<?php

namespace App\Models;

use App\Lottery\DrawResultBatchStatus;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

/** 开奖结果批次（含 RNG 种子摘要、审核人） {@see draw_result_batches} */
final class DrawResultBatch extends Model
{
    public $timestamps = true;

    protected $fillable = [
        'draw_id',
        'result_version',
        'source_type',
        'rng_seed_hash',
        'raw_seed_encrypted',
        'status',
        'created_by',
        'confirmed_by',
        'confirmed_at',
    ];

    protected function casts(): array
    {
        return [
            'result_version' => 'integer',
            'confirmed_at' => 'datetime',
        ];
    }

    public function draw(): BelongsTo
    {
        return $this->belongsTo(Draw::class);
    }

    public function items(): HasMany
    {
        return $this->hasMany(DrawResultItem::class, 'result_batch_id');
    }

    public function statusEnum(): ?DrawResultBatchStatus
    {
        return DrawResultBatchStatus::tryFrom((string) $this->status);
    }
}
