<?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/>.
 *
 * ---------------------------------------------------------------------
 */

use Glpi\Application\View\TemplateRenderer;

class Problem_Ticket extends CommonDBRelation
{
   // From CommonDBRelation
    public static $itemtype_1   = 'Problem';
    public static $items_id_1   = 'problems_id';

    public static $itemtype_2   = 'Ticket';
    public static $items_id_2   = 'tickets_id';


    /**
     * @since 0.84
     **/
    public function getForbiddenStandardMassiveAction()
    {

        $forbidden   = parent::getForbiddenStandardMassiveAction();
        $forbidden[] = 'update';
        return $forbidden;
    }


    public static function getTypeName($nb = 0)
    {
        return _n('Link Ticket/Problem', 'Links Ticket/Problem', $nb);
    }


    /**
     * @see CommonGLPI::getTabNameForItem()
     **/
    public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
    {

        if (static::canView()) {
            $nb = 0;
            switch ($item->getType()) {
                case 'Ticket':
                    if ($_SESSION['glpishow_count_on_tabs']) {
                        $problems = self::getTicketProblemsData($item->getID());
                        $nb = count($problems);
                    }
                    return self::createTabEntry(Problem::getTypeName(Session::getPluralNumber()), $nb);

                case 'Problem':
                    if ($_SESSION['glpishow_count_on_tabs']) {
                        $tickets = self::getProblemTicketsData($item->getID());
                        $nb = count($tickets);
                    }
                    return self::createTabEntry(Ticket::getTypeName(Session::getPluralNumber()), $nb);
            }
        }
        return '';
    }


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

        switch ($item->getType()) {
            case 'Ticket':
                self::showForTicket($item);
                break;

            case 'Problem':
                self::showForProblem($item);
                break;
        }
        return true;
    }


    /**
     * @since 0.84
     **/
    public function post_addItem()
    {
        global $CFG_GLPI;

        $donotif = !isset($this->input['_disablenotif']) && $CFG_GLPI["use_notifications"];

        if ($donotif) {
            $problem = new Problem();
            $ticket  = new Ticket();
            if ($problem->getFromDB($this->input["problems_id"]) && $ticket->getFromDB($this->input["tickets_id"])) {
                NotificationEvent::raiseEvent("update", $problem);
                NotificationEvent::raiseEvent('update', $ticket);
            }
        }

        parent::post_addItem();
    }


    /**
     * @since 0.84
     **/
    public function post_deleteFromDB()
    {
        global $CFG_GLPI;

        $donotif = !isset($this->input['_disablenotif']) && $CFG_GLPI["use_notifications"];

        if ($donotif) {
            $problem = new Problem();
            if ($problem->getFromDB($this->fields["problems_id"])) {
                $options = [];
                NotificationEvent::raiseEvent("delete", $problem, $options);
            }
        }

        parent::post_deleteFromDB();
    }


    /**
     * @since 0.85
     *
     * @see CommonDBTM::showMassiveActionsSubForm()
     **/
    public static function showMassiveActionsSubForm(MassiveAction $ma)
    {
        switch ($ma->getAction()) {
            case 'add_task':
                $tasktype = 'TicketTask';
                if ($ttype = getItemForItemtype($tasktype)) {
                    $ttype->showMassiveActionAddTaskForm();
                    return true;
                }
                return false;

            case "solveticket":
                $problem = new Problem();
                $input = $ma->getInput();
                if (isset($input['problems_id']) && $problem->getFromDB($input['problems_id'])) {
                    $problem->showMassiveSolutionForm($problem);
                    echo "<br>";
                    echo Html::submit(_x('button', 'Post'), [
                        'name'  => 'massiveaction',
                        'class' => 'btn btn-primary',
                    ]);
                    return true;
                }
                return false;
        }
        return parent::showMassiveActionsSubForm($ma);
    }


    /**
     * @since 0.85
     *
     * @see CommonDBTM::processMassiveActionsForOneItemtype()
     **/
    public static function processMassiveActionsForOneItemtype(
        MassiveAction $ma,
        CommonDBTM $item,
        array $ids
    ) {

        switch ($ma->getAction()) {
            case 'add_task':
                if (!($task = getItemForItemtype('TicketTask'))) {
                    $ma->itemDone($item->getType(), $ids, MassiveAction::ACTION_KO);
                    break;
                }
                $ticket = new Ticket();
                $field = $ticket->getForeignKeyField();

