo "<td><label for='is_onbackup$rand'>" . __('Has backup') . "</label></td>";
        echo "<td>";
        Dropdown::showYesNo('is_onbackup', $this->fields['is_onbackup']);
        echo "</td>";
        echo "<td><label for='date_lastbackup$rand'>" . __('Last backup date') . "</label></td>";
        echo "<td>";
        Html::showDateTimeField(
            "date_lastbackup",
            [
                'value'      => $this->fields['date_lastbackup'],
                'maybeempty' => true
            ]
        );
        echo "</td></tr>\n";

        echo "<tr class='tab_bg_1'>";
        echo "<td><label for='port$rand'>" . _n('Port', 'Ports', 1) . "</label></td>";
        echo "<td>";
        echo Html::input('port', [
            'value' => $this->fields['port'],
            'id'    => "port$rand"
        ]);
        echo "</td>";
        echo "<td><label for='path$rand'>" . __('Path') . "</label></td>";
        echo "<td>";
        echo Html::input('path', [
            'value' => $this->fields['path'],
            'id'    => "path$rand"
        ]);
        echo "</td></tr>\n";

        $this->showInventoryInfo();

        $this->showFormButtons($options);

        return true;
    }

    public function prepareInputForAdd($input)
    {
        if (isset($input['date_lastbackup']) && empty($input['date_lastbackup'])) {
            unset($input['date_lastbackup']);
        }

        if (isset($input['size']) && empty($input['size'])) {
            unset($input['size']);
        }

        return $input;
    }

    public function rawSearchOptions()
    {

        $tab = parent::rawSearchOptions();

        $tab[] = [
            'id'                 => '2',
            'table'              => $this->getTable(),
            'field'              => 'id',
            'name'               => __('ID'),
            'massiveaction'      => false, // implicit field is id
            'datatype'           => 'number'
        ];

        $tab = array_merge($tab, Location::rawSearchOptionsToAdd());

        $tab[] = [
            'id'                 => '4',
            'table'              => DatabaseInstanceType::getTable(),
            'field'              => 'name',
            'name'               => _n('Type', 'Types', 1),
            'datatype'           => 'dropdown'
        ];

        $tab[] = [
            'id'                 => '168',
            'table'              => self::getTable(),
            'field'              => 'port',
            'name'               => _n('Port', 'Ports', 1),
            'forcegroupby'       => true,
            'massiveaction'      => false,
            'datatype'           => 'integer',
            'joinparams'         => [
                'jointype'           => 'child'
            ]
        ];

        $tab[] = [
            'id'               => '5',
            'table'            => DatabaseInstance::getTable(),
            'field'            => 'items_id',
            'name'             => _n('Associated item', 'Associated items', 2),
            'nosearch'         => true,
            'massiveaction'    => false,
            'forcegroupby'     => true,
            'datatype'         => 'specific',
            'searchtype'       => 'equals',
            'additionalfields' => ['itemtype'],
            'joinparams'       => ['jointype' => 'child']
        ];

        $tab[] = [
            'id'                 => '6',
            'table'              => DatabaseInstance::getTable(),
            'field'              => 'version',
            'name'               => _n('Version', 'Versions', 1),
            'datatype'           => 'text'
        ];

        $tab[] = [
            'id'                 => '40',
            'table'              => DatabaseInstanceCategory::getTable(),
            'field'              => 'name',
            'name'               => _n('Category', 'Categories', 1),
            'datatype'           => 'dropdown'
        ];

        $tab[] = [
            'id'                 => '41',
            'table'              => State::getTable(),
            'field'              => 'name',
            'name'               => _n('State', 'States', 1),
            'datatype'           => 'dropdown'
        ];

        $tab[] = [
            'id'                 => '16',
            'table'              => $this->getTable(),
            'field'              => 'comment',
            'name'               => __('Comments'),
            'datatype'           => 'text'
        ];

        $tab[] = [
            'id'                 => '19',
            'table'              => $this->getTable(),
            'field'              => 'date_mod',
            'name'               => __('Last update'),
            'datatype'           => 'datetime',
            'massiveaction'      => false
        ];

        $tab[] = [
            'id'                 => '121',
            'table'              => $this->getTable(),
            'field'              => 'date_creation',
            'name'               => __('Creation date'),
            'datatype'           => 'datetime',
            'massiveaction'      => false
        ];

        $tab[] = [
            'id'                 => '171',
            'table'              => self::getTable(),
            'field'              => 'date_lastboot',
            'name'               => __('Last boot date'),
            'massiveaction'      => false,
            'datatype'           => 'date'
        ];

        $tab[] = [
            'id'                 => '23',
            'table'              => Manufacturer::getTable(),
            'field'              => 'name',
            'name'               => Manufacturer::getTypeName(1),
            'datatype'           => 'dropdown'
        ];

        $tab[] = [
            'id'                 => '24',
            'table'              => User::getTable(),
            'field'              => 'name',
            'linkfield'          => 'users_id_tech',
            'name'               => __('Technician in charge'),
            'datatype'           => 'dropdown',
            'right'              => 'own_ticket'
        ];

