<?php

namespace addons\shopro_huifu\library;

class SdkLoader
{
    protected static $loaded = false;

    public static function boot()
    {
        if (self::$loaded) {
            return self::getSdkRoot();
        }

        if (defined('HUIFU_DEBUG_BLOCKED')) {
            throw new \RuntimeException('汇付 SDK 拒绝启动：DEBUG 已启用');
        }
        if (!defined('DEBUG')) {
            define('DEBUG', false);
        } elseif (DEBUG !== false) {
            throw new \RuntimeException('汇付 SDK 拒绝启动：DEBUG 必须为 false');
        }

        $config = HuifuConfig::getInstance();
        // 必须在 init.php 之前定义，否则 SDK 默认 PROD_MODE=true 永远走生产网关
        if (!defined('PROD_MODE')) {
            define('PROD_MODE', $config->get('env', 'prod') !== 'test');
        }

        $root = self::getSdkRoot();
        require_once $root . '/init.php';

        $config->validateKeys();
        \BsPaySdk\core\BsPay::init([
            'sys_id'                 => $config->get('sys_id'),
            'product_id'             => $config->get('product_id'),
            'rsa_merch_private_key'  => $config->getPrivateKey(),
            'rsa_huifu_public_key'   => $config->getPublicKey(),
            'skill_source'           => $config->get('skill_source', 'hfps/1.3.5'),
        ], true);

        self::$loaded = true;
        return $root;
    }

    public static function getSdkRoot()
    {
        $paths = [
            ROOT_PATH . 'vendor/huifurepo/dg-php-sdk/BsPaySdk',
            ADDON_PATH . 'shopro_huifu/library/sdk/BsPaySdk',
            ADDON_PATH . 'shopro_huifu/library/sdk/extracted/huifurepo-bspay-php-sdk-45b895b/BsPaySdk',
        ];
        foreach ($paths as $path) {
            if (is_file($path . '/init.php')) {
                return rtrim($path, '/\\');
            }
        }
        throw new \RuntimeException('未找到汇付 dg-php-sdk，请安装 huifurepo/dg-php-sdk ^2.0.30');
    }

    public static function requireRequest($relativePath)
    {
        $root = self::boot();
        $file = $root . '/request/' . ltrim(str_replace('\\', '/', $relativePath), '/');
        if (!is_file($file)) {
            $file = dirname($root) . '/request/' . ltrim(str_replace('\\', '/', $relativePath), '/');
        }
        if (!is_file($file)) {
            throw new \RuntimeException('SDK request 文件不存在: ' . $relativePath);
        }
        require_once $file;
    }
}