<?php

declare(strict_types=1);

namespace Auroro\Code;

use Stringable;

final class CodeFile implements Stringable

{

public readonly ImportCollection $imports;

private ?string $header = null;

private readonly CodeWriter $writer;

public function __construct(

private readonly CodeStyle $style = new CodeStyle(),

) {

$this->imports = new ImportCollection();

$this->writer = new CodeWriter($this->style);

}

/**

* Set the file header comment/text.

*/

public function header(string $text): self

{

$this->header = $text;

return $this;

}

/**

* Get the body writer for building file content.

*/

public function body(): CodeWriter

{

return $this->writer;

}

public function __toString(): string

{

$sections = [];

if (null !== $this->header) {

$sections[] = $this->header;

}

$rendered = $this->imports->render();

if ('' !== $rendered) {

$sections[] = $rendered;

}

$body = (string) $this->writer;

if ('' !== $body) {

$sections[] = $body;

}

return rtrim(implode("\n\n", $sections));

}

}