import path from "node:path";
import { CUSTOM_FONT_FAMILY } from "@/lib/card-gen/id-config";
import { PRESET_FONTS } from "@/lib/card-gen/fonts";

export function fontsDir(): string {
  return path.join(process.cwd(), "public", "fonts");
}

export function fontEntriesForFamily(
  family: string,
  customFontPath?: string | null,
): { path: string; family: string }[] {
  if (family === CUSTOM_FONT_FAMILY) {
    if (!customFontPath) return [];
    return [{ path: customFontPath, family: CUSTOM_FONT_FAMILY }];
  }
  const preset = PRESET_FONTS.find((f) => f.family === family);
  if (!preset) return [];
  const dir = fontsDir();
  return [
    { path: path.join(dir, preset.regularFile), family: preset.family },
    { path: path.join(dir, preset.boldFile), family: preset.family },
  ];
}