"use client";

import { useState } from "react";
import { InlineSpinner } from "@/components/inline-spinner";
import {
  CHOICE_STOP_LABEL,
  type RectificationChoiceCard as ChoiceCard,
} from "@/lib/rectification-agentic/v9/choice-card";
import type { ChoiceKey } from "@/lib/rectification-agentic/v9/choice-card";

type RectificationChoiceCardProps = Readonly<{
  card: ChoiceCard;
  pending: boolean;
  disabled: boolean;
  selectedKey?: ChoiceKey | "stop" | "skip_probe" | "";
  onSelect: (key: ChoiceKey) => void;
  onStop: () => void;
  variant?: "card" | "embedded";
  hidePrompt?: boolean;
}>;

export function RectificationChoiceCard(props: RectificationChoiceCardProps) {
  const [localSelected, setLocalSelected] = useState<ChoiceKey | "stop" | "skip_probe" | "">("");
  const selectedKey = props.selectedKey || localSelected;
  const answered = Boolean(selectedKey);

  function select(key: ChoiceKey) {
    if (props.pending || props.disabled || selectedKey) return;
    setLocalSelected(key);
    props.onSelect(key);
  }

  function stop() {
    if (props.pending || props.disabled || selectedKey) return;
    setLocalSelected("stop");
    props.onStop();
  }

  const embedded = props.variant === "embedded";
  const hidePrompt = embedded || props.hidePrompt === true;

  return (
    <section
      className={`rectification-choice-card${embedded ? " is-embedded" : ""}${props.pending ? " is-pending" : ""}${answered ? " is-answered" : ""}`}
      aria-label={props.card.scoring ? "校正判断" : "盘外核对"}
    >
      {props.pending && answered ? (
        // The tap is being recorded: the same live-row shape as a timeline step,
        // so the card itself says something is happening.
        <p className="rectification-choice-card__pending" role="status">
          <InlineSpinner size={12} />
          <span className="agent-activity-status__text">正在记录…</span>
        </p>
      ) : null}
      <fieldset
        className="birth-time-choice-question"
        disabled={props.pending || props.disabled || answered}
        data-answered={answered ? "true" : "false"}
      >
        {hidePrompt
          ? <legend className="sr-only">{props.card.prompt}</legend>
          : <legend>{props.card.prompt}</legend>}
        {!hidePrompt && props.card.why_user ? (
          <details className="rectification-choice-why-user">
            <summary>为什么问这题</summary>
            <p>{props.card.why_user}</p>
          </details>
        ) : null}
        <div className="birth-time-primary-choices">
          {props.card.options.map((option) => (
            <button
              key={option.key}
              type="button"
              className="birth-time-choice-option is-primary"
              data-selected={selectedKey === option.key ? "true" : "false"}
              onClick={() => select(option.key)}
            >
              <strong>{option.key}.</strong> {option.label}
            </button>
          ))}
          {props.card.stop_label !== CHOICE_STOP_LABEL ? (
            <button
              type="button"
              className="birth-time-choice-option is-primary"
              data-selected={selectedKey === "stop" || selectedKey === "skip_probe" ? "true" : "false"}
              onClick={stop}
            >
              {props.card.stop_label}
            </button>
          ) : null}
        </div>
      </fieldset>
    </section>
  );
}