feat: support concurrent Reddit accounts

src/web/routes/login.ts

@@ -46,6 +46,18 @@ export function createLoginRouter(ctx: WebContext): Router {
   const router = Router();
 
   router.get('/login/status', async (_req, res) => {
+    const runningAccounts = ctx.services.redditAccounts?.list().filter((account) => account.isRunning) ?? [];
+    if (runningAccounts.length > 0) {
+      const only = runningAccounts.length === 1 ? runningAccounts[0] : null;
+      res.json({
+        ready: true,
+        loggedIn: true,
+        status: 'authenticated',
+        accountId: only?.accountId ?? null,
+        username: only?.redditUsername ?? null,
+      });
+      return;
+    }
     const browser = ctx.services.browser;
     if (!browser) {
       res.status(503).json({ ready: false, error: 'browser not initialised' });
@@ -57,9 +69,16 @@ export function createLoginRouter(ctx: WebContext): Router {
         ? await accountAuth.ensureFullyAuthenticated()
         : await browser.isSessionValid();
       if (fullyAuthenticated) {
-        const username = accountAuth?.getSnapshot().redditUsername
+        const snapshot = accountAuth?.getSnapshot();
+        const username = snapshot?.redditUsername
           ?? await browser.getAuthenticatedUsername();
-        res.json({ ready: true, loggedIn: true, status: 'authenticated', username });
+        res.json({
+          ready: true,
+          loggedIn: true,
+          status: 'authenticated',
+          ...(snapshot?.accountId ? { accountId: snapshot.accountId } : {}),
+          username,
+        });
         return;
       }
 
@@ -97,9 +116,16 @@ export function createLoginRouter(ctx: WebContext): Router {
     }
 
     try {
-      await importer.import(cookies.map(toPlaywrightCookie), payload.data.matrix);
+      const accounts = ctx.services.redditAccounts;
+      if (!accounts) {
+        await importer.import(cookies.map(toPlaywrightCookie), payload.data.matrix);
+        ctx.logger.info(`Imported ${cookies.length} Reddit session cookies and verified the browser session`);
+        res.json({ ok: true, status: 'authenticated' });
+        return;
+      }
+      const account = await accounts.importSession(cookies.map(toPlaywrightCookie), payload.data.matrix);
       ctx.logger.info(`Imported ${cookies.length} Reddit session cookies and verified the browser session`);
-      res.json({ ok: true, status: 'authenticated' });
+      res.json({ ok: true, status: 'authenticated', account });
     } catch (error) {
       ctx.logger.error('Failed to import Reddit session cookies:', error);
       const message = error instanceof Error ? error.message : 'Could not import Reddit session';
@@ -107,5 +133,30 @@ export function createLoginRouter(ctx: WebContext): Router {
     }
   });
 
+  router.get('/accounts', (_req, res) => {
+    const accounts = ctx.services.redditAccounts;
+    if (!accounts) {
+      res.status(503).json({ error: 'Reddit account service not initialised' });
+      return;
+    }
+    res.json(accounts.list());
+  });
+
+  router.post('/accounts/:accountId/activate', async (req, res) => {
+    const accounts = ctx.services.redditAccounts;
+    if (!accounts) {
+      res.status(503).json({ ok: false, error: 'Reddit account service not initialised' });
+      return;
+    }
+    try {
+      const account = await accounts.activate(decodeURIComponent(req.params.accountId));
+      ctx.logger.info(`Activated Reddit account u/${account.redditUsername}`);
+      res.json({ ok: true, account });
+    } catch (error) {
+      ctx.logger.error('Failed to activate Reddit account:', error);
+      res.status(401).json({ ok: false, error: error instanceof Error ? error.message : 'Could not activate Reddit account' });
+    }
+  });
+
   return router;
 }