defmodule OutlookWeb.ViewHelpers do

  import Phoenix.HTML, only: [raw: 1]

  @doc "Just sanitize tags"
  def tidy_raw(html) when is_binary(html) do
    html
    |> Floki.parse_fragment!()
    |> Floki.raw_html()
    |> raw
  end
  def tidy_raw(whatever) do
    whatever
  end

  # TODO: implement (and use) the following function
  @doc "Strip <a> tags to prevent broken html (or 'breaking') from user input."
  def strip_links(html) do
    raise "Yet to be implemented!"
  end

  def elipsed_text(text, length) do
    if String.length(text) < length do
      text
    else
      part_length = (length - 3) / 2  |> trunc()
      "#{String.slice(text, 0..part_length)} … #{String.slice(text, -part_length..-1)}"
    end
  end
end