User:Euphoria/common.js

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//<nowiki>
mw.loader.using(['mediawiki.util', 'mediawiki.api'], function () {
    const pagePrefix = 'User:Euphoria/TestVfD';
    if (!mw.config.get('wgPageName').startsWith(pagePrefix) || mw.config.get('wgAction') !== 'view') return;

    $(function() { // synchronous DOM ready
        const api = new mw.Api();

        $('#mw-content-text').find('h2, h3').each(function() {
            const heading = this;
            if ($(heading).closest('.vfd').length) return;

            const container = document.createElement('span');
            container.style.marginLeft = '6px';

            const actions = [
                {name: 'delete', color: '#e74c3c'},
                {name: 'keep', color: '#27ae60'},
                {name: 'no consensus', color: '#f1c40f'}
            ];

            actions.forEach(actionObj => {
                const btn = document.createElement('button');
                btn.textContent = actionObj.name.charAt(0).toUpperCase();
                btn.title = actionObj.name;

                Object.assign(btn.style, {
                    width: '16px',
                    height: '16px',
                    fontSize: '65%',
                    padding: '0',
                    marginRight: '3px',
                    border: 'none',
                    borderRadius: '2px',
                    backgroundColor: actionObj.color,
                    color: '#fff',
                    cursor: 'pointer',
                    verticalAlign: 'middle',
                    transition: '0.15s'
                });

                btn.addEventListener('mouseenter', () => btn.style.filter = 'brightness(1.3)');
                btn.addEventListener('mouseleave', () => btn.style.filter = 'brightness(1)');

                // Async click handler
                btn.addEventListener('click', async e => {
                    e.preventDefault();
                    if (!confirm('Are you sure you want to close as ' + actionObj.name + '?')) return;

                    try {
                        // 1️⃣ Get discussion page content
                        const data = await api.get({
                            action: 'query',
                            prop: 'revisions',
                            titles: mw.config.get('wgPageName'),
                            rvprop: 'content',
                            format: 'json'
                        });

                        const pages = data.query.pages;
                        const pageId = Object.keys(pages)[0];
                        let content = pages[pageId].revisions[0]['*'];

                        // Wrap discussion content
                        const topText = '{{subst:vt|' + actionObj.name + '. --~~~~}}\n';
                        const bottomText = '\n{{subst:vb}}';
                        const discussionNewContent = topText + content.trim() + bottomText;

                        await api.postWithToken('csrf', {
                            action: 'edit',
                            title: mw.config.get('wgPageName'),
                            text: discussionNewContent,
                            summary: 'Closed as ' + actionObj.name,
                            minor: true,
                            bot: true
                        });

                        // Extract target article from heading
                        const match = content.match(/==\s*\[\[([^\]]+)\]\]\s*==/);
                        if (!match) {
                            alert('Cannot find target article in heading!');
                            return;
                        }
                        const targetPage = match[1];

                        if (actionObj.name === 'delete') {
                            // Delete target article
                            await api.postWithToken('csrf', {
                                action: 'delete',
                                title: targetPage,
                                reason: '[[' + mw.config.get('wgPageName') + ']]',
                                bot: true
                            });

                            // Delete talk page
                            const talkPage = 'Talk:' + targetPage;
                            await api.postWithToken('csrf', {
                                action: 'delete',
                                title: talkPage,
                                reason: 'Parent page deleted via VfD closure [[' + mw.config.get('wgPageName') + ']]',
                                bot: true
                            });

                            alert(`Discussion closed and "${targetPage}" along with its talk page deleted.`);
                            location.reload();

                        } else {
                            // Keep / No consensus
                            const articleData = await api.get({
                                action: 'query',
                                prop: 'revisions',
                                titles: targetPage,
                                rvprop: 'content',
                                format: 'json'
                            });

                            const articlePages = articleData.query.pages;
                            const articleId = Object.keys(articlePages)[0];
                            let articleContent = articlePages[articleId].revisions[0]['*'];
                            articleContent = articleContent.replace(/\{\{vfd-new\}\}/gi, '').trim();

                            await api.postWithToken('csrf', {
                                action: 'edit',
                                title: targetPage,
                                text: articleContent,
                                summary: 'VFD closed as ' + actionObj.name,
                                minor: true,
                                bot: true
                            });

                            // Update talk page
                            const talkData = await api.get({
                                action: 'query',
                                prop: 'revisions',
                                titles: 'Talk:' + targetPage,
                                rvprop: 'content',
                                format: 'json'
                            });

                            const talkPages = talkData.query.pages;
                            const talkId = Object.keys(talkPages)[0];
                            let talkContent = '';
                            if (talkId !== '-1' && talkPages[talkId].revisions) {
                                talkContent = talkPages[talkId].revisions[0]['*'];
                                talkContent = '{{vfd-kept-new}}\n' + talkContent.replace(/^\s+/, '');
                            } else {
                                talkContent = '{{vfd-kept-new}}';
                            }

                            await api.postWithToken('csrf', {
                                action: 'edit',
                                title: 'Talk:' + targetPage,
                                text: talkContent,
                                summary: 'VFD closed as ' + actionObj.name,
                                minor: true,
                                bot: true
                            });

                            alert(`Discussion closed and "${targetPage}" updated. Talk page updated.`);
                            location.reload();
                        }

                    } catch(err) {
                        console.error(err);
                        alert('An error occurred: ' + err);
                    }
                });

                container.appendChild(btn);
            });

            heading.appendChild(container);
        });
    });
});
//</nowiki>