<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Station extends Model
{
    use HasFactory;

    protected $fillable = [
        'name',
        'description',
    ];

    protected static function boot()
    {
        parent::boot();

        static::deleting(function (Station $station) {
            $station->terminals()->update(['station_id' => null]);
        });
    }

    public function terminals(): HasMany
    {
        return $this->hasMany(Terminal::class);
    }

    public function knowledgeBases(): BelongsToMany
    {
        return $this->belongsToMany(KnowledgeBase::class);
    }

    public function users(): BelongsToMany
    {
        return $this->belongsToMany(User::class);
    }

    public function guides(): BelongsToMany
    {
        return $this->belongsToMany(Guide::class);
    }
}