defmodule Mix.Tasks.BuildingsFetchTest do
  use ExUnit.Case, async: false

  doctest Mix.Tasks.BuildingsFetch

  setup do
    tmp_dir =
      Path.join(System.tmp_dir!(), "bldg_fetch_test_#{System.unique_integer([:positive])}")

    File.mkdir_p!(tmp_dir)

    prev_cache_dir = Application.get_env(:microwaveprop, :buildings_cache_dir)
    prev_http_get = Application.get_env(:microwaveprop, :ms_footprints_http_get)

    Application.put_env(:microwaveprop, :buildings_cache_dir, tmp_dir)

    Application.put_env(:microwaveprop, :ms_footprints_http_get, fn _url, _opts ->
      {:ok, %{status: 200, body: "Location\tQuadkey\tUrl\tSize\n"}}
    end)

    Microwaveprop.Cache.invalidate(:ms_footprints_index)

    on_exit(fn ->
      File.rm_rf!(tmp_dir)

      if prev_cache_dir,
        do: Application.put_env(:microwaveprop, :buildings_cache_dir, prev_cache_dir),
        else: Application.delete_env(:microwaveprop, :buildings_cache_dir)

      if prev_http_get,
        do: Application.put_env(:microwaveprop, :ms_footprints_http_get, prev_http_get),
        else: Application.delete_env(:microwaveprop, :ms_footprints_http_get)
    end)

    %{tmp_dir: tmp_dir}
  end
end