"use client";
import { useState } from "react";

/* The reveal control: a button, a reason, a confirmation. On success the page reloads and the
 * server renders the contacts through the reveal role — the values never travel in this response. */
export default function Reveal({ facilityId, minutes }: { facilityId: string; minutes: number }) {
  const [open, setOpen] = useState(false);
  const [reason, setReason] = useState("");
  const [err, setErr] = useState("");
  const [busy, setBusy] = useState(false);

  async function submit(e: React.FormEvent) {
    e.preventDefault();
    setBusy(true); setErr("");
    try {
      const r = await fetch("/api/ops/reveal", { method: "POST", headers: { "content-type": "application/json" }, body: JSON.stringify({ facilityId, reason }) });
      const j = await r.json().catch(() => ({}));
      if (!r.ok) { setErr(j.error || "That didn’t work."); return; }
      window.location.reload();
    } catch {
      setErr("No connection — check the network and try again.");
    } finally {
      setBusy(false);
    }
  }

  if (!open) {
    return <button type="button" className="btn" onClick={() => setOpen(true)} style={{ marginTop: 12 }}>Reveal contacts…</button>;
  }
  return (
    <form onSubmit={submit} style={{ marginTop: 12, display: "grid", gap: 8 }}>
      <label htmlFor="reveal-reason" style={{ fontSize: 11, fontWeight: 700, letterSpacing: "0.1em", textTransform: "uppercase", color: "var(--color-neutral-600)" }}>
        Reason — goes in the trail and the email
      </label>
      <textarea
        id="reveal-reason"
        className="input"
        rows={3}
        maxLength={400}
        value={reason}
        onChange={(e) => setReason(e.target.value)}
        placeholder="e.g. Coordinator emailed support about a restore; calling back."
        autoFocus
        required
      />
      {err && <div role="alert" style={{ border: "2px solid var(--color-accent)", padding: "8px 12px", fontSize: 13, fontWeight: 600, color: "var(--color-accent-700)" }}>{err}</div>}
      <div style={{ display: "flex", gap: 8 }}>
        <button type="submit" className="btn btn-primary" disabled={busy || reason.trim().length < 8}>{busy ? "Revealing…" : `Reveal for ${minutes} minutes`}</button>
        <button type="button" className="btn" onClick={() => { setOpen(false); setErr(""); }} disabled={busy}>Cancel</button>
      </div>
    </form>
  );
}