import { readFileSync } from 'node:fs';
import * as path from 'node:path';
import { fileURLToPath } from 'node:url';
import { Font, getDefaultFont } from '@pdfme/common';
import { pdf2img } from '@pdfme/converter';

const __dirname = path.dirname(fileURLToPath(import.meta.url));

const NotoSerifJPRegularData = readFileSync(
  // path.join(__dirname, `/assets/fonts/NotoSerifJP-Regular.otf`)
  path.join(__dirname, `/assets/fonts/NotoSerifJP-Regular.ttf`),
);
const NotoSansJPRegularData = readFileSync(
  // path.join(__dirname, `/assets/fonts/NotoSansJP-Regular.otf`)
  path.join(__dirname, `/assets/fonts/NotoSansJP-Regular.ttf`),
);
const GloriaHallelujahRegularData = readFileSync(
  path.join(__dirname, `/assets/fonts/GloriaHallelujah-Regular.ttf`),
);
const GreatVibesRegularData = readFileSync(
  path.join(__dirname, `/assets/fonts/GreatVibes-Regular.ttf`),
);
const JuliusSansOneRegularData = readFileSync(
  path.join(__dirname, `/assets/fonts/JuliusSansOne-Regular.ttf`),
);
const PinyonScriptRegularData = readFileSync(
  path.join(__dirname, `/assets/fonts/PinyonScript-Regular.ttf`),
);

const IMAGE_SNAPSHOT_ALLOWED_PIXEL_RATIO = 0.001;

export const getFont = (): Font => ({
  ...getDefaultFont(),
  'NotoSerifJP-Regular': { data: NotoSerifJPRegularData },
  'NotoSansJP-Regular': { data: NotoSansJPRegularData },
  'GloriaHallelujah-Regular': { data: GloriaHallelujahRegularData },
  'GreatVibes-Regular': { data: GreatVibesRegularData },
  'JuliusSansOne-Regular': { data: JuliusSansOneRegularData },
  NotoSerifJP: { data: NotoSerifJPRegularData },
  NotoSansJP: { data: NotoSansJPRegularData },
  'PinyonScript-Regular': {
    fallback: false,
    data: PinyonScriptRegularData,
  },
});
export const pdfToImages = async (pdf: ArrayBuffer | Uint8Array): Promise<Buffer[]> => {
  const arrayBuffers = await pdf2img(pdf, { imageType: 'png' });
  return arrayBuffers.map((buf) => Buffer.from(new Uint8Array(buf)));
};

export const getImageSnapshotOptions = (name: string) => ({
  name,
  allowedPixelRatio: IMAGE_SNAPSHOT_ALLOWED_PIXEL_RATIO,
});