From 1407af22e38384e2ae789354ed15f6946c6f2113 Mon Sep 17 00:00:00 2001
From: Gigi <dergigi@pm.me>
Date: Fri, 17 Oct 2025 10:50:20 +0200
Subject: [PATCH] feat(debug): interactive /debug page (manual nip04/nip44
 encrypt/decrypt, live logs); add DebugBus and wire signer logs

---
 src/App.tsx              |   5 +-
 src/components/Debug.tsx | 111 +++++++++++++++++++++++++++++----------
 src/utils/debugBus.ts    |  36 +++++++++++++
 3 files changed, 122 insertions(+), 30 deletions(-)
 create mode 100644 src/utils/debugBus.ts

diff --git a/src/App.tsx b/src/App.tsx
index f368f1fb..623a975b 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -10,6 +10,7 @@ import { RelayPool } from 'applesauce-relay'
 import { NostrConnectSigner } from 'applesauce-signers'
 import { getDefaultBunkerPermissions } from './services/nostrConnect'
 import { createAddressLoader } from 'applesauce-loaders/loaders'
+import Debug from './components/Debug'
 import Bookmarks from './components/Bookmarks'
 import RouteDebug from './components/RouteDebug'
 import Toast from './components/Toast'
@@ -17,7 +18,7 @@ import { useToast } from './hooks/useToast'
 import { useOnlineStatus } from './hooks/useOnlineStatus'
 import { RELAYS } from './config/relays'
 import { SkeletonThemeProvider } from './components/Skeletons'
-import Debug from './components/Debug'
+import { DebugBus } from './utils/debugBus'
 
 const DEFAULT_ARTICLE = import.meta.env.VITE_DEFAULT_ARTICLE_NADDR || 
   'naddr1qvzqqqr4gupzqmjxss3dld622uu8q25gywum9qtg4w4cv4064jmg20xsac2aam5nqqxnzd3cxqmrzv3exgmr2wfesgsmew'
@@ -336,6 +337,7 @@ function App() {
                         contentLength: typeof content === 'string' ? content.length : undefined
                       }
                       console.log('[bunker] publish via signer:', summary)
+                      try { DebugBus.info('bunker', 'publish', summary) } catch {}
                     } catch (err) { console.warn('[bunker] failed to log publish summary', err) }
                     return originalPublish(relays, event)
                   }
@@ -343,6 +345,7 @@ function App() {
                   ;(recreatedSigner as unknown as { subscriptionMethod: (relays: string[], filters: unknown[]) => unknown }).subscriptionMethod = (relays: string[], filters: unknown[]) => {
                     try {
                       console.log('[bunker] subscribe via signer:', { relays, filters })
+                      try { DebugBus.info('bunker', 'subscribe', { relays, filters }) } catch {}
                     } catch (err) { console.warn('[bunker] failed to log subscribe summary', err) }
                     return originalSubscribe(relays, filters)
                   }
diff --git a/src/components/Debug.tsx b/src/components/Debug.tsx
index 22918495..56256bba 100644
--- a/src/components/Debug.tsx
+++ b/src/components/Debug.tsx
@@ -1,55 +1,108 @@
-import React, { useMemo, useState } from 'react'
+import React, { useEffect, useMemo, useState } from 'react'
 import { Hooks } from 'applesauce-react'
+import { DebugBus, type DebugLogEntry } from '../utils/debugBus'
+
+const defaultPayload = 'The quick brown fox jumps over the lazy dog.'
 
