// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Diagnostics.CodeAnalysis;
using Aspire.Hosting.ApplicationModel;
using Aspire.Hosting.Azure;
using Azure.Provisioning;
using Azure.Provisioning.Expressions;
using Azure.Provisioning.Search;
 
namespace Aspire.Hosting;
 
/// <summary>
/// Provides extension methods for adding the Azure AI Search resources to the application model.
/// </summary>
public static class AzureSearchExtensions
{
    /// <summary>
    /// Adds an Azure AI Search service resource to the application model.
    /// </summary>
    /// <param name="builder">The builder for the distributed application.</param>
    /// <param name="name">The name of the Azure AI Search resource.</param>
    /// <returns>A reference to the <see cref="IResourceBuilder{AzureSearchConstructResource}"/>.</returns>
    public static IResourceBuilder<AzureSearchResource> AddAzureSearch(this IDistributedApplicationBuilder builder, string name)
    {
#pragma warning disable AZPROVISION001 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
        return builder.AddAzureSearch(name, null);
#pragma warning restore AZPROVISION001 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
    }
    /// <summary>
    /// Adds an Azure AI Search service resource to the application model.
    /// </summary>
    /// <param name="builder">The builder for the distributed application.</param>
    /// <param name="name">The name of the Azure AI Search resource.</param>
    /// <param name="configureResource">Callback to configure the underlying <see cref="global::Azure.Provisioning.Search.SearchService"/> resource.</param>
    /// <returns>A reference to the <see cref="IResourceBuilder{AzureSearchConstructResource}"/>.</returns>
    [Experimental("AZPROVISION001", UrlFormat = "https://aka.ms/dotnet/aspire/diagnostics#{0}")]
    public static IResourceBuilder<AzureSearchResource> AddAzureSearch(
        this IDistributedApplicationBuilder builder,
        string name,
        Action<IResourceBuilder<AzureSearchResource>, ResourceModuleConstruct, SearchService>? configureResource)
    {
        builder.AddAzureProvisioning();
 
        AzureSearchResource resource = new(name, ConfigureSearch);
        return builder.AddResource(resource)
                      .WithParameter(AzureBicepResource.KnownParameters.PrincipalId)
                      .WithParameter(AzureBicepResource.KnownParameters.PrincipalType)
                      .WithManifestPublishingCallback(resource.WriteToManifest);
 
        void ConfigureSearch(ResourceModuleConstruct construct)
        {
            var search = new SearchService(name)
            {
                SearchSkuName = SearchServiceSkuName.Basic,
                ReplicaCount = 1,
                PartitionCount = 1,
                HostingMode = SearchServiceHostingMode.Default,
                IsLocalAuthDisabled = true,
                Tags = { { "aspire-resource-name", name } }
            };
            construct.Add(search);
 
            construct.Add(search.AssignRole(SearchBuiltInRole.SearchIndexDataContributor, construct.PrincipalTypeParameter, construct.PrincipalIdParameter));
            construct.Add(search.AssignRole(SearchBuiltInRole.SearchServiceContributor, construct.PrincipalTypeParameter, construct.PrincipalIdParameter));
 
            // TODO: The endpoint format should move into the CDK so we can maintain this
            // logic in a single location and have a better chance at supporting more than
            // just public Azure in the future.  https://github.com/Azure/azure-sdk-for-net/issues/42640
            construct.Add(new BicepOutput("connectionString", typeof(string))
            {
                Value = BicepFunction.Interpolate($"Endpoint=https://{search.Name}.search.windows.net")
            });
 
            var resource = (AzureSearchResource)construct.Resource;
            var resourceBuilder = builder.CreateResourceBuilder(resource);
            configureResource?.Invoke(resourceBuilder, construct, search);
        }
    }
}