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

using System;
using System.Diagnostics.CodeAnalysis;
using System.Security.Claims;
using Jint;
using Jint.Native;
using Jint.Runtime.Interop;
using NodaTime;
using Squidex.Domain.Apps.Core.Contents;
using Squidex.Domain.Apps.Core.Scripting.ContentWrapper;
using Squidex.Infrastructure;
using Squidex.Shared.Users;

namespace Squidex.Domain.Apps.Core.Scripting
{
    public sealed class DefaultConverter : IObjectConverter
    {
        public static readonly DefaultConverter Instance = new DefaultConverter();

        private DefaultConverter()
        {
        }

        public bool TryConvert(Engine engine, object value, [MaybeNullWhen(false)] out JsValue result)
        {
            result = null!;

            if (value is Enum)
            {
                result = value.ToString();
                return true;
            }

            switch (value)
            {
                case IUser user:
                    result = JintUser.Create(engine, user);
                    return true;
                case ClaimsPrincipal principal:
                    result = JintUser.Create(engine, principal);
                    return true;
                case DomainId domainId:
                    result = domainId.ToString();
                    return true;
                case Guid guid:
                    result = guid.ToString();
                    return true;
                case Instant instant:
                    result = JsValue.FromObject(engine, instant.ToDateTimeUtc());
                    return true;
                case Status status:
                    result = status.ToString();
                    return true;
                case ContentData content:
                    result = new ContentDataObject(engine, content);
                    return true;
            }

            return false;
        }
    }
}