1 files changed, 46 insertions, 0 deletions
diff --git a/src/wamail/neomutt.js b/src/wamail/neomutt.js
new file mode 100644
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--- /dev/null
+++ b/src/wamail/neomutt.js
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+// Mailbox list for neomutt, regenerated on every sync: one mailbox per chat, ordered
+// like WhatsApp (pinned, then by last activity; archived at the end).
+// The neomutt account includes it with `source`.
+
+import fs from 'node:fs';
+import path from 'node:path';
+import { CACHE_DIR, ensureMaildir } from './store.js';
+
+export function mailboxesPath(account) {
+    return path.join(CACHE_DIR, account, 'mailboxes.muttrc');
+}
+
+// Names come from other people (group names): no quotes, backticks or `$`,
+// which neomutt would interpret on `source`.
+const safe = (s) => String(s ?? '').replace(/[\x00-\x1f'"`$\\]/g, '').trim() || '?';
+const regexEscape = (s) => s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+
+export function writeMailboxes(account, root, state) {
+    const chats = Object.values(state.chats).filter((c) => c.dir);
+    const byActivity = (a, b) => (b.timestamp ?? 0) - (a.timestamp ?? 0);
+    const active = chats.filter((c) => !c.archived).sort((a, b) => (Number(Boolean(b.pinned)) - Number(Boolean(a.pinned))) || byActivity(a, b));
+    const archived = chats.filter((c) => c.archived).sort(byActivity);
+
+    const lines = ['# Generated by `wamail sync` — do not edit by hand.'];
+    if (active[0]) lines.push(`set spoolfile = '${path.join(root, active[0].dir)}'`);
+    if (state.me?.id) lines.push(`alternates '^${regexEscape(state.me.id)}$'`);
+    for (const c of active) {
+        const icon = c.isGroup ? '' : '';
+        lines.push(`named-mailboxes '${icon} ${c.pinned ? ' ' : ''}${safe(c.name)}' '${path.join(root, c.dir)}'`);
+    }
+    for (const c of archived) lines.push(`named-mailboxes ' ${safe(c.name)}' '${path.join(root, c.dir)}'`);
+    ensureMaildir(path.join(root, 'Drafts'));   // neomutt rechaza buzones inexistentes
+    lines.push(`named-mailboxes ' Drafts' '${path.join(root, 'Drafts')}'`);
+
+    const file = mailboxesPath(account);
+    const text = `${lines.join('\n')}\n`;
+    let current = null;
+    try {
+        current = fs.readFileSync(file, 'utf8');
+    } catch { /* primera vez */ }
+    if (current === text) return file;
+    fs.mkdirSync(path.dirname(file), { recursive: true });
+    fs.writeFileSync(`${file}.tmp`, text);
+    fs.renameSync(`${file}.tmp`, file);
+    return file;
+}