<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class SharedFile extends Model
{
    /**
    * The table associated with the model.
    *
    * @var string
    */

    public function saveWithoutEvents(array $options=[])
    {
        return static::withoutEvents(function() use ($options) {
            return $this->save($options);
        });
    }

    protected $table = 'shared_files';
    protected $fillable = [
        'file_type', 'file_id', 'parent_id', 'user_id', 'department_id', 'permission', 'shared_by', 'path_to_root',
    ];

    public function sharedby()
    {
        return $this->belongsTo(User::class, 'shared_by', 'id');
    }

    public function user()
    {
        return $this->belongsTo(User::class, 'user_id', 'id');
    }

    public function department()
    {
        return $this->belongsTo(Department::class, 'department_id', 'id');
    }

    public function getSharedName()
    {
        if($this->user_id)
            return $this->user->getFullName();
        else if($this->department_id)
            return dataTranslation($this->department->name);

        return '';
    }

    public function file()
    {
        return $this->belongsTo(MyFile::class, 'file_id', 'id');
    }

    public function getSharedFileName()
    {
        if($this->file_type == 1)
            return $this->file->name_org;
        else
            return $this->file->name;
    }

    public function getPermissionAttribute($attribute)
    {
        $v = $this->getPermissionOptions()[$attribute];

        return $v;
    }

    public static function validShare($file_id, $id, $usertype, $permission)
    {
        $auth_user = auth()->user()->id ?? 3;
        $dept_user = auth()->user()->department_id ?? 2;
        $file = MyFile::find($file_id);
        if(($file->user_id != $auth_user) || ($file->is_temp == 1))
            return false;

        $path_array = preg_split('/;/', $file->path_to_root, -1, PREG_SPLIT_NO_EMPTY);
        $path_array = array_merge($path_array, [$file->id]);

        if($usertype == 'department')
        {
            $departments = SharedFile::where('department_id', $id)->whereIn('file_id', $path_array)->where('permission', '>=', $permission)->get();
            if(count($departments) == 0)
                return true;
        }
        else if($usertype == 'user')
        {
            $users = SharedFile::whereIn('file_id', $path_array)
                    ->where('permission', '>=', $permission)
                    ->where(function($q) use($id, $dept_user){
                        $q->orWhere('user_id', $id)
                            ->orWhere('department_id', $dept_user);
                    })->get();

            if(count($users) == 0)
                return true;
        }

        
        return false;
    }

    public static function deleteRelatedShares(MyFile $f)
    {
        SharedFile::where('path_to_root', 'LIKE', '%;'.$f->id.';%')->delete();
        SharedFile::where('file_id', $f->id)->delete();
    }

    public function getPermissionOptions()
    {
        return [
            1 => 'Read',
            2 => 'Write',
            // 3 => 'Read And Write',
        ];
    }
}