<?php
/**
 * 华为支付客户端测试类
 */

namespace addon\huaweipay\tests;

use addon\huaweipay\data\sdk\HuaweiPayClient;
use think\facade\Log;

class HuaweiPayClientTest
{
    /**
     * 测试配置
     * @var array
     */
    protected $testConfig = [
        'app_id' => 'test_app_id',
        'merc_no' => 'test_merc_no',
        'private_key' => 'tests/mock/cert/merchant_private_key.pem',
        'huawei_public_key' => 'tests/mock/cert/huawei_public_key.pem',
        'sandbox' => true
    ];

    /**
     * 运行所有测试
     */
    public function runTests()
    {
        echo "开始测试华为支付客户端...\n";
        
        try {
            $this->testConstructSuccess();
            $this->testConstructMissingConfig();
            $this->testGenerateSign();
            $this->testH5Pay();
            $this->testOrderQuery();
            $this->testRefund();
            $this->testVerifySign();
            
            echo "\n✅ 所有测试通过！\n";
            return true;
        } catch (\Exception $e) {
            echo "\n❌ 测试失败：" . $e->getMessage() . "\n";
            echo "错误位置：" . $e->getFile() . " 第" . $e->getLine() . "行\n";
            return false;
        }
    }

    /**
     * 测试构造函数 - 成功场景
     */
    public function testConstructSuccess()
    {
        echo "测试构造函数成功场景...";
        
        // 模拟证书文件
        $this->createMockCertFiles();
        
        try {
            $client = new HuaweiPayClient($this->testConfig);
            echo " ✅ 通过\n";
        } catch (\Exception $e) {
            throw new \Exception("构造函数测试失败: " . $e->getMessage());
        }
    }

    /**
     * 测试构造函数 - 缺少必要配置
     */
    public function testConstructMissingConfig()
    {
        echo "测试构造函数缺少配置...";
        
        // 测试缺少app_id
        try {
            $config = $this->testConfig;
            unset($config['app_id']);
            new HuaweiPayClient($config);
            throw new \Exception("应该抛出缺少app_id的异常");
        } catch (\Exception $e) {
            if (strpos($e->getMessage(), '缺少必要配置：app_id') === false) {
                throw new \Exception("异常信息不正确: " . $e->getMessage());
            }
        }
        
        echo " ✅ 通过\n";
    }

    /**
     * 测试生成签名
     */
    public function testGenerateSign()
    {
        echo "测试生成签名...";
        
        $this->createMockCertFiles();
        $client = new HuaweiPayClient($this->testConfig);
        
        // 使用反射调用私有方法
        $reflection = new \ReflectionClass($client);
        $method = $reflection->getMethod('generateSign');
        $method->setAccessible(true);
        
        $params = [
            'app_id' => 'test_app_id',
            'merc_no' => 'test_merc_no',
            'order_id' => 'test_order_001',
            'amount' => 100,
            'sign' => 'ignored'
        ];
        
        // 测试签名不应该失败
        try {
            $sign = $method->invoke($client, $params);
            $this->assertEquals(true, is_string($sign), "签名应该是字符串");
            echo " ✅ 通过\n";
        } catch (\Exception $e) {
            throw new \Exception("签名生成测试失败: " . $e->getMessage());
        }
    }

    /**
     * 测试H5支付
     */
    public function testH5Pay()
    {
        echo "测试H5支付...";
        
        $this->createMockCertFiles();
        
        // 模拟HTTP请求
        $this->mockHttpRequest();
        
        $client = new HuaweiPayClient($this->testConfig);
        
        $params = [
            'order_id' => 'test_order_001',
            'amount' => 100,
            'subject' => '测试商品',
            'notify_url' => 'https://example.com/notify',
            'return_url' => 'https://example.com/return'
        ];
        
        // 由于无法真正发送HTTP请求，这里只测试参数验证
        try {
            // 尝试调用，实际环境可能需要模拟curl
            $result = $client->h5Pay($params);
            echo " ⚠️  跳过实际HTTP请求测试\n";
        } catch (\Exception $e) {
            // 预期可能会有curl错误，这里只检查是否因为参数问题
            if (strpos($e->getMessage(), '缺少必要参数') !== false) {
                throw new \Exception("H5支付参数测试失败: " . $e->getMessage());
            }
            echo " ⚠️  跳过实际HTTP请求测试\n";
        }
    }

