<?php

declare(strict_types=1);

namespace SixShop\Wangdian\Tests\Unit;

use PHPUnit\Framework\TestCase;
use SixShop\Wangdian\Auth\Authenticator;
use SixShop\Wangdian\Client;
use SixShop\Wangdian\Config\Config;
use SixShop\Wangdian\Http\HttpClient;
use SixShop\Wangdian\Response\ApiResponse;
use SixShop\Wangdian\Response\ResponseHandler;
use SixShop\Wangdian\Services\BasicService;
use SixShop\Wangdian\Services\GoodsService;
use SixShop\Wangdian\Services\PurchaseService;
use SixShop\Wangdian\Services\RefundService;
use SixShop\Wangdian\Services\StockService;
use SixShop\Wangdian\Services\TradeService;
use SixShop\Wangdian\Tests\TestConfig;

class ClientTest extends TestCase
{
    private Config $config;
    private Client $client;

    protected function setUp(): void
    {
        $testConfig = TestConfig::get();
        
        $this->config = new Config(
            sid: $testConfig['credentials']['sid'],
            appKey: $testConfig['credentials']['app_key'],
            appSecret: $testConfig['credentials']['app_secret'],
            baseUrl: $testConfig['endpoints']['sandbox_base_url'],
            timeout: $testConfig['settings']['timeout'],
            debug: $testConfig['settings']['debug']
        );
        
        $this->client = new Client($this->config);
    }

    public function testConstructorWithDefaultDependencies(): void
    {
        $client = new Client($this->config);
        
        $this->assertInstanceOf(Client::class, $client);
        $this->assertInstanceOf(Config::class, $client->getConfig());
        $this->assertInstanceOf(HttpClient::class, $client->getHttpClient());
        $this->assertInstanceOf(Authenticator::class, $client->getAuthenticator());
        $this->assertInstanceOf(ResponseHandler::class, $client->getResponseHandler());
    }

    public function testConstructorWithCustomDependencies(): void
    {
        $httpClient = $this->createMock(\Psr\Http\Client\ClientInterface::class);
        $logger = $this->createMock(\Psr\Log\LoggerInterface::class);
        
        $client = new Client($this->config, $httpClient, $logger);
        
        $this->assertInstanceOf(Client::class, $client);
        $this->assertSame($this->config, $client->getConfig());
    }

    public function testGetConfig(): void
    {
        $config = $this->client->getConfig();
        
        $this->assertSame($this->config, $config);
    }

    public function testGetHttpClient(): void
    {
        $httpClient = $this->client->getHttpClient();
        
        $this->assertInstanceOf(HttpClient::class, $httpClient);
    }

    public function testGetAuthenticator(): void
    {
        $authenticator = $this->client->getAuthenticator();
        
        $this->assertInstanceOf(Authenticator::class, $authenticator);
    }

    public function testGetResponseHandler(): void
    {
        $responseHandler = $this->client->getResponseHandler();
        
        $this->assertInstanceOf(ResponseHandler::class, $responseHandler);
    }

    public function testBasicServiceSingleton(): void
    {
        $service1 = $this->client->basic();
        $service2 = $this->client->basic();
        
        $this->assertInstanceOf(BasicService::class, $service1);
        $this->assertSame($service1, $service2); // Should return same instance
    }

    public function testGoodsServiceSingleton(): void
    {
        $service1 = $this->client->goods();
        $service2 = $this->client->goods();
        
        $this->assertInstanceOf(GoodsService::class, $service1);
        $this->assertSame($service1, $service2); // Should return same instance
    }

    public function testPurchaseServiceSingleton(): void
    {
        $service1 = $this->client->purchase();
        $service2 = $this->client->purchase();
        
        $this->assertInstanceOf(PurchaseService::class, $service1);
        $this->assertSame($service1, $service2); // Should return same instance
    }

    public function testRefundServiceSingleton(): void
    {
        $service1 = $this->client->refund();
        $service2 = $this->client->refund();
        
        $this->assertInstanceOf(RefundService::class, $service1);
        $this->assertSame($service1, $service2); // Should return same instance
    }

    public function testStockServiceSingleton(): void
    {
        $service1 = $this->client->stock();
        $service2 = $this->client->stock();
        
        $this->assertInstanceOf(StockService::class, $service1);
        $this->assertSame($service1, $service2); // Should return same instance
    }

    public function testTradeServiceSingleton(): void
    {
        $service1 = $this->client->trade();
        $service2 = $this->client->trade();
        
        $this->assertInstanceOf(TradeService::class, $service1);
        $this->assertSame($service1, $service2); // Should return same instance
    }

    public function testAllServicesAreDifferentInstances(): void
    {
        $basic = $this->client->basic();
        $goods = $this->client->goods();
        $purchase = $this->client->purchase();
        $refund = $this->client->refund();
        $stock = $this->client->stock();
        $trade = $this->client->trade();
        
        // All services should be different instances
        $this->assertNotSame($basic, $goods);
        $this->assertNotSame($basic, $purchase);
        $this->assertNotSame($goods, $refund);
        $this->assertNotSame($stock, $trade);
    }

    public function testCallMethodIntegration(): void
    {
        // Since call method requires working HTTP client and authentication,
        // we'll test that the method exists and has the right signature
        $this->assertTrue(method_exists($this->client, 'call'));
        
        $reflection = new \ReflectionMethod($this->client, 'call');
        $this->assertTrue($reflection->isPublic());
        
        $parameters = $reflection->getParameters();
        $this->assertCount(2, $parameters);
        $this->assertEquals('endpoint', $parameters[0]->getName());
        $this->assertEquals('params', $parameters[1]->getName());
        $this->assertTrue($parameters[1]->isDefaultValueAvailable());
        $this->assertEquals([], $parameters[1]->getDefaultValue());
    }

    public function testServiceFactoryMethods(): void
    {
        // Test that all service factory methods exist
        $this->assertTrue(method_exists($this->client, 'basic'));
        $this->assertTrue(method_exists($this->client, 'goods'));
        $this->assertTrue(method_exists($this->client, 'purchase'));
        $this->assertTrue(method_exists($this->client, 'refund'));
        $this->assertTrue(method_exists($this->client, 'stock'));
        $this->assertTrue(method_exists($this->client, 'trade'));
    }

    public function testClientWithDifferentConfigs(): void
    {
        $config1 = Config::sandbox('sid1', 'key1', 'secret1');
        $config2 = Config::production('sid2', 'key2', 'secret2');
        
        $client1 = new Client($config1);
        $client2 = new Client($config2);
        
        $this->assertNotSame($client1->getConfig(), $client2->getConfig());
        $this->assertTrue($client1->getConfig()->isSandbox());
        $this->assertFalse($client2->getConfig()->isSandbox());
    }
}