<?php
/**
 * Copyright (c) 2020. ComboStrap, Inc. and its affiliates. All Rights Reserved.
 *
 * This source code is licensed under the GPL license found in the
 * COPYING  file in the root directory of this source tree.
 *
 * @license  GPL 3 (https://www.gnu.org/licenses/gpl-3.0.en.html)
 * @author   ComboStrap <support@combostrap.com>
 *
 */

use ComboStrap\PluginUtility;
use ComboStrap\TagAttributes;
use ComboStrap\XmlTagProcessing;

if (!defined('DOKU_INC')) {
    die();
}

require_once(__DIR__ . '/../ComboStrap/PluginUtility.php');

/**
 * Implementation of the footer
 *
 * @see https:/combostrap.com/footer
 *
 *
 * The name of the class must follow a pattern (don't change it)
 * ie:
 *    syntax_plugin_PluginName_ComponentName
 *
 * This is the HTML footer element
 * It's is also added automatically to wrap a {@link syntax_plugin_combo_cite}
 * in a blockquote
 */
class syntax_plugin_combo_footer extends DokuWiki_Syntax_Plugin
{

    const TAG = "footer";


    /**
     * Syntax Type.
     *
     * Needs to return one of the mode types defined in $PARSER_MODES in parser.php
     * @see DokuWiki_Syntax_Plugin::getType()
     */
    function getType(): string
    {
        return 'container';
    }

    /**
     * @return array
     * Allow which kind of plugin inside
     * All
     */
    public function getAllowedTypes(): array
    {
        return array('container', 'formatting', 'substition', 'protected', 'disabled', 'paragraphs');
    }

    /**
     * How Dokuwiki will add P element
     *
     * * 'normal' - The plugin can be used inside paragraphs
     *  * 'block'  - Open paragraphs need to be closed before plugin output - block should not be inside paragraphs
     *  * 'stack'  - Special case. Plugin wraps other paragraphs. - Stacks can contain paragraphs
     *
     * @see DokuWiki_Syntax_Plugin::getPType()
     */
    function getPType(): string
    {
        return 'stack';
    }

    /**
     * @see Doku_Parser_Mode::getSort()
     *
     * the mode with the lowest sort number will win out
     * the container (parent) must then have a lower number than the child
     */
    function getSort(): int
    {
        return 100;
    }

    /**
     * Create a pattern that will called this plugin
     *
     * @param string $mode
     * @see Doku_Parser_Mode::connectTo()
     */
    function connectTo($mode)
    {

        $pattern = XmlTagProcessing::getContainerTagPattern(self::TAG);
        $this->Lexer->addEntryPattern($pattern, $mode, PluginUtility::getModeFromTag($this->getPluginComponent()));

    }

    public function postConnect()
    {

        $this->Lexer->addExitPattern('</' . self::TAG . '>', PluginUtility::getModeFromTag($this->getPluginComponent()));

    }

    /**
     *
     * The handle function goal is to parse the matched syntax through the pattern function
     * and to return the result for use in the renderer
     * This result is always cached until the page is modified.
     * @param string $match
     * @param int $state
     * @param int $pos
     * @param Doku_Handler $handler
     * @return array|bool
     * @see DokuWiki_Syntax_Plugin::handle()
     *
     */
    function handle($match, $state, $pos, Doku_Handler $handler)
    {

        switch ($state) {

            case DOKU_LEXER_ENTER:

                $tagAttributes = PluginUtility::getTagAttributes($match);
                return array(
                    PluginUtility::STATE => $state,
                    PluginUtility::ATTRIBUTES => $tagAttributes
                );

            case DOKU_LEXER_UNMATCHED:
                return PluginUtility::handleAndReturnUnmatchedData(self::TAG, $match, $handler);

            case DOKU_LEXER_EXIT :

                return array(
                    PluginUtility::STATE => $state
                );


        }

        return array();

    }

    /**
     * Render the output
     * @param string $format
     * @param Doku_Renderer $renderer
     * @param array $data - what the function handle() return'ed
     * @return boolean - rendered correctly? (however, returned value is not used at the moment)
     * @see DokuWiki_Syntax_Plugin::render()
     *
     *
     */
    function render($format, Doku_Renderer $renderer, $data)
    {

        if ($format == 'xhtml') {

            /** @var Doku_Renderer_xhtml $renderer */
            $state = $data[PluginUtility::STATE];
            switch ($state) {

                case DOKU_LEXER_ENTER :
                    $attributes = $data[PluginUtility::ATTRIBUTES];
                    $tagAttributes = TagAttributes::createFromCallStackArray($attributes, self::TAG);
                    $renderer->doc .= $tagAttributes->toHtmlEnterTag("footer");
                    break;

                case DOKU_LEXER_UNMATCHED :

                    $renderer->doc .= PluginUtility::renderUnmatched($data);
                    break;

                case DOKU_LEXER_EXIT :

                    $renderer->doc .= '</footer>' . DOKU_LF;
                    break;
            }
            return true;
        }
        return false;
    }


}