    /**
     * 测试订单查询
     */
    public function testOrderQuery()
    {
        echo "测试订单查询...";
        
        $this->createMockCertFiles();
        
        $client = new HuaweiPayClient($this->testConfig);
        
        $params = [
            'order_id' => 'test_order_001'
        ];
        
        try {
            // 尝试调用，实际环境可能需要模拟curl
            $result = $client->orderQuery($params);
            echo " ⚠️  跳过实际HTTP请求测试\n";
        } catch (\Exception $e) {
            if (strpos($e->getMessage(), '缺少必要参数') !== false) {
                throw new \Exception("订单查询参数测试失败: " . $e->getMessage());
            }
            echo " ⚠️  跳过实际HTTP请求测试\n";
        }
    }

    /**
     * 测试退款
     */
    public function testRefund()
    {
        echo "测试退款...";
        
        $this->createMockCertFiles();
        
        $client = new HuaweiPayClient($this->testConfig);
        
        $params = [
            'order_id' => 'test_order_001',
            'refund_order_id' => 'refund_001',
            'refund_amount' => 100
        ];
        
        try {
            // 尝试调用，实际环境可能需要模拟curl
            $result = $client->refund($params);
            echo " ⚠️  跳过实际HTTP请求测试\n";
        } catch (\Exception $e) {
            if (strpos($e->getMessage(), '缺少必要参数') !== false) {
                throw new \Exception("退款参数测试失败: " . $e->getMessage());
            }
            echo " ⚠️  跳过实际HTTP请求测试\n";
        }
    }

    /**
     * 测试签名验证
     */
    public function testVerifySign()
    {
        echo "测试签名验证...";
        
        $this->createMockCertFiles();
        $client = new HuaweiPayClient($this->testConfig);
        
        // 使用反射调用私有方法
        $reflection = new \ReflectionClass($client);
        $method = $reflection->getMethod('verifySign');
        $method->setAccessible(true);
        
        $params = [
            'app_id' => 'test_app_id',
            'merc_no' => 'test_merc_no',
            'order_id' => 'test_order_001',
            'amount' => 100
        ];
        
        // 由于无法真正验证签名，这里只测试方法是否存在
        try {
            // 传入空签名，预期会失败
            $verified = $method->invoke($client, $params, '');
            echo " ⚠️  跳过实际签名验证测试\n";
        } catch (\Exception $e) {
            echo " ⚠️  跳过实际签名验证测试\n";
        }
    }

    /**
     * 创建模拟证书文件
     */
    private function createMockCertFiles()
    {
        // 确保mock证书目录存在
        $certDir = __DIR__ . '/mock/cert/';
        if (!is_dir($certDir)) {
            mkdir($certDir, 0755, true);
        }
        
        // 创建模拟证书文件
        $privateKeyPath = $certDir . 'merchant_private_key.pem';
        $publicKeyPath = $certDir . 'huawei_public_key.pem';
        
        if (!file_exists($privateKeyPath)) {
            file_put_contents($privateKeyPath, '-----BEGIN PRIVATE KEY-----\nMOCK_PRIVATE_KEY_CONTENT\n-----END PRIVATE KEY-----');
        }
        
        if (!file_exists($publicKeyPath)) {
            file_put_contents($publicKeyPath, '-----BEGIN PUBLIC KEY-----\nMOCK_PUBLIC_KEY_CONTENT\n-----END PUBLIC KEY-----');
        }
    }

    /**
     * 模拟HTTP请求
     */
    private function mockHttpRequest()
    {
        // 在实际测试中，可以使用更高级的模拟技术
        // 这里仅提供基础框架
    }

    /**
     * 断言相等
     */
    private function assertEquals($expected, $actual, $message = '')
    {
        if ($expected !== $actual) {
            throw new \Exception($message ?: "断言失败: 期望 {$expected}，实际得到 {$actual}");
        }
    }
}

// 如果直接运行此文件，则执行测试
if (basename(__FILE__) == basename($_SERVER['PHP_SELF'])) {
    $test = new HuaweiPayClientTest();
    $test->runTests();
}