From 286836f539afc56f572a1e4168a0cb7bf59ddd97 Mon Sep 17 00:00:00 2001
From: byGalax <dennis@landmann.dev>
Date: Thu, 14 May 2026 00:21:11 +0200
Subject: [PATCH] feat(mobile): MessageBubble with reply, attachment,
 reactions, delete state

---
 apps/mobile/components/MessageBubble.tsx | 132 +++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 apps/mobile/components/MessageBubble.tsx

diff --git a/apps/mobile/components/MessageBubble.tsx b/apps/mobile/components/MessageBubble.tsx
new file mode 100644
index 0000000..669b9b2
--- /dev/null
+++ b/apps/mobile/components/MessageBubble.tsx
@@ -0,0 +1,132 @@
+import { chat as chatNs } from '@chat-app/shared';
+import type { DecryptedMessage, MessageReaction } from '@chat-app/shared/chat';
+import { Pressable, StyleSheet, Text, View } from 'react-native';
+
+import { colors } from '../theme/colors';
+import { AttachmentImage } from './AttachmentImage';
+import { ReactionPills } from './ReactionPills';
+
+interface Props {
+  message: DecryptedMessage;
+  mine: boolean;
+  senderName: string;
+  time: string;
+  parent: DecryptedMessage | null;
+  parentSenderName: string;
+  reactions: MessageReaction[];
+  myUserId: string | null;
+  ownDeviceId: string | null;
+  ownPrivateKey: Uint8Array | null;
+  onLongPress: () => void;
+  onToggleReaction: (emoji: string) => void;
+}
+
+// Single message bubble. Renders, in order:
+//   * Reply quote (when this message has a replyToId).
+//   * Body text (or "Nachricht gelöscht" placeholder).
+//   * Image attachment (max 1 in Phase 2 — first one wins).
+//   * Reaction pills.
+// Long-press surfaces the MessageActionsSheet via the onLongPress callback.
+export function MessageBubble({
+  message,
+  mine,
+  senderName,
+  time,
+  parent,
+  parentSenderName,
+  reactions,
+  myUserId,
+  ownDeviceId,
+  ownPrivateKey,
+  onLongPress,
+  onToggleReaction,
+}: Props) {
+  const deleted = message.deletedAt !== null;
+  const parsed = chatNs.parseMessagePayload(message.plaintext);
+  const text = parsed.kind === 'text' ? parsed.text : '';
+  const attachments = parsed.kind === 'text' ? parsed.attachments : [];
+  const firstImage = attachments.find((a) => a.mimeType.startsWith('image/'));
+
+  return (
+    <View style={[styles.wrap, mine ? styles.wrapMine : styles.wrapOther]}>
+      <Pressable
+        onLongPress={onLongPress}
+        delayLongPress={250}
+        style={[styles.bubble, mine ? styles.bubbleMine : styles.bubbleOther]}
+      >
+        {!mine && !deleted && <Text style={styles.sender}>{senderName}</Text>}
+
+        {message.replyToId && (
+          <View style={[styles.replyQuote, mine ? styles.replyQuoteMine : null]}>
+            <Text style={styles.replyAuthor}>{parent ? parentSenderName : 'Original'}</Text>
+            <Text style={styles.replyBody} numberOfLines={2}>
+              {parent
+                ? quotedPreview(parent)
+                : '↩ Original-Nachricht außerhalb dieses Fensters'}
+            </Text>
+          </View>
+        )}
+
+        {deleted ? (
+          <Text style={styles.deleted}>Nachricht gelöscht</Text>
+        ) : (
+          <>
+            {text.length > 0 && <Text style={styles.body}>{text}</Text>}
+            {firstImage && ownDeviceId && ownPrivateKey && (
+              <AttachmentImage
+                handle={firstImage}
+                ownDeviceId={ownDeviceId}
+                ownPrivateKey={ownPrivateKey}
+              />
+            )}
+          </>
+        )}
+
+        <Text style={styles.time}>{time}</Text>
+      </Pressable>
+
+      {!deleted && (
+        <ReactionPills
+          reactions={reactions}
+          myUserId={myUserId}
+          onToggle={onToggleReaction}
+        />
+      )}
+    </View>
+  );
+}
+
+function quotedPreview(m: DecryptedMessage): string {
+  if (m.deletedAt) return '[gelöscht]';
+  const parsed = chatNs.parseMessagePayload(m.plaintext);
+  if (parsed.kind === 'text') {
+    if (parsed.text.length > 0) return parsed.text;
+    if (parsed.attachments.length > 0) return '📎 Anhang';
+  }
+  return '…';
+}
+
+const styles = StyleSheet.create({
+  wrap: { marginVertical: 4, maxWidth: '78%' },
+  wrapMine: { alignSelf: 'flex-end', alignItems: 'flex-end' },
+  wrapOther: { alignSelf: 'flex-start', alignItems: 'flex-start' },
+  bubble: { padding: 10, borderRadius: 14 },
+  bubbleMine: { backgroundColor: colors.accent },
+  bubbleOther: { backgroundColor: colors.surface, borderColor: colors.border, borderWidth: 1 },
+  sender: { color: colors.textMuted, fontSize: 11, fontWeight: '600', marginBottom: 4 },
+  body: { color: colors.text, fontSize: 15, lineHeight: 20 },
+  time: { color: colors.textDim, fontSize: 10, marginTop: 4, textAlign: 'right' },
+  deleted: { color: colors.textMuted, fontSize: 14, fontStyle: 'italic' },
+  replyQuote: {
+    borderLeftWidth: 3,
+    borderLeftColor: colors.accent,
+    paddingLeft: 8,
+    paddingVertical: 4,
+    marginBottom: 6,
+    backgroundColor: colors.bg,
+    borderRadius: 4,
+  },
+  replyQuoteMine: { backgroundColor: 'rgba(0,0,0,0.18)', borderLeftColor: colors.text },
+  replyAuthor: { color: colors.textMuted, fontSize: 11, fontWeight: '700' },
+  replyBody: { color: colors.text, fontSize: 13, opacity: 0.85 },
+});