using Shogi.Domain.ValueObjects;

namespace Shogi.Domain;

public class Session
{
    public Session(
      string name,
      string player1Name)
    {
        Name = name;
        Player1 = player1Name;
        Board = new(BoardState.StandardStarting);
    }

    public string Name { get; }

    public ShogiBoard Board { get; }

    /// <summary>
    /// The User.Id of the player which created the session.
    /// </summary>
    public string Player1 { get; }

    /// <summary>
    /// The User.Id of the second player.
    /// </summary>
    public string? Player2 { get; private set; }

    public void AddPlayer2(string player2Name)
    {
        if (Player2 != null) throw new InvalidOperationException("Player 2 already exists while trying to add a second player.");
        if (Player1.Equals(player2Name, StringComparison.OrdinalIgnoreCase)) throw new InvalidOperationException("Player 2 must be different from Player 1");
        Player2 = player2Name;
    }

    public bool IsSeated(string playerName)
    {
        return Player1 == playerName || Player2 == playerName;
    }
}