<?php

declare(strict_types=1);

namespace GlpiPlugin\Urbackup;

use CommonGLPI;
use Glpi\Application\View\TemplateRenderer;
use Session;

class Profile extends \Profile
{
    public static $rightname = 'plugin_urbackup';

    public static function getIcon()
    {
        return 'ti ti-server';
    }

    public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
    {
        if ($item instanceof \Profile && $item->getField('interface') === 'central') {
            return self::createTabEntry(Server::getTypeName(2));
        }
        return '';
    }

    public static function displayTabContentForItem(
        CommonGLPI $item,
        $tabnum = 1,
        $withtemplate = 0
    ) {
        if (!$item instanceof \Profile) {
            return false;
        }

        $profile = new \Profile();
        $profile->getFromDB($item->getID());

        $rights = self::getAllRights();

        $twig = TemplateRenderer::getInstance();
        $twig->display('@urbackup/profile.html.twig', [
            'id'      => $item->getID(),
            'profile' => $profile,
            'title'   => self::getTypeName(Session::getPluralNumber()),
            'rights'  => $rights,
        ]);

        return true;
    }

    public static function getTypeName($nb = 0): string
    {
        return _n('UrBackup', 'UrBackup', $nb, 'urbackup');
    }

    public static function getAllRights(): array
    {
        return [
            [
                'itemtype'  => Server::class,
                'label'     => __('UrBackup Servers', 'urbackup'),
                'field'     => 'plugin_urbackup',
            ],
        ];
    }

    public static function installRights(): void
    {
        self::registerRights();

        $profiles_id = (int) ($_SESSION['glpiactiveprofile']['id'] ?? 0);

        if ($profiles_id > 0) {
            self::setProfileRights($profiles_id, READ | UPDATE | CREATE | DELETE);
        }

        global $DB;
        $all_profiles = $DB->request([
            'SELECT' => 'id',
            'FROM'   => 'glpi_profiles',
        ]);

        foreach ($all_profiles as $profile) {
            if ($profile['id'] !== $profiles_id) {
                $existing = $DB->request([
                    'FROM'  => 'glpi_profilerights',
                    'WHERE' => [
                        'profiles_id' => $profile['id'],
                        'name'        => self::$rightname,
                    ],
                    'LIMIT' => 1,
                ]);

                if (count($existing) === 0) {
                    $DB->insert('glpi_profilerights', [
                        'profiles_id' => $profile['id'],
                        'name'        => self::$rightname,
                        'rights'      => READ,
                    ]);
                }
            }
        }
    }

    public static function uninstallRights(): void
    {
        global $DB;

        $DB->delete('glpi_profilerights', [
            'name' => self::$rightname,
        ]);

        \ProfileRight::deleteProfileRights([self::$rightname]);
    }

    public static function registerRights(): void
    {
        global $DB;

        $iterator = $DB->request([
            'FROM'  => 'glpi_profilerights',
            'WHERE' => ['name' => self::$rightname],
            'LIMIT' => 1,
        ]);

        if (count($iterator) > 0) {
            return;
        }

        \ProfileRight::addProfileRights([self::$rightname]);
    }

    public static function setProfileRights(int $profiles_id, int $rights): void
    {
        global $DB;

        if ($profiles_id <= 0) {
            return;
        }

        $iterator = $DB->request([
            'FROM'  => 'glpi_profilerights',
            'WHERE' => [
                'profiles_id' => $profiles_id,
                'name'       => self::$rightname,
            ],
            'LIMIT' => 1,
        ]);

        if (count($iterator) > 0) {
            $row = $iterator->current();
            $DB->update(
                'glpi_profilerights',
                ['rights' => $rights],
                ['id' => (int) $row['id']]
            );
            return;
        }

        $DB->insert('glpi_profilerights', [
            'profiles_id' => $profiles_id,
            'name'        => self::$rightname,
            'rights'      => $rights,
        ]);
    }

    public static function getProfileRights(int $profiles_id): int
    {
        global $DB;

        if ($profiles_id <= 0) {
            return 0;
        }

        $iterator = $DB->request([
            'FROM'  => 'glpi_profilerights',
            'WHERE' => [
                'profiles_id' => $profiles_id,
                'name'       => self::$rightname,
            ],
            'LIMIT' => 1,
        ]);

        if (count($iterator) === 0) {
            return 0;
        }

        $row = $iterator->current();

        return (int) ($row['rights'] ?? 0);
    }

    public static function canCurrentUser(int $right): bool
    {
        $profiles_id = (int) ($_SESSION['glpiactiveprofile']['id'] ?? 0);

        if ($profiles_id === 0) {
            $user_id = (int) ($_SESSION['glpiID'] ?? 0);
            if ($user_id > 0) {
                global $DB;
                $iterator = $DB->request([
                    'SELECT' => 'profiles_id',
                    'FROM'   => 'glpi_profiles_users',
                    'WHERE'  => [
                        'users_id'    => $user_id,
                        'is_dynamic'  => 0,
                    ],
                    'LIMIT'  => 1,
                ]);
                if (count($iterator) > 0) {
                    $row = $iterator->current();
                    $profiles_id = (int) $row['profiles_id'];
                }
            }
        }

        if ($profiles_id > 0) {
            $rights = self::getProfileRights($profiles_id);
            if (($rights & $right) === $right) {
                return true;
            }
        }

        return (bool) Session::haveRight(self::$rightname, $right);
    }

    public static function initProfile($profile = null): void
    {
        $profile_id = 0;
        
        if ($profile instanceof \Profile) {
            $profile_id = $profile->getID();
        } elseif (is_array($profile) && isset($profile['id'])) {
            $profile_id = (int) $profile['id'];
        }
        
        if ($profile_id > 0) {
            $current_rights = self::getProfileRights($profile_id);
            if ($current_rights === 0) {
                self::setProfileRights($profile_id, READ);
            }
        }
    }
}