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islands_engine lib islands engine server guess_coord.ex
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lib/islands/engine/server/guess_coord.ex

defmodule Islands.Engine.Server.GuessCoord do
alias Islands.Engine.Server.{Error, Log}
alias Islands.Engine.Server
alias Islands.{Board, Coord, Game, Request, State}
@spec handle_call(Request.t(), Server.from(), Game.t()) :: Server.reply()
def handle_call(
{:guess_coord = action, player_id, row, col} = request,
_from,
game
) do
with {:ok, state} <- State.check(game.state, {action, player_id}),
{:ok, guess} <- Coord.new(row, col),
opponent_id = Game.opponent_id(player_id),
%Board{} = opponent_board <- Game.player_board(game, opponent_id),
{hit_or_miss, forested_island_type, win_status, opponent_board} <-
Board.guess(opponent_board, guess),
{:ok, state} <- State.check(state, {:win_check, win_status}) do
game
|> Game.update_board(opponent_id, opponent_board)
|> Game.update_guesses(player_id, hit_or_miss, guess)
|> Game.update_state(state)
|> Game.update_request(request)
|> Game.update_response({hit_or_miss, forested_island_type, win_status})
|> Game.notify_player(opponent_id)
|> Server.save()
|> Server.reply(player_id)
else
:error ->
Error.reply(game, request, action, player_id)
{:error, reason} when is_atom(reason) ->
Error.reply(game, request, reason, player_id)
non_matched_value ->
:ok = Log.error(:handle_call, {non_matched_value, request, game})
Error.reply(game, request, :unknown, player_id)
end
end
end