<?php
declare(strict_types=1);

namespace SixShop\MakerBundle\Tests\Unit\Generator;

use PHPUnit\Framework\TestCase;
use SixShop\MakerBundle\Generator\EntityGenerator;
use Symfony\Component\Console\Style\SymfonyStyle;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Output\BufferedOutput;

/**
 * Unit tests for EntityGenerator
 */
class EntityGeneratorTest extends TestCase
{
    private EntityGenerator $generator;
    private string $testDir;
    private array $extensionInfo;
    private SymfonyStyle $io;

    protected function setUp(): void
    {
        $this->testDir = sys_get_temp_dir() . '/sixshop_entity_test_' . uniqid();
        if (!is_dir($this->testDir)) {
            mkdir($this->testDir, 0755, true);
        }
        
        $this->generator = new EntityGenerator();
        $this->extensionInfo = [
            'namespace' => 'SixShop\\Test\\',
            'packageName' => 'sixshop/test',
            'id' => 'sixshop-test'
        ];
        
        // Create mock SymfonyStyle
        $input = new ArrayInput([]);
        $output = new BufferedOutput();
        $this->io = new SymfonyStyle($input, $output);
    }

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

    private function removeDirectory(string $dir): void
    {
        if (is_dir($dir)) {
            $files = array_diff(scandir($dir), ['.', '..']);
            foreach ($files as $file) {
                $path = $dir . DIRECTORY_SEPARATOR . $file;
                is_dir($path) ? $this->removeDirectory($path) : unlink($path);
            }
            rmdir($dir);
        }
    }

    public function testGenerateBasicEntity(): void
    {
        $tableName = 'test_users';
        $tableComment = 'Test users table';
        $fields = [
            ['name' => 'id', 'type' => 'biginteger'],
            ['name' => 'name', 'type' => 'string', 'length' => 100],
            ['name' => 'email', 'type' => 'string', 'length' => 255]
        ];

        $result = $this->generator->generateEntity(
            $tableName, 
            $tableComment, 
            $fields, 
            $this->extensionInfo, 
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result);
        
        $entityFile = $this->testDir . '/src/Entity/TestUserEntity.php';
        $this->assertFileExists($entityFile);
        
        $content = file_get_contents($entityFile);
        $this->assertStringContainsString('class TestUserEntity extends BaseEntity', $content);
        $this->assertStringContainsString('use SixShop\\Core\\Entity\\BaseEntity;', $content);
        $this->assertStringContainsString('public function indexTestUser', $content);
        $this->assertStringContainsString('public function createTestUser', $content);
        $this->assertStringContainsString('public function saveTestUser', $content);
        $this->assertStringContainsString('public function readTestUser', $content);
        $this->assertStringContainsString('public function editTestUser', $content);
        $this->assertStringContainsString('public function updateTestUser', $content);
        $this->assertStringContainsString('public function deleteTestUser', $content);
    }

    public function testEntityMethodParameters(): void
    {
        $tableName = 'products';
        $tableComment = 'Products table';
        $fields = [
            ['name' => 'id', 'type' => 'biginteger'],
            ['name' => 'name', 'type' => 'string']
        ];

        $result = $this->generator->generateEntity(
            $tableName, 
            $tableComment, 
            $fields, 
            $this->extensionInfo, 
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result);
        
        $entityFile = $this->testDir . '/src/Entity/ProductEntity.php';
        $content = file_get_contents($entityFile);
        
        // Check method parameters
        $this->assertStringContainsString('public function indexProduct(array $params, array $pageAndLimit = []):Paginator| Collection', $content);
        $this->assertStringContainsString('public function createProduct(): array', $content);
        $this->assertStringContainsString('public function saveProduct(array $data): ProductModel', $content);
        $this->assertStringContainsString('public function readProduct(int $id):self', $content);
        $this->assertStringContainsString('public function editProduct(int $id): array', $content);
        $this->assertStringContainsString('public function updateProduct(int $id, array $params): self', $content);
        $this->assertStringContainsString('public function deleteProduct(int $id): bool', $content);
    }

    public function testEntityNamespaceGeneration(): void
    {
        $tableName = 'orders';
        $fields = [['name' => 'id', 'type' => 'biginteger']];

