<?php
/**
 * Jingga
 *
 * PHP Version 8.1
 *
 * @package   phpOMS\Message
 * @copyright Dennis Eichhorn
 * @license   OMS License 2.0
 * @version   1.0.0
 * @link      https://jingga.app
 */
declare(strict_types=1);

namespace phpOMS\Message;

use phpOMS\Localization\Localization;

/**
 * Response class.
 *
 * @package phpOMS\Message
 * @license OMS License 2.0
 * @link    https://jingga.app
 * @since   1.0.0
 */
abstract class HeaderAbstract
{
    /**
     * Responses.
     *
     * @var bool
     * @since 1.0.0
     */
    protected bool $isLocked = false;

    /**
     * Localization.
     *
     * @var Localization
     * @since 1.0.0
     */
    public Localization $l11n;

    /**
     * Account.
     *
     * @var int
     * @since 1.0.0
     */
    public int $account = 0;

    /**
     * Response status.
     *
     * @var int
     * @since 1.0.0
     */
    public int $status = 0;

    /**
     * Response timestamp.
     *
     * @var int
     * @since 1.0.0
     */
    public int $timestamp = 0;

    /**
     * Constructor.
     *
     * @since 1.0.0
     */
    public function __construct()
    {
        $this->l11n      = new Localization();
        $this->timestamp = \time();
    }

    /**
     * Set header locked.
     *
     * @return void
     *
     * @since 1.0.0
     */
    public function lock() : void
    {
        $this->isLocked = true;
    }

    /**
     * Is header locked?
     *
     * @return bool
     *
     * @since 1.0.0
     */
    public function isLocked() : bool
    {
        return $this->isLocked;
    }

    /**
     * Generate header based on status code.
     *
     * @param int $statusCode Status code
     *
     * @return void
     *
     * @since 1.0.0
     */
    abstract public function generate(int $statusCode) : void;

    /**
     * Get protocol version.
     *
     * @return string
     *
     * @since 1.0.0
     */
    abstract public function getProtocolVersion() : string;

    /**
     * Set header.
     *
     * @param string $key       Header key
     * @param string $value     Header value
     * @param bool   $overwrite Overwrite if key already exists
     *
     * @return bool
     *
     * @since 1.0.0
     */
    abstract public function set(string $key, string $value, bool $overwrite = false) : bool;

    /**
     * Get header by key.
     *
     * @param null|string $key Header key
     *
     * @return array
     *
     * @since 1.0.0
     */
    abstract public function get(string $key = null) : array;

    /**
     * Header has key?
     *
     * @param string $key Header key
     *
     * @return bool
     *
     * @since 1.0.0
     */
    abstract public function has(string $key) : bool;

    /**
     * Get time of the request
     *
     * @return int
     *
     * @since 1.0.0
     */
    public function getRequestTime() : int
    {
        return $this->timestamp;
    }

    /**
     * Push all headers.
     *
     * @return void
     *
     * @since 1.0.0
     * @codeCoverageIgnore
     */
    public function push() : void
    {
    }
}