<?php
declare(strict_types=1);

namespace Esun3d\LanguageUrlStoreResolver\Test\Unit\Model;

use Magento\Store\Model\Store;
use Magento\Store\Model\StoreManagerInterface;
use Magento\Store\Model\Website;
use PHPUnit\Framework\TestCase;
use Esun3d\LanguageUrlStoreResolver\Model\Config;
use Esun3d\LanguageUrlStoreResolver\Model\StoreCodeMapper;
use Esun3d\LanguageUrlStoreResolver\Model\StoreViewRegistry;
use Esun3d\LanguageUrlStoreResolver\Model\UrlPathConverter;

class UrlPathConverterTest extends TestCase
{
    /**
     * @dataProvider productUrlProvider
     */
    public function testConvertsGeneratedProductUrlsToLanguageUrls(
        string $url,
        string $language,
        string $expectedUrl
    ): void {
        $converter = new UrlPathConverter(
            $this->createConfig(),
            new StoreCodeMapper($this->createRegistry(), $this->createStoreManager('https://example.com/')),
            $this->createRegistry(),
            $this->createStoreManager('https://example.com/')
        );

        self::assertSame($expectedUrl, $converter->toLanguageUrl($url, $language));
    }

    /**
     * @return mixed[]
     */
    public static function productUrlProvider(): array
    {
        return [
            'real english US store code product url' => [
                'https://example.com/en_US/product-a',
                'en',
                'https://example.com/en/product-a',
            ],
            'real german DE store code product url' => [
                'https://example.com/de_DE/product-a',
                'de',
                'https://example.com/de/product-a',
            ],
            'plain product url gets language prefix' => [
                'https://example.com/product-a',
                'en',
                'https://example.com/en/product-a',
            ],
            'language product url is not duplicated' => [
                'https://example.com/en/product-a',
                'en',
                'https://example.com/en/product-a',
            ],
            'query and fragment survive conversion' => [
                'https://example.com/en_US/product-a?q=printer#reviews',
                'en',
                'https://example.com/en/product-a?q=printer#reviews',
            ],
        ];
    }

    public function testSkipsExternalProductUrl(): void
    {
        $converter = new UrlPathConverter(
            $this->createConfig(),
            new StoreCodeMapper($this->createRegistry(), $this->createStoreManager('https://example.com/')),
            $this->createRegistry(),
            $this->createStoreManager('https://example.com/')
        );

        self::assertSame(
            'https://cdn.example.net/en_US/product-a',
            $converter->toLanguageUrl('https://cdn.example.net/en_US/product-a', 'en')
        );
    }

    public function testSkipsStaticProductAssetPath(): void
    {
        $converter = new UrlPathConverter(
            $this->createConfig(),
            new StoreCodeMapper($this->createRegistry(), $this->createStoreManager('https://example.com/')),
            $this->createRegistry(),
            $this->createStoreManager('https://example.com/')
        );

        self::assertSame(
            'https://example.com/static/version123/frontend/product-a.jpg',
            $converter->toLanguageUrl('https://example.com/static/version123/frontend/product-a.jpg', 'en')
        );
    }

    public function testOmitsPrefixForWebsiteDefaultLanguage(): void
    {
        $mapper = $this->createMock(StoreCodeMapper::class);
        $mapper->method('isRealStoreCodeInScope')->with('en_US')->willReturn(true);
        $mapper->method('languageFromStoreCode')->with('en_US')->willReturn('en');
        $mapper->method('isLanguageAllowed')->willReturn(false);
        $mapper->method('isDefaultLanguage')->with('en')->willReturn(true);

        $converter = new UrlPathConverter(
            $this->createConfig(),
            $mapper,
            $this->createRegistry(),
            $this->createStoreManager('https://example.com/')
        );

        self::assertSame(
            'https://example.com/product-a',
            $converter->toLanguageUrl('https://example.com/en_US/product-a', 'en')
        );
    }

    private function createConfig(): Config
    {
        $config = $this->createMock(Config::class);
        $config->method('shouldSkipPath')->willReturnCallback(static function (string $path): bool {
            $path = strtolower(trim($path, '/'));
            $skipPrefixes = [
                'admin',
                'rest',
                'graphql',
                'soap',
                'static',
                'media',
                'pub',
                'customer/section/load',
            ];

            foreach ($skipPrefixes as $prefix) {
                if ($path === $prefix || strpos($path, $prefix . '/') === 0) {
                    return true;
                }
            }

            return false;
        });

        return $config;
    }

    private function createRegistry(): StoreViewRegistry
    {
        $registry = $this->createMock(StoreViewRegistry::class);
        $registry->method('isKnownLanguage')->willReturnCallback(static function (string $language): bool {
            return in_array($language, ['en', 'de'], true);
        });
        $registry->method('isKnownStoreCode')->willReturnCallback(static function (string $storeCode): bool {
            return in_array($storeCode, ['en_US', 'en_DE', 'de_US', 'de_DE'], true);
        });
        $registry->method('getLanguageByStoreCode')->willReturnCallback(static function (string $storeCode): ?string {
            $map = [
                'en_US' => 'en',
                'en_DE' => 'en',
                'de_US' => 'de',
                'de_DE' => 'de',
            ];

            return $map[$storeCode] ?? null;
        });
        $registry->method('isStoreCodeInWebsite')->willReturnCallback(
            static fn(string $storeCode, int $websiteId): bool =>
                $websiteId === 1 && in_array($storeCode, ['en_US', 'en_DE', 'de_US', 'de_DE'], true)
        );
        $registry->method('isLanguageInWebsite')->willReturnCallback(
            static fn(string $language, int $websiteId): bool =>
                $websiteId === 1 && in_array($language, ['en', 'de'], true)
        );

        return $registry;
    }

    private function createStoreManager(string $baseUrl): StoreManagerInterface
    {
        $store = $this->getMockBuilder(Store::class)
            ->disableOriginalConstructor()
            ->onlyMethods(['getBaseUrl'])
            ->getMock();
        $store->method('getBaseUrl')->willReturn($baseUrl);

        $storeManager = $this->createMock(StoreManagerInterface::class);
        $storeManager->method('getStore')->willReturn($store);
        $website = $this->createMock(Website::class);
        $website->method('getId')->willReturn(1);
        $website->method('getDefaultStore')->willReturn($store);
        $storeManager->method('getWebsite')->willReturn($website);

        return $storeManager;
    }
}