// ==========================================================================
//  Squidex Headless CMS
// ==========================================================================
//  Copyright (c) Squidex UG (haftungsbeschraenkt)
//  All rights reserved. Licensed under the MIT license.
// ==========================================================================

using System.Xml.Linq;
using Microsoft.AspNetCore.DataProtection.Repositories;
using Squidex.Infrastructure;
using Squidex.Infrastructure.States;

namespace Squidex.Domain.Users
{
    public sealed class DefaultXmlRepository : IXmlRepository
    {
        private readonly ISnapshotStore<State> store;

        [CollectionName("Identity_Xml")]
        public sealed class State
        {
            public string Xml { get; set; }

            public State()
            {
            }

            public State(XElement xml)
            {
                Xml = xml.ToString();
            }

            public XElement ToXml()
            {
                return XElement.Parse(Xml);
            }
        }

        public DefaultXmlRepository(ISnapshotStore<State> store)
        {
            this.store = store;
        }

        public IReadOnlyCollection<XElement> GetAllElements()
        {
            return GetAllElementsAsync().Result;
        }

        public void StoreElement(XElement element, string friendlyName)
        {
            var state = new State(element);

            store.WriteAsync(new SnapshotWriteJob<State>(DomainId.Create(friendlyName), state, 0));
        }

        private async Task<IReadOnlyCollection<XElement>> GetAllElementsAsync()
        {
            return await store.ReadAllAsync().Select(x => x.Value.ToXml()).ToListAsync();
        }
    }
}