<?php


use ComboStrap\PluginUtility;
use ComboStrap\TagAttributes;


/**
 * This syntax is not a classic syntax plugin
 *
 * The instructions are captured at the {@link DOKU_LEXER_END}
 * state of {@link syntax_plugin_combo_iterator::handle()}
 * to create the data
 *
 *
 */
class syntax_plugin_combo_iteratordata extends DokuWiki_Syntax_Plugin
{

    /**
     * Tag in Dokuwiki cannot have a `-`
     * This is the last part of the class
     */
    const TAG = "iteratordata";

    /**
     * The pattern
     */
    const MARKI_PAGE_TAG = "data";


    /**
     * Syntax Type.
     *
     * Needs to return one of the mode types defined in $PARSER_MODES in parser.php
     * @see https://www.dokuwiki.org/devel:syntax_plugins#syntax_types
     * @see DokuWiki_Syntax_Plugin::getType()
     */
    function getType()
    {
        return 'protected';
    }

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

    /**
     * @return array
     * Allow which kind of plugin inside
     *
     * No one of array('baseonly','container', 'formatting', 'substition', 'protected', 'disabled', 'paragraphs')
     * because we manage self the content and we call self the parser
     *
     * Return an array of one or more of the mode types {@link $PARSER_MODES} in Parser.php
     */
    function getAllowedTypes()
    {
        return array();
    }

    function getSort()
    {
        return 201;
    }

    public function accepts($mode)
    {
        return syntax_plugin_combo_preformatted::disablePreformatted($mode);
    }


    function connectTo($mode)
    {
        /**
         * Only in iterator
         */
        if ($mode == PluginUtility::getModeFromTag(syntax_plugin_combo_iterator::TAG)) {

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

        }

    }


    public function postConnect()
    {

        $this->Lexer->addExitPattern('</' . self::MARKI_PAGE_TAG . '>', PluginUtility::getModeFromTag($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 - byte position in the original source file
     * @param Doku_Handler $handler
     * @return array|bool
     * @throws Exception
     * @see DokuWiki_Syntax_Plugin::handle()
     *
     */
    function handle($match, $state, $pos, Doku_Handler $handler)
    {

        switch ($state) {

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

            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)
    {

        /**
         * No render, the data is used by {@link syntax_plugin_combo_iterator::handle()}
         * at the {@link DOKU_LEXER_EXIT}
         */
        return true;

    }


}