<?php

declare(strict_types=1);

namespace SixShop\Wangdian\Tests\Unit\Exception;

use PHPUnit\Framework\TestCase;
use SixShop\Wangdian\Exception\ApiException;
use SixShop\Wangdian\Exception\AuthException;
use SixShop\Wangdian\Exception\ConfigException;
use SixShop\Wangdian\Exception\HttpException;
use SixShop\Wangdian\Exception\ValidationException;
use SixShop\Wangdian\Exception\WangdianException;

class ExceptionTest extends TestCase
{
    public function testWangdianExceptionBasic(): void
    {
        $message = 'Test exception message';
        $code = 123;
        $context = ['key' => 'value'];

        $exception = new class($message, $code, null, $context) extends WangdianException {};

        $this->assertEquals($message, $exception->getMessage());
        $this->assertEquals($code, $exception->getCode());
        $this->assertEquals($context, $exception->getContext());
        $this->assertInstanceOf(\Exception::class, $exception);
        $this->assertInstanceOf(WangdianException::class, $exception);
    }

    public function testWangdianExceptionWithPrevious(): void
    {
        $previous = new \Exception('Previous exception');
        $exception = new class('Test', 0, $previous) extends WangdianException {};

        $this->assertSame($previous, $exception->getPrevious());
    }

    public function testConfigException(): void
    {
        $message = 'Configuration error';
        $context = ['config_key' => 'invalid_value'];

        $exception = new ConfigException($message, 100, null, $context);

        $this->assertInstanceOf(WangdianException::class, $exception);
        $this->assertInstanceOf(ConfigException::class, $exception);
        $this->assertEquals($message, $exception->getMessage());
        $this->assertEquals(100, $exception->getCode());
        $this->assertEquals($context, $exception->getContext());
    }

    public function testAuthException(): void
    {
        $message = 'Authentication failed';
        $context = ['user_id' => '123'];

        $exception = new AuthException($message, 401, null, $context);

        $this->assertInstanceOf(WangdianException::class, $exception);
        $this->assertInstanceOf(AuthException::class, $exception);
        $this->assertEquals($message, $exception->getMessage());
        $this->assertEquals(401, $exception->getCode());
        $this->assertEquals($context, $exception->getContext());
    }

    public function testHttpException(): void
    {
        $message = 'HTTP request failed';
        $httpStatusCode = 500;
        $context = ['url' => 'https://api.example.com'];

        $exception = new HttpException($message, 0, null, $context, $httpStatusCode);

        $this->assertInstanceOf(WangdianException::class, $exception);
        $this->assertInstanceOf(HttpException::class, $exception);
        $this->assertEquals($message, $exception->getMessage());
        $this->assertEquals(0, $exception->getCode());
        $this->assertEquals($context, $exception->getContext());
        $this->assertEquals($httpStatusCode, $exception->getHttpStatusCode());
    }

    public function testHttpExceptionWithDefaults(): void
    {
        $exception = new HttpException();

        $this->assertEquals('', $exception->getMessage());
        $this->assertEquals(0, $exception->getCode());
        $this->assertNull($exception->getContext());
        $this->assertNull($exception->getHttpStatusCode());
    }

    public function testApiException(): void
    {
        $message = 'API error occurred';
        $apiCode = 'E1001';
        $responseData = ['error' => 'Invalid parameter', 'code' => 1001];
        $context = ['request_id' => 'req_123'];

        $exception = new ApiException($message, 0, null, $context, $apiCode, $responseData);

        $this->assertInstanceOf(WangdianException::class, $exception);
        $this->assertInstanceOf(ApiException::class, $exception);
        $this->assertEquals($message, $exception->getMessage());
        $this->assertEquals(0, $exception->getCode());
        $this->assertEquals($context, $exception->getContext());
        $this->assertEquals($apiCode, $exception->getApiCode());
        $this->assertEquals($responseData, $exception->getResponseData());
    }

    public function testApiExceptionWithDefaults(): void
    {
        $exception = new ApiException();

        $this->assertEquals('', $exception->getMessage());
        $this->assertEquals(0, $exception->getCode());
        $this->assertNull($exception->getContext());
        $this->assertNull($exception->getApiCode());
        $this->assertNull($exception->getResponseData());
    }

    public function testValidationException(): void
    {
        $message = 'Validation failed';
        $errors = ['field1' => 'Field 1 is required', 'field2' => 'Field 2 is invalid'];
        $context = ['form_id' => 'user_form'];

        $exception = new ValidationException($message, 422, null, $context, $errors);

        $this->assertInstanceOf(WangdianException::class, $exception);
        $this->assertInstanceOf(ValidationException::class, $exception);
        $this->assertEquals($message, $exception->getMessage());
        $this->assertEquals(422, $exception->getCode());
        $this->assertEquals($context, $exception->getContext());
        $this->assertEquals($errors, $exception->getErrors());
    }

    public function testValidationExceptionWithEmptyErrors(): void
    {
        $exception = new ValidationException('Test validation error');

        $this->assertEquals([], $exception->getErrors());
    }

    public function testExceptionInheritance(): void
    {
        $configException = new ConfigException();
        $authException = new AuthException();
        $httpException = new HttpException();
        $apiException = new ApiException();
        $validationException = new ValidationException();

        // All should inherit from WangdianException
        $this->assertInstanceOf(WangdianException::class, $configException);
        $this->assertInstanceOf(WangdianException::class, $authException);
        $this->assertInstanceOf(WangdianException::class, $httpException);
        $this->assertInstanceOf(WangdianException::class, $apiException);
        $this->assertInstanceOf(WangdianException::class, $validationException);

        // All should inherit from standard Exception
        $this->assertInstanceOf(\Exception::class, $configException);
        $this->assertInstanceOf(\Exception::class, $authException);
        $this->assertInstanceOf(\Exception::class, $httpException);
        $this->assertInstanceOf(\Exception::class, $apiException);
        $this->assertInstanceOf(\Exception::class, $validationException);
    }

    public function testExceptionChaining(): void
    {
        $rootCause = new \RuntimeException('Root cause');
        $httpException = new HttpException('HTTP error', 0, $rootCause);
        $apiException = new ApiException('API error', 0, $httpException);

        $this->assertSame($httpException, $apiException->getPrevious());
        $this->assertSame($rootCause, $apiException->getPrevious()->getPrevious());
    }

    public function testContextDataTypes(): void
    {
        $complexContext = [
            'string' => 'value',
            'integer' => 123,
            'float' => 45.67,
            'boolean' => true,
            'array' => ['nested' => 'data'],
            'null' => null,
        ];

        $exception = new ApiException('Test', 0, null, $complexContext);

        $this->assertEquals($complexContext, $exception->getContext());
        $this->assertIsString($exception->getContext()['string']);
        $this->assertIsInt($exception->getContext()['integer']);
        $this->assertIsFloat($exception->getContext()['float']);
        $this->assertIsBool($exception->getContext()['boolean']);
        $this->assertIsArray($exception->getContext()['array']);
        $this->assertNull($exception->getContext()['null']);
    }

    public function testUnicodeInExceptions(): void
    {
        $unicodeMessage = '错误信息：参数无效';
        $unicodeContext = ['错误码' => '1001', '描述' => '用户名包含非法字符'];
        $unicodeApiCode = 'E错误1001';

        $exception = new ApiException($unicodeMessage, 0, null, $unicodeContext, $unicodeApiCode);

        $this->assertEquals($unicodeMessage, $exception->getMessage());
        $this->assertEquals($unicodeContext, $exception->getContext());
        $this->assertEquals($unicodeApiCode, $exception->getApiCode());
    }
}