<?php

namespace Luticate\Auth\DataAccess;

use Luticate\Utils\LuDataAccess;
use Luticate\Auth\DataAccess\Models\LuticateGroups;
use Luticate\Auth\DBO\LuticateGroupsDbo;
use Luticate\Utils\LuMultipleDbo;

class LuticateGroupsDataAccess extends LuDataAccess {
    protected static function getModel()
    {
        return new LuticateGroups();
    }

    protected static function getOrderBy()
    {
        return array(array("name", "ASC"));
    }

    /**
     * @param $group_name
     * @return LuticateGroupsDbo|null
     */
    public static function getByName($group_name)
    {
        $group = LuticateGroups::where("name", "=", $group_name)->first();
        if (is_null($group))
            return null;
        return $group->toDbo();
    }
    public static function getUsers($group_id, $page = 0, $perPage = PHP_INT_MAX)
    {
        $model = LuticateGroups::where("luticate_groups.group_id", "=", $group_id)
            ->join("luticate_users", "luticate_users.id", "=", "luticate_groups.user_id");

        $count = $model->count();

        $model = $model->orderBy("luticate_users.username", "ASC");
        $data = $model->take($perPage)->offset($page * $perPage)->get();
        $dbo = self::arrayToDbo($data);
        return new LuMultipleDbo($count, $dbo);
    }

    public static function addUser($user_id, $group_id)
    {
        LuticateGroups::find($group_id)->users()->attach($user_id);
        return true;
    }

    public static function delUser($user_id, $group_id)
    {
        LuticateGroups::find($group_id)->users()->detach($user_id);
        return true;
    }

    public static function hasUser($user_id, $group_id)
    {
        return !is_null(LuticateGroups::find($group_id)->users()->find($user_id));
    }
}