235 lines
6.6 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Cross-zone chat</title>
<style>
:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
margin: 0;
font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
background: #0e1116;
color: #e6edf3;
}
header {
padding: 14px 20px;
border-bottom: 1px solid #232a33;
font-size: 15px;
color: #9aa7b4;
}
header b { color: #e6edf3; }
.columns { display: flex; height: calc(100vh - 51px); }
.zone {
flex: 1 1 0;
display: flex;
flex-direction: column;
min-width: 0;
}
.zone + .zone { border-left: 1px solid #232a33; }
.zone h2 {
margin: 0;
padding: 12px 18px;
font-size: 14px;
letter-spacing: .04em;
text-transform: uppercase;
color: #9aa7b4;
border-bottom: 1px solid #232a33;
}
.zone.a h2 { color: #6cb6ff; }
.zone.b h2 { color: #6bd968; }
.log {
flex: 1 1 auto;
overflow-y: auto;
padding: 14px 18px;
display: flex;
flex-direction: column;
gap: 8px;
}
.msg {
background: #161b22;
border: 1px solid #232a33;
border-radius: 10px;
padding: 8px 12px;
max-width: 90%;
word-wrap: break-word;
white-space: pre-wrap;
}
.msg.inflight { border-color: #3a3320; }
.msg .text { margin-bottom: 6px; }
.stages {
display: flex;
flex-wrap: wrap;
gap: 6px;
font-size: 11px;
line-height: 1.4;
color: #9aa7b4;
}
.stage {
display: inline-flex;
align-items: center;
gap: 4px;
padding: 1px 7px;
border-radius: 999px;
border: 1px solid #2d3640;
background: #0e1116;
white-space: nowrap;
}
.stage.todo { opacity: .4; }
.stage.wait { border-color: #6b5a1f; color: #e3b341; }
.stage.done { border-color: #2c5d33; color: #6bd968; }
.stage .blk { color: #6cb6ff; font-variant-numeric: tabular-nums; }
.elapsed { color: #7d8893; font-variant-numeric: tabular-nums; }
.composer {
display: flex;
gap: 8px;
padding: 12px 16px;
border-top: 1px solid #232a33;
}
.composer input {
flex: 1 1 auto;
padding: 9px 12px;
border-radius: 8px;
border: 1px solid #2d3640;
background: #0e1116;
color: #e6edf3;
font-size: 14px;
}
.composer button {
padding: 9px 16px;
border-radius: 8px;
border: 0;
background: #2563eb;
color: #fff;
font-size: 14px;
cursor: pointer;
}
.composer button:disabled { opacity: .5; cursor: default; }
</style>
</head>
<body>
<header>
<b>Cross-zone chat</b> — type in a column; each message shows its journey: sent into a source block, that block reaching <span style="color:#e3b341">Bedrock finality</span>, then <span style="color:#6bd968">delivery</span> into the other zone. The finality wait is the bulk of the latency.
</header>
<div class="columns">
<section class="zone a" data-zone="A">
<h2>Zone A</h2>
<div class="log" id="log-A"></div>
<form class="composer" data-zone="A">
<input type="text" placeholder="Message from Zone A → B" autocomplete="off" />
<button type="submit">Send</button>
</form>
</section>
<section class="zone b" data-zone="B">
<h2>Zone B</h2>
<div class="log" id="log-B"></div>
<form class="composer" data-zone="B">
<input type="text" placeholder="Message from Zone B → A" autocomplete="off" />
<button type="submit">Send</button>
</form>
</section>
</div>
<script>
// id -> { el, textEl, stagesEl } for in-place updates.
const bubbles = new Map();
function stage(cls, label, blockZone, block) {
const span = '<span class="stage ' + cls + '">' + label +
(block != null ? ' <span class="blk">' + blockZone + '#' + block + '</span>' : '') +
'</span>';
return span;
}
function renderStages(m) {
const parts = [];
// 1. submitted into a source block on the sender zone
if (m.source_block != null) {
parts.push(stage('done', 'sent', m.source_zone, m.source_block));
} else {
parts.push(stage('wait', 'sending…'));
}
// 2. Bedrock finality of that source block
if (m.finalized) {
parts.push(stage('done', 'Bedrock ✓ finalized'));
} else if (m.source_block != null) {
parts.push(stage('wait', 'Bedrock ⏳ pending'));
} else {
parts.push(stage('todo', 'Bedrock'));
}
// 3. delivery on the receiver zone
if (m.delivered_block != null) {
parts.push(stage('done', 'delivered', m.zone, m.delivered_block));
} else {
parts.push(stage(m.finalized ? 'wait' : 'todo', 'delivering…'));
}
// elapsed
const t = m.delivered_block != null ? (m.elapsed + 's ✓') : (m.elapsed + 's');
parts.push('<span class="elapsed">' + t + '</span>');
return parts.join('');
}
function upsert(m) {
let b = bubbles.get(m.id);
if (!b) {
const log = document.getElementById('log-' + m.zone);
const el = document.createElement('div');
el.className = 'msg inflight';
const textEl = document.createElement('div');
textEl.className = 'text';
textEl.textContent = m.text;
const stagesEl = document.createElement('div');
stagesEl.className = 'stages';
el.appendChild(textEl);
el.appendChild(stagesEl);
log.appendChild(el);
log.scrollTop = log.scrollHeight;
b = { el, stagesEl };
bubbles.set(m.id, b);
}
b.el.className = 'msg' + (m.delivered_block != null ? '' : ' inflight');
b.stagesEl.innerHTML = renderStages(m);
}
async function poll() {
try {
const res = await fetch('/timeline');
if (!res.ok) return;
const entries = await res.json();
for (const m of entries) upsert(m);
} catch (_) { /* transient; retry next tick */ }
}
for (const form of document.querySelectorAll('form.composer')) {
form.addEventListener('submit', async (ev) => {
ev.preventDefault();
const zone = form.dataset.zone;
const input = form.querySelector('input');
const text = input.value.trim();
if (!text) return;
input.value = '';
try {
const res = await fetch('/send', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ zone, text }),
});
if (!res.ok) {
input.value = text;
input.placeholder = 'send failed: ' + (await res.text());
} else {
poll();
}
} catch (err) {
input.value = text;
input.placeholder = 'send error: ' + err;
}
});
}
setInterval(poll, 1000);
poll();
</script>
</body>
</html>