<?php

/**
 * ---------------------------------------------------------------------
 *
 * GLPI - Gestionnaire Libre de Parc Informatique
 *
 * http://glpi-project.org
 *
 * @copyright 2015-2026 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/>.
 *
 * ---------------------------------------------------------------------
 */

/**
 * SlaLevel class
 **/
class SlaLevel extends LevelAgreementLevel
{
    protected $rules_id_field     = 'slalevels_id';
    protected $ruleactionclass    = 'SlaLevelAction';
    protected static $parentclass = 'SLA';
    protected static $fkparent    = 'slas_id';
    // No criteria
    protected $rulecriteriaclass = 'SlaLevelCriteria';


    public static function getTable($classname = null)
    {
        return CommonDBTM::getTable(__CLASS__);
    }


    public function cleanDBonPurge()
    {
        parent::cleanDBonPurge();

        // SlaLevel_Ticket does not extends CommonDBConnexity
        $slt = new SlaLevel_Ticket();
        $slt->deleteByCriteria([$this->rules_id_field => $this->fields['id']]);
    }


    public function showForParent(SLA $sla)
    {
        return $this->showForSLA($sla);
    }


    public function getForbiddenStandardMassiveAction()
    {
        $forbidden   = parent::getForbiddenStandardMassiveAction();
        $forbidden[] = 'clone';
        return $forbidden;
    }


    /**
     * @param $sla SLA object
     *
     * @since 9.1 (before showForSLA)
     **/
    public function showForSLA(SLA $sla)
    {
        /** @var \DBmysql $DB */
        global $DB;

        $ID = $sla->getField('id');
        if (!$sla->can($ID, READ)) {
            return false;
        }

        $canedit = $sla->can($ID, UPDATE);

        $rand    = mt_rand();

        if ($canedit) {
            echo "<div class='center first-bloc'>";
            echo "<form name='slalevel_form$rand' id='slalevel_form$rand' method='post' action='";
            echo Toolbox::getItemTypeFormURL(__CLASS__) . "'>";

            echo "<table class='tab_cadre_fixe'>";
            echo "<tr class='tab_bg_1'><th colspan='7'>" . __('Add an escalation level') . "</tr>";

            echo "<tr class='tab_bg_2'><td class='center'>" . __('Name') . "";
            echo "<input type='hidden' name='slas_id' value='$ID'>";
            echo "<input type='hidden' name='entities_id' value='" . $sla->getEntityID() . "'>";
            echo "<input type='hidden' name='is_recursive' value='" . $sla->isRecursive() . "'>";
            echo "<input type='hidden' name='match' value='AND'>";
            echo "</td><td><input  name='name' value=''>";
            echo "</td><td class='center'>" . __('Execution') . "</td><td>";

            $delay = $sla->getTime();
            self::dropdownExecutionTime(
                'execution_time',
                ['max_time' => $delay,
                    'used'     => self::getAlreadyUsedExecutionTime($sla->fields['id']),
                    'type'     => $sla->fields['type'],
                ]
            );

            echo "</td><td class='center'>" . __('Active') . "</td><td>";
            Dropdown::showYesNo("is_active", 1);
            echo "</td><td class='center'>";
            echo "<input type='submit' name='add' value=\"" . _sx('button', 'Add') . "\" class='btn btn-primary'>";
            echo "</td></tr>";

            echo "</table>";
            Html::closeForm();
            echo "</div>";
        }

        $iterator = $DB->request([
            'FROM'   => self::getTable(),
            'WHERE'  => [
                'slas_id'   => $ID,
            ],
            'ORDER'  => 'execution_time',
        ]);
        $numrows = count($iterator);

        echo "<div class='spaced'>";
        if ($canedit && $numrows) {
            Html::openMassiveActionsForm('mass' . __CLASS__ . $rand);
            $massiveactionparams = ['num_displayed'  => min($_SESSION['glpilist_limit'], $numrows),
                'container'      => 'mass' . __CLASS__ . $rand,
            ];
            Html::showMassiveActions($massiveactionparams);
        }

        echo "<table class='tab_cadre_fixehov'>";
        echo "<tr>";
        if ($canedit && $numrows) {
            echo "<th width='10'>" . Html::getCheckAllAsCheckbox('mass' . __CLASS__ . $rand) . "</th>";
        }
        echo "<th>" . __('Name') . "</th>";
        echo "<th>" . __('Execution') . "</th>";
        echo "<th>" . __('Active') . "</th>";
        echo "</tr>";
        Session::initNavigateListItems(
            'SlaLevel',
            //TRANS: %1$s is the itemtype name, %2$s is the name of the item (used for headings of a list)
            sprintf(
                __('%1$s = %2$s'),
                SLA::getTypeName(1),
                $sla->getName()
            )
        );

        foreach ($iterator as $data) {
            Session::addToNavigateListItems('SlaLevel', $data["id"]);

            echo "<tr class='tab_bg_2'>";
            if ($canedit) {
                echo "<td>" . Html::getMassiveActionCheckBox(__CLASS__, $data["id"]) . "</td>";
            }

