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

using System.Collections.Generic;
using System.Reflection;
using System.Text;
using Microsoft.Extensions.Configuration;
using Squidex.Infrastructure;

namespace Squidex.Web
{
    public sealed class ExposedValues : Dictionary<string, string>
    {
        public ExposedValues()
        {
        }

        public ExposedValues(ExposedConfiguration configured, IConfiguration configuration, Assembly? assembly = null)
        {
            Guard.NotNull(configured);
            Guard.NotNull(configuration);

            foreach (var kvp in configured)
            {
                var value = configuration.GetValue<string>(kvp.Value);

                if (!string.IsNullOrWhiteSpace(value))
                {
                    this[kvp.Key] = value;
                }
            }

            if (assembly != null)
            {
                if (!ContainsKey("version"))
                {
                    this["version"] = assembly.GetName()!.Version!.ToString();
                }
            }
        }

        public override string ToString()
        {
            var sb = new StringBuilder();

            foreach (var kvp in this)
            {
                if (sb.Length > 0)
                {
                    sb.Append(", ");
                }

                sb.Append(kvp.Key);
                sb.Append(": ");
                sb.Append(kvp.Value);
            }

            return sb.ToString();
        }
    }
}