                $input = $ma->getInput();

                foreach ($ids as $id) {
                    if ($item->can($id, READ)) {
                        if ($ticket->getFromDB($item->fields['tickets_id'])) {
                              $input2 = [$field              => $item->fields['tickets_id'],
                                  'taskcategories_id' => $input['taskcategories_id'],
                                  'actiontime'        => $input['actiontime'],
                                  'content'           => $input['content']
                              ];
                              if ($task->can(-1, CREATE, $input2)) {
                                  if ($task->add($input2)) {
                                      $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_OK);
                                  } else {
                                      $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_KO);
                                      $ma->addMessage($item->getErrorMessage(ERROR_ON_ACTION));
                                  }
                              } else {
                                  $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_NORIGHT);
                                  $ma->addMessage($item->getErrorMessage(ERROR_RIGHT));
                              }
                        } else {
                            $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_NORIGHT);
                            $ma->addMessage($item->getErrorMessage(ERROR_RIGHT));
                        }
                    }
                }
                return;

            case 'solveticket':
                $input  = $ma->getInput();
                $ticket = new Ticket();
                foreach ($ids as $id) {
                    if ($item->can($id, READ)) {
                        if (
                            $ticket->getFromDB($item->fields['tickets_id'])
                            && $ticket->canSolve()
                        ) {
                            $solution = new ITILSolution();
                            $added = $solution->add([
                                'itemtype'  => $ticket->getType(),
                                'items_id'  => $ticket->getID(),
                                'solutiontypes_id'   => $input['solutiontypes_id'],
                                'content'            => $input['content']
                            ]);

                            if ($added) {
                                $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_OK);
                            } else {
                                $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_KO);
                                $ma->addMessage($ticket->getErrorMessage(ERROR_ON_ACTION));
                            }
                        } else {
                            $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_NORIGHT);
                            $ma->addMessage($ticket->getErrorMessage(ERROR_RIGHT));
                        }
                    } else {
                        $ma->itemDone($item->getType(), $id, MassiveAction::ACTION_NORIGHT);
                        $ma->addMessage($ticket->getErrorMessage(ERROR_RIGHT));
                    }
                }
                return;
        }
        parent::processMassiveActionsForOneItemtype($ma, $item, $ids);
    }


    /**
     * Show tickets for a problem
     *
     * @param $problem Problem object
     **/
    public static function showForProblem(Problem $problem)
    {

        $ID = $problem->getField('id');

        if (!static::canView() || !$problem->can($ID, READ)) {
            return false;
        }

        $canedit = $problem->canEdit($ID);

        $rand = mt_rand();

        $tickets = self::getProblemTicketsData($ID);
        $used    = [];
        $numrows = count($tickets);
        foreach ($tickets as $ticket) {
            $used[$ticket['id']] = $ticket['id'];
        }

        if ($canedit) {
            echo TemplateRenderer::getInstance()->render('components/form/link_existing_or_new.html.twig', [
                'rand' => $rand,
                'link_itemtype' => __CLASS__,
                'source_itemtype' => Problem::class,
                'source_items_id' => $ID,
                'target_itemtype' => Ticket::class,
                'dropdown_options' => [
                    'entity'      => $problem->getEntityID(),
                    'entity_sons' => $problem->isRecursive(),
                    'used'        => $used,
                    'displaywith' => ['id'],
                ],
                'create_link' => false
            ]);
        }

        echo "<div class='spaced'>";
        if ($canedit && $numrows) {
            Html::openMassiveActionsForm('mass' . __CLASS__ . $rand);
            $massiveactionparams = ['num_displayed'    => min($_SESSION['glpilist_limit'], $numrows),
                'container'        => 'mass' . __CLASS__ . $rand,
                'specific_actions' => ['purge'
                                                                    => _x(
                                                                        'button',
                                                                        'Delete permanently'
                                                                    ),
                    __CLASS__ . MassiveAction::CLASS_ACTION_SEPARATOR . 'solveticket'
                                                                    => __('Solve tickets'),
                    __CLASS__ . MassiveAction::CLASS_ACTION_SEPARATOR . 'add_task'
                                                                    => __('Add a new task')
                ],
                'extraparams'      => ['problems_id' => $problem->getID()],
                'width'            => 1000,
                'height'           => 500
            ];
            Html::showMassiveActions($massiveactionparams);
        }
        echo "<table class='tab_cadre_fixehov'>";
        echo "<tr class='noHover'><th colspan='12'>" . Ticket::getTypeName($numrows) . "</th>";
        echo "</tr>";
        if ($numrows) {
            Ticket::commonListHeader(Search::HTML_OUTPUT, 'mass' . __CLASS__ . $rand);
            Session::initNavigateListItems(
                'Ticket',
                //TRANS : %1$s is the itemtype name,
                                 //        %2$s is the name of the item (used for headings of a list)
                                         sprintf(
                                             __('%1$s = %2$s'),
                                             Problem::getTypeName(1),
                                             $problem->fields["name"]
                                         )
            );