 const Debug: React.FC = () => {
   const activeAccount = Hooks.useActiveAccount()
-  const [result, setResult] = useState<string>('')
-  const [error, setError] = useState<string>('')
+  const [payload, setPayload] = useState<string>(defaultPayload)
+  const [cipher44, setCipher44] = useState<string>('')
+  const [cipher04, setCipher04] = useState<string>('')
+  const [plain44, setPlain44] = useState<string>('')
+  const [plain04, setPlain04] = useState<string>('')
+  const [logs, setLogs] = useState<DebugLogEntry[]>(DebugBus.snapshot())
+
+  useEffect(() => {
+    return DebugBus.subscribe((e) => setLogs(prev => [...prev, e].slice(-300)))
+  }, [])
 
   const signer = useMemo(() => (activeAccount as unknown as { signer?: unknown })?.signer, [activeAccount])
-  const hasNip04 = typeof (signer as { nip04?: { encrypt?: unknown; decrypt?: unknown } } | undefined)?.nip04?.encrypt === 'function'
-  const hasNip44 = typeof (signer as { nip44?: { encrypt?: unknown; decrypt?: unknown } } | undefined)?.nip44?.encrypt === 'function'
   const pubkey = (activeAccount as unknown as { pubkey?: string })?.pubkey
 
-  const doRoundtrip = async (mode: 'nip04' | 'nip44') => {
-    setResult('')
-    setError('')
-    if (!signer || !pubkey) {
-      setError('No active signer/pubkey')
-      return
-    }
+  const hasNip04 = typeof (signer as { nip04?: { encrypt?: unknown; decrypt?: unknown } } | undefined)?.nip04?.encrypt === 'function'
+  const hasNip44 = typeof (signer as { nip44?: { encrypt?: unknown; decrypt?: unknown } } | undefined)?.nip44?.encrypt === 'function'
+
+  const doEncrypt = async (mode: 'nip44' | 'nip04') => {
+    if (!signer || !pubkey) return
     try {
       const api = (signer as any)[mode]
-      if (!api || typeof api.encrypt !== 'function' || typeof api.decrypt !== 'function') {
-        setError(`${mode} not available on signer`)
+      DebugBus.info('debug', `encrypt start ${mode}`, { pubkey, len: payload.length })
+      const cipher = await api.encrypt(pubkey, payload)
+      DebugBus.info('debug', `encrypt done ${mode}`, { len: typeof cipher === 'string' ? cipher.length : -1 })
+      if (mode === 'nip44') setCipher44(cipher)
+      else setCipher04(cipher)
+    } catch (e) {
+      DebugBus.error('debug', `encrypt error ${mode}`, e instanceof Error ? e.message : String(e))
+    }
+  }
+
+  const doDecrypt = async (mode: 'nip44' | 'nip04') => {
+    if (!signer || !pubkey) return
+    try {
+      const api = (signer as any)[mode]
+      const cipher = mode === 'nip44' ? cipher44 : cipher04
+      if (!cipher) {
+        DebugBus.warn('debug', `no cipher to decrypt for ${mode}`)
         return
       }
-      const cipher = await api.encrypt(pubkey, `debug-${mode}-${Date.now()}`)
+      DebugBus.info('debug', `decrypt start ${mode}`, { len: cipher.length })
       const plain = await api.decrypt(pubkey, cipher)
-      setResult(String(plain))
+      DebugBus.info('debug', `decrypt done ${mode}`, { len: typeof plain === 'string' ? plain.length : -1 })
+      if (mode === 'nip44') setPlain44(String(plain))
+      else setPlain04(String(plain))
     } catch (e) {
-      setError(e instanceof Error ? e.message : String(e))
+      DebugBus.error('debug', `decrypt error ${mode}`, e instanceof Error ? e.message : String(e))
     }
   }
 
