using Azure;
using Azure.AI.OpenAI;
using Microsoft.Extensions.AI;

namespace EnvelopeGenerator.ReceiverUI.Web.Client.Utils
{
    public static class ServiceExtensions
    {
        // Demo AI services are rate limited and intended for demonstration purposes only.
        // DevExpress does not offer a REST API and does not ship any built-in LLMs/SLMs.
        // Use of demo credentials in production is strictly prohibited.
        // Specify the Azure OpenAI endpoint, key, and deployment name in the 'appsettings.json' file.
        public static void AddChatClient(this IServiceCollection services, string aiEndpoint, string aiKey, string deployment)
        {
            services.AddDevExpressAI();
            services.AddScoped<IChatClient>(_ =>
            {
                var azureClient = new AzureOpenAIClient(new Uri(aiEndpoint), new AzureKeyCredential(aiKey));
                return azureClient
                    .GetChatClient(deployment)
                    .AsIChatClient();
            });
        }
    }
}