<?php

/**
 * FusionInventory
 *
 * Copyright (C) 2010-2016 by the FusionInventory Development Team.
 *
 * http://www.fusioninventory.org/
 * https://github.com/fusioninventory/fusioninventory-for-glpi
 * http://forge.fusioninventory.org/
 *
 * ------------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of FusionInventory project.
 *
 * FusionInventory is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * FusionInventory 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with FusionInventory. If not, see <http://www.gnu.org/licenses/>.
 *
 * ------------------------------------------------------------------------
 *
 * This file is used to manage the deploy mirror depend on location of
 * computer.
 *
 * ------------------------------------------------------------------------
 *
 * @package   FusionInventory
 * @author    Walid Nouh
 * @author    David Durieux
 * @copyright Copyright (c) 2010-2016 FusionInventory team
 * @license   AGPL License 3.0 or (at your option) any later version
 *            http://www.gnu.org/licenses/agpl-3.0-standalone.html
 * @link      http://www.fusioninventory.org/
 * @link      https://github.com/fusioninventory/fusioninventory-for-glpi
 *
 */

if (!defined('GLPI_ROOT')) {
   die("Sorry. You can't access directly to this file");
}

/**
 * Manage the deploy mirror depend on location of computer.
 */
class PluginFusioninventoryDeployMirror extends CommonDBTM {
   const MATCH_LOCATION = 0;
   const MATCH_ENTITY   = 1;
   const MATCH_BOTH     = 2;

   /**
    * We activate the history.
    *
    * @var boolean
    */
   public $dohistory = true;

   /**
    * The right name for this class
    *
    * @var string
    */
   static $rightname = 'plugin_fusioninventory_deploymirror';


   /**
    * Get name of this type by language of the user connected
    *
    * @param integer $nb number of elements
    * @return string name of this type
    */
   static function getTypeName($nb = 0) {
      return __('Mirror servers', 'fusioninventory');
   }


   /**
    * Define tabs to display on form page
    *
    * @param array $options
    * @return array containing the tabs name
    */
   function defineTabs($options = []) {

      $ong=[];
      $this->addDefaultFormTab($ong)
         ->addStandardTab('Log', $ong, $options);

      return $ong;
   }


   /**
    * Get and filter mirrors list by computer agent and location.
    * Location is retrieved from the computer data.
    *
    * @global array $PF_CONFIG
    * @param integer $agents_id
    * @return array
    */
   static function getList($agents_id) {
      global $PF_CONFIG, $DB;

      if (is_null($agents_id)) {
         return [];
      }

      $pfAgent = new PluginFusioninventoryAgent();
      $pfAgent->getFromDB($agents_id);
      $agent = $pfAgent->fields;
      if (!isset($agent) || !isset($agent['computers_id'])) {
         return [];
      }

      $computer = new Computer();
      $computer->getFromDB($agent['computers_id']);

      //If no configuration has been done in the plugin's configuration
      //then use location for mirrors as default
      //!!this should not happen!!
      if (!isset($PF_CONFIG['mirror_match'])) {
         $mirror_match = self::MATCH_LOCATION;
      } else {
         //Get mirror matching from plugin's general configuration
         $mirror_match = $PF_CONFIG['mirror_match'];
      }

      //Get all mirrors for the agent's entity, or for entities above
      //sorted by entity level in a descending way (going to the closest,
      //deepest entity, to the highest)
      $query     = "SELECT `mirror`.*, `glpi_entities`.`level`
                    FROM `glpi_plugin_fusioninventory_deploymirrors` AS mirror
                    LEFT JOIN `glpi_entities`
                     ON (`mirror`.`entities_id`=`glpi_entities`.`id`)
                    WHERE `mirror`.`is_active`='1'";
      $query    .= getEntitiesRestrictRequest(' AND ',
                                              'mirror',
                                              'entities_id',
                                              $agent['entities_id'],
                                              true);
      $query   .= " ORDER BY `glpi_entities`.`level` DESC";

      //The list of mirrors to return
      $mirrors  = [];

      foreach ($DB->request($query) as $result) {

         //First, check mirror by location
         if (in_array($mirror_match, [self::MATCH_LOCATION, self::MATCH_BOTH])
             && $computer->fields['locations_id'] > 0
               && $computer->fields['locations_id'] == $result['locations_id']) {
            $mirrors[] = $result['url'];
         }

         //Second, check by entity
         if (in_array($mirror_match, [self::MATCH_ENTITY, self::MATCH_BOTH])) {
            $entities = $result['entities_id'];

            //If the mirror is visible in child entities then get all child entities
            //and check it the agent's entity is one of it
            if ($result['is_recursive']) {
               $entities = getSonsOf('glpi_entities', $result['entities_id']);
            }

            $add_mirror = false;
            if (is_array($entities)
               && in_array($computer->fields['entities_id'], $entities)) {
               $add_mirror = true;
            } else if ($computer->fields['entities_id'] == $result['entities_id']) {
               $add_mirror = true;
            }
            if (!in_array($result['url'], $mirrors) && $add_mirror) {
               $mirrors[] = $result['url'];
            }
         }
      }

      //add default mirror (this server) if enabled in config
      $entities_id = 0;
      if (isset($agent['entities_id'])) {
         $entities_id = $agent['entities_id'];
      }

      //If option is set to yes in general plugin configuration
      //Add the server's url as the last url in the list
      if (isset($PF_CONFIG['server_as_mirror'])
         && $PF_CONFIG['server_as_mirror'] == true) {
         $mirrors[] = PluginFusioninventoryAgentmodule::getUrlForModule('DEPLOY', $entities_id)
            ."?action=getFilePart&file=";
      }
      return $mirrors;
   }


