defmodule ExMine.Server do
  use GenServer

  alias ExMine.Game

  def start_link(args) do
    GenServer.start_link(__MODULE__, args)
  end

  def init(%{height: height, width: width}) do
    {:ok, Game.new_game(height, width)}
  end

  def handle_call({:get_height}, _from, game) do
    {:reply, Game.get_height(game), game}
  end

  def handle_call({:get_width}, _from, game) do
    {:reply, Game.get_width(game), game}
  end

  def handle_call({:get_board}, _from, game) do
    {game, board} = Game.get_board(game)
    {:reply, board, game}
  end

  def handle_call({:get_tile, x, y}, _from, game) do
    tile = Game.get_tile(game, x, y)

    {:reply, %{x: x, y: y, tile: tile}, game}
  end

  def handle_call({:get_state}, _from, game) do
    {game, state} = Game.get_state(game)
    {:reply, state, game}
  end

  def handle_call({:make_move, x, y}, _from, game) do
    game = Game.make_move(game, x, y)
    {game, board} = Game.get_board(game)

    {:reply, board, game}
  end

  def handle_call({:toggle_flag, x, y}, _from, game) do
    game = Game.toggle_flag(game, x, y)
    tile = Game.get_tile(game, x, y)

    {:reply, %{x: x, y: y, tile: tile}, game}
  end
end