import sharp from "sharp";
import { screenshotLimit } from "../shared/bug-reports";

export async function supportScreenshot(bytes: Uint8Array) {
  if (!bytes.length || bytes.length > screenshotLimit)
    throw new Error("Use a screenshot smaller than 5 MB");
  const image = sharp(bytes, {
    limitInputPixels: 24_000_000,
    failOn: "error",
    animated: false,
  });
  const meta = await image.metadata();
  if (
    !["png", "jpeg", "webp"].includes(meta.format ?? "") ||
    (meta.pages ?? 1) !== 1
  )
    throw new Error("Choose a PNG, JPG, or WebP screenshot");
  return image
    .rotate()
    .resize({
      width: 2400,
      height: 2400,
      fit: "inside",
      withoutEnlargement: true,
    })
    .webp({ quality: 85 })
    .toBuffer();
}