<?php

namespace Tests\Unit\ThirdParty;

use PHPUnit\Framework\TestCase;
use App\Module\ThirdParty\Services\BaseRequest;

/**
 * BaseRequest基类测试
 * 
 * 测试ThirdParty模块的BaseRequest基类功能
 * 验证Request机制的基础架构是否正确
 */
class BaseRequestTest extends TestCase
{
    /**
     * 测试BaseRequest类是否存在
     */
    public function testBaseRequestClassExists()
    {
        $this->assertTrue(
            class_exists(BaseRequest::class),
            'BaseRequest类应该存在'
        );
    }

    /**
     * 测试BaseRequest是抽象类
     */
    public function testBaseRequestIsAbstract()
    {
        $reflection = new \ReflectionClass(BaseRequest::class);
        
        $this->assertTrue(
            $reflection->isAbstract(),
            'BaseRequest应该是抽象类'
        );
    }

    /**
     * 测试BaseRequest有必需的抽象方法
     */
    public function testBaseRequestHasRequiredAbstractMethods()
    {
        $reflection = new \ReflectionClass(BaseRequest::class);
        
        // 检查是否有handler抽象方法
        $this->assertTrue(
            $reflection->hasMethod('handler'),
            'BaseRequest应该有handler抽象方法'
        );

        $handlerMethod = $reflection->getMethod('handler');
        $this->assertTrue(
            $handlerMethod->isAbstract(),
            'handler方法应该是抽象方法'
        );

        $this->assertTrue(
            $handlerMethod->isProtected(),
            'handler方法应该是protected'
        );
    }

    /**
     * 测试BaseRequest有必需的公共方法
     */
    public function testBaseRequestHasRequiredPublicMethods()
    {
        $reflection = new \ReflectionClass(BaseRequest::class);
        
        // 检查request方法
        $this->assertTrue(
            $reflection->hasMethod('request'),
            'BaseRequest应该有request公共方法'
        );

        $requestMethod = $reflection->getMethod('request');
        $this->assertTrue(
            $requestMethod->isPublic(),
            'request方法应该是public'
        );
    }

    /**
     * 测试BaseRequest有必需的受保护方法
     */
    public function testBaseRequestHasRequiredProtectedMethods()
    {
        $reflection = new \ReflectionClass(BaseRequest::class);
        
        $expectedMethods = [
            'checkQuota',
            'updateQuota', 
            'logRequest',
            'getConfig',
            'getService',
            'getCredential',
            'getRequestId'
        ];

        foreach ($expectedMethods as $methodName) {
            $this->assertTrue(
                $reflection->hasMethod($methodName),
                "BaseRequest应该有{$methodName}方法"
            );

            $method = $reflection->getMethod($methodName);
            $this->assertTrue(
                $method->isProtected(),
                "{$methodName}方法应该是protected"
            );
        }
    }

    /**
     * 测试BaseRequest构造函数需要serviceCode参数
     */
    public function testBaseRequestConstructorRequiresServiceCode()
    {
        $reflection = new \ReflectionClass(BaseRequest::class);
        $constructor = $reflection->getConstructor();
        
        $this->assertNotNull($constructor, 'BaseRequest应该有构造函数');
        
        $parameters = $constructor->getParameters();
        $this->assertCount(1, $parameters, '构造函数应该有1个参数');
        
        $serviceCodeParam = $parameters[0];
        $this->assertEquals('serviceCode', $serviceCodeParam->getName(), '参数名应该是serviceCode');
        $this->assertEquals('string', $serviceCodeParam->getType()->getName(), '参数类型应该是string');
    }

    /**
     * 测试BaseRequest有必需的属性
     */
    public function testBaseRequestHasRequiredProperties()
    {
        $reflection = new \ReflectionClass(BaseRequest::class);
        
        $expectedProperties = [
            'serviceCode',
            'service',
            'credential',
            'requestId',
            'startTime'
        ];

        foreach ($expectedProperties as $propertyName) {
            $this->assertTrue(
                $reflection->hasProperty($propertyName),
                "BaseRequest应该有{$propertyName}属性"
            );

            $property = $reflection->getProperty($propertyName);
            $this->assertTrue(
                $property->isProtected(),
                "{$propertyName}属性应该是protected"
            );
        }
    }

    /**
     * 创建一个测试用的BaseRequest实现类
     */
    private function createTestRequestClass()
    {
        return new class('test_service') extends BaseRequest {
            protected function handler(array $params): array
            {
                return [
                    'success' => true,
                    'message' => '测试请求处理成功',
                    'params' => $params,
                    'service_code' => $this->serviceCode,
                    'request_id' => $this->requestId,
                ];
            }

            // 重写方法以避免数据库依赖
            protected function initializeService(): void
            {
                // 跳过服务初始化
            }

            protected function checkQuota(): bool
            {
                return true;
            }

            protected function updateQuota(): void
            {
                // 跳过配额更新
            }

            protected function logRequest(array $params, array $result, bool $success): void
            {
                // 跳过日志记录
            }

            protected function getConfig(?string $key = null)
            {
                $config = ['test_key' => 'test_value'];
                return $key ? ($config[$key] ?? null) : $config;
            }
        };
    }

    /**
     * 测试BaseRequest的基本功能
     */
    public function testBaseRequestBasicFunctionality()
    {
        $testRequest = $this->createTestRequestClass();
        
        // 测试request方法可以调用
        $result = $testRequest->request(['test_param' => 'test_value']);
        
        $this->assertIsArray($result, 'request方法应该返回数组');
        $this->assertTrue($result['success'], '测试请求应该成功');
        $this->assertEquals('测试请求处理成功', $result['message']);
        $this->assertEquals(['test_param' => 'test_value'], $result['params']);
        $this->assertEquals('test_service', $result['service_code']);
        $this->assertNotEmpty($result['request_id'], '应该有请求ID');
    }

    /**
     * 测试BaseRequest的单一职责原则设计
     */
    public function testBaseRequestSingleResponsibilityDesign()
    {
        $reflection = new \ReflectionClass(BaseRequest::class);
        
        // BaseRequest应该只有一个抽象方法handler
        $abstractMethods = $reflection->getMethods(\ReflectionMethod::IS_ABSTRACT);
        $this->assertCount(1, $abstractMethods, 'BaseRequest应该只有一个抽象方法');
        $this->assertEquals('handler', $abstractMethods[0]->getName(), '抽象方法应该是handler');
        
        // 这确保了每个子类只需要实现一个handler方法，符合单一职责原则
    }

    /**
     * 测试BaseRequest的错误处理机制
     */
    public function testBaseRequestErrorHandling()
    {
        $testRequest = new class('test_service') extends BaseRequest {
            protected function handler(array $params): array
            {
                throw new \Exception('测试异常');
            }

            // 重写方法以避免数据库依赖
            protected function initializeService(): void {}
            protected function checkQuota(): bool { return true; }
            protected function updateQuota(): void {}
            protected function logRequest(array $params, array $result, bool $success): void {}
            protected function getConfig(?string $key = null) { return []; }
        };

        // 测试异常会被正确抛出
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('测试异常');
        
        $testRequest->request([]);
    }
}