using Cal.DataTable;
using System;
using System.Collections.Generic;

namespace ET
{
    /// <summary>
    /// 监视Exp
    /// </summary>
    [NumericWatcher(NumericType.Exp)]
    public class NumericWatcher_Exp : INumericWatcher
    {
        public async ETTask Run(Entity entity, float old, float value)
        {
            try
            {
                Unit unit = entity.As<Unit>();
                var num = unit.GetComponent<NumericComponent>();
                int level = num.GetAsInt(NumericType.Level);
                int trans = num.GetAsInt(NumericType.Transmigration);
                int oldLevel = level;

                long needExp = CharacterHelper.GetUpgradeLevelExp(unit);
                while (value >= needExp)
                {
                    value -= needExp;
                    level++;
                    needExp = CharacterHelper.GetUpgradeLevelExp(trans, level);
                    if (needExp == -1) break;
                }
                int transMaxLevel = CharacterHelper.GetTransmigrationLevelByTrans(trans);
                if (level >= transMaxLevel)
                {
                    level = transMaxLevel;
                    num.Set(NumericType.Exp, 0, false);
                }
                else
                    num.Set(NumericType.Exp, value, false);
                if (level != oldLevel)
                {
                    num.Set(NumericType.Level, level);
                }
                UnitHelper.SaveComponenet(num).Coroutine();
                //!通知客户端

                DelaySendSyncAttributeComponent.instance.Add(unit, NumericType.Exp, value);
            }
            catch (Exception e)
            {
                Log.Error($"{e}");
            }

            await ETTask.CompletedTask;
        }
    }

}