<?php
/**
 * ---------------------------------------------------------------------
 * GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2015-2018 Teclib' and contributors.
 *
 * http://glpi-project.org
 *
 * based on GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2003-2014 by the INDEPNET Development Team.
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * GLPI 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 2 of the License, or
 * (at your option) any later version.
 *
 * GLPI 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 GLPI. If not, see <http://www.gnu.org/licenses/>.
 * ---------------------------------------------------------------------
 */

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

/**
 *  Report class
 *
 * @ since version 0.84
**/
class Report extends CommonGLPI{

   static protected $notable = false;
   static $rightname         = 'reports';



   /**
    * @since 0.85.3
   **/
   static function canView() {
      return Session::haveRight(self::$rightname, READ);
   }


   static function getTypeName($nb = 0) {
      return _n('Report', 'Reports', $nb);
   }


   /**
    * @see CommonGLPI::getMenuShorcut()
    *
    *  @since 0.85
   **/
   static function getMenuShorcut() {
      return 'e';
   }


   /**
    * Show report title
   **/
   static function title() {
      global $PLUGIN_HOOKS, $CFG_GLPI;

      // Report generation
      // Default Report included
      $report_list["default"]["name"] = __('Default report');
      $report_list["default"]["file"] = "report.default.php";

      if (Contract::canView()) {
         // Rapport ajoute par GLPI V0.2
         $report_list["Contrats"]["name"] = __('By contract');
         $report_list["Contrats"]["file"] = "report.contract.php";
      }
      if (Infocom::canView()) {
         $report_list["Par_annee"]["name"] = __('By year');
         $report_list["Par_annee"]["file"] = "report.year.php";
         $report_list["Infocoms"]["name"]  = __('Hardware financial and administrative information');
         $report_list["Infocoms"]["file"]  = "report.infocom.php";
         $report_list["Infocoms2"]["name"] = __('Other financial and administrative information (licenses, cartridges, consumables)');
         $report_list["Infocoms2"]["file"] = "report.infocom.conso.php";
      }
      if (Session::haveRight("networking", READ)) {
         $report_list["Rapport prises reseau"]["name"] = __('Network report');
         $report_list["Rapport prises reseau"]["file"] = "report.networking.php";
      }
      if (Session::haveRight("reservation", READ)) {
         $report_list["reservation"]["name"] = __('Loan');
         $report_list["reservation"]["file"] = "report.reservation.php";
      }
      if (Computer::canView()
          || Monitor::canView()
          || Session::haveRight("networking", READ)
          || Peripheral::canView()
          || Printer::canView()
          || Phone::canView()) {
         $report_list["state"]["name"] = _n('Status', 'Statuses', Session::getPluralNumber());
         $report_list["state"]["file"] = "report.state.php";
      }
      //Affichage du tableau de presentation des stats
      echo "<table class='tab_cadre_fixe'>";
      echo "<tr><th colspan='2'>".__('Select the report you want to generate')."</th></tr>";
      echo "<tr class='tab_bg_1'><td class='center'>";

      $count    = count($report_list);
      $selected = -1;
      $values   = [$CFG_GLPI["root_doc"].'/front/report.php' => Dropdown::EMPTY_VALUE];

      foreach ($report_list as $val => $data) {
         $name          = $data['name'];
         $file          = $data['file'];
         $key           = $CFG_GLPI["root_doc"]."/front/".$file;
         $values[$key]  = $name;
         if (stripos($_SERVER['REQUEST_URI'], $key) !== false) {
            $selected = $key;
         }
      }

      $names    = [];
      $optgroup = [];
      if (isset($PLUGIN_HOOKS["reports"]) && is_array($PLUGIN_HOOKS["reports"])) {
         foreach ($PLUGIN_HOOKS["reports"] as $plug => $pages) {
            if (!Plugin::isPluginLoaded($plug)) {
               continue;
            }
            if (is_array($pages) && count($pages)) {
               foreach ($pages as $page => $name) {
                  $names[$plug.'/'.$page] = ["name" => $name,
                                                  "plug" => $plug];
                  $optgroup[$plug] = Plugin::getInfo($plug, 'name');
               }
            }
         }
         asort($names);
      }

      foreach ($optgroup as $opt => $title) {
         $group = $title;
         foreach ($names as $key => $val) {
            if ($opt == $val["plug"]) {
               $file                  = $CFG_GLPI["root_doc"]."/plugins/".$key;
               $values[$group][$file] = $val["name"];
               if (stripos($_SERVER['REQUEST_URI'], $file) !== false) {
                  $selected = $file;
               }
            }
         }
      }

