require "../spec_helper"
require "../../src/lx_chess/board"
require "../../src/lx_chess/piece"
require "../../src/lx_chess/move_set"
require "../../src/lx_chess/game"
require "../../src/lx_chess/fen"

include LxChess

describe "Castling" do
  describe "white" do
    it "moves the king and the rook when castling kingside" do
      fen = Fen.parse("8/8/8/8/8/8/8/R3K2R w KQkq - 0 1")
      game = Game.new(board: fen.board, players: [Player.new, Player.new])

      game.make_move(from: "e1", to: "g1")
      debug_board(game, ["e1", "g1"])
      fen.update(game)
      fen.to_s.should eq("8/8/8/8/8/8/8/R4RK1 b kq - 1 1")
    end

    it "moves the king and the rook when castling queenside" do
      fen = Fen.parse("8/8/8/8/8/8/8/R3K2R w KQkq - 0 1")
      game = Game.new(board: fen.board, players: [Player.new, Player.new])

      game.make_move(from: "e1", to: "c11")
      debug_board(game, ["e1", "c1"])
      fen.update(game)
      fen.to_s.should eq("8/8/8/8/8/8/8/2KR3R b kq - 1 1")
    end
  end
end