using System.Collections.Generic;
using XGame.Framework.Asyncs;
using XGame.Framework.Interfaces;
using XGame.Framework.Loadable;

namespace XGame.Framework.Nodes
{
    public class BusinessGroup : IBusinessGroup, ILoadAsyncHandle
    {
        private List<IBusiness> _businesses;
        private List<IUpdate> _updates;
        private List<ILateUpdate> _lateUpdates;
        protected NodeContext _context;

        public BusinessGroup(NodeContext context)
        {
            _context = context;
            _businesses = new List<IBusiness>();
            _updates = new List<IUpdate>();
            _lateUpdates = new List<ILateUpdate>();
        }
        #region 接口实现
        public void AddBusiness(IBusiness business)
        {
            _businesses.Add(business);
            if (business is IContextSetter setter){
                setter.Context = _context;
            }
            if (business is IUpdate update)
            {
                _updates.Add(update);
            }
            if (business is ILateUpdate lateUpdate)
            {
                _lateUpdates.Add(lateUpdate);
            }
        }
        #endregion
        #region public
        public void Enable(object intent)
        {
            foreach(var business in _businesses)
            {
                business?.OnEnable(intent);
            }
        }
        public void Disable()
        {
            foreach(var business in _businesses)
            {
                business?.OnDisable();
            }
        }
        public void Update(int millisecond)
        {
            foreach(var update in _updates)
            {
                update?.Update(millisecond);
            }
        }
        public void LateUpdate(int millisecond)
        {
            foreach(var lateUpdate in _lateUpdates)
            {
                lateUpdate?.LateUpdate(millisecond);
            }
        }
        public void Dispose()
        {

        }
        #endregion
        public void OnLoadAsync(IAsyncGroup group)
        {
            foreach(var business in _businesses)
            {
                (business as ILoadAsyncHandle)?.OnLoadAsync(group);
            }
        }
        public void OnUnloadAsync(IAsyncGroup group)
        {
            foreach(var business in _businesses)
            {
                (business as ILoadAsyncHandle)?.OnUnloadAsync(group);
            }
        }
    }
}