import { createContext, createMemo, useContext } from "solid-js";
import { createPopupCore } from "../internals/create-popup-core.jsx";
import { readOption } from "../internals/maybe-accessor.jsx";
import { SNAPSHOT_KEYS, snapshotKeys } from "../internals/observability/snapshot.jsx";

/**
 * Why the preview card's open state changed.
 *
 * - `"trigger-hover"` — pointer entered / left the trigger.
 * - `"trigger-focus"` — keyboard focus moved to / from the trigger.
 * - `"escape-key"` — Escape dismissed the card.
 * - `"outside-press"` — pointer pressed outside.
 * - `"imperative"` — `pc.setOpen()` called programmatically.
 */

/**
 * Options for {@link createPreviewCard}.
 */

/**
 * Public API returned by {@link createPreviewCard}.
 */

const PreviewCardContext = createContext(null);

/**
 * Read the nearest {@link PreviewCardApi}. Throws unless `optional` is true.
 */

export function usePreviewCard(optional) {
  const ctx = useContext(PreviewCardContext);
  if (ctx == null && !optional) {
    throw new Error("Base UI: usePreviewCard() must be called inside a <pc.Provider>.");
  }
  return ctx;
}

/**
 * Headless primitive for a preview-card compound. Hover-triggered with open
 * and close delays. DOM machinery lives in `<PreviewCard.Root>`.
 */
export function createPreviewCard(options) {
  const core = createPopupCore({
    open: options.open,
    disabled: options.disabled,
    onOpenChange: options.onOpenChange
  });
  const delay = createMemo(() => readOption(options.delay) ?? 600, {
    name: "previewCard.delay"
  });
  const closeDelay = createMemo(() => readOption(options.closeDelay) ?? 300, {
    name: "previewCard.closeDelay"
  });
  const api = {
    open: core.open,
    disabled: core.disabled,
    delay,
    closeDelay,
    setOpen: core.setOpen,
    toggle: core.toggle,
    Provider: props => <PreviewCardContext value={api}>{props.children}</PreviewCardContext>
  };
  api[SNAPSHOT_KEYS] = PREVIEW_CARD_SNAPSHOT_KEYS;
  return api;
}
const PREVIEW_CARD_SNAPSHOT_KEYS = snapshotKeys("open", "disabled", "delay", "closeDelay");
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