<?php

namespace Database\Factories;

use App\Models\ProductPriceModel;
use Illuminate\Database\Eloquent\Factories\Factory;

/**
 * 商品等级价格工厂（product_id / level_id 需调用方指定；无需 Faker）
 *
 * @extends Factory<ProductPriceModel>
 */
class ProductPriceModelFactory extends Factory
{
    protected $model = ProductPriceModel::class;

    private static int $sequence = 0;

    public function definition(): array
    {
        $seq = ++self::$sequence;

        return [
            'product_id' => 0,
            'level_id' => 0,
            'price' => number_format(random_int(100, 10000) / 100 + $seq * 0.01, 2, '.', ''),
        ];
    }
}