            echo "<td>";
            if ($canedit) {
                echo "<a href='" . Toolbox::getItemTypeFormURL('SlaLevel') . "?id=" . $data["id"] . "'>";
            }
            echo $data["name"];
            if (empty($data["name"])) {
                echo "(" . $data['id'] . ")";
            }
            if ($canedit) {
                echo "</a>";
            }
            echo "</td>";
            echo "<td>" . ($data["execution_time"] != 0
                        ? Html::timestampToString($data["execution_time"], false)
                        : ($sla->fields['type'] == 1
                              ? __('Time to own')
                              : __('Time to resolve'))) .
                "</td>";
            echo "<td>" . Dropdown::getYesNo($data["is_active"]) . "</td>";
            echo "</tr>";

            echo "<tr class='tab_bg_1'><td colspan='2'>";
            $this->getRuleWithCriteriasAndActions($data['id'], 1, 1);
            $this->showCriteriasList($data["id"], ['readonly' => true]);
            echo "</td><td colspan='2'>";
            $this->showActionsList($data["id"], ['readonly' => true]);
            echo "</td></tr>";
        }

        echo "</table>";
        if ($canedit && $numrows) {
            $massiveactionparams['ontop'] = false;
            Html::showMassiveActions($massiveactionparams);
            Html::closeForm();
        }
        echo "</div>";
    }


    public function getActions()
    {

        $actions = parent::getActions();

        unset($actions['slas_id']);
        $actions['recall']['name']          = __('Automatic reminders of SLA');
        $actions['recall']['type']          = 'yesonly';
        $actions['recall']['force_actions'] = ['send'];

        return $actions;
    }


    /**
     * Show the rule
     *
     * @param $ID              ID of the rule
     * @param $options   array of possible options
     *
     * @return void
     **/
    public function showForm($ID, array $options = [])
    {

        $canedit = $this->can('sla', UPDATE);

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

        echo "<tr class='tab_bg_1'>";
        echo "<td>" . __('Name') . "</td>";
        echo "<td>";
        echo Html::input('name', ['value' => $this->fields['name']]);
        echo "</td>";
        echo "<td>" . __('Active') . "</td>";
        echo "<td>";
        Dropdown::showYesNo("is_active", $this->fields["is_active"]);
        echo"</td></tr>\n";

        $sla = new SLA();
        $sla->getFromDB($this->fields['slas_id']);

        echo "<tr class='tab_bg_1'>";
        echo "<td>" . SLA::getTypeName(1) . "</td>";
        echo "<td>" . $sla->getLink() . "</td>";
        echo "<td>" . __('Execution') . "</td>";
        echo "<td>";

        $delay = $sla->getTime();

        self::dropdownExecutionTime(
            'execution_time',
            ['max_time'
                                             => $delay,
                'used'
                                             => self::getAlreadyUsedExecutionTime($sla->fields['id']),
                'value'
                                             => $this->fields['execution_time'],
                'type'
            => $sla->fields['type'],
            ]
        );
        echo "</td></tr>\n";

        echo "<tr class='tab_bg_1'>";
        echo "<td>" . __('Logical operator') . "</td>";
        echo "<td>";
        $this->dropdownRulesMatch(['value' => $this->fields["match"]]);
        echo "</td>";
        echo "<td colspan='2'>&nbsp;</td></tr>";

        $this->showFormButtons($options);
    }

    /**
     * Get first level for a SLA
     *
     * @param integer $slas_id id of the SLA
     *
     * @since 9.1 (before getFirst SlaLevel)
     *
     * @return integer id of the sla level : 0 if not exists
     **/
    public static function getFirstSlaLevel($slas_id)
    {
        /** @var \DBmysql $DB */
        global $DB;

        $iterator = $DB->request([
            'SELECT' => 'id',
            'FROM'   => self::getTable(),
            'WHERE'  => [
                'slas_id'   => $slas_id,
                'is_active' => 1,
            ],
            'ORDER'  => 'execution_time ASC',
            'LIMIT'  => 1,
        ]);

        if ($result = $iterator->current()) {
            return $result['id'];
        }
        return 0;
    }


    /**
     * Get next level for a SLA
     *
     * @param integer $slas_id      id of the SLA
     * @param integer $slalevels_id id of the current SLA level
     *
     * @return integer id of the sla level : 0 if not exists
     **/
    public static function getNextSlaLevel($slas_id, $slalevels_id)
    {
        /** @var \DBmysql $DB */
        global $DB;

        $iterator = $DB->request([
            'SELECT' => 'execution_time',
            'FROM'   => self::getTable(),
            'WHERE'  => ['id' => $slalevels_id],
        ]);

        if ($result = $iterator->current()) {
            $execution_time = $result['execution_time'];

            $lvl_iterator = $DB->request([
                'SELECT' => 'id',
                'FROM'   => self::getTable(),
                'WHERE'  => [
                    'slas_id'         => $slas_id,
                    'is_active'       => 1,
                    'id'              => ['<>', $slalevels_id],
                    'execution_time'  => ['>', $execution_time],
                ],
                'ORDER'  => 'execution_time ASC',
                'LIMIT'  => 1,
            ]);

            if ($result = $lvl_iterator->current()) {
                return $result['id'];
            }
        }
        return 0;
    }
}
