<?php
namespace Longyi\RewardPoints\Services;

use Webkul\Customer\Models\CustomerGroup;

trait LevelCalculationTrait
{
    /**
     * 根据成长值计算等级
     */
    protected function calculateLevel($growthValue)
    {
        $level = CustomerGroup::where('min_growth_value', '<=', $growthValue)
            ->orderBy('min_growth_value', 'desc')
            ->first();

        return $level && $level->growth_level_name
            ? $level->growth_level_name
            : 'V1';
    }

    /**
     * 根据等级名称获取对应的客户组ID
     */
    protected function getCustomerGroupIdByLevel($levelName)
    {
        // 根据等级名称查找
        $customerGroup = CustomerGroup::where('growth_level_name', $levelName)->first();

        if ($customerGroup) {
            return $customerGroup->id;
        }

        // 根据 code 查找
        $customerGroup = CustomerGroup::where('code', strtolower($levelName))->first();

        if ($customerGroup) {
            return $customerGroup->id;
        }

        // 返回默认组
        return optional(CustomerGroup::where('code', 'general')->first())->id;
    }

    /**
     * 获取配置值（带缓存）
     */
    protected function getSetting($code, $default = null)
    {
        $cacheKey = "growth_value_setting_{$code}";

        return cache()->remember($cacheKey, 3600, function () use ($code, $default) {
            $setting = \Longyi\RewardPoints\Models\RewardPointSetting::where('code', $code)->first();
            return $setting ? $setting->value : $default;
        });
    }
}