using System;
using System.Collections.Generic;

namespace ET
{
    [ActorMessageHandler]
    public class C2M_ChangeNickNameHandler: AMActorLocationRpcHandler<Unit, C2M_ChangeNickName, M2C_ChangeNickName>
    {
        protected override async ETTask Run(Unit unit, C2M_ChangeNickName request, M2C_ChangeNickName response, Action reply)
        {
            string ret = CharacterHelper.ReduceMoney(unit, CharacterHelper.MoneyType.Voucher, ConstDefine.ChangeNickNamePrice);
            if (ret != null)
            {
                response.Message = ret;
                reply();
                return;
            }

            User user = await UserComponent.Instance.Query(unit.Id);
            string oldName = user.NickName;
            string name = request.name;
            if (!FilterCharHelper.IsInvalid(name))
            {
                response.Message = "昵称不能超过7位,不能含有特殊字符";
                reply();
                return;
            }

            List<NickName> list = await DBComponent.Instance.Query<NickName>(t => t.Nickname == name);
            if (list != null && list.Count > 0)
            {
                response.Message = "昵称重复";
                reply();
                return;
            }

            await DBComponent.Instance.Remove<NickName>(t => t.Nickname == user.NickName);
            using NickName nickName = EntityFactory.Create<NickName>(unit.DomainScene());
            nickName.Nickname = name;
            await DBComponent.Instance.Save(nickName);
            user.NickName = name;
            await UserComponent.Instance.Save(user);
            NickNameLog log= await DBComponent.Instance.Query<NickNameLog>(unit.Id) ?? EntityFactory.CreateWithId<NickNameLog>(unit.DomainScene(), unit.Id);
            if (log.nameList.Count == 0 || log.nameList[^1] != oldName)
                log.nameList.Add(oldName);
            log.nameList.Add(name);
            await DBComponent.Instance.Save(log);
            log.Dispose();

            reply();
            await ETTask.CompletedTask;
        }
    }
}