using InfiniteWorld.VoxelWorld;
using InfiniteWorld.VoxelWorld.Contracts;
using InfiniteWorld.VoxelWorld.NavMesh;
using MessagePipe;
using UnityEngine;
using VContainer;
using VContainer.Unity;

namespace VoxelWorldScene
{
    [DisallowMultipleComponent]
    [RequireComponent(typeof(VoxelWorldGenerator))]
    /// <summary>
    /// Scene-level composition root that wires the voxel world, nav coverage services and interest readers into one runtime module.
    /// </summary>
    public sealed class VoxelWorldNavMeshLifetimeScope : LifetimeScope
    {
        [SerializeField] private bool enableRuntimeNavMesh = true;
        [SerializeField] private VoxelWorldGenerator worldGenerator;
        [SerializeField] private VoxelWorldNavMeshConfig config = new VoxelWorldNavMeshConfig();

        protected override void Configure(IContainerBuilder builder)
        {
            if (!enableRuntimeNavMesh)
            {
                return;
            }

            if (worldGenerator == null)
            {
                worldGenerator = GetComponent<VoxelWorldGenerator>();
            }

            builder.RegisterMessagePipe();
            builder.RegisterInstance(config);
            builder.RegisterInstance(worldGenerator).As<IChunkNavSourceReader>().AsSelf();
            builder.Register<SceneWorldInterestReader>(Lifetime.Singleton).As<IWorldInterestReader>();
            builder.RegisterEntryPoint<NavCoverageHintService>().AsSelf();
            builder.RegisterEntryPoint<VoxelWorldNavMeshService>().AsSelf();
            builder.RegisterBuildCallback(ResolvePublishers);
        }

        private void ResolvePublishers(IObjectResolver resolver)
        {
            if (!enableRuntimeNavMesh || worldGenerator == null)
            {
                return;
            }

            worldGenerator.BindWorldContracts(
                resolver.Resolve<IPublisher<ChunkNavGeometryReadyMessage>>(),
                resolver.Resolve<IPublisher<ChunkNavGeometryRemovedMessage>>(),
                resolver.Resolve<IPublisher<WorldInterestChangedMessage>>());
        }
    }

}