using Core.Thalos.Infraestructure.Caching.Contracts;
using Core.Thalos.Infraestructure.Contexts.Mongo;
using Core.Thalos.Provider.Contracts;
using Core.Thalos.Provider.Providers;
using Core.Thalos.Provider.Providers.Onboarding;
using LSA.Core.Dapper.Service.Caching;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using MongoDB.Driver;

namespace Core.Thalos.Provider
{
    public static class ServiceCollectionExtensions
    {
        public static IServiceCollection AddDALLayer(this IServiceCollection services, IConfiguration configuration)
        {
            var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? string.Empty;

            var connectionString = configuration.GetSection("ConnectionStrings:MongoDB").Value ?? string.Empty;
            var databaseName = configuration.GetSection("MongoDB:DatabaseName").Value ?? string.Empty;
            var audience = (environment == "Local")
                ? configuration.GetSection("MongoDB:LocalAudience").Value
                : configuration.GetSection("MongoDB:Audience").Value;

            if (string.IsNullOrEmpty(connectionString) || string.IsNullOrEmpty(databaseName) || string.IsNullOrEmpty(audience))
            {
                throw new InvalidOperationException("Mongo connection is not configured correctly.");
            }

            services.Configure<MongoConnSettings>(options =>
            {
                options.ConnectionString = connectionString;
                options.Databasename = databaseName;
                options.Audience = audience ?? string.Empty;
            });

            services.AddSingleton<IMongoClient>(serviceProvider =>
            {
                var settings = serviceProvider.GetRequiredService<IOptions<MongoConnSettings>>().Value;
                var mongoClientSettings = MongoClientSettings.FromConnectionString(settings.ConnectionString);
                mongoClientSettings.Credential = MongoCredential.CreateOidcCredential(new HeathOidcCallback(settings.Audience));
                return new MongoClient(mongoClientSettings);
            });

            services.AddSingleton<IMongoDatabase>(serviceProvider =>
            {
                var settings = serviceProvider.GetRequiredService<IOptions<MongoConnSettings>>().Value;
                var client = serviceProvider.GetRequiredService<IMongoClient>();
                return client.GetDatabase(settings.Databasename);
            });

            services.AddDALConfigurationLayer();
            services.AddLogs();
            services.AddRedisCacheService(configuration);

            return services;
        }


        private static IServiceCollection AddDALConfigurationLayer(this IServiceCollection services)
        {
            services.AddHttpContextAccessor();

            services.AddScoped<IUserProvider, UserProvider>();
            services.AddScoped<IRoleProvider, RoleProvider>();
            services.AddScoped<IPermissionProvider, PermissionProvider>();
            services.AddScoped<IPermissionProvider, PermissionProvider>();
            services.AddScoped<IModuleProvider, ModuleProvider>();
            return services;
        }

        private static IServiceCollection AddLogs(this IServiceCollection services)
        {
            services.AddLogging();
            var serviceProvider = services.BuildServiceProvider();
            //var logger = serviceProvider.GetService<ILogger<DashboardDALService>>(); //Add for Markup class later TODO

            //services.AddSingleton(typeof(ILogger), logger);

            return services;
        }

        private static IServiceCollection AddRedisCacheService(this IServiceCollection services, IConfiguration configuration)
        {
            var source = configuration.GetSection("ConnectionStrings");

            var redisConnectionString = source["Redis"]?.ToString();

            if (string.IsNullOrEmpty(redisConnectionString))
            {
                throw new InvalidOperationException("Redis connection string is not configured.");
            }

            services.AddSingleton<ICacheService>(provider =>
                new CacheService(redisConnectionString, provider.GetRequiredService<ILogger<CacheService>>()));

            return services;
        }
    }
}