<?php

namespace App\Service;

use Hyperf\Context\ApplicationContext;
use Psr\SimpleCache\CacheInterface;
use App\Model\SystemConfig as scModel;

class ConfigCacheService
{
    protected CacheInterface $cache;
    protected string $prefix = 'config:';

    public function __construct()
    {
        $this->cache = ApplicationContext::getContainer()->get(CacheInterface::class);
    }

    public function loadAll(): void
    {
        // 加载所有配置项
        $configs = scModel::pluck("config_value", "config_key")->toArray();
        if (!empty($configs)) {
            $configs = array_combine(
                array_map(fn($k) => $this->prefix . "$k", array_keys($configs)),
                $configs
            );
            $this->cache->setMultiple($configs);
        }
    }

    public function clearAll(): void
    {
        // 加载所有配置项
        $configs = scModel::pluck("config_key")->toArray();
        if (!empty($configs)) {
            $keys = array_map(fn($k) => $this->prefix . "$k", $configs);
            $this->cache->deleteMultiple($keys);
        }
    }

    public function setItem(string $key, string|null $value): bool
    {
        return $this->cache->set($this->prefix . $key, $value);
    }

    public function getItem(string $key): mixed
    {
        return $this->cache->get($this->prefix . $key);
    }

    public function removeItem(string $key): bool
    {
        return $this->cache->delete($this->prefix . $key);
    }

    public function multipleRemoveItem(array $keys): bool
    {
        if (count($keys) === 0) return true;
        $keys = array_map(fn($k) => $this->prefix . "$k", $keys);
        return $this->cache->deleteMultiple($keys);
    }
}