algatossica.ex

Mix.install([
  {:req, "~> 0.2"},
  {:timex, "~> 3.7"},
  {:nimble_csv, "~> 1.1"}
])

IO.puts("""
\n
""")

time = DateTime.utc_now()
month_number = time.month
year = time.year

mese =
  Timex.format!(time, "{Mfull}")
  |> then(fn month ->
    Timex.Translator.translate("it", "months", month)
  end)

quindicina =
  case Timex.format!(time, "{D}") |> Integer.parse() do
    number when number > 14 -> "II"
    number when number > 0 -> "I"
  end

response =
  if month_number in [6, 7, 8, 9] do
    resp =
      "https://cloud.arpa.puglia.it/MappaAlgaTossica/data/#{mese}#{quindicina}-#{year}.csv"
      |> IO.inspect(label: "Fonte")
      |> Req.get!()

    resp.body
  else
    IO.puts("Ultima lettura per il #{year} - Settembre II")

    resp =
      "https://cloud.arpa.puglia.it/MappaAlgaTossica/data/SettembreII-#{year}.csv"
      |> IO.inspect(label: "Fonte")
      |> Req.get!()

    resp.body
  end

risk = fn value ->
  {val, _} = Integer.parse(value)

  cond do
    val == 0 ->
      :assente

    val > 20000 ->
      :molto_abbondate

    val > 10001 ->
      :abbondate

    val > 5001 ->
      :discreta

    val > 1001 ->
      :modesta

    val > 0 ->
      :scarsa
  end
end

IO.puts("""
\n\n\
Posti in cui è stata rilevata la presenza di alga tossica \n(Ostreopsis ovata)

""")

response
|> List.delete_at(0)
|> Enum.map(fn row ->
  [_city, location, name, _date, value, _] = List.first(row) |> String.split(";")

  label = risk.(value)

  if label in [:molto_abbondate, :abbondate, :discreta, :modesta] do
    IO.puts(
      "- #{[location, name] |> Enum.join(", ")} " <>
        IO.ANSI.red_background() <>
        "Alga Tossica" <>
        IO.ANSI.reset() <> ""
    )
  else
    IO.puts("- #{[location] |> Enum.join(", ")} " <> "💦 (sicuro)")
  end
end)