package cs3500.tictactoe;

import java.util.Arrays;
import java.util.stream.Collectors;

public class TicTacToeModel implements TicTacToe {
  // add your implementation here

  @Override
  public String toString() {
    // Using Java stream API to save code:
    return Arrays.stream(getBoard()).map(
      row -> " " + Arrays.stream(row).map(
        p -> p == null ? " " : p.toString()).collect(Collectors.joining(" | ")))
          .collect(Collectors.joining("\n-----------\n"));
    // This is the equivalent code as above, but using iteration, and still using the helpful
    // built-in String.join method.
    // List<String> rows = new ArrayList<>();
    // for(Player[] row : getBoard()) {
    //   List<String> rowStrings = new ArrayList<>();
    //   for(Player p : row) {
    //     if(p == null) {
    //       rowStrings.add(" ");
    //     } else {
    //       rowStrings.add(p.toString());
    //     }
    //   }
    //   rows.add(" " + String.join(" | ", rowStrings));
    // }
    // return String.join("\n-----------\n", rows);
  }
}