<?php

namespace Nette\PhpGenerator\Traits;

use JetBrains\PhpStorm\Language;
use Nette;
use Nette\PhpGenerator\Dumper;
use Nette\PhpGenerator\Parameter;
use Nette\Utils\Type;

/**
 * @internal
 */
trait FunctionLike
{
    private string $body = '';

    /** @var Parameter[] */
    private array $parameters = [];
    private bool $variadic = false;
    private ?string $returnType = null;
    private bool $returnReference = false;
    private bool $returnNullable = false;

    /**
     * @param  ?mixed[]  $args
     */
    public function setBody(
        #[Language('PHP')] string $code,
        ?array $args = null,
    ): static {
        $this->body = $args === null
            ? $code
            : (new Dumper)->format($code, ...$args);
        return $this;
    }

    public function getBody(): string
    {
        return $this->body;
    }

    /**
     * @param  ?mixed[]  $args
     */
    public function addBody(
        #[Language('PHP')] string $code,
        ?array $args = null,
    ): static {
        $this->body .= ($args === null ? $code : (new Dumper)->format($code, ...$args)) . "\n";
        return $this;
    }

    /**
     * @param  Parameter[]  $val
     */
    public function setParameters(array $val): static
    {
        (function (Parameter ...$val) {})(...$val);
        $this->parameters = [];
        foreach ($val as $v) {
            $this->parameters[$v->getName()] = $v;
        }

        return $this;
    }

    /**
     * @return Parameter[]
     */
    public function getParameters(): array
    {
        return $this->parameters;
    }

    /**
     * @param  string  $name without $
     */
    public function addParameter(string $name, mixed $defaultValue = null): Parameter
    {
        $param = new Parameter($name);
        if (func_num_args() > 1) {
            $param->setDefaultValue($defaultValue);
        }

        return $this->parameters[$name] = $param;
    }

    /**
     * @param  string  $name without $
     */
    public function removeParameter(string $name): static
    {
        unset($this->parameters[$name]);
        return $this;
    }

    public function setVariadic(bool $state = true): static
    {
        $this->variadic = $state;
        return $this;
    }

    public function isVariadic(): bool
    {
        return $this->variadic;
    }

    public function setReturnType(?string $type): static
    {
        $this->returnType = Nette\PhpGenerator\Helpers::validateType($type, $this->returnNullable);
        return $this;
    }

    public function getReturnType(bool $asObject = false): Type|string|null
    {
        return $asObject && $this->returnType
            ? Type::fromString($this->returnType)
            : $this->returnType;
    }

    public function setReturnReference(bool $state = true): static
    {
        $this->returnReference = $state;
        return $this;
    }

    public function getReturnReference(): bool
    {
        return $this->returnReference;
    }

    public function setReturnNullable(bool $state = true): static
    {
        $this->returnNullable = $state;
        return $this;
    }

    public function isReturnNullable(): bool
    {
        return $this->returnNullable;
    }

    /**
     * @deprecated  use isReturnNullable()
     */
    public function getReturnNullable(): bool
    {
        trigger_error(__METHOD__ . '() is deprecated, use isReturnNullable().', E_USER_DEPRECATED);
        return $this->returnNullable;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjY2MjQzNzMzMjg4ODEyIDk2ODgxNTU3NDU3NzI2ODEgNjYwODA2MjY3ODU5OTgwMg==