/**
 * Helpers for the Workshop, craft and Tabletop pages: ordering, craft seals,
 * make photos, the sword rack, and which pill a state wears.
 */
import type { SealName } from "@gk/ui/components/seals.ts";
import type { Note } from "./content.ts";
import { mediaSrc, type SiteIndex } from "./site.ts";

type Pill = "live" | "state" | "current" | "neutral";

/** By `order`, notes without one last, then by title. */
export function byOrder<T extends Note>(notes: T[]): T[] {
  const o = (n: Note) => ((n.data as { order?: number }).order ?? Number.MAX_SAFE_INTEGER);
  return [...notes].sort((a, b) => o(a) - o(b) || a.title.localeCompare(b.title));
}

/** Newest `date` first; undated notes keep their order after the dated ones. */
export function byDateDesc<T extends Note>(notes: T[]): T[] {
  const d = (n: Note) => String((n.data as { date?: string }).date ?? "");
  return [...notes].sort((a, b) => d(b).localeCompare(d(a)));
}

/** A craft's own seal: dice crafts, leather, print and paper. Undefined means the family seal. */
export function craftSeal(craft: Note<"craft">): SealName | undefined {
  const text = `${craft.title} ${craft.data.blurb ?? ""}`.toLowerCase();
  if (/leather/.test(text)) return "craft-leather";
  if (/dice|resin/.test(text)) return "craft-dice";
  if (/print|paper|bookbind|card|decal/.test(text)) return "craft-print";
  return undefined;
}

/** A make's photos as image addresses (the `photos` list, else its `cover`). */
export function makePhotos(make: Note<"make">): string[] {
  const d = make.data as { photos?: string[]; cover?: string };
  const list = d.photos?.length ? d.photos : d.cover ? [d.cover] : [];
  return list.map((p) => mediaSrc(p)).filter((x): x is string => !!x);
}

/** Makes tagged for the sword rack. */
export function isSword(make: Note<"make">): boolean {
  const tags = make.data.tags ?? [];
  return tags.some((t) => /sword/i.test(t));
}

/** The makes of a craft. */
export function makesOf(s: SiteIndex, craft: Note<"craft">): Note<"make">[] {
  return s.all("make").filter((m) => s.byName(m.data.craft)?.path === craft.path);
}

/** Build logs for a craft: posts linking to it or its makes. */
export function buildLogs(s: SiteIndex, craft: Note<"craft">): Note<"post">[] {
  return s.backlinks(craft, { type: "post" }) as Note<"post">[];
}

/** The tools of a craft, as notes where published, in the craft's order. */
export function toolsOf(s: SiteIndex, craft: Note<"craft">): { title: string; note?: Note<"tool"> }[] {
  return (craft.data.tools ?? []).map((t) => {
    const l = s.link(t);
    return { title: l.title, note: l.note?.type === "tool" ? (l.note as Note<"tool">) : undefined };
  });
}

/** The tools placed at a station. */
export function toolsAt(s: SiteIndex, station: Note<"station">): Note<"tool">[] {
  return s.all("tool").filter((t) => s.byName(t.data.station)?.path === station.path);
}

export const craftPill = (status: string): Pill => (status === "Paused" ? "neutral" : "live");

export const systemPill = (state: string): Pill => (state === "running" ? "live" : "neutral");

/** Card game stances: the main event is gold, active ones live, the rest plain. */
export function stancePill(stance: string): Pill {
  const s = stance.toLowerCase();
  if (s === "main event") return "current";
  if (/getting into|exploring|playing|learning/.test(s)) return "live";
  return "neutral";
}

/** "want to run" -> "Want to run". */
export const sentence = (s: string) => s.charAt(0).toUpperCase() + s.slice(1);

/** Order systems are grouped in. */
export const systemStates = ["running", "played", "want to run", "want to play", "want to try"] as const;

/** Statuses whose kind belongs to a page (Making and Learning for /workshop). */
export function statusesFor(s: SiteIndex, page: string) {
  return s.statuses().filter((st) => s.kind(st.data.kind).page === page);
}

/** Archidekt deck address. */
export const archidektUrl = (id: number) => `https://archidekt.com/decks/${id}`;

/** Deck's list address: Archidekt when set, else its own list link. */
export function deckUrl(deck: Note<"deck">): string | undefined {
  return deck.data.archidektId ? archidektUrl(deck.data.archidektId) : deck.data.listUrl;
}