      Dropdown::showFromArray('statmenu', $values,
                              ['on_change' => "window.location.href=this.options[this.selectedIndex].value",
                                    'value'     => $selected]);
      echo "</td>";
      echo "</tr>";
      echo "</table>";
   }


   /**
    * Show Default Report
    *
    * @since 0.84
   **/
   static function showDefaultReport() {
      global $DB;

      // Title
      echo "<span class='big b'>GLPI ".Report::getTypeName(Session::getPluralNumber())."</span><br><br>";

      // 1. Get counts of itemtype
      $items     = ['Computer', 'Monitor', 'NetworkEquipment', 'Peripheral', 'Phone',
                         'Printer', 'Software'];

      $linkitems = ['Monitor', 'Peripheral', 'Phone', 'Printer'];

      echo "<table class='tab_cadrehov'>";

      foreach ($items as $itemtype) {
         $table_item = getTableForItemType($itemtype);
         $criteria = [
            'COUNT'  => 'cpt',
            'FROM'   => $table_item,
            'WHERE'  => [
               "$table_item.is_deleted"   => 0,
               "$table_item.is_template"  => 0
            ] + getEntitiesRestrictCriteria($table_item)
         ];

         if (in_array($itemtype, $linkitems)) {
            $criteria['LEFT JOIN'] = [
               'glpi_computers_items' => [
                  'ON' => [
                     'glpi_computers_items'  => 'items_id',
                     $table_item             => 'id', [
                        'AND' => [
                           'glpi_computers_items.itemtype' => $itemtype
                        ]
                     ]
                  ]
               ]
            ];
         }

         $result = $DB->request($criteria)->next();
         $number = (int)$result['cpt'];

         echo "<tr class='tab_bg_2'><td>".$itemtype::getTypeName(Session::getPluralNumber())."</td>";
         echo "<td class='numeric'>$number</td></tr>";
      }

      echo "<tr class='tab_bg_1'><td colspan='2' class='b'>".__('Operating system')."</td></tr>";

      // 2. Get some more number data (operating systems per computer)
      $iterator = $DB->request([
         'SELECT'    => [
            'COUNT' => '* AS count',
            'glpi_operatingsystems.name AS name'
         ],
         'FROM'      => 'glpi_items_operatingsystems',
         'LEFT JOIN' => [
            'glpi_operatingsystems' => [
               'ON' => [
                  'glpi_items_operatingsystems' => 'operatingsystems_id',
                  'glpi_operatingsystems'       => 'id'
               ]
            ]
         ],
         'WHERE'     => ['is_deleted' => 0],
         'GROUPBY'   => 'glpi_operatingsystems.name'
      ]);

      while ($data = $iterator->next()) {
         if (empty($data['name'])) {
            $data['name'] = Dropdown::EMPTY_VALUE;
         }
         echo "<tr class='tab_bg_2'><td>".$data['name']."</td>";
         echo "<td class='numeric'>".$data['count']."</td></tr>";
      }

      // Get counts of types

      $val   = array_flip($items);
      unset($val["Software"]);
      $items = array_flip($val);

      foreach ($items as $itemtype) {
         echo "<tr class='tab_bg_1'><td colspan='2' class='b'>".$itemtype::getTypeName(Session::getPluralNumber()).
              "</td></tr>";

         $table_item = getTableForItemType($itemtype);
         $typeclass  = $itemtype."Type";
         $type_table = getTableForItemType($typeclass);
         $typefield  = getForeignKeyFieldForTable(getTableForItemType($typeclass));

