using Azure.Identity;
using Core.Cerberos.Adapters.Common.Constants;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Configuration.AzureAppConfiguration;
using Microsoft.Extensions.Logging;

namespace Core.Cerberos.Adapters.Helpers
{
    public static class AuthHelper
    {
        private static readonly ILogger logger = LoggerFactory.Create(builder =>
        {
            builder.AddConsole();
        }).CreateLogger("AuthHelper");


        public static AuthSettings GetAuthSettings(WebApplicationBuilder builder, string appConfigLabel)
        {
            builder.Configuration.AddAzureAppConfiguration(options =>
            {
                var endpoint = builder.Configuration.GetSection("Endpoints:AppConfigurationURI").Value;

                if (string.IsNullOrEmpty(endpoint))
                    throw new ArgumentException("The app configuration is missing");

                options.Connect(new Uri(endpoint), new DefaultAzureCredential())
                       .Select(KeyFilter.Any, "cerberos_common")
                       .Select(KeyFilter.Any, appConfigLabel);

                options.ConfigureKeyVault(keyVaultOptions =>
                {
                    keyVaultOptions.SetCredential(new DefaultAzureCredential());
                });
            });

            return new AuthSettings
            {
                AzureADInstance = builder.Configuration.GetSection(Secrets.AzureADInstance).Value,
                AzureADTenantId = builder.Configuration.GetSection(Secrets.AzureADTenantId).Value,
                AzureADClientId = builder.Configuration.GetSection(Secrets.AzureADClientId).Value,
                AzureADClientSecret = builder.Configuration.GetSection(Secrets.AzureADClientSecret).Value,
                HeathCerberosAppAuthorizationUrl = builder.Configuration.GetSection(Secrets.HeathCerberosAppAuthorizationUrl).Value,
                HeathCerberosAppTokenUrl = builder.Configuration.GetSection(Secrets.HeathCerberosAppTokenUrl).Value,
                HeathCerberosAppClientId = builder.Configuration.GetSection(Secrets.HeathCerberosAppClientId).Value,
                HeathCerberosAppScope = builder.Configuration.GetSection(Secrets.HeathCerberosAppScope).Value,
                PrivateKey = builder.Configuration.GetSection(Secrets.PrivateKey).Value,
                PublicKey = builder.Configuration.GetSection(Secrets.PublicKey).Value,
            };
        }
    }
}