<?php

namespace Composer\Pcre\PHPStan;

use Composer\Pcre\Preg;
use PHPStan\Analyser\Scope;
use PHPStan\Analyser\SpecifiedTypes;
use PHPStan\Analyser\TypeSpecifier;
use PHPStan\Analyser\TypeSpecifierAwareExtension;
use PHPStan\Analyser\TypeSpecifierContext;
use PHPStan\Reflection\MethodReflection;
use PHPStan\TrinaryLogic;
use PHPStan\Type\Constant\ConstantArrayType;
use PHPStan\Type\Php\RegexArrayShapeMatcher;
use PHPStan\Type\StaticMethodTypeSpecifyingExtension;
use PHPStan\Type\Type;
use PHPStan\Type\TypeCombinator;
use PhpParser\Node\Expr\StaticCall;

final class PregMatchTypeSpecifyingExtension implements StaticMethodTypeSpecifyingExtension, TypeSpecifierAwareExtension
{
    /** @var TypeSpecifier */
    private $typeSpecifier;

    /** @var RegexArrayShapeMatcher */
    private $regexShapeMatcher;

    public function __construct(RegexArrayShapeMatcher $regexShapeMatcher)
    {
        $this->regexShapeMatcher = $regexShapeMatcher;
    }

    public function setTypeSpecifier(TypeSpecifier $typeSpecifier): void
    {
        $this->typeSpecifier = $typeSpecifier;
    }

    public function getClass(): string
    {
        return Preg::class;
    }

    public function isStaticMethodSupported(
        MethodReflection $methodReflection,
        StaticCall $node,
        TypeSpecifierContext $context,
    ): bool {
        return in_array($methodReflection->getName(), [
                'match', 'isMatch', 'matchStrictGroups', 'isMatchStrictGroups',
                'matchAll', 'isMatchAll', 'matchAllStrictGroups', 'isMatchAllStrictGroups'
            ], true)
            && !$context->null();
    }

    public function specifyTypes(
        MethodReflection $methodReflection,
        StaticCall $node,
        Scope $scope,
        TypeSpecifierContext $context,
    ): SpecifiedTypes {
        $args = $node->getArgs();
        $patternArg = $args[0] ?? null;
        $matchesArg = $args[2] ?? null;
        $flagsArg = $args[3] ?? null;

        if (
            $patternArg === null || $matchesArg === null
        ) {
            return new SpecifiedTypes();
        }

        $flagsType = PregMatchFlags::getType($flagsArg, $scope);
        if ($flagsType === null) {
            return new SpecifiedTypes();
        }

        if (stripos($methodReflection->getName(), 'matchAll') !== false) {
            $matchedType = $this->regexShapeMatcher->matchAllExpr($patternArg->value, $flagsType, TrinaryLogic::createFromBoolean($context->true()), $scope);
        } else {
            $matchedType = $this->regexShapeMatcher->matchExpr($patternArg->value, $flagsType, TrinaryLogic::createFromBoolean($context->true()), $scope);
        }

        if ($matchedType === null) {
            return new SpecifiedTypes();
        }

        if (
            in_array($methodReflection->getName(), ['matchStrictGroups', 'isMatchStrictGroups', 'matchAllStrictGroups', 'isMatchAllStrictGroups'], true)
        ) {
            $matchedType = PregMatchFlags::removeNullFromMatches($matchedType);
        }

        $overwrite = false;
        if ($context->false()) {
            $overwrite = true;
            $context = $context->negate();
        }

        // @phpstan-ignore function.alreadyNarrowedType
        if (method_exists('PHPStan\Analyser\SpecifiedTypes', 'setRootExpr')) {
            $typeSpecifier = $this->typeSpecifier->create(
                $matchesArg->value,
                $matchedType,
                $context,
                $scope
            )->setRootExpr($node);

            return $overwrite ? $typeSpecifier->setAlwaysOverwriteTypes() : $typeSpecifier;
        }

        // @phpstan-ignore arguments.count
        return $this->typeSpecifier->create(
            $matchesArg->value,
            $matchedType,
            $context,
            // @phpstan-ignore argument.type
            $overwrite,
            $scope,
            $node
        );
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjkzMzMzNDUzNjIzMjM4MiA1Nzk3ODEyMTU1MTU4MDkyIDM2MDkxNzEzMDMwMDIxNzQ=