         $criteria = [
            'SELECT'    => [
               'COUNT'  => '* AS count',
               "$type_table.name AS name"
            ],
            'FROM'      => $table_item,
            'LEFT JOIN' => [
               $type_table => [
                  'ON' => [
                     $table_item => $typefield,
                     $type_table => 'id'
                  ]
               ]
            ],
            'WHERE'     => [
               "$table_item.is_deleted"   => 0,
               "$table_item.is_template"  => 0
            ] + getEntitiesRestrictCriteria($table_item),
            'GROUPBY'   => "$type_table.name"
         ];

         if (in_array($itemtype, $linkitems)) {
            $criteria['LEFT JOIN']['glpi_computers_items'] = [
               'ON' => [
                  'glpi_computers_items'  => 'items_id',
                  $table_item             => 'id', [
                     'AND' => [
                        'glpi_computers_items.itemtype'  => $itemtype
                     ]
                  ]
               ]
            ];
         }

         $iterator = $DB->request($criteria);
         while ($data = $iterator->next()) {
            if (empty($data['name'])) {
               $data['name'] = Dropdown:: EMPTY_VALUE;
            }
            echo "<tr class='tab_bg_2'><td>".$data['name']."</td>";
            echo "<td class='numeric'>".$data['count']."</td></tr>";
         }
      }
      echo "</table>";
   }


   /**
    * @since 0.84
    *
    * @param $networkport_prefix
    * @param $networkport_crit
    * @param $where_crit
    * @param $order                 (default '')
    * @param $field                 (default '')
    * @param $extra                 (default '')
   **/
   static function reportForNetworkInformations($networkport_prefix, $networkport_crit,
                                                $where_crit, $order = '', $field = '', $extra = '') {
      global $DB;

      // This SQL request matches the NetworkPort, then its NetworkName and IPAddreses. It also
      //      match opposite NetworkPort, then its NetworkName and IPAddresses.
      // Results are groupes by NetworkPort. Then all IPs are concatenated by comma as separator.
      $query = "SELECT $field
                       PORT_1.`itemtype` AS itemtype_1,
                       PORT_1.`items_id` AS items_id_1,
                       PORT_1.`id` AS id_1,
                       PORT_1.`name` AS port_1,
                       PORT_1.`mac` AS mac_1,
                       PORT_1.`logical_number` AS logical_1,
                       GROUP_CONCAT(ADDR_1.`name` SEPARATOR ',') AS ip_1,
                       PORT_2.`itemtype` AS itemtype_2,
                       PORT_2.`items_id` AS items_id_2,
                       PORT_2.`id` AS id_2,
                       PORT_2.`name` AS port_2,
                       PORT_2.`mac` AS mac_2,
                       GROUP_CONCAT(ADDR_2.`name` SEPARATOR ',') AS ip_2
                FROM $networkport_prefix
                INNER JOIN `glpi_networkports` AS PORT_1
                    ON ($networkport_crit
                        AND PORT_1.`is_deleted` = 0)
                LEFT JOIN `glpi_networknames` AS NAME_1
                    ON (NAME_1.`itemtype` = 'NetworkPort'
                        AND PORT_1.`id` = NAME_1.`items_id`
                        AND NAME_1.`is_deleted` = 0)
                LEFT JOIN `glpi_ipaddresses` AS ADDR_1
                    ON (ADDR_1.`itemtype` = 'NetworkName'
                        AND NAME_1.`id` = ADDR_1.`items_id`
                        AND ADDR_1.`is_deleted` = 0)
                LEFT JOIN `glpi_networkports_networkports` AS LINK
                    ON (LINK.`networkports_id_1` = PORT_1.`id`
                        OR LINK.`networkports_id_2` = PORT_1.`id`)
                LEFT JOIN `glpi_networkports` AS PORT_2
                    ON (PORT_2.`id` = IF(LINK.`networkports_id_1` = PORT_1.`id`,
                                         LINK.`networkports_id_2`,
                                         LINK.`networkports_id_1`))
                LEFT JOIN `glpi_networknames` AS NAME_2
                    ON (NAME_2.`itemtype` = 'NetworkPort'
                        AND PORT_2.`id` = NAME_2.`items_id`
                        AND NAME_2.`is_deleted` = 0)
                LEFT JOIN `glpi_ipaddresses` AS ADDR_2
                    ON (ADDR_2.`itemtype` = 'NetworkName'
                        AND NAME_2.`id` = ADDR_2.`items_id`
                        AND ADDR_2.`is_deleted` = 0)
                WHERE $where_crit
                GROUP BY PORT_1.`id`";

