Zeno Progress: Deploy Log

"use client";

import * as React from "react";
import { AnimatePresence, motion, useInView } from "motion/react";

import { ZenoProgress } from "@/components/ui/zeno-progress";

type Line = { at: number; text: string; phase: string; tone?: "dim" | "ok" | "wait" };

// ms from the start of the run. The health check hangs on purpose: nothing
// arrives for seconds, and the bar's ruler zooms the whole time.
const script: Line[] = [
  { at: 300, text: "Cloning acme/storefront@8f3c2a1", phase: "Cloning" },
  { at: 900, text: "Restored build cache (412 MB)", phase: "Cloning", tone: "dim" },
  { at: 1500, text: "$ npm ci", phase: "Installing" },
  { at: 2300, text: "added 1284 packages in 2.7s", phase: "Installing", tone: "dim" },
  { at: 2900, text: "$ next build", phase: "Building" },
  { at: 3700, text: "✓ Compiled successfully in 2.9s", phase: "Building", tone: "ok" },
  { at: 4300, text: "✓ Generating static pages (42/42)", phase: "Building", tone: "ok" },
  { at: 4900, text: "Uploading build output (18.4 MB)", phase: "Uploading" },
  { at: 5600, text: "Starting 3 instances in iad1", phase: "Starting" },
  { at: 6200, text: "Waiting for health check…", phase: "Waiting for health check", tone: "wait" },
  { at: 13800, text: "✓ GET /api/health 200 in 41ms", phase: "Waiting for health check", tone: "ok" },
];
const DONE_AT = 14300;

const toneClass = {
  dim: "text-zinc-500",
  ok: "text-emerald-400",
  wait: "text-amber-300",
} as const;

export function ZenoProgressDeployDemo() {
  const ref = React.useRef<HTMLDivElement>(null);
  const inView = useInView(ref, { once: true, amount: 0.4 });
  const [run, setRun] = React.useState(0);
  const [elapsed, setElapsed] = React.useState(0);

  React.useEffect(() => {
    if (!inView) return;
    const start = performance.now();
    const timer = window.setInterval(() => {
      const t = performance.now() - start;
      setElapsed(Math.min(t, DONE_AT));
      if (t >= DONE_AT) window.clearInterval(timer);
    }, 100);
    return () => window.clearInterval(timer);
  }, [inView, run]);

  const lines = script.filter((line) => line.at <= elapsed);
  const done = elapsed >= DONE_AT;
  const phase = lines.at(-1)?.phase ?? "Queued";

  const redeploy = () => {
    setElapsed(0);
    setRun((r) => r + 1);
  };

  return (
    <div
      ref={ref}
      className="w-full max-w-xl overflow-hidden rounded-2xl border border-zinc-800 bg-zinc-950 font-mono text-[13px] text-zinc-300 shadow-sm"
    >
      <div className="border-b border-zinc-800/80 px-4 pt-3.5 pb-3">
        <div className="mb-3 flex items-center justify-between gap-3 font-sans">
          <div className="flex min-w-0 items-center gap-2">
            <span className="size-2 shrink-0 rounded-full bg-emerald-400/90" aria-hidden />
            <span className="truncate text-sm font-medium text-zinc-100">storefront</span>
            <span className="shrink-0 rounded-full border border-zinc-800 px-2 py-0.5 text-xs text-zinc-400">
              production
            </span>
          </div>
          <button
            type="button"
            onClick={redeploy}
            disabled={!done}
            className="shrink-0 rounded-full border border-zinc-700 px-3 py-1 text-xs font-medium text-zinc-200 transition-[opacity,transform] hover:bg-zinc-900 active:scale-[0.97] disabled:opacity-40"
          >
            Redeploy
          </button>
        </div>
        <ZenoProgress
          key={inView ? "live" : "idle"}
          done={done}
          label={phase}
          doneLabel="Deployed to storefront.acme.app"
          interval={1500}
          className="font-sans text-zinc-400"
          barClassName="text-zinc-100"
        />
      </div>

      <div className="flex h-64 flex-col justify-end overflow-hidden px-4 py-3 leading-6">
        <AnimatePresence initial={false}>
          {lines.map((line) => (
            <motion.div
              key={`${run}-${line.at}`}
              layout="position"
              initial={{ opacity: 0, y: 6 }}
              animate={{ opacity: 1, y: 0 }}
              transition={{ type: "spring", visualDuration: 0.3, bounce: 0 }}
              className={`truncate ${line.tone ? toneClass[line.tone] : ""}`}
            >
              {line.text}
            </motion.div>
          ))}
          {done ? (
            <motion.div
              key={`${run}-done`}
              layout="position"
              initial={{ opacity: 0, y: 6 }}
              animate={{ opacity: 1, y: 0 }}
              transition={{ type: "spring", visualDuration: 0.3, bounce: 0 }}
              className="truncate text-zinc-100"
            >
              ▲ Deployed in 14.3s
            </motion.div>
          ) : null}
        </AnimatePresence>
      </div>
    </div>
  );
}