/// captioned image with label derived from path:
/// - "image.png" = @image
/// - "img/image.png" = @image
/// - "img/foo/image.png" = @foo_image
/// - "img/foo/foo_image.png" = @foo_image
/// the caption will be modified based on a conditional positional value:
/// - `none`: no change
/// - some value: "`caption` (за даними `value`)"
/// - no value: "`caption` (рисунок виконано самостійно)"
/// additional named arguments will be passed to original `image` function
#let img(path, caption, ..sink) = {
  let parts = path.split(".").first().split("/")

  let label_string = if (
    parts.len() <= 2 or parts.at(-1).starts-with(parts.at(-2))
  ) {
    // ("image",), (_, "image") and (.., "img", "img_image")
    parts.last()
  } else {
    // (.., "img", "image") = "img_image"
    parts.at(-2) + "_" + parts.at(-1)
  }.replace(" ", "_")

  let caption = if sink.pos().len() == 0 {
    caption
  } else if sink.pos().first() == none {
    caption + " (рисунок виконано самостійно)"
  } else {
    [#caption (за даними #sink.pos().first())]
  }

  [#figure(
      image(path, ..sink.named()),
      caption: caption,
    ) #label(label_string)]
}