/** The resume's data, shared by the page and the PDF so they never disagree. */
import type { Note } from "./content.ts";
import type { SiteIndex } from "./site.ts";

export interface ResumeData {
  name: string;
  headline: string;
  location?: string;
  summary?: string;
  availability?: string;
  email?: string;
  stats: { value: string; label: string; detail?: string }[];
  /** Roles shown in full, current first. */
  roles: Note<"experience">[];
  /** Roles marked earlier: a short list of title, company, dates and focus. */
  earlier: Note<"experience">[];
  projects: { title: string; detail: string; link?: string }[];
  skills?: Note<"skills">["data"];
  education?: Note<"education">["data"];
  socials: { label: string; handle: string; url: string }[];
  /** The newest change to any note the resume is built from (YYYY-MM-DD). */
  updated: string;
}

/** "Mar 2019", from "2019-03". */
export const month = (ym: string | undefined) => {
  if (!ym) return "Present";
  const [y, m] = ym.split("-").map(Number);
  return new Date(Date.UTC(y!, (m ?? 1) - 1, 1)).toLocaleDateString("en-US", { timeZone: "UTC", month: "short", year: "numeric" });
};

export const period = (r: Note<"experience">) => `${month(r.data.start)} – ${month(r.data.end)}`;

/** "A, B and C". */
export const listOf = (items: string[]) => new Intl.ListFormat("en-US", { style: "long", type: "conjunction" }).format(items);

export function resumeData(s: SiteIndex): ResumeData {
  const settings = s.settings();
  const page = s.pageText("/resume");
  const roles = [...s.all("experience")].sort((a, b) => (b.data.end ?? "9999").localeCompare(a.data.end ?? "9999") || b.data.start.localeCompare(a.data.start));
  const current = roles.find((r) => !r.data.end) ?? roles[0];
  const sources: Note[] = [...roles, ...(page ? [page] : []), ...[s.one("skills"), s.one("education")].filter((n): n is Note<"skills"> | Note<"education"> => !!n)];
  const updated = sources.map((n) => n.acceptedAt?.slice(0, 10) ?? "").sort().at(-1) ?? "";
  return {
    name: settings?.name ?? "Greg Kilmer",
    headline: page?.data.lede ?? current?.data.role ?? "",
    location: settings?.location,
    summary: page?.body?.trim() || undefined,
    availability: settings?.availability,
    email: settings?.email,
    stats: page?.data.stats ?? [],
    roles: roles.filter((r) => !r.data.earlier),
    earlier: roles.filter((r) => r.data.earlier),
    projects: page?.data.projects ?? [],
    skills: s.one("skills")?.data,
    education: s.one("education")?.data,
    socials: settings?.socials ?? [],
    updated,
  };
}