            $i = 0;
            foreach ($tickets as $data) {
                Session::addToNavigateListItems('Ticket', $data["id"]);
                Ticket::showShort(
                    $data['id'],
                    [
                        'row_num'                => $i,
                        'type_for_massiveaction' => __CLASS__,
                        'id_for_massiveaction'   => $data['linkid']
                    ]
                );
                 $i++;
            }
            Ticket::commonListHeader(Search::HTML_OUTPUT, 'mass' . __CLASS__ . $rand);
        }
        echo "</table>";
        if ($canedit && $numrows) {
            $massiveactionparams['ontop'] = false;
            Html::showMassiveActions($massiveactionparams);
            Html::closeForm();
        }
        echo "</div>";
    }


    /**
     * Show problems for a ticket
     *
     * @param $ticket Ticket object
     **/
    public static function showForTicket(Ticket $ticket)
    {

        $ID = $ticket->getField('id');

        if (!static::canView() || !$ticket->can($ID, READ)) {
            return false;
        }

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

        $rand = mt_rand();

        $problems = self::getTicketProblemsData($ID);
        $used     = [];
        $numrows  = count($problems);
        foreach ($problems as $problem) {
            $used[$problem['id']] = $problem['id'];
        }
        if ($canedit) {
            echo TemplateRenderer::getInstance()->render('components/form/link_existing_or_new.html.twig', [
                'rand' => $rand,
                'link_itemtype' => __CLASS__,
                'source_itemtype' => Ticket::class,
                'source_items_id' => $ID,
                'target_itemtype' => Problem::class,
                'dropdown_options' => [
                    'entity'      => $ticket->getEntityID(),
                    'entity_sons' => $ticket->isRecursive(),
                    'condition'   => Problem::getOpenCriteria(),
                    'used'        => $used,
                    'displaywith' => ['id'],
                ],
                'create_link' => Session::haveRight(Problem::$rightname, CREATE)
            ]);
        }

        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 class='noHover'><th colspan='12'>" . Problem::getTypeName($numrows) . "</th>";
        echo "</tr>";
        if ($numrows) {
            Problem::commonListHeader(Search::HTML_OUTPUT, 'mass' . __CLASS__ . $rand);
            Session::initNavigateListItems(
                'Problem',
                //TRANS : %1$s is the itemtype name,
                              //        %2$s is the name of the item (used for headings of a list)
                                        sprintf(
                                            __('%1$s = %2$s'),
                                            Ticket::getTypeName(1),
                                            $ticket->fields["name"]
                                        )
            );

            $i = 0;
            foreach ($problems as $data) {
                Session::addToNavigateListItems('Problem', $data["id"]);
                Problem::showShort($data['id'], ['row_num'                => $i,
                    'type_for_massiveaction' => __CLASS__,
                    'id_for_massiveaction'   => $data['linkid']
                ]);
                 $i++;
            }
            Problem::commonListHeader(Search::HTML_OUTPUT, 'mass' . __CLASS__ . $rand);
        }

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

    /**
     * Returns problems data for given ticket.
     * Returned data is usable by `Problem::showShort()` method.
     *
     * @param integer $tickets_id
     *
     * @return array
     */
    private static function getTicketProblemsData($tickets_id)
    {

        $ticket = new Ticket();
        $ticket->fields['id'] = $tickets_id;
        $iterator = self::getListForItem($ticket);

        $problems = [];
        foreach ($iterator as $data) {
            $problem = new Problem();
            $problem->getFromDB($data['id']);
            if ($problem->canViewItem()) {
                $problems[$data['id']] = $data;
            }
        }

        return $problems;
    }

    /**
     * Returns tickets data for given problem.
     * Returned data is usable by `Ticket::showShort()` method.
     *
     * @param integer $problems_id
     *
     * @return array
     */
    private static function getProblemTicketsData($problems_id)
    {

        $problem = new Problem();
        $problem->fields['id'] = $problems_id;
        $iterator = self::getListForItem($problem);

        $tickets = [];
        foreach ($iterator as $data) {
            $ticket = new Ticket();
            $ticket->getFromDB($data['id']);
            if ($ticket->canViewItem()) {
                $tickets[$data['id']] = $data;
            }
        }

        return $tickets;
    }
}