        $tab[] = [
            'id'                 => '49',
            'table'              => Group::getTable(),
            'field'              => 'completename',
            'linkfield'          => 'groups_id_tech',
            'name'               => __('Group in charge'),
            'condition'          => ['is_assign' => 1],
            'datatype'           => 'dropdown'
        ];

        $tab = array_merge($tab, Database::rawSearchOptionsToAdd());
        $tab = array_merge($tab, Notepad::rawSearchOptionsToAdd());

        return $tab;
    }

    public static function getSpecificValueToDisplay($field, $values, array $options = [])
    {

        if (!is_array($values)) {
            $values = [$field => $values];
        }

        switch ($field) {
            case 'items_id':
                $itemtype = $values[str_replace('items_id', 'itemtype', $field)] ?? null;
                if ($itemtype !== null && class_exists($itemtype)) {
                    if ($values[$field] > 0) {
                        $item = new $itemtype();
                        $item->getFromDB($values[$field]);
                        return "<a href='" . $item->getLinkURL() . "'>" . $item->fields['name'] . "</a>";
                    }
                } else {
                    return ' ';
                }
                break;
        }
        return parent::getSpecificValueToDisplay($field, $values, $options);
    }


    /**
     * Get item types that can be linked to a database
     *
     * @param boolean $all Get all possible types or only allowed ones
     *
     * @return array
     */
    public static function getTypes($all = false): array
    {
        global $CFG_GLPI;

        $types = $CFG_GLPI['databaseinstance_types'];

        foreach ($types as $key => $type) {
            if (!class_exists($type)) {
                continue;
            }

            if ($all === false && !$type::canView()) {
                unset($types[$key]);
            }
        }
        return $types;
    }

    public function cleanDBonPurge()
    {
        $this->deleteChildrenAndRelationsFromDb(
            [
                Database::class
            ]
        );
    }

    public function pre_purgeInventory()
    {
        return true;
    }

    public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
    {
        if (!self::canView()) {
            return '';
        }

        $nb = 0;
        if (in_array($item->getType(), self::getTypes(true))) {
            if ($_SESSION['glpishow_count_on_tabs']) {
                $nb = countElementsInTable(self::getTable(), ['itemtype' => $item->getType(), 'items_id' => $item->fields['id']]);
            }
            return self::createTabEntry(self::getTypeName(Session::getPluralNumber()), $nb);
        }
        return '';
    }

    public static function displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0)
    {

        switch ($item->getType()) {
            default:
                if (in_array($item->getType(), self::getTypes())) {
                    self::showInstances($item, $withtemplate);
                }
        }
        return true;
    }

    public static function showInstances(CommonDBTM $item, $withtemplate)
    {
        global $DB;

        $instances = $DB->request([
            'FROM'   => self::getTable(),
            'WHERE'  => [
                'itemtype' => $item->getType(),
                'items_id' => $item->fields['id']
            ]
        ]);

        if (!count($instances)) {
            echo "<table class='tab_cadre_fixe'><tr><th>" . __('No instance found') . "</th></tr>";
            echo "</table>";
        } else {
            echo "<table class='tab_cadre_fixehov'>";
            $header = "<tr>";
            $header .= "<th>" . __('Name') . "</th>";
            $header .= "<th>" . Database::getTypeName(1) . "</th>";
            $header .= "<th>" . _n('Version', 'Versions', 1) . "</th>";
            $header .= "<th>" . DatabaseInstanceType::getTypeName(0) . "</th>";
            $header .= "<th>" . Manufacturer::getTypeName(0) . "</th>";
            $header .= "<th></th>";
            $header .= "</tr>";
            echo $header;

            foreach ($instances as $row) {
                $item = new self();
                $item->getFromDB($row['id']);
                echo "<tr class='tab_bg_1" . ($item->fields['is_deleted'] ? '_2' : '') . "'>";
                echo "<td>" . $item->getLink() . "</td>";
                $databases = $item->getDatabases();
                echo "<td>" . sprintf(_n('%1$d database', '%1$d databases', count($databases)), count($databases)) . "</td>";
                echo "<td>" . $item->fields['version'] . "</td>";
                $databasetype = new DatabaseInstanceType();
                $databasetype_name = '';
                if ($item->fields['databaseinstancetypes_id'] > 0 && $databasetype->getFromDB($item->fields['databaseinstancetypes_id'])) {
                    $databasetype_name = $databasetype->fields['name'];
                }
                echo "<td>" . $databasetype_name . "</td>";
                $manufacturer = new Manufacturer();
                $manufacturer_name = '';
                if ($item->fields['manufacturers_id'] > 0 && $manufacturer->getFromDB($item->fields['manufacturers_id'])) {
                    $manufacturer_name = $manufacturer->fields['name'];
                }
                echo "<td>" . $manufacturer_name . "</td>";
                echo "</tr>";
            }
            echo $header;
            echo "</table>";
        }
    }

    public static function getIcon()
    {
        return "ti ti-database-import";
    }
}