<?php

namespace App\Models;

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

class MemberGift extends Model
{
    use HasFactory;

    public $timestamps = false;

    protected $fillable = [
        'member_id',
        'gift_definition_id',
        'status',
        'claimed_at',
        'expires_at',
    ];

    protected $casts = [
        'claimed_at' => 'datetime',
        'expires_at' => 'datetime',
        'created_at' => 'datetime',
    ];

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

    /**
     * 禮品定義
     */
    public function giftDefinition(): BelongsTo
    {
        return $this->belongsTo(GiftDefinition::class);
    }

    /**
     * 待領取的禮品
     */
    public function scopePending($query)
    {
        return $query->where('status', 'pending')
            ->where(function ($q) {
                $q->whereNull('expires_at')
                    ->orWhere('expires_at', '>', now());
            });
    }
}