        $customExtensionInfo = [
            'namespace' => 'MyVendor\\CustomPackage\\',
            'packageName' => 'myvendor/custom-package',
            'id' => 'myvendor-custom-package'
        ];

        $result = $this->generator->generateEntity(
            $tableName, 
            'Orders table', 
            $fields, 
            $customExtensionInfo, 
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result);
        
        $entityFile = $this->testDir . '/src/Entity/OrderEntity.php';
        $this->assertFileExists($entityFile);
        
        $content = file_get_contents($entityFile);
        $this->assertStringContainsString('namespace MyVendor\\CustomPackage\\Entity;', $content);
        $this->assertStringContainsString('use MyVendor\\CustomPackage\\Model\\OrderModel;', $content);
        $this->assertStringContainsString('class OrderEntity extends BaseEntity', $content);
    }

    public function testEntityWithComplexTableName(): void
    {
        $tableName = 'user_profiles';
        $fields = [['name' => 'id', 'type' => 'biginteger']];

        $result = $this->generator->generateEntity(
            $tableName, 
            'User profiles table', 
            $fields, 
            $this->extensionInfo, 
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result);
        
        $entityFile = $this->testDir . '/src/Entity/UserProfileEntity.php';
        $this->assertFileExists($entityFile);
        
        $content = file_get_contents($entityFile);
        $this->assertStringContainsString('class UserProfileEntity extends BaseEntity', $content);
        $this->assertStringContainsString('public function indexUserProfile', $content);
        $this->assertStringContainsString('public function saveUserProfile', $content);
    }

    public function testEntityDirectoryCreation(): void
    {
        $tableName = 'categories';
        $fields = [['name' => 'id', 'type' => 'biginteger']];

        // Use a path that doesn't exist
        $newTestDir = $this->testDir . '/nonexistent/path';
        
        $result = $this->generator->generateEntity(
            $tableName, 
            'Categories table', 
            $fields, 
            $this->extensionInfo, 
            $newTestDir,
            $this->io
        );

        $this->assertTrue($result);
        
        $entityFile = $newTestDir . '/src/Entity/CategoryEntity.php';
        $this->assertFileExists($entityFile);
        
        // Check that directories were created
        $this->assertTrue(is_dir($newTestDir . '/src/Entity'));
    }

    public function testEntityImplementationPatterns(): void
    {
        $tableName = 'logs';
        $fields = [
            ['name' => 'id', 'type' => 'biginteger'],
            ['name' => 'message', 'type' => 'text']
        ];

        $result = $this->generator->generateEntity(
            $tableName, 
            'Logs table', 
            $fields, 
            $this->extensionInfo, 
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result);
        
        $entityFile = $this->testDir . '/src/Entity/LogEntity.php';
        $content = file_get_contents($entityFile);
        
        // Check implementation patterns
        $this->assertStringContainsString('$this->withSearch([', $content);
        $this->assertStringContainsString('$this->find($id)', $content);
        $this->assertStringContainsString('$this->findOrEmpty($id)', $content);
        $this->assertStringContainsString('throw_logic_exception(\'数据不存在\')', $content);
        $this->assertStringContainsString('new LogModel()', $content);
    }

    public function testEntityImportsAndDependencies(): void
    {
        $tableName = 'settings';
        $fields = [['name' => 'id', 'type' => 'biginteger']];

        $result = $this->generator->generateEntity(
            $tableName, 
            'Settings table', 
            $fields, 
            $this->extensionInfo, 
            $this->testDir,
            $this->io
        );

        $this->assertTrue($result);
        
        $entityFile = $this->testDir . '/src/Entity/SettingEntity.php';
        $content = file_get_contents($entityFile);
        
        // Check required imports
        $this->assertStringContainsString('use SixShop\\Test\\Model\\SettingModel;', $content);
        $this->assertStringContainsString('use SixShop\\Core\\Entity\\BaseEntity;', $content);
        $this->assertStringContainsString('use think\\Collection;', $content);
        $this->assertStringContainsString('use think\\Paginator;', $content);
        $this->assertStringContainsString('use function SixShop\\Core\\throw_logic_exception;', $content);
    }
}