using System.Collections.Generic;
using System.Threading.Tasks;
using Bit.Core.Settings;
using Bit.Core.Utilities;
using IdentityServer4.Configuration;
using IdentityServer4.Services;
using IdentityServer4.Stores;
using IdentityServer4.Validation;
using Microsoft.Extensions.Logging;

namespace Bit.Identity.Utilities
{
    public class DiscoveryResponseGenerator : IdentityServer4.ResponseHandling.DiscoveryResponseGenerator
    {
        private readonly GlobalSettings _globalSettings;

        public DiscoveryResponseGenerator(
            IdentityServerOptions options,
            IResourceStore resourceStore,
            IKeyMaterialService keys,
            ExtensionGrantValidator extensionGrants,
            ISecretsListParser secretParsers,
            IResourceOwnerPasswordValidator resourceOwnerValidator,
            ILogger<DiscoveryResponseGenerator> logger,
            GlobalSettings globalSettings)
            : base(options, resourceStore, keys, extensionGrants, secretParsers, resourceOwnerValidator, logger)
        {
            _globalSettings = globalSettings;
        }

        public override async Task<Dictionary<string, object>> CreateDiscoveryDocumentAsync(
            string baseUrl, string issuerUri)
        {
            var dict = await base.CreateDiscoveryDocumentAsync(baseUrl, issuerUri);
            return CoreHelpers.AdjustIdentityServerConfig(dict, _globalSettings.BaseServiceUri.Identity,
                _globalSettings.BaseServiceUri.InternalIdentity);
        }
    }
}