<?php

namespace App\Models;

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

class FlashSaleItem extends Model
{
    use HasFactory;

    protected $fillable = [
        'flash_sale_id',
        'barang_id',
        'harga_flash_sale',
        'persentase_diskon',
        'stok_flash_sale',
        'stok_terjual',
        'aktif',
    ];

    protected $casts = [
        'aktif' => 'boolean',
    ];

    /**
     * Relasi ke flash sale
     */
    public function flashSale()
    {
        return $this->belongsTo(FlashSale::class);
    }

    /**
     * Relasi ke barang
     */
    public function barang()
    {
        return $this->belongsTo(Barang::class);
    }

    /**
     * Cek apakah masih tersedia stok
     */
    public function getStokTersediaAttribute()
    {
        return $this->stok_flash_sale - $this->stok_terjual;
    }

    /**
     * Cek apakah item flash sale masih tersedia
     */
    public function getTersediaAttribute()
    {
        return $this->aktif && $this->getStokTersediaAttribute() > 0 && $this->flashSale && $this->flashSale->sedang_berlangsung;
    }
}