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


using ServerCore; using ServerBase;


using SESSION_ID = System.Int32;
using WORLD_ID = System.UInt32;
using META_ID = System.UInt32;
using ENTITY_GUID = System.String;
using ACCOUNT_ID = System.String;
using OWNER_GUID = System.String;
using USER_GUID = System.String;
using CHARACTER_GUID = System.String;
using ITEM_GUID = System.String;


namespace ServerBase;

public abstract partial class EntityStateBase
{
    private readonly EntityBase m_owner;

    private DateTime m_start_time = DateTime.MinValue;
    private DateTime m_end_time = DateTime.MinValue;

    public EntityStateBase(EntityBase owner)
    {
        m_owner = owner;
    }

    public virtual async Task onEnter() 
    {
        await Task.CompletedTask;
        m_start_time = DateTimeHelper.Current;
    }

    public virtual async Task onTick()
    {
        await Task.CompletedTask;
    }

    public virtual async Task onExit() 
    {
        await Task.CompletedTask;
        m_end_time = DateTimeHelper.Current;
    }

    public DateTime getStartTime() { return m_start_time; }

    public DateTime getEndTime() { return m_end_time; }

    public UInt64 getElapsedMilliSeconds()
    { 
        return (UInt64)(m_end_time - m_start_time).TotalMilliseconds; 
    }
}