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the best commit message ever. written by cleop #5

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35 changes: 34 additions & 1 deletion lib/dojo/hand.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -5,5 +5,38 @@ defmodule Dojo.Hand do
evaluate(cards)
end

defp evaluate(_), do: :high_card
defp sort_cards(cards) do
Enum.sort(cards)
end

defp evaluate(hand) do
sorted_hand = sort_cards(hand)
[first_card | tail] = sorted_hand
check_suit(first_card, tail, hand)
end

defp check_suit(card, [], hand) do
# suit is all the same
:flush
end

defp check_suit(first_card, list, hand) do
[next_card | rest] = list
case first_card.suit == next_card.suit do
true ->
check_suit(next_card, rest, hand)
false ->
# not all suits are same go here
:high_card
end
end

end

# cards = [
# %{rank: 13, suit: :hearts},
# %{rank: 10, suit: :hearts},
# %{rank: 11, suit: :hearts},
# %{rank: 12, suit: :hearts},
# %{rank: 14, suit: :hearts}
# ]