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Add text chat UI #9

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6e628b3
Add text chat UI
vipyne May 12, 2025
0893573
Rough attempt at js css for text
vipyne May 12, 2025
a8f3eb2
adjust chat and styles
Regaddi May 14, 2025
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7 changes: 7 additions & 0 deletions client/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,13 @@
</div>
<audio id="bot-audio" autoplay></audio>
</div>
<div id="bot-text-container" style="display: none;">
<div id="text-chat-log"></div>
</div>
<form id="input-area" style="display: none;">
<input type="text" id="message-input" placeholder="Type your message to the bot here..." required>
<button type="submit" id="send-btn">Send</button>
</form>
<div class="debug-panel">
<div id="debug-log"></div>
</div>
Expand Down
123 changes: 121 additions & 2 deletions client/src/app.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,11 @@ class WebRTCApp {
private selfViewVideo!: HTMLVideoElement;
private videoContainer!: HTMLElement;
private botName!: HTMLElement;
private msgInput!: HTMLInputElement;
private textContainer!: HTMLElement;
private textChatLog!: HTMLElement;
private botContainer!: HTMLElement;
private inputArea!: HTMLElement;

// State
private connected: boolean = false;
Expand Down Expand Up @@ -133,6 +138,7 @@ class WebRTCApp {
},
onBotTranscript: (transcript) => {
this.log(`Bot transcript: ${transcript.text}`);
this.chatLog(transcript.text.trim(), "Bot");
},

// Media tracks
Expand All @@ -154,7 +160,20 @@ class WebRTCApp {

// Other events
onServerMessage: (msg) => {
this.log(`Server message: ${msg}`);
this.log(`Server message: ${JSON.stringify(msg)}`);

// if server message is about UI; hide UI containers
if ('show_text_container' in msg && msg.show_text_container) {
this.textContainer.style.display = "flex";
this.inputArea.style.display = "flex";
}
if ('show_video_container' in msg && !msg.show_video_container) {
this.videoContainer.style.display = "none";
this.botContainer.style.display = "none";
}
if ('show_debug_container' in msg && !msg.show_debug_container) {
this.debugLog.style.display = "none";
}
},
},
};
Expand Down Expand Up @@ -195,7 +214,10 @@ class WebRTCApp {
this.audioElement = document.getElementById(
"bot-audio"
) as HTMLAudioElement;
this.debugLog = document.getElementById("debug-log") as HTMLElement;
this.debugLog = document.getElementsByClassName("debug-panel")[0] as HTMLElement;
this.textChatLog = document.getElementById(
"text-chat-log"
) as HTMLElement;
this.micToggleBtn = document.getElementById(
"mic-toggle"
) as HTMLButtonElement;
Expand Down Expand Up @@ -228,6 +250,18 @@ class WebRTCApp {
"bot-video-container"
) as HTMLElement;
this.botName = document.getElementById("bot-name") as HTMLElement;
this.msgInput = document.getElementById(
"message-input"
) as HTMLInputElement;
this.textContainer = document.getElementById(
"bot-text-container"
) as HTMLInputElement;
this.botContainer = document.getElementsByClassName(
"bot-container"
)[0] as HTMLElement;
this.inputArea = document.getElementById(
"input-area"
) as HTMLInputElement;
}

private setupDOMEventListeners(): void {
Expand Down Expand Up @@ -306,8 +340,47 @@ class WebRTCApp {
this.cameraChevronBtn.classList.remove("active");
}
});

// Text chat handlers
this.inputArea.addEventListener("submit", (ev) => {
ev.preventDefault();
this.handleTextSubmit();
});
}

async handleTextSubmit() {
const text = this.msgInput.value;
const message = text.trim();

if (message.length === 0) {
return; // Ignore empty messages
}

try {
await this.rtviClient?.action({
service: "llm",
action: "append_to_messages",
arguments: [
{
name: "messages",
value: [
{
role: "user",
content: message,
},
],
},
],
});
this.chatLog(message.trim(), "User");
} catch (e) {
console.error(e);
} finally {
this.msgInput.value = ""
}
};


private togglePopover(popover: HTMLElement, chevronBtn: HTMLElement): void {
popover.classList.toggle("show");
chevronBtn.classList.toggle("active");
Expand Down Expand Up @@ -400,6 +473,49 @@ class WebRTCApp {
}
}

private chatLog(message: string, type: string = "normal"): void {
if (!this.textChatLog) return;

const now = new Date();
const timeString = now.toISOString().replace("T", " ").substring(0, 19);

const entry = document.createElement("div");
entry.classList.add("message")
// Create elements for time, author, and message
const timeElement = document.createElement("span");
timeElement.className = "message-time";
timeElement.textContent = timeString;

const authorElement = document.createElement("span");
authorElement.className = "message-author";
authorElement.textContent = type;

const messageElement = document.createElement("span");
messageElement.className = "message-content";
messageElement.textContent = message.trim();

