// @ts-check
import {
  builtins,
  applyTransforms,
  generateTransforms,
} from "imagetools-core"
import sharp from "sharp"

export const loadImage = async (path) => { return await sharp(path) }

export async function getImageDetails(path, width, height, aspect) {
  const loadedImage = await loadImage(path)
  if (aspect && !width && !height) {
    if (!width && !height) {
      ({ width } = await loadedImage.metadata())
    }

    if (width) {
      height = width / aspect
    }

    if (height) {
      width = height * aspect
    }
  }
  const { image, metadata } = await applyTransforms(
    generateTransforms({ width, height }, builtins,  new URLSearchParams()).transforms,loadedImage
  )
  const {
    width: imageWidth,
    height: imageHeight,
    format: imageFormat,
  } = metadata
  return { image, imageWidth, imageHeight, imageFormat }
}