<?php

namespace App\Models;

use App\Enums\ActivityType;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\MorphTo;

/**
 * Ein Eintrag im Aktivitäts-Verlauf (Admin ▸ Reports ▸ Verlauf).
 * Wird ausschließlich über den ActivityLog-Service geschrieben.
 */
class ActivityEvent extends Model
{
    public $timestamps = false;

    protected $fillable = [
        'type',
        'occurred_at',
        'user_id',
        'actor_label',
        'subject_type',
        'subject_id',
        'description',
        'meta',
    ];

    protected function casts(): array
    {
        return [
            'type' => ActivityType::class,
            'occurred_at' => 'datetime',
            'meta' => 'array',
        ];
    }

    /**
     * @return BelongsTo<User, $this>
     */
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    /**
     * @return MorphTo<Model, $this>
     */
    public function subject(): MorphTo
    {
        return $this->morphTo();
    }
}