import { useState } from "react";
import PageShell from "../components/PageShell.jsx";

/* ═══════════════════════════════════════════════════════════════
   Feedback page.

   Section ids match the nav hashes. Right now there's one:
   #website. Add more entries to SECTIONS (bottom of file) as the
   page grows — program feedback, retreat surveys, etc.

   Nothing is persisted. handleSubmit just flips to the thank-you
   panel; the POST goes where the comment marks it.
   ═══════════════════════════════════════════════════════════════ */

const ACCENT = "#138ba0";
const MUTED = "#4a6b72";
const MAX_CHARS = 1500;

// Selectable feedback types. Add or reword freely — the grid reflows.
const FEEDBACK_TYPES = [
  {
    id: "broken",
    label: "Something's broken",
    hint: "A link, image, or button that doesn't work",
  },
  {
    id: "confusing",
    label: "Hard to use",
    hint: "Something you couldn't find or follow",
  },
  {
    id: "outdated",
    label: "Wrong or missing info",
    hint: "Old dates, typos, an event that isn't listed",
  },
  {
    id: "request",
    label: "Feature request",
    hint: "Something you'd like the site to do",
  },
  {
    id: "praise",
    label: "Kind words",
    hint: "Tell us what's working well",
  },
  {
    id: "other",
    label: "Something else",
    hint: "Anything that doesn't fit the boxes above",
  },
];

/* ── Shared field chrome ─────────────────────────────────────── */

const fieldClass =
  "w-full rounded-xl border border-[#4a6b72]/25 bg-white px-4 py-3 text-[#26454c] " +
  "placeholder:text-[#4a6b72]/50 outline-none transition-colors " +
  "focus:border-[#138ba0] focus:ring-2 focus:ring-[#138ba0]/25";

function OptionalTag() {
  return (
    <span className="ml-2 rounded-full bg-[#eef9fb] px-2 py-0.5 text-xs font-medium text-[#138ba0]">
      Optional
    </span>
  );
}

/* ── Type picker ─────────────────────────────────────────────── */

function TypePicker({ value, onChange }) {
  return (
    <fieldset>
      <legend className="text-base font-semibold text-[#26454c]">
        What kind of feedback is this?
      </legend>
      <p className="mt-1 text-sm" style={{ color: MUTED }}>
        Pick the closest fit. It helps us route it to the right person.
      </p>

      <div className="mt-4 grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
        {FEEDBACK_TYPES.map((type) => {
          const selected = value === type.id;
          return (
            <label key={type.id} className="cursor-pointer">
              <input
                type="radio"
                name="feedbackType"
                value={type.id}
                checked={selected}
                onChange={() => onChange(type.id)}
                className="peer sr-only"
              />
              <span
                className={
                  "flex h-full flex-col gap-1 rounded-xl border p-4 transition-colors " +
                  "peer-focus-visible:ring-2 peer-focus-visible:ring-[#138ba0]/40 " +
                  (selected
                    ? "border-[#138ba0] bg-[#eef9fb]"
                    : "border-[#4a6b72]/20 bg-white hover:border-[#138ba0]/50")
                }
              >
                <span className="flex items-start justify-between gap-2">
                  <span className="font-semibold text-[#26454c]">
                    {type.label}
                  </span>
                  <span
                    aria-hidden="true"
                    className={
                      "mt-0.5 h-4 w-4 shrink-0 rounded-full border-2 transition-colors " +
                      (selected
                        ? "border-[#138ba0] bg-[#138ba0] ring-2 ring-inset ring-white"
                        : "border-[#4a6b72]/30")
                    }
                  />
                </span>
                <span className="text-sm leading-snug" style={{ color: MUTED }}>
                  {type.hint}
                </span>
              </span>
            </label>
          );
        })}
      </div>
    </fieldset>
  );
}

/* ── The form ────────────────────────────────────────────────── */

function WebsiteFeedbackForm() {
  const [type, setType] = useState(null);
  const [message, setMessage] = useState("");
  const [name, setName] = useState("");
  const [email, setEmail] = useState("");
  const [sent, setSent] = useState(false);

  const ready = Boolean(type) && message.trim().length > 0;

  function handleSubmit(event) {
    event.preventDefault();
    if (!ready) return;
    // TODO: POST { type, message, name, email } somewhere.
    setSent(true);
  }

  function reset() {
    setType(null);
    setMessage("");
    setName("");
    setEmail("");
    setSent(false);
  }

