using Unity.Entities;
using Unity.NetCode;
using UnityEngine.Scripting;

namespace ProjectM.Simulation
{
    /// <summary>
    /// Custom Netcode for Entities bootstrap. Subclassing <see cref="ClientServerBootstrap"/> gives an
    /// explicit hook to customize world creation, tick rate, and connection.
    /// <para>
    /// M4 (LAN co-op): auto-connect is DISABLED (<see cref="ClientServerBootstrap.AutoConnectPort"/> = 0).
    /// Listening/connecting is driven explicitly via the <see cref="ConnectionConfig"/> singleton and the
    /// per-world ConnectionControlSystems — from <c>ConnectionUI</c> (Host / Join + IP) in player builds,
    /// or from the editor-only <c>EditorAutoHostSystem</c>, which auto-hosts on loopback and connects the
    /// in-proc client plus any Multiplayer-PlayMode-Tools thin clients. Direct IP/LAN only for now; Unity
    /// Relay is deferred to a later pass.
    /// </para>
    /// </summary>
    [Preserve]
    public class GameBootstrap : ClientServerBootstrap
    {
        public override bool Initialize(string defaultWorldName)
        {
            // No auto-connect: ConnectionConfig + the ConnectionControlSystems own listen/connect (M4).
            AutoConnectPort = 0;
            CreateDefaultClientServerWorlds();
            return true;
        }
    }
}