<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class PointTransaction extends Model
{
    use HasFactory;

    public $timestamps = false;

    protected $fillable = [
        'member_id',
        'type',
        'points',
        'balance_after',
        'description',
        'expires_at',
        'reference_type',
        'reference_id',
    ];

    protected $casts = [
        'points' => 'integer',
        'balance_after' => 'integer',
        'expires_at' => 'datetime',
        'created_at' => 'datetime',
    ];

    /**
     * 所屬會員
     */
    public function member(): BelongsTo
    {
        return $this->belongsTo(Member::class);
    }

    /**
     * 是否已過期
     */
    public function getIsExpiredAttribute(): bool
    {
        return $this->expires_at && $this->expires_at->isPast();
    }
}