import { readdirSync, readFileSync, statSync } from "node:fs";
import { join, relative } from "node:path";
import { CONTENT_ROOT } from "@mcpedia/config";

/** List all markdown/mdx content files relative to CONTENT_ROOT. */
export function listContentFiles(): string[] {
  const out: string[] = [];
  const walk = (dir: string) => {
    for (const entry of readdirSync(dir)) {
      const full = join(dir, entry);
      const st = statSync(full);
      if (st.isDirectory()) walk(full);
      else if (/\.mdx?$/.test(entry)) out.push(relative(CONTENT_ROOT, full));
    }
  };
  walk(CONTENT_ROOT);
  return out;
}

/** Read a content file's raw text by relative path. */
export function readContentFile(relPath: string): string {
  return readFileSync(join(CONTENT_ROOT, relPath), "utf8");
}