      if (!empty($order)) {
         $query .= "ORDER BY $order";
      }

      $result = $DB->request($query);
      if ($result->numrows() > 0) {
         echo "<table class='tab_cadre_fixehov'>";
         echo "<tr>";
         if (!empty($extra)) {
            echo "<td>&nbsp;</td>";
         }
         echo "<th colspan='5'>".__('Device 1')."</th>";
         echo "<th colspan='5'>".__('Device 2')."</th>";
         echo "</tr>\n";

         echo "<tr>";
         if (!empty($extra)) {
            echo "<th>$extra</th>";
         }
         echo "<th>".__('Device type')."</th>";
         echo "<th>".__('Device name')."</th>";
         echo "<th>".__('Port Number')."</th>";
         echo "<th>".NetworkPort::getTypeName(1)."</th>";
         echo "<th>".__('MAC address')."</th>";
         echo "<th>".IPAddress::getTypeName(0)."</th>";
         echo "<th>".NetworkPort::getTypeName(1)."</th>";
         echo "<th>".__('MAC address')."</th>";
         echo "<th>".IPAddress::getTypeName(0)."</th>";
         echo "<th>".__('Device type')."</th>";
         echo "<th>".__('Device name')."</th>";
         echo "</tr>\n";

         foreach ($result as $line) {
            echo "<tr class='tab_bg_1'>";

            // To ensure that the NetworkEquipment remain the first item, we test its type
            if ($line['itemtype_2'] == 'NetworkEquipment') {
               $idx = 2;
            } else {
               $idx = 1;
            }

            if (!empty($extra)) {
               echo "<td>".(empty($line['extra']) ? NOT_AVAILABLE : $line['extra'])."</td>";
            }

            $itemtype = $line["itemtype_$idx"];
            if (!empty($itemtype)) {
               echo "<td>".$itemtype::getTypeName(1)."</td>";
               $item_name = '';
               if ($item = getItemForItemtype($itemtype)) {
                  if ($item->getFromDB($line["items_id_$idx"])) {
                     $item_name = $item->getName();
                  }
               }
               echo "<td>".(empty($item_name) ? NOT_AVAILABLE : $item_name)."</td>";
            } else {
               echo "<td> ".NOT_AVAILABLE." </td>";
               echo "<td> ".NOT_AVAILABLE." </td>";
            }
            echo "<td>".(empty($line["logical_$idx"]) ? NOT_AVAILABLE : $line["logical_$idx"])."</td>";
            echo "<td>".(empty($line["port_$idx"]) ? NOT_AVAILABLE : $line["port_$idx"])."</td>";
            echo "<td>".(empty($line["mac_$idx"]) ? NOT_AVAILABLE : $line["mac_$idx"])."</td>";
            echo "<td>".(empty($line["ip_$idx"]) ? NOT_AVAILABLE : $line["ip_$idx"])."</td>";

            if ($idx == 1) {
               $idx = 2;
            } else {
               $idx = 1;
            }

            echo "<td>".(empty($line["port_$idx"]) ? NOT_AVAILABLE : $line["port_$idx"])."</td>";
            echo "<td>".(empty($line["mac_$idx"]) ? NOT_AVAILABLE : $line["mac_$idx"])."</td>";
            echo "<td>".(empty($line["ip_$idx"]) ? NOT_AVAILABLE : $line["ip_$idx"])."</td>";
            $itemtype = $line["itemtype_$idx"];
            if (!empty($itemtype)) {
               echo "<td>".$itemtype::getTypeName(1)."</td>";
               $item_name = '';
               if ($item = getItemForItemtype($itemtype)) {
                  if ($item->getFromDB($line["items_id_$idx"])) {
                     $item_name = $item->getName();
                  }
               }
               echo "<td>".(empty($item_name) ? NOT_AVAILABLE : $item_name)."</td>";
            } else {
               echo "<td> ".NOT_AVAILABLE." </td>";
               echo "<td> ".NOT_AVAILABLE." </td>";
            }

            echo "</tr>\n";
         }
         echo "</table><br><hr><br>";
      }
   }


   /**
    * @since 0.85
    *
    * @see commonDBTM::getRights()
   **/
   function getRights($interface = 'central') {

      $values = [ READ => __('Read')];
      return $values;
   }

}