import type { MindNode } from "@mind-map/shared";
import { descriptionChips } from "./description-display";

export const CARD_WIDTH = { comfortable: 288, compact: 248 } as const;
export const CARD_HEADER_H = 40;
export const CARD_PAD_Y = 12;
export const CARD_PAD_X = 14;
export const CARD_GAP = 10;
export const CARD_HERO_H = { comfortable: 108, compact: 90 } as const;
export const CARD_CHIP_H = 18;
export const CARD_FOOTER_H = 24;

/** Layout / hit-test height for a glass card node (title → image → note → chips → footer). */
export function estimateCardSize(
  node: MindNode,
  dens: boolean,
  _forced: ReadonlySet<string> = new Set(),
): { w: number; h: number } {
  const w = dens ? CARD_WIDTH.compact : CARD_WIDTH.comfortable;
  let body = 0;

  if (node.imageUrl?.trim()) {
    body += (dens ? CARD_HERO_H.compact : CARD_HERO_H.comfortable) + CARD_GAP;
  }

  if (node.note?.trim()) {
    body += (dens ? 40 : 48) + CARD_GAP;
  }

  const chips = descriptionChips(node.description);
  if (chips.length) {
    body += chips.length * CARD_CHIP_H + Math.max(0, chips.length - 1) * 4 + CARD_GAP;
  }

  const hasFooter =
    Boolean(node.tags?.length) ||
    Boolean(node.links?.length) ||
    node.startAt != null ||
    node.dueAt != null ||
    Boolean(node.pinned);
  if (hasFooter) {
    body += CARD_FOOTER_H + CARD_GAP;
  }

  if (body > 0) body -= CARD_GAP;
  const h = CARD_HEADER_H + CARD_PAD_Y * 2 + Math.max(body, 8);
  return { w, h: Math.max(h, dens ? 88 : 104) };
}