// Append them to the entry
entry.appendChild(timeElement);
entry.appendChild(authorElement);
entry.appendChild(messageElement);

// Apply styling based on message type
switch (type.toLowerCase()) {
case "user":
entry.classList.add("user-message");
break;
case "bot":
entry.classList.add("bot-message");
break;
case "error":
entry.classList.add("error-message");
break;
}

this.textChatLog.appendChild(entry);
this.textChatLog.scrollTop = this.textChatLog.scrollHeight;
}

private log(message: string, type: string = "normal"): void {
if (!this.debugLog) return;

Expand Down Expand Up @@ -429,6 +545,9 @@ class WebRTCApp {
this.debugLog.innerHTML = "";
this.log("Log cleared", "status");
}
if (this.textChatLog) {
this.textChatLog.innerHTML = "";
}
}

private onConnectedHandler(): void {
Expand Down
119 changes: 115 additions & 4 deletions client/src/style.css
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,21 @@
* SPDX-License-Identifier: BSD 2-Clause License
*/

*,
*::before,
*::after {
box-sizing: border-box;
}

html {
margin: 0;
padding: 0;
height: 100%;
}

body {
margin: 0;
padding: 10px 0 0 0;
padding: 0;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
Arial, sans-serif;
background-color: #f4f4f4;
Expand All @@ -19,6 +31,7 @@ body {
.container {
margin: 0 auto;
max-width: 1500px;
height: 100dvh;
width: 90%;
padding: 0;
display: flex;
Expand Down Expand Up @@ -239,11 +252,12 @@ body {

/* Main content layout */
.main-content {
display: flex;
display: grid;
grid-template-columns: 1fr 1fr;
background-color: #fff;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
width: 100%;
}

/* Make both containers equal width */
Expand All @@ -261,6 +275,7 @@ body {
display: flex;
align-items: center;
justify-content: center;
width: 100%;
}

#bot-video-container {
Expand All @@ -275,12 +290,32 @@ body {
object-fit: contain;
}

#bot-text-container {
aspect-ratio: 32 / 9;
grid-column: span 2;
min-height: 300px;
overflow: hidden;
width: 100%;
}

.debug-panel {
border-left: 1px solid #ddd;
display: flex;
flex-direction: column;
/* Make this panel exactly the same dimensions as the video container */
aspect-ratio: 16 / 9;
width: 100%;
}

#text-chat-log {
background-color: #f8f8f8;
padding: 16px;
font-size: 13px;
line-height: 1.5;
color: #222;
min-height: 100%;
overflow-y: auto;
width: 100%;
}

#debug-log {
Expand Down Expand Up @@ -316,7 +351,45 @@ body {
font-weight: 500;
}

#text-chat-log .message {
padding: 8px;
margin-bottom: 6px;
border-radius: 4px;
background-color: #efefef;
max-width: 90%;
}

#text-chat-log .message-time {
display: inline-block;
font-size: 10px;
color: #aaa;
margin-right: 8px;
}
#text-chat-log .message-author {
display: inline-block;
font-size: 10px;
}
#text-chat-log .message-content {
display: block;
margin-top: 4px;
}

#text-chat-log .user-message {
background: #ddeeff;
color: #1e40af;
font-weight: 500;
margin-left: auto;
}

#text-chat-log .bot-message {
color: #047857;
font-weight: 500;
margin-right: auto;
}


#debug-log .error-message {
background: #ffeeee;
color: #dc2626;
font-weight: 500;
}
Expand Down Expand Up @@ -381,6 +454,34 @@ audio {
display: none; /* Hide audio but keep it functional */
}

#input-area {
display: flex;
grid-column: span 2;
width: 100%;
}

#message-input {
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
margin-right: 10px;
width: 100%;
}

#send-btn {
padding: 10px 16px;
border: none;
border-radius: 4px;
font-weight: 600;
font-size: 14px;
cursor: pointer;
background-color: #4caf50;
color: white;
display: flex;
align-items: center;
justify-content: center;
}

/* Media queries */
@media (max-width: 768px) {
.container {
Expand All @@ -406,7 +507,7 @@ audio {
}

.main-content {
flex-direction: column;
grid-template-columns: 1fr;
}

.bot-container,
Expand All @@ -415,6 +516,16 @@ audio {
flex: 0 0 auto;
}

#bot-text-container {
aspect-ratio: 1 / 1;
grid-column: span 1;
max-height: 50dvh;
}

#input-area {
grid-column: span 1;
}

.debug-panel {
border-left: none;
border-top: 1px solid #ddd;
Expand Down