using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Sog
{
    public class ServiceMgr : Singleton<ServiceMgr>
    {
        private uint m_serviceSeqID;

        private IReloadableService[] m_serviceTable;


        public ServiceMgr()
        {
            m_serviceTable = new IReloadableService[(int)ReloadableServiceType.MaxTypeID];
            m_serviceSeqID = 0;
        }


        public uint GenNextSeqID()
        {
            m_serviceSeqID++;

            return m_serviceSeqID;
        }

        //注册
        public void RegisterService(IReloadableService service)
        {
            int iServiceType = service.GetServiceType();
            if(iServiceType > 0 && iServiceType < (int)ReloadableServiceType.MaxTypeID)
            {
                if(m_serviceTable[iServiceType] != null)
                {
                    TraceLog.Assert("service {0} already registed when register type {1} !", iServiceType, service.GetType().FullName);
                }

                Type serviceType = service.GetType();

                TraceLog.Debug("service {0} register type {1} success seqID {2}", iServiceType, serviceType.FullName, service.GetServiceSeqID());

                m_serviceTable[iServiceType] = service;
            }
            else
            {
                TraceLog.Assert("service {0} invalid id register type {1} !", iServiceType, service.GetType().FullName);
            }

        }

        //根据类型返回一个service
        public static T GetService<T>(int iServiceType)
        {
            if (iServiceType > 0 && iServiceType < (int)ReloadableServiceType.MaxTypeID)
            {
                return (T)Instance.m_serviceTable[iServiceType];
            }

            return default(T);
        }



        //删除所有引用,显示进行对象释放
        public void DisposeAllService()
        {
            for(int i=0; i< m_serviceTable.Length; i++)
            {
                if(m_serviceTable[i] != null)
                {
                    m_serviceTable[i].Dispose();
                    m_serviceTable[i] = null;
                }
            }
        }
    }
}