using Esyur.Resource;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Esyur.Core;
using Esyur.Data;
using Esyur.Resource.Template;

namespace Esyur.Stores
{
    public class TemporaryStore : IStore
    {
        public Instance Instance { get; set; }

        public event DestroyedEvent OnDestroy;

        Dictionary<uint, WeakReference> resources = new Dictionary<uint, WeakReference>();

        public void Destroy()
        {

        }

        public string Link(IResource resource)
        {
            if (resource.Instance.Store == this)
                return this.Instance.Name + "/" + resource.Instance.Id;

            return null;
        }

        public async AsyncReply<IResource> Get(string path)
        {
            foreach (var r in resources)
                if (r.Value.IsAlive && (r.Value.Target as IResource).Instance.Name == path)
                    return r.Value.Target as IResource;

            return null;
        }

        public async AsyncReply<bool> Put(IResource resource)
        {
            resources.Add(resource.Instance.Id, new WeakReference( resource));//  new WeakReference<IResource>(resource));
            return true;
        }

        public AsyncReply<IResource> Retrieve(uint iid)
        {
            if (resources.ContainsKey(iid))
            {
                if (resources.ContainsKey(iid) && resources[iid].IsAlive)// .TryGetTarget(out r))
                    return new AsyncReply<IResource>(resources[iid].Target as IResource);
                else
                    return new AsyncReply<IResource>(null);
            }
            else
                return new AsyncReply<IResource>(null);
        }

        public AsyncReply<bool> Trigger(ResourceTrigger trigger)
        {
            return new AsyncReply<bool>(true);
        }

        public bool Record(IResource resource, string propertyName, object value, ulong age, DateTime dateTime)
        {
            throw new NotImplementedException();
        }

        public AsyncReply<KeyList<PropertyTemplate, PropertyValue[]>> GetRecord(IResource resource, DateTime fromDate, DateTime toDate)
        {
            throw new NotImplementedException();
        }

        public bool Remove(IResource resource)
        {
            resources.Remove(resource.Instance.Id);
            return true;
        }

        public bool Modify(IResource resource, string propertyName, object value, ulong age, DateTime dateTime)
        {
            return true;
        }

        public AsyncReply<bool> AddChild(IResource parent, IResource child)
        {
            throw new NotImplementedException();
        }

        public AsyncReply<bool> RemoveChild(IResource parent, IResource child)
        {
            throw new NotImplementedException();
        }

        public AsyncReply<bool> AddParent(IResource child, IResource parent)
        {
            throw new NotImplementedException();
        }

        public AsyncReply<bool> RemoveParent(IResource child, IResource parent)
        {
            throw new NotImplementedException();
        }

        public AsyncBag<T> Children<T>(IResource resource, string name) where T : IResource
        {
            throw new NotImplementedException();
        }

        public AsyncBag<T> Parents<T>(IResource resource, string name) where T : IResource
        {
            throw new NotImplementedException();
        }
    }
}