<?php

declare (strict_types=1);
namespace Rector\DowngradePhp81\Rector\StmtsAwareInterface;

use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\New_;
use PhpParser\Node\Stmt;
use PhpParser\Node\Stmt\Expression;
use Rector\Core\Contract\PhpParser\Node\StmtsAwareInterface;
use Rector\Core\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
 * @changelog https://phpbackend.com/blog/post/php-8-1-accessing-private-protected-properties-methods-via-reflection-api-is-now-allowed-without-calling-setAccessible
 *
 * @see \Rector\Tests\DowngradePhp81\Rector\StmtsAwareInterface\DowngradeSetAccessibleReflectionPropertyRector\DowngradeSetAccessibleReflectionPropertyRectorTest
 */
final class DowngradeSetAccessibleReflectionPropertyRector extends AbstractRector
{
    public function getRuleDefinition() : RuleDefinition
    {
        return new RuleDefinition('Add setAccessible() on ReflectionProperty to allow reading private properties in PHP 8.0-', [new CodeSample(<<<'CODE_SAMPLE'
class SomeClass
{
    public function run($object)
    {
        $reflectionProperty = new ReflectionProperty($object, 'bar');

        return $reflectionProperty->getValue($object);
    }
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
class SomeClass
{
    public function run($object)
    {
        $reflectionProperty = new ReflectionProperty($object, 'bar');
        $reflectionProperty->setAccessible(true);

        return $reflectionProperty->getValue($object);
    }
}
CODE_SAMPLE
)]);
    }
    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes() : array
    {
        return [StmtsAwareInterface::class];
    }
    /**
     * @param StmtsAwareInterface $node
     */
    public function refactor(Node $node) : ?Node
    {
        if ($node->stmts === null) {
            return null;
        }
        $hasChanged = \false;
        foreach ($node->stmts as $key => $stmt) {
            if (!$stmt instanceof Expression) {
                continue;
            }
            if (!$stmt->expr instanceof Assign) {
                continue;
            }
            $assign = $stmt->expr;
            if (!$assign->expr instanceof New_) {
                continue;
            }
            $new = $assign->expr;
            if (!$this->isName($new->class, 'ReflectionProperty')) {
                continue;
            }
            // next stmts should be setAccessible() call
            $nextStmt = $node->stmts[$key + 1] ?? null;
            if ($this->isSetAccessibleMethodCall($nextStmt)) {
                continue;
            }
            \array_splice($node->stmts, $key + 1, 0, [$this->createSetAccessibleExpression($assign->var)]);
            $hasChanged = \true;
        }
        if ($hasChanged) {
            return $node;
        }
        return null;
    }
    private function createSetAccessibleExpression(Expr $expr) : Expression
    {
        $args = [$this->nodeFactory->createArg($this->nodeFactory->createTrue())];
        $setAccessibleMethodCall = $this->nodeFactory->createMethodCall($expr, 'setAccessible', $args);
        return new Expression($setAccessibleMethodCall);
    }
    private function isSetAccessibleMethodCall(?Stmt $stmt) : bool
    {
        if (!$stmt instanceof Expression) {
            return \false;
        }
        if (!$stmt->expr instanceof MethodCall) {
            return \false;
        }
        $methodCall = $stmt->expr;
        return $this->isName($methodCall->name, 'setAccessible');
    }
}
