import { useState } from "react";

/**
 * Pre-launch email capture. Front-end demo only: on submit it shows a success
 * state. Wire `postEmail` to the real CRM endpoint (FluentCRM tag `prelaunch`)
 * when the backend is ready.
 */
export default function EmailForm({ className = "", cta = "Send it to me" }) {
  const [email, setEmail] = useState("");
  const [done, setDone] = useState(false);

  async function onSubmit(e) {
    e.preventDefault();
    if (!email) return;
    // TODO: await postEmail(email)  — POST to CRM, then setDone(true)
    setDone(true);
  }

  if (done) {
    return (
      <p className="ok-msg" role="status">
        ✓ You’re on the list — check your inbox for the preview chapter.
      </p>
    );
  }

  return (
    <form className={className} onSubmit={onSubmit} noValidate>
      <input
        className="field"
        type="email"
        required
        placeholder="you@work.com"
        aria-label="Email address"
        value={email}
        onChange={(e) => setEmail(e.target.value)}
      />
      <button className="btn btn-primary" type="submit">
        {cta}
      </button>
    </form>
  );
}