<?php

namespace App\Models;

use App\Enums\OperationKind;
use App\Enums\OperationStatus;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\MorphTo;

class Operation extends Model
{
    use HasFactory;

    protected $guarded = [];

    public static function boot(): void
    {
        parent::boot();

        static::creating(function (self $operation) {
            $operation->hash ??= str()->random(16);
        });
    }

    protected function casts(): array
    {
        return [
            'kind' => OperationKind::class,
            'status' => OperationStatus::class,
            'started_at' => 'datetime',
            'finished_at' => 'datetime',
        ];
    }

    public function parent(): BelongsTo
    {
        return $this->belongsTo(Operation::class, 'parent_id');
    }

    public function children(): HasMany
    {
        return $this->hasMany(Operation::class, 'parent_id');
    }

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

    public function target(): MorphTo
    {
        return $this->morphTo('target');
    }
}