using Unity.Netcode;
using UnityEngine;

/// <summary>
/// Per-avatar network glue on the spawned player. The local owner binds the scene singletons
/// (GameModeManager, cameras) to itself via <see cref="GameModeManager.BindLocalPlayer"/>; remote
/// avatars stop simulating so their transform is driven purely by the NetworkTransform replication.
/// Position-sync milestone: remote avatars still show their mesh/idle pose, just no local control.
/// </summary>
[RequireComponent(typeof(PlayerCharacterController))]
[DisallowMultipleComponent]
public class NetworkPlayerSetup : NetworkBehaviour
{
    public override void OnNetworkSpawn()
    {
        var controller = GetComponent<PlayerCharacterController>();

        if (IsOwner)
        {
            var manager = FindFirstObjectByType<GameModeManager>(FindObjectsInactive.Include);
            if (manager)
                manager.BindLocalPlayer(controller);
            return;
        }

        // Remote avatar: NetworkTransform owns the transform here, so disable the local
        // simulation (input/movement) and the CharacterController's own depenetration.
        if (controller) controller.enabled = false;
        var cc = GetComponent<CharacterController>();
        if (cc) cc.enabled = false;

        // Owner cleanup: the concealment meter is a per-frame skinned-mesh bake + voxelization +
        // physics overlap whose result only feeds the LOCAL player (HUD / gameplay). A remote avatar's
        // concealment is computed on its own owner's machine, so running it here is pure wasted CPU.
        var concealment = GetComponentInChildren<ConcealmentMeter>(true);
        if (concealment) concealment.enabled = false;

        // NOTE: SkinnedColliderBaker deliberately stays ENABLED on remotes. MeshPainter's stamp replay
        // (ApplyNetworkStamp -> DrawBrushGpu) rasterizes the baker's live, per-frame BakedMesh to map a
        // 3D brush placement into UV space; freezing the bake would mis-map replicated paint onto any
        // non-rest pose. Its bake is the necessary cost of correct remote paint, not wasted work.
    }
}