fix links in chat messages

app/src/main/java/com/nextcloud/talk/ui/chat/ChatMessageScaffold.kt

@@ -136,6 +136,10 @@ private fun shouldShowTimeNextToContent(
 
 private val mentionChipTypes = setOf("user", "guest", "call", "user-group", "email", "circle")
 
+private val parentMessageLinkRegex = Regex(
+    """https?://[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}(/[^\s)]*)?"""
+)
+
 private fun ChatMessageUi.hasMentionChips(): Boolean =
     messageParameters.any { (key, parameter) ->
         message.contains("{$key}") && parameter["type"] in mentionChipTypes
@@ -686,9 +690,13 @@ fun CommonMessageQuote(message: ChatMessageUi) {
                 fontSize = authorTextSize,
                 color = colorResource(R.color.no_emphasis_text)
             )
+
+            val hasParentLink = parentMessageLinkRegex.containsMatchIn(message.message)
+
             EnrichedText(
-                message = message,
-                modifier = Modifier.padding(end = 4.dp),
+                message,
+                Modifier.padding(start = 10.dp),
+                !hasParentLink,
                 maxLines = 4
             )
         }
@@ -800,7 +808,12 @@ internal fun resolveMarkdownSource(message: ChatMessageUi): String {
 }
 
 @Composable
-fun EnrichedText(message: ChatMessageUi, modifier: Modifier, maxLines: Int = Int.MAX_VALUE) {
+fun EnrichedText(
+    message: ChatMessageUi,
+    modifier: Modifier,
+    enableLinks: Boolean = true,
+    maxLines: Int = Int.MAX_VALUE
+) {
     val isInspectionMode = LocalInspectionMode.current
     val isSingleEmoji = !isInspectionMode &&
         message.messageParameters.isEmpty() &&
@@ -824,6 +837,7 @@ fun EnrichedText(message: ChatMessageUi, modifier: Modifier, maxLines: Int = Int
                 color = colorScheme.onSurface,
                 lineHeight = fontSize * LINE_SPACING
             ),
+            enableLinks = enableLinks,
             maxLines = maxLines
         )
     }

app/src/main/java/com/nextcloud/talk/ui/chat/MentionEnrichedText.kt

@@ -38,20 +38,22 @@ fun MentionEnrichedText(
     message: ChatMessageUi,
     modifier: Modifier = Modifier,
     textStyle: TextStyle,
+    enableLinks: Boolean = true,
     maxLines: Int = Int.MAX_VALUE
 ) {
     var isMultilineLayout by remember(message.id, message.message) {
         mutableStateOf(message.message.contains("\n") || message.message.contains("\r"))
     }
     val linkColor = MaterialTheme.colorScheme.primary
     val codeBackground = MaterialTheme.colorScheme.surfaceVariant
-    val richText = remember(message, isMultilineLayout, linkColor, codeBackground, textStyle) {
+    val richText = remember(message, isMultilineLayout, linkColor, codeBackground, textStyle, enableLinks) {
         buildMentionRichText(
             message = message,
             linkColor = linkColor,
             codeBackground = codeBackground,
             textStyle = textStyle,
-            isMultilineLayout = isMultilineLayout
+            isMultilineLayout = isMultilineLayout,
+            enableLinks = enableLinks
         )
     }
     val resolvedTextStyle = if (richText.inlineContent.isEmpty()) {
@@ -76,12 +78,14 @@ fun MentionEnrichedText(
     )
 }
 
+@Suppress("LongParameterList")
 private fun buildMentionRichText(
     message: ChatMessageUi,
     linkColor: Color,
     codeBackground: Color,
     textStyle: TextStyle,
-    isMultilineLayout: Boolean
+    isMultilineLayout: Boolean,
+    enableLinks: Boolean
 ): MentionRichText {
     val inlineContent = linkedMapOf<String, InlineTextContent>()
     var mentionCounter = 0
@@ -136,10 +140,13 @@ private fun buildMentionRichText(
                 token.startsWith("[") -> {
                     val textPart = token.substringAfter("[").substringBefore("]")
                     val url = token.substringAfter("(").substringBefore(")")
-                    appendLinkedToken(textPart, url, linkColor)
+                    appendLinkedToken(textPart, url, linkColor, enableLinks)
                 }
 
-                token.startsWith("http") -> appendLinkedToken(token, token, linkColor)
+                token.startsWith("http") -> appendLinkedToken(token, token, linkColor, enableLinks)
+                token.matches(
+                    Regex("""https?://[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}(/[^\s)]*)?""")
+                ) -> appendLinkedToken(token, token, linkColor, enableLinks)
             }
 
             lastIndex = range.last + 1
@@ -159,11 +166,18 @@ private fun AnnotatedString.Builder.appendStyledToken(text: String, style: SpanS
     addStyle(style, start, length)
 }
 
-private fun AnnotatedString.Builder.appendLinkedToken(text: String, url: String, linkColor: Color) {
+private fun AnnotatedString.Builder.appendLinkedToken(
+    text: String,
+    url: String,
+    linkColor: Color,
+    enableLinks: Boolean
+) {
     val start = length
     append(text)
-    addStyle(SpanStyle(color = linkColor, textDecoration = TextDecoration.Underline), start, length)
-    addLink(LinkAnnotation.Url(url), start, length)
+    if (enableLinks) {
+        addStyle(SpanStyle(color = linkColor, textDecoration = TextDecoration.Underline), start, length)
+        addLink(LinkAnnotation.Url(url), start, length)
+    }
 }
 
 private fun AnnotatedString.Builder.appendFallbackParameter(