// ==UserScript==
// @name         RNLI Medal Link Fixer
// @namespace    http://en.wikipedia.org/
// @version      1.4
// @description  Update RNLI medal wikilinks to specific pages
// @author       Aluxosm (using ChatGPT)
// @match        https://en.wikipedia.org/wiki/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Add the button next to the edit tab
    mw.util.addPortletLink(
        'p-cactions',      // Portlet (action menu)
        '#',               // Link href
        'Fix RNLI Medals', // Button text
        'ca-fix-rnli-medals' // ID
    );

    // Define the replacements
    const replacements = [
        {
            regex: /\[\[Awards of the Royal National Lifeboat Institution#Medal of the RNLI\|([^|\]]*gold[^|\]]*)\]\]/gi,
            replacement: '[[RNLI Gold Medal|$1]]'
        },
        {
            regex: /\[\[Awards of the Royal National Lifeboat Institution#Medal of the RNLI\|([^|\]]*silver[^|\]]*)\]\]/gi,
            replacement: '[[RNLI Silver Medal|$1]]'
        },
        {
            regex: /\[\[Awards of the Royal National Lifeboat Institution#Medal of the RNLI\|([^|\]]*bronze[^|\]]*)\]\]/gi,
            replacement: '[[RNLI Bronze Medal|$1]]'
        }
    ];

    // Attach a click event to the button
    document.getElementById('ca-fix-rnli-medals').addEventListener('click', function(e) {
        e.preventDefault();
        
        // Open edit mode
        const editUrl = mw.util.getUrl(mw.config.get('wgPageName'), { action: 'edit' });
        fetch(editUrl).then(response => response.text()).then(html => {
            // Extract raw content without parsing to HTML
            const match = html.match(/<textarea[^>]*id="wpTextbox1"[^>]*>([\s\S]*?)<\/textarea>/);
            if (match && match[1]) {
                // Decode the content safely
                let content = match[1];

                // Perform replacements, only modifying wikilinks
                replacements.forEach(({ regex, replacement }) => {
                    content = content.replace(regex, replacement);
                });

                // Pre-fill the edit box and summary
                const editForm = document.createElement('form');
                editForm.method = 'POST';
                editForm.action = editUrl;

                editForm.innerHTML = `
                    <textarea name="wpTextbox1">${content}</textarea>
                    <input type="hidden" name="wpSummary" value="Updated RNLI medal links to direct pages." />
                    <input type="hidden" name="action" value="submit" />
                `;

                // Submit the edit form to show changes
                document.body.appendChild(editForm);
                editForm.submit();
            } else {
                alert('Unable to access the edit box!');
            }
        });
    });
})();