<?php

namespace SixShop\MakerBundle\Tests\Unit\Generator;

use PHPUnit\Framework\TestCase;
use SixShop\MakerBundle\Generator\RouteUpdater;
use Symfony\Component\Console\Style\SymfonyStyle;

class RouteUpdaterTest extends TestCase
{
    private $routeUpdater;
    private $io;
    private $testDir;

    protected function setUp(): void
    {
        $this->testDir = sys_get_temp_dir() . '/route_test_' . uniqid();
        mkdir($this->testDir, 0777, true);
        
        // Create route directory
        mkdir($this->testDir . '/route', 0777, true);
        
        // Create mock SymfonyStyle
        $this->io = $this->createMock(SymfonyStyle::class);
        
        $this->routeUpdater = new RouteUpdater();
    }

    protected function tearDown(): void
    {
        if (is_dir($this->testDir)) {
            $this->removeDirectory($this->testDir);
        }
    }

    private function removeDirectory($dir)
    {
        if (!is_dir($dir)) {
            return;
        }
        
        $items = scandir($dir);
        foreach ($items as $item) {
            if ($item != '.' && $item != '..') {
                $path = $dir . DIRECTORY_SEPARATOR . $item;
                if (is_dir($path)) {
                    $this->removeDirectory($path);
                } else {
                    unlink($path);
                }
            }
        }
        rmdir($dir);
    }

    public function testUpdateRoutesWithBothFiles()
    {
        // Create initial route files
        file_put_contents($this->testDir . '/route/api.php', "<?php\n// Initial API routes\n");
        file_put_contents($this->testDir . '/route/admin.php', "<?php\n// Initial Admin routes\n");

        $tableName = 'users';
        $tableComment = 'User management table';
        $extensionInfo = [
            'namespace' => 'TestExtension',
            'name' => 'test-extension'
        ];

        $this->io->expects($this->exactly(2))
            ->method('text')
            ->with($this->logicalOr(
                $this->stringContains('更新API路由文件'),
                $this->stringContains('更新Admin路由文件')
            ));

        $result = $this->routeUpdater->updateRoutes(
            $tableName,
            $tableComment,
            $extensionInfo,
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result);

        // Check API routes file
        $apiContent = file_get_contents($this->testDir . '/route/api.php');
        $this->assertStringContainsString('Route::resource(\'users\', TestExtension\\Controller\\Api\\UserController::class);', $apiContent);
        $this->assertStringContainsString('User management table相关路由', $apiContent);

        // Check Admin routes file
        $adminContent = file_get_contents($this->testDir . '/route/admin.php');
        $this->assertStringContainsString('Route::resource(\'users\', TestExtension\\Controller\\Admin\\UserController::class);', $adminContent);
        $this->assertStringContainsString('User management table管理路由', $adminContent);
    }

    public function testUpdateRoutesWithMissingFiles()
    {
        $tableName = 'products';
        $tableComment = 'Product table';
        $extensionInfo = [
            'namespace' => 'TestExtension',
            'name' => 'test-extension'
        ];

        $this->io->expects($this->exactly(2))
            ->method('warning')
            ->with($this->logicalOr(
                $this->stringContains('API路由文件不存在'),
                $this->stringContains('Admin路由文件不存在')
            ));

        $result = $this->routeUpdater->updateRoutes(
            $tableName,
            $tableComment,
            $extensionInfo,
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result); // Should still return true when files don't exist
    }

    public function testUpdateRoutesWithExistingRoutes()
    {
        // Create route files with existing routes
        $existingApiContent = "<?php\n// Existing routes\nRoute::resource('users', TestExtension\\Controller\\Api\\UserController::class);";
        $existingAdminContent = "<?php\n// Existing routes\nRoute::resource('users', TestExtension\\Controller\\Admin\\UserController::class);";
        
        file_put_contents($this->testDir . '/route/api.php', $existingApiContent);
        file_put_contents($this->testDir . '/route/admin.php', $existingAdminContent);

