defmodule DateFile do
  # require Logger
  # require Superls

  def search(merged_indexes, cmd) do
    {sorter, datetimer} =
      case cmd do
        "do" -> {fn {{a, _}, _}, {{b, _}, _} -> a.mtime < b.mtime end, & &1.mtime}
        "dn" -> {fn {{a, _}, _}, {{b, _}, _} -> a.mtime >= b.mtime end, & &1.mtime}
        "ro" -> {fn {{a, _}, _}, {{b, _}, _} -> a.atime < b.atime end, & &1.atime}
        "rn" -> {fn {{a, _}, _}, {{b, _}, _} -> a.atime >= b.atime end, & &1.atime}
      end

    amount = Superls.confirm_float_default(1000)

    merged_indexes
    |> Tag.reject_banned_tokens()
    |> Tag.files_index_from_tokens()
    # |> dbg()
    |> Enum.sort(sorter)
    |> Enum.take(amount)
    # |> Enum.map(fn {{a, path}, _} -> Path.join([path, a.name]) end)
    |> output_friendly(datetimer)

    # [{{%Lister.File{
    #   name: "The.Plague.Dogs.1982.1080p.BluRay.x265-RARBG/The.Plague.Dogs.1982.1080p.BluRay.x265-RARBG.mp4",
    #   size: 1731829780,
    #   mtime: 1603044974,
    #   atime: 1692872991
    # }, "/home/k/Vidéos"}, ["the", "plague", "dogs", "1982"]}|_rest]
  end

  def output_friendly(result, field) do
    for {{f, path}, _} <- result do
      # for {{file1, vol1}, {{file2, vol2}, _jaro, _tags}} <- result do
      #  " - " <>
      #  " - " <>
      (IO.ANSI.bright() <>
         Path.basename(f.name) <>
         IO.ANSI.reset() <>
         "\t" <>
         Lister.File.pretty_print_file_size(f.size) <>
         "\t" <>
         datetime_human_str(field.(f)) <>
         "\t" <>
         Superls.bgcolor_of_string(path) <>
         path <>
         "/" <>
         Path.dirname(f.name) <>
         IO.ANSI.reset())
      |> IO.puts()
    end
  end

  def date_human_str(posix_time),
    do: posix_time |> DateTime.from_unix!() |> DateTime.to_date() |> Date.to_string()

  def datetime_human_str(posix_time),
    do: posix_time |> DateTime.from_unix!() |> DateTime.to_string()
end