<?php
// HttpMessage.php
// Created: 2022-02-08
// Updated: 2022-02-27

namespace Index\Http;

use Index\Version;
use Index\IO\Stream;
use Index\Http\Content\IHttpContent;
use Index\Http\Content\BencodedContent;
use Index\Http\Content\FormContent;
use Index\Http\Content\JsonContent;
use Index\Http\Content\StreamContent;
use Index\Http\Content\StringContent;

abstract class HttpMessage {
    private Version $version;
    private HttpHeaders $headers;
    private ?IHttpContent $content;

    public function __construct(Version $version, HttpHeaders $headers, ?IHttpContent $content) {
        $this->version = $version;
        $this->headers = $headers;
        $this->content = $content;
    }

    public function getHttpVersion(): Version {
        return $this->version;
    }

    public function getHeaders(): array {
        return $this->headers->getHeaders();
    }

    public function hasHeader(string $name): bool {
        return $this->headers->hasHeader($name);
    }

    public function getHeader(string $name): HttpHeader {
        return $this->headers->getHeader($name);
    }

    public function getHeaderLine(string $name): string {
        return $this->headers->getHeaderLine($name);
    }

    public function getHeaderLines(string $name): array {
        return $this->headers->getHeaderLines($name);
    }

    public function getHeaderFirstLine(string $name): string {
        return $this->headers->getHeaderFirstLine($name);
    }

    public function hasContent(): bool {
        return $this->content !== null;
    }

    public function getContent(): ?IHttpContent {
        return $this->content;
    }

    public function isJsonContent(): bool {
        return $this->content instanceof JsonContent;
    }

    public function isFormContent(): bool {
        return $this->content instanceof FormContent;
    }

    public function isStreamContent(): bool {
        return $this->content instanceof StreamContent;
    }

    public function isStringContent(): bool {
        return $this->content instanceof StringContent;
    }

    public function isBencodedContent(): bool {
        return $this->content instanceof BencodedContent;
    }
}