        $tableName = 'users';
        $tableComment = 'User table';
        $extensionInfo = [
            'namespace' => 'TestExtension',
            'name' => 'test-extension'
        ];

        $this->io->expects($this->exactly(2))
            ->method('text')
            ->with($this->logicalOr(
                $this->stringContains('API路由已存在'),
                $this->stringContains('Admin路由已存在')
            ));

        $result = $this->routeUpdater->updateRoutes(
            $tableName,
            $tableComment,
            $extensionInfo,
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result);

        // Verify content wasn't duplicated
        $apiContent = file_get_contents($this->testDir . '/route/api.php');
        $this->assertEquals(1, substr_count($apiContent, 'Route::resource(\'users\''));
        
        $adminContent = file_get_contents($this->testDir . '/route/admin.php');
        $this->assertEquals(1, substr_count($adminContent, 'Route::resource(\'users\''));
    }

    public function testTableNameConversion()
    {
        // Test various table name formats
        $testCases = [
            'user_profiles' => ['UserProfileController', 'user_profiles'],
            'tbl_products' => ['ProductController', 'products'],
            'blog_posts' => ['BlogPostController', 'blog_posts'],
            'categories' => ['CategoryController', 'categories'],
            'tb_orders' => ['OrderController', 'orders']
        ];

        foreach ($testCases as $tableName => [$expectedController, $expectedResource]) {
            // Create fresh route files for each test
            file_put_contents($this->testDir . '/route/api.php', "<?php\n// API routes\n");
            
            $extensionInfo = [
                'namespace' => 'TestExtension',
                'name' => 'test-extension'
            ];

            $this->routeUpdater->updateRoutes(
                $tableName,
                'Test table',
                $extensionInfo,
                $this->testDir,
                $this->io
            );

            $apiContent = file_get_contents($this->testDir . '/route/api.php');
            $this->assertStringContainsString("Route::resource('{$expectedResource}', TestExtension\\Controller\\Api\\{$expectedController}::class);", $apiContent);
        }
    }

    public function testNamespaceHandling()
    {
        file_put_contents($this->testDir . '/route/api.php', "<?php\n// API routes\n");
        file_put_contents($this->testDir . '/route/admin.php', "<?php\n// Admin routes\n");

        $tableName = 'posts';
        $tableComment = 'Post table';
        
        // Test different namespace formats
        $namespaces = [
            'SimpleExtension',
            'Complex\\Nested\\Extension',
            'CamelCase\\Extension'
        ];

        foreach ($namespaces as $namespace) {
            $extensionInfo = [
                'namespace' => $namespace,
                'name' => 'test-extension'
            ];

            $this->routeUpdater->updateRoutes(
                $tableName,
                $tableComment,
                $extensionInfo,
                $this->testDir,
                $this->io
            );

            $apiContent = file_get_contents($this->testDir . '/route/api.php');
            $this->assertStringContainsString("{$namespace}\\Controller\\Api\\PostController::class", $apiContent);

            $adminContent = file_get_contents($this->testDir . '/route/admin.php');
            $this->assertStringContainsString("{$namespace}\\Controller\\Admin\\PostController::class", $adminContent);
            
            // Reset files for next iteration
            file_put_contents($this->testDir . '/route/api.php', "<?php\n// API routes\n");
            file_put_contents($this->testDir . '/route/admin.php', "<?php\n// Admin routes\n");
        }
    }

    public function testRouteCodeGeneration()
    {
        file_put_contents($this->testDir . '/route/api.php', "<?php\n");
        file_put_contents($this->testDir . '/route/admin.php', "<?php\n");

        $tableName = 'articles';
        $tableComment = 'Article management';
        $extensionInfo = [
            'namespace' => 'Blog\\Extension',
            'name' => 'blog-extension'
        ];

        $result = $this->routeUpdater->updateRoutes(
            $tableName,
            $tableComment,
            $extensionInfo,
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result);

