Golden Hour: Any Hour

"use client";

import * as React from "react";

import { GoldenHour } from "@/components/ui/golden-hour";

// The light through a day, for the dial's track: night, dawn, morning, noon,
// afternoon, golden hour, dusk and night again, each at its hour.
const DAY = [
  [0, "#1a1f4a"],
  [5, "#262a5c"],
  [6.2, "#c47c9c"],
  [7.2, "#ffd3a0"],
  [9.5, "#9cc3ee"],
  [12.5, "#78aef0"],
  [15.5, "#c9c6e0"],
  [17.6, "#f68a48"],
  [18.6, "#de4a62"],
  [19.6, "#4a2f72"],
  [21.2, "#1a1f4a"],
  [24, "#1a1f4a"],
] as const;
const TRACK = `linear-gradient(90deg, ${DAY.map(([hour, color]) => `${color} ${((hour / 24) * 100).toFixed(1)}%`).join(", ")})`;

function clockLabel(hour: number) {
  const minutes = Math.round((hour % 24) * 60) % (24 * 60);
  const h = Math.floor(minutes / 60);
  const m = minutes % 60;
  return `${((h + 11) % 12) + 1}:${String(m).padStart(2, "0")} ${h < 12 ? "AM" : "PM"}`;
}

function lightLabel(hour: number) {
  if (hour < 5) return "Night";
  if (hour < 6.6) return "Dawn";
  if (hour < 8) return "Sunrise";
  if (hour < 11) return "Morning";
  if (hour < 14) return "Midday";
  if (hour < 17) return "Afternoon";
  if (hour < 18.3) return "Golden hour";
  if (hour < 19) return "Sunset";
  if (hour < 20.2) return "Dusk";
  return "Night";
}

export function GoldenHourDemo() {
  const [hour, setHour] = React.useState(17.6);
  const label = `${clockLabel(hour)} · ${lightLabel(hour)}`;

  return (
    <div className="w-full max-w-3xl">
      <GoldenHour time={hour} className="aspect-[4/5] w-full rounded-3xl sm:aspect-[16/10]">
        <p className="absolute top-4 left-4 flex items-center gap-2 rounded-full bg-zinc-950/30 py-1.5 pr-3.5 pl-2 text-xs font-medium text-white ring-1 ring-white/15 backdrop-blur-xl">
          <span aria-hidden className="size-4 rounded-full bg-gradient-to-b from-amber-200 to-orange-400 shadow-[0_0_12px_rgba(255,190,110,0.8)]" />
          <span className="tabular-nums">{label}</span>
        </p>
      </GoldenHour>

      <div className="mt-5 flex items-center gap-4 px-1">
        <label htmlFor="golden-hour-dial" className="sr-only">
          Time of day
        </label>
        <div className="flex-1">
          <input
            id="golden-hour-dial"
            type="range"
            min={0}
            max={24}
            step={0.05}
            value={hour}
            aria-valuetext={label}
            onChange={(event) => setHour(Number(event.target.value))}
            style={{ backgroundImage: TRACK }}
            className="block h-2 w-full cursor-pointer appearance-none rounded-full outline-offset-4 focus-visible:outline-2 focus-visible:outline-zinc-950 dark:focus-visible:outline-white [&::-moz-range-thumb]:size-5 [&::-moz-range-thumb]:rounded-full [&::-moz-range-thumb]:border-2 [&::-moz-range-thumb]:border-white [&::-moz-range-thumb]:bg-zinc-950/20 [&::-webkit-slider-thumb]:size-5 [&::-webkit-slider-thumb]:appearance-none [&::-webkit-slider-thumb]:rounded-full [&::-webkit-slider-thumb]:border-2 [&::-webkit-slider-thumb]:border-white [&::-webkit-slider-thumb]:bg-zinc-950/20 [&::-webkit-slider-thumb]:shadow-[0_1px_6px_rgba(0,0,0,0.35)]"
          />
          <div aria-hidden className="mt-2 flex justify-between text-[11px] text-zinc-500 tabular-nums dark:text-zinc-400">
            <span>12 AM</span>
            <span>6 AM</span>
            <span>Noon</span>
            <span>6 PM</span>
            <span>12 AM</span>
          </div>
        </div>
        <button
          type="button"
          onClick={() => {
            const now = new Date();
            setHour(now.getHours() + now.getMinutes() / 60);
          }}
          className="-mt-5 shrink-0 rounded-full px-3 py-1.5 text-xs font-medium text-zinc-700 ring-1 ring-zinc-950/10 transition-[background-color,scale] duration-150 ease-out hover:bg-zinc-950/5 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-zinc-950 active:scale-[0.97] dark:text-zinc-200 dark:ring-white/15 dark:hover:bg-white/10 dark:focus-visible:outline-white"
        >
          Your time
        </button>
      </div>
    </div>
  );
}