using System;

namespace ET
{
    [FriendClass(typeof (Building))]
    public class M2C_BuildingDurableHandler: AMActorLocationRpcHandler<Unit, C2M_BuildingDurable, M2C_BuildingDurable>
    {
        protected async override ETTask Run(Unit unit, C2M_BuildingDurable request, M2C_BuildingDurable response, Action reply)
        {
            try
            {
                var bc = unit.GetComponent<BuildingComponent>();
                if (bc == null || bc.Children == null)
                {
                    reply();
                    return;
                }
                
                if (request.BuildingId > 0)
                {
                    Building building = bc.GetChild<Building>(request.BuildingId);
                    if (building == null)
                    {
                        response.Error = ErrorCode.ERR_NOT_FOUND_BUILD;
                    }
                    else
                    
                    {
                        response.IdList.Add(building.Id);
                        response.Vs.Add(building.Durable);
                    }
                }
                else
                {
                    foreach (var v in bc.Children.Values)
                    {
                        response.IdList.Add(v.Id);
                        response.Vs.Add(((Building) v).Durable);
                    }
                }

                response.Error = ErrorCode.ERR_Success;
                reply();
            }
            catch (Exception e)
            {
                response.Message = e.ToString();
                response.Error = ErrorCode.ERR_BuildError;
                reply();
                throw;
            }

            await ETTask.CompletedTask;
        }
    }
}