  if (sent) {
    return (
      <div
        aria-live="polite"
        className="rounded-2xl border border-[#138ba0]/20 bg-white p-8 sm:p-10"
      >
        <h3 className="text-2xl font-bold" style={{ color: ACCENT }}>
          Thanks — we've got it
        </h3>
        <p className="mt-3 max-w-prose" style={{ color: MUTED }}>
          {email
            ? `We'll follow up at ${email} if we have questions.`
            : "You sent this anonymously, so we won't be able to reply — but we read everything that comes in."}
        </p>
        <button
          type="button"
          onClick={reset}
          className="mt-6 rounded-full border border-[#138ba0] px-5 py-2.5 font-semibold text-[#138ba0] transition-colors hover:bg-[#eef9fb] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#138ba0]/40"
        >
          Send more feedback
        </button>
      </div>
    );
  }

  return (
    <form
      onSubmit={handleSubmit}
      noValidate
      className="rounded-2xl border border-[#138ba0]/20 bg-white p-6 sm:p-8"
    >
      <TypePicker value={type} onChange={setType} />

      {/* Message */}
      <div className="mt-10">
        <label
          htmlFor="feedback-message"
          className="text-base font-semibold text-[#26454c]"
        >
          Tell us more
        </label>
        <p className="mt-1 text-sm" style={{ color: MUTED }}>
          The page you were on and what you expected to happen are the two most
          useful things you can give us.
        </p>
        <textarea
          id="feedback-message"
          rows={7}
          maxLength={MAX_CHARS}
          value={message}
          onChange={(e) => setMessage(e.target.value)}
          placeholder="I was looking for the summer retreat dates on the Events page and…"
          className={`mt-4 resize-y ${fieldClass}`}
        />
        <div className="mt-2 text-right text-xs tabular-nums" style={{ color: MUTED }}>
          {message.length} / {MAX_CHARS}
        </div>
      </div>

      {/* Optional contact details */}
      <div className="mt-8 rounded-xl border border-dashed border-[#4a6b72]/30 bg-[#eef9fb]/60 p-5 sm:p-6">
        <div className="flex flex-wrap items-center">
          <h3 className="text-base font-semibold text-[#26454c]">
            Your details
          </h3>
          <OptionalTag />
        </div>
        <p className="mt-1 max-w-prose text-sm" style={{ color: MUTED }}>
          Leave these blank and your feedback comes through anonymously. Fill
          them in only if you'd like a reply — we won't add you to any list.
        </p>

        <div className="mt-5 grid gap-4 sm:grid-cols-2">
          <div>
            <label
              htmlFor="feedback-name"
              className="block text-sm font-medium text-[#26454c]"
            >
              Name <span className="font-normal text-[#4a6b72]">(optional)</span>
            </label>
            <input
              id="feedback-name"
              type="text"
              autoComplete="name"
              value={name}
              onChange={(e) => setName(e.target.value)}
              className={`mt-2 ${fieldClass}`}
            />
          </div>
          <div>
            <label
              htmlFor="feedback-email"
              className="block text-sm font-medium text-[#26454c]"
            >
              Email <span className="font-normal text-[#4a6b72]">(optional)</span>
            </label>
            <input
              id="feedback-email"
              type="email"
              autoComplete="email"
              value={email}
              onChange={(e) => setEmail(e.target.value)}
              className={`mt-2 ${fieldClass}`}
            />
          </div>
        </div>
      </div>

      {/* Submit */}
      <div className="mt-8 flex flex-wrap items-center gap-4">
        <button
          type="submit"
          disabled={!ready}
          className="rounded-full bg-[#138ba0] px-7 py-3 font-semibold text-white transition-colors hover:bg-[#0f7183] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#138ba0]/40 disabled:cursor-not-allowed disabled:bg-[#4a6b72]/25 disabled:text-white/80"
        >
          Send feedback
        </button>
        {!ready && (
          <p className="text-sm" style={{ color: MUTED }}>
            Choose a type and write a note to send.
          </p>
        )}
      </div>
    </form>
  );
}

/* ── Page ────────────────────────────────────────────────────── */

const SECTIONS = [
  {
    id: "website",
    title: "Website Feedback and Requests",
    blurb:
      "Found a broken link, spotted something out of date, or want the site to do something it doesn't? This form goes straight to the people who maintain it.",
    accent: ACCENT,
    background: "#eef9fb",
    content: (
      <div className="mx-auto max-w-3xl px-6">
        <WebsiteFeedbackForm />
      </div>
    ),
  },
];

export default function FeedbackPage() {
  return (
    <PageShell
      title="Feedback"
      intro="Tell us what's working, what isn't, and what you'd like to see next."
      sections={SECTIONS}
    />
  );
}