Advent of Code 2015 Day 16 Part 2

Mix.install([
  {:kino_aoc, "~> 0.1"}
])

Get Inputs

{:ok, puzzle_input} =
  KinoAOC.download_puzzle("2015", "16", System.fetch_env!("LB_SESSION"))

My answer

sue_list =
  puzzle_input
  |> String.split("\n")
  |> Enum.with_index(1)
  |> Enum.map(fn {row, index} ->
    Regex.scan(~r/[a-z]+: [0-9]+/, row)
    |> Enum.into(%{}, fn [item] ->
      Regex.named_captures(~r/(?[a-z]+): (?[0-9]+)/, item)
      |> then(fn %{"name" => name, "number" => number} ->
       {String.to_atom(name), String.to_integer(number)}
      end)
    end)
    |> Map.put(:index, index)
  end)

mfscam =
  %{
    children: 3,
    cats: 7,
    samoyeds: 2,
    pomeranians: 3,
    akitas: 0,
    vizslas: 0,
    goldfish: 5,
    trees: 3,
    cars: 2,
    perfumes: 1
  }

sue_list
|> Enum.find(fn sue ->
  sue
  |> Map.delete(:index)
  |> Enum.filter(fn {key, _} ->
    mfscam
    |> Map.keys()
    |> Enum.member?(key)
  end)
  |> Enum.all?(fn {key, value} ->
    scam_value = Map.get(mfscam, key)
    cond do
      Enum.member?([:cats, :trees], key) ->
        scam_value < value
      Enum.member?([:pomeranians, :goldfish], key) ->
        scam_value > value
      true ->
        scam_value == value
    end
  end)
end)
|> Map.get(:index)