import yaml from "js-yaml";

export interface JournalDocEntry {
  tag: string;
  icon: string;
  title: string;
  description: string;
  syntax: string;
  props: { name: string; type: string; default?: string; desc: string }[];
  body: string;
}

function parseFrontmatter(raw: string): Record<string, unknown> | null {
  const normalized = raw.replace(/\r\n/g, "\n");
  const match = normalized.match(/^---\n([\s\S]*?)\n---\n?([\s\S]*)$/);
  if (!match) return null;
  try {
    return yaml.load(match[1]) as Record<string, unknown>;
  } catch {
    return null;
  }
}

function getBody(raw: string): string {
  const normalized = raw.replace(/\r\n/g, "\n");
  const match = normalized.match(/^---\n[\s\S]*?\n---\n?([\s\S]*)$/);
  return match ? match[1] : raw;
}

function parseEntry(raw: string): JournalDocEntry | null {
  const fm = parseFrontmatter(raw);
  if (!fm) return null;
  return {
    tag: fm.tag as string,
    icon: fm.icon as string,
    title: fm.title as string,
    description: fm.description as string,
    syntax: fm.syntax as string,
    props: (fm.props as JournalDocEntry["props"]) ?? [],
    body: getBody(raw),
  };
}

import journalGmRaw from "../doc-entries/journal-gm.md";
import journalPlayerRaw from "../doc-entries/journal-player.md";
import journalSetRaw from "../doc-entries/journal-set.md";
import journalRollRaw from "../doc-entries/journal-roll.md";
import journalLinkRaw from "../doc-entries/journal-link.md";

const rawDocuments: string[] = [
  journalGmRaw,
  journalPlayerRaw,
  journalSetRaw,
  journalRollRaw,
  journalLinkRaw,
];

let _entries: JournalDocEntry[] | null = null;

function loadJournalDocEntries(): JournalDocEntry[] {
  if (_entries) return _entries;
  _entries = rawDocuments.map(parseEntry).filter(Boolean) as JournalDocEntry[];
  return _entries;
}

export const journalDocEntries = loadJournalDocEntries();