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

using System;
using System.Collections.Generic;
using System.Security.Claims;
using Squidex.Domain.Apps.Entities.Apps;
using Squidex.Infrastructure;
using Squidex.Infrastructure.Reflection;
using Squidex.Infrastructure.Security;

namespace Squidex.Domain.Apps.Entities.Contents
{
    public sealed class QueryContext : Cloneable<QueryContext>
    {
        public ClaimsPrincipal User { get; private set; }

        public IAppEntity App { get; private set; }

        public IEnumerable<Language> Languages { get; private set; }

        public string SchemaIdOrName { get; private set; }

        public bool Archived { get; private set; }

        public bool Flatten { get; private set; }

        private QueryContext()
        {
        }

        public static QueryContext Create(IAppEntity app, ClaimsPrincipal user, IEnumerable<string> languageCodes = null)
        {
            var result = new QueryContext { App = app, User = user };

            if (languageCodes != null)
            {
                var languages = new List<Language>();

                foreach (var iso2Code in languageCodes)
                {
                    if (Language.TryGetLanguage(iso2Code, out var language))
                    {
                        languages.Add(language);
                    }
                }

                result.Languages = languages;
            }

            return result;
        }

        public QueryContext WithArchived(bool archived)
        {
            return Clone(c => c.Archived = archived);
        }

        public QueryContext WithFlatten(bool flatten)
        {
            return Clone(c => c.Flatten = flatten);
        }

        public QueryContext WithSchemaName(string name)
        {
            return Clone(c => c.SchemaIdOrName = name);
        }

        public QueryContext WithSchemaId(Guid id)
        {
            return Clone(c => c.SchemaIdOrName = id.ToString());
        }

        public bool IsFrontendClient
        {
            get { return User.IsInClient("squidex-frontend"); }
        }
    }
}