using System;
using Cysharp.Threading.Tasks;
using IServiceProvider = DanieleMarotta.RiversongCodeShowcase.IServiceProvider;

namespace DanieleMarotta.RiversongCodeShowcase
{
    [GameSystemGroup(typeof(CommonServicesSystemGroup))]
    public class CommonServicesSystem : GameSystem, IServiceProvider, IInitializable, IDisposable
    {
        [InjectService]
        private GameConfig _config;

        [InjectService]
        private World _world;

        private SignalBus _signalBus;

        private TileSpace _tileSpace;

        private MaterialReplacementCache _materialReplacementCache;

        public CommonServicesSystem(IServiceLocator serviceLocator) : base(serviceLocator)
        {
        }

        public void RegisterServices(IServiceLocator serviceLocator)
        {
            serviceLocator.RegisterService<IEntityCollection>(new EntityCollection());
            serviceLocator.RegisterService<IEntityCache>(new EntityCache());

            _signalBus = new SignalBus();
            serviceLocator.RegisterService<ISignalBus>(_signalBus);

            _tileSpace = new TileSpace();
            serviceLocator.RegisterService<ITileSpace>(_tileSpace);

            serviceLocator.RegisterService<IPoolingService>(new PoolingService());

            _materialReplacementCache = new MaterialReplacementCache();
            serviceLocator.RegisterService(_materialReplacementCache);
        }

        public UniTask InitializeAsync()
        {
            _tileSpace.TileSize = _config.GeneralSettings.TileSize;
            _tileSpace.World = _world;

            return UniTask.CompletedTask;
        }

        public void Dispose()
        {
            _signalBus?.Dispose();
            _signalBus = null;
            _materialReplacementCache = null;
        }
    }
}