fun ChatBubbleItem()

in generativeai-android-sample/app/src/main/kotlin/com/google/ai/sample/feature/chat/ChatScreen.kt [113:170]

• 54 lines of code
• 5 McCabe index (conditional complexity)

fun ChatBubbleItem(
    chatMessage: ChatMessage
) {
    val isModelMessage = chatMessage.participant == Participant.MODEL ||
            chatMessage.participant == Participant.ERROR

    val backgroundColor = when (chatMessage.participant) {
        Participant.MODEL -> MaterialTheme.colorScheme.primaryContainer
        Participant.USER -> MaterialTheme.colorScheme.tertiaryContainer
        Participant.ERROR -> MaterialTheme.colorScheme.errorContainer
    }

    val bubbleShape = if (isModelMessage) {
        RoundedCornerShape(4.dp, 20.dp, 20.dp, 20.dp)
    } else {
        RoundedCornerShape(20.dp, 4.dp, 20.dp, 20.dp)
    }

    val horizontalAlignment = if (isModelMessage) {
        Alignment.Start
    } else {
        Alignment.End
    }

    Column(
        horizontalAlignment = horizontalAlignment,
        modifier = Modifier
            .padding(horizontal = 8.dp, vertical = 4.dp)
            .fillMaxWidth()
    ) {
        Text(
            text = chatMessage.participant.name,
            style = MaterialTheme.typography.bodySmall,
            modifier = Modifier.padding(bottom = 4.dp)
        )
        Row {
            if (chatMessage.isPending) {
                CircularProgressIndicator(
                    modifier = Modifier
                        .align(Alignment.CenterVertically)
                        .padding(all = 8.dp)
                )
            }
            BoxWithConstraints {
                Card(
                    colors = CardDefaults.cardColors(containerColor = backgroundColor),
                    shape = bubbleShape,
                    modifier = Modifier.widthIn(0.dp, maxWidth * 0.9f)
                ) {
                    Text(
                        text = chatMessage.text,
                        modifier = Modifier.padding(16.dp)
                    )
                }
            }
        }
    }
}