   /**
    * Display form
    *
    * @global array $CFG_GLPI
    * @param integer $id
    * @param array $options
    * @return true
    */
   function showForm($id, $options = []) {
      global $CFG_GLPI;

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

      echo "<tr class='tab_bg_1'>";
      echo "<td>".__('Name')."</td>";
      echo "<td align='center'>";
      Html::autocompletionTextField($this, 'name', ['size' => 40]);
      echo "</td>";

      echo "<td rowspan='3' class='middle right'>".__('Comments')."&nbsp;: </td>";
      echo "<td class='center middle' rowspan='2'><textarea cols='45'
      rows='4' name='comment' >".$this->fields["comment"]."</textarea></td></tr>";

      echo "<tr class='tab_bg_1'><td>".__('Active')."</td><td align='center'>";
      Dropdown::showYesNo("is_active", $this->fields["is_active"]);
      echo "</td></tr>";

      echo "<tr class='tab_bg_1'>";
      echo "<td>".__('Mirror server address', 'fusioninventory')."&nbsp;:</td>";
      echo "<td align='center'>";
      Html::autocompletionTextField($this, 'url', ['size' => 40]);
      echo "</td></tr>";

      echo "<tr class='tab_bg_1'>";
      echo "<td>".__('Mirror location', 'fusioninventory')." (".__('Location').")"."&nbsp;:</td>";
      echo "<td align='center'>";

      //If
      if ($this->can($id, UPDATE)) {
         echo "<script type='text/javascript'>\n";
         echo "document.getElementsByName('is_recursive')[0].id = 'is_recursive';\n";
         echo "</script>";
         $params = ['is_recursive' => '__VALUE__',
                    'id'           => $id
                   ];
         Ajax::updateItemOnEvent('is_recursive', "displaydropdownlocation",
                 Plugin::getWebDir('fusioninventory')."/ajax/dropdownlocation.php", $params);

         echo "<div id='displaydropdownlocation'>";
         // Location option
         Location::dropdown([ 'value'       => $this->fields["locations_id"],
                              'entity'      => $this->fields["entities_id"],
                              'entity_sons' => $this->isRecursive(),
                              'emptylabel'  => __('None')
                            ]);
         echo "</div>";

      } else {
         echo Dropdown::getDropdownName('glpi_locations', $this->fields['locations_id']);
      }
      echo "</td></tr>";

      $this->showFormButtons($options);

      return true;
   }


   /**
    * Get search function for the class
    *
    * @return array
    */
   function rawSearchOptions() {

      $tab = [];

      $tab[] = [
         'id'   => 'common',
         'name' => self::getTypeName(),
      ];

      $tab[] = [
         'id'            => '1',
         'table'         => $this->getTable(),
         'field'         => 'name',
         'name'          => __('Name'),
         'datatype'      => 'itemlink',
         'itemlink_type' => $this->getType(),
         'autocomplete'  => true,
      ];

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

      $tab[] = [
         'id'           => '2',
         'table'        => $this->getTable(),
         'field'        => 'url',
         'name'         => __('Mirror server address', 'fusioninventory'),
         'datatype'     => 'string',
         'autocomplete' => true,
      ];

      $tab[] = [
         'id'        => '6',
         'table'     => $this->getTable(),
         'field'     => 'is_active',
         'name'      => __('Active'),
         'datatype'  => 'bool',
      ];

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

      $tab[] = [
         'id'       => '80',
         'table'    => 'glpi_entities',
         'field'    => 'completename',
         'name'     => Entity::getTypeName(1),
         'datatype' => 'dropdown',
      ];

      $tab[] = [
         'id'        => '86',
         'table'     => $this->getTable(),
         'field'     => 'is_recursive',
         'name'      => __('Child entities'),
         'datatype'  => 'bool',
      ];

      $name = _n('Volume', 'Volumes', Session::getPluralNumber());
      $tab[] = [
          'id'                 => 'disk',
          'name'               => $name
      ];

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

      return $tab;
   }


   /**
    * Get the massive actions for this object
    *
    * @param object|null $checkitem
    * @return array list of actions
    */
   function getSpecificMassiveActions($checkitem = null) {
      return [__CLASS__.MassiveAction::CLASS_ACTION_SEPARATOR.'transfer'
               => __('Transfer')];
   }


   /**
    * Display form related to the massive action selected
    *
    * @param object $ma MassiveAction instance
    * @return boolean
    */
   static function showMassiveActionsSubForm(MassiveAction $ma) {
      if ($ma->getAction() == 'transfer') {
         Dropdown::show('Entity');
         echo Html::submit(_x('button', 'Post'), ['name' => 'massiveaction']);
         return true;
      }
      return false;
   }


   /**
    * Execution code for massive action
    *
    * @param object $ma MassiveAction instance
    * @param object $item item on which execute the code
    * @param array $ids list of ID on which execute the code
    */
   static function processMassiveActionsForOneItemtype(MassiveAction $ma, CommonDBTM $item,
                                                       array $ids) {

      $pfDeployMirror = new self();
      switch ($ma->getAction()) {

         case "transfer" :
            foreach ($ids as $key) {
               if ($pfDeployMirror->getFromDB($key)) {
                  $input = [];
                  $input['id'] = $key;
                  $input['entities_id'] = $_POST['entities_id'];
                  if ($pfDeployMirror->update($input)) {
                     //set action massive ok for this item
                     $ma->itemDone($item->getType(), $key, MassiveAction::ACTION_OK);
                  } else {
                     // KO
                     $ma->itemDone($item->getType(), $key, MassiveAction::ACTION_KO);
                  }
               }
            }
            break;

      }
   }
}