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<?php

declare (strict_types=1);
namespace Rector\Transform\Rector\Class_;

use PhpParser\Node;
use PhpParser\Node\Name;
use PhpParser\Node\Name\FullyQualified;
use PhpParser\Node\Stmt\Class_;
use PhpParser\Node\Stmt\TraitUse;
use Rector\Core\Contract\Rector\ConfigurableRectorInterface;
use Rector\Core\NodeAnalyzer\ClassAnalyzer;
use Rector\Core\Rector\AbstractRector;
use Rector\Transform\ValueObject\ParentClassToTraits;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\ConfiguredCodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
use RectorPrefix202308\Webmozart\Assert\Assert;
/**
 * Can handle cases like:
 * - https://doc.nette.org/en/2.4/migration-2-4#toc-nette-smartobject
 * - https://github.com/silverstripe/silverstripe-upgrader/issues/71#issue-320145944
 *
 * @see \Rector\Tests\Transform\Rector\Class_\ParentClassToTraitsRector\ParentClassToTraitsRectorTest
 */
final class ParentClassToTraitsRector extends AbstractRector implements ConfigurableRectorInterface
{
    /**
     * @readonly
     * @var \Rector\Core\NodeAnalyzer\ClassAnalyzer
     */
    private $classAnalyzer;
    /**
     * @var ParentClassToTraits[]
     */
    private $parentClassToTraits = [];
    public function __construct(ClassAnalyzer $classAnalyzer)
    {
        $this->classAnalyzer = $classAnalyzer;
    }
    public function getRuleDefinition() : RuleDefinition
    {
        return new RuleDefinition('Replaces parent class to specific traits', [new ConfiguredCodeSample(<<<'CODE_SAMPLE'
class SomeClass extends Nette\Object
{
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
class SomeClass
{
    use Nette\SmartObject;
}
CODE_SAMPLE
, [new ParentClassToTraits('Nette\\Object', ['Nette\\SmartObject'])])]);
    }
    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes() : array
    {
        return [Class_::class];
    }
    /**
     * @param Class_ $node
     */
    public function refactor(Node $node) : ?Node
    {
        $parentExtends = $node->extends;
        if (!$parentExtends instanceof Name) {
            return null;
        }
        if ($this->classAnalyzer->isAnonymousClass($node)) {
            return null;
        }
        $traitUses = [];
        foreach ($this->parentClassToTraits as $parentClassToTrait) {
            if (!$this->isName($parentExtends, $parentClassToTrait->getParentType())) {
                continue;
            }
            foreach ($parentClassToTrait->getTraitNames() as $traitName) {
                $traitUses[] = new TraitUse([new FullyQualified($traitName)]);
            }
            $this->removeParentClass($node);
        }
        if ($traitUses === []) {
            return null;
        }
        $node->stmts = \array_merge($traitUses, $node->stmts);
        return $node;
    }
    /**
     * @param mixed[] $configuration
     */
    public function configure(array $configuration) : void
    {
        Assert::allIsAOf($configuration, ParentClassToTraits::class);
        $this->parentClassToTraits = $configuration;
    }
    private function removeParentClass(Class_ $class) : void
    {
        $class->extends = null;
    }
}