   return (
     <div className="content-panel">
-      <h2>Debug / NIP-46 Echo</h2>
+      <h2>Debug / NIP-46 Tools</h2>
       <div className="card">
         <div className="card-body">
           <div>Active pubkey: <code>{pubkey || 'none'}</code></div>
-          <div>Signer has nip04: <strong>{hasNip04 ? 'yes' : 'no'}</strong></div>
-          <div>Signer has nip44: <strong>{hasNip44 ? 'yes' : 'no'}</strong></div>
-          <div className="flex gap-2 mt-3">
-            <button className="btn btn-primary" onClick={() => doRoundtrip('nip44')} disabled={!hasNip44}>Probe nip44 encrypt→decrypt</button>
-            <button className="btn" onClick={() => doRoundtrip('nip04')} disabled={!hasNip04}>Probe nip04 encrypt→decrypt</button>
+          <div className="grid" style={{ gap: 8 }}>
+            <label>Payload</label>
+            <textarea className="textarea" value={payload} onChange={e => setPayload(e.target.value)} rows={3} />
+            <div className="flex gap-2 mt-2">
+              <button className="btn btn-primary" onClick={() => doEncrypt('nip44')} disabled={!hasNip44}>Encrypt (nip44)</button>
+              <button className="btn" onClick={() => doEncrypt('nip04')} disabled={!hasNip04}>Encrypt (nip04)</button>
+              <button className="btn btn-outline" onClick={() => { setCipher44(''); setCipher04(''); setPlain44(''); setPlain04(''); }}>Clear</button>
+            </div>
+          </div>
+          <div className="grid mt-3" style={{ gap: 8 }}>
+            <label>nip44 cipher</label>
+            <textarea className="textarea" value={cipher44} readOnly rows={2} />
+            <div className="flex gap-2">
+              <button className="btn btn-secondary" onClick={() => doDecrypt('nip44')} disabled={!cipher44}>Decrypt (nip44)</button>
+              <span>Plain: <code>{plain44}</code></span>
+            </div>
+          </div>
+          <div className="grid mt-3" style={{ gap: 8 }}>
+            <label>nip04 cipher</label>
+            <textarea className="textarea" value={cipher04} readOnly rows={2} />
+            <div className="flex gap-2">
+              <button className="btn btn-secondary" onClick={() => doDecrypt('nip04')} disabled={!cipher04}>Decrypt (nip04)</button>
+              <span>Plain: <code>{plain04}</code></span>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div className="card mt-4">
+        <div className="card-body">
+          <h3>Live Logs</h3>
+          <div style={{ maxHeight: 260, overflow: 'auto', fontFamily: 'monospace', fontSize: 12 }}>
+            {logs.slice(-200).map((l, i) => (
+              <div key={i}>
+                [{new Date(l.ts).toLocaleTimeString()}] {l.level.toUpperCase()} {l.source}: {l.message}
+                {l.data !== undefined && (
+                  <span> — {typeof l.data === 'string' ? l.data : JSON.stringify(l.data)}</span>
+                )}
+              </div>
+            ))}
           </div>
-          {result && (
-            <div className="alert alert-success mt-3">Plaintext: <code>{result}</code></div>
-          )}
-          {error && (
-            <div className="alert alert-error mt-3">Error: {error}</div>
-          )}
         </div>
       </div>
     </div>
diff --git a/src/utils/debugBus.ts b/src/utils/debugBus.ts
new file mode 100644
index 00000000..a0d7e88c
--- /dev/null
+++ b/src/utils/debugBus.ts
@@ -0,0 +1,36 @@
+export type DebugLevel = 'info' | 'warn' | 'error'
+
+export interface DebugLogEntry {
+  ts: number
+  level: DebugLevel
+  source: string
+  message: string
+  data?: unknown
+}
+
+type Listener = (entry: DebugLogEntry) => void
+
+const listeners = new Set<Listener>()
+const buffer: DebugLogEntry[] = []
+const MAX_BUFFER = 300
+
+export const DebugBus = {
+  log(level: DebugLevel, source: string, message: string, data?: unknown): void {
+    const entry: DebugLogEntry = { ts: Date.now(), level, source, message, data }
+    buffer.push(entry)
+    if (buffer.length > MAX_BUFFER) buffer.shift()
+    listeners.forEach(l => {
+      try { l(entry) } catch {}
+    })
+  },
+  info(source: string, message: string, data?: unknown): void { this.log('info', source, message, data) },
+  warn(source: string, message: string, data?: unknown): void { this.log('warn', source, message, data) },
+  error(source: string, message: string, data?: unknown): void { this.log('error', source, message, data) },
+  subscribe(listener: Listener): () => void {
+    listeners.add(listener)
+    return () => listeners.delete(listener)
+  },
+  snapshot(): DebugLogEntry[] { return buffer.slice() }
+}
+
+