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import { power_user } from './power-user.js';
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import { substituteParams } from '../script.js';
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/**
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 * Showdown extension to make chat separators (dinkuses) ignore markdown formatting
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 * @returns {import('showdown').ShowdownExtension[]} An array of Showdown extensions
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 */
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export const markdownExclusionExt = () => {
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    if (!power_user) {
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        console.log('Showdown-dinkus extension: power_user wasn\'t found! Returning.');
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        return [];
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    }
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    // The extension will only be applied if the user has non-empty "Non-markdown strings"
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    // Changing the string in the UI reloads the processor, so we don't need to worry about it
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    if (!power_user.markdown_escape_strings) {
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        return [];
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    }
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    // Escape the strings to be excluded from markdown parsing
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    // Function is evaluated every time, so we don't care about stale macros in the strings
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    return [{
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        type: 'lang',
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        filter: (text) => {
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            const escapedExclusions = substituteParams(power_user.markdown_escape_strings)
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                .split(',')
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                .filter((element) => element.length > 0)
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                .map((element) => `(${element.split('').map((char) => `\\${char}`).join('')})`);
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            // No exclusions? No extension!
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            if (escapedExclusions.length === 0) {
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                return text;
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            }
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            const replaceRegex = new RegExp(`^(${escapedExclusions.join('|')})\n`, 'gm');
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            return text.replace(replaceRegex, ((match) => match.replace(replaceRegex, `\u0000${match} \n`)));
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        },
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    }];
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};