        // Check API route structure
        $apiContent = file_get_contents($this->testDir . '/route/api.php');
        $this->assertStringContainsString('// Article management相关路由', $apiContent);
        $this->assertStringContainsString('Route::resource(\'articles\', Blog\\Extension\\Controller\\Api\\ArticleController::class);', $apiContent);

        // Check Admin route structure
        $adminContent = file_get_contents($this->testDir . '/route/admin.php');
        $this->assertStringContainsString('// Article management管理路由', $adminContent);
        $this->assertStringContainsString('Route::resource(\'articles\', Blog\\Extension\\Controller\\Admin\\ArticleController::class);', $adminContent);
    }

    public function testErrorHandling()
    {
        // Create a read-only route file to trigger write error
        file_put_contents($this->testDir . '/route/api.php', "<?php\n// Initial content\n");
        chmod($this->testDir . '/route/api.php', 0444); // Read-only

        $tableName = 'users';
        $tableComment = 'User table';
        $extensionInfo = [
            'namespace' => 'TestExtension',
            'name' => 'test-extension'
        ];

        $this->io->expects($this->once())
            ->method('error')
            ->with($this->stringContains('无法写入API路由文件'));

        $result = $this->routeUpdater->updateRoutes(
            $tableName,
            $tableComment,
            $extensionInfo,
            $this->testDir,
            $this->io
        );

        $this->assertFalse($result);

        // Restore permissions for cleanup
        chmod($this->testDir . '/route/api.php', 0644);
    }

    public function testFileContentAppending()
    {
        $initialApiContent = "<?php\n// Existing API routes\nRoute::get('/test', 'TestController@test');";
        $initialAdminContent = "<?php\n// Existing Admin routes\nRoute::get('/admin-test', 'AdminTestController@test');";
        
        file_put_contents($this->testDir . '/route/api.php', $initialApiContent);
        file_put_contents($this->testDir . '/route/admin.php', $initialAdminContent);

        $tableName = 'comments';
        $tableComment = 'Comment management';
        $extensionInfo = [
            'namespace' => 'BlogExtension',
            'name' => 'blog-extension'
        ];

        $result = $this->routeUpdater->updateRoutes(
            $tableName,
            $tableComment,
            $extensionInfo,
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result);

        // Check that original content is preserved and new content is appended
        $apiContent = file_get_contents($this->testDir . '/route/api.php');
        $this->assertStringContainsString('Route::get(\'/test\', \'TestController@test\');', $apiContent);
        $this->assertStringContainsString('Route::resource(\'comments\', BlogExtension\\Controller\\Api\\CommentController::class);', $apiContent);

        $adminContent = file_get_contents($this->testDir . '/route/admin.php');
        $this->assertStringContainsString('Route::get(\'/admin-test\', \'AdminTestController@test\');', $adminContent);
        $this->assertStringContainsString('Route::resource(\'comments\', BlogExtension\\Controller\\Admin\\CommentController::class);', $adminContent);
    }

    public function testMultipleResourceUpdates()
    {
        file_put_contents($this->testDir . '/route/api.php', "<?php\n// API routes\n");

        $resources = [
            ['users', 'User management'],
            ['posts', 'Post management'],
            ['categories', 'Category management']
        ];

        $extensionInfo = [
            'namespace' => 'TestExtension',
            'name' => 'test-extension'
        ];

        foreach ($resources as [$tableName, $tableComment]) {
            $result = $this->routeUpdater->updateRoutes(
                $tableName,
                $tableComment,
                $extensionInfo,
                $this->testDir,
                $this->io
            );
            $this->assertTrue($result);
        }

        $apiContent = file_get_contents($this->testDir . '/route/api.php');
        
        // Verify all resources are added
        $this->assertStringContainsString('Route::resource(\'users\', TestExtension\\Controller\\Api\\UserController::class);', $apiContent);
        $this->assertStringContainsString('Route::resource(\'posts\', TestExtension\\Controller\\Api\\PostController::class);', $apiContent);
        $this->assertStringContainsString('Route::resource(\'categories\', TestExtension\\Controller\\Api\\CategoryController::class);', $apiContent);
    }
}