using DigitalData.Core.Client;
using EnvelopeGenerator.Application.Common.Configurations;
using EnvelopeGenerator.Application.Common.Interfaces.Services;
using EnvelopeGenerator.Application.Services;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using QRCoder;
using System.Reflection;
using MediatR;
using EnvelopeGenerator.Application.DocReceiverElements.Commands;
using EnvelopeGenerator.Application.DocReceiverElements.Behaviors;

namespace EnvelopeGenerator.Application;

/// <summary>
/// Extensions method for dependency injection
/// </summary>
public static class DependencyInjection
{
    /// <summary>
    /// Adds all required services for envelope generator application
    /// </summary>
    /// <param name="services"></param>
    /// <param name="config"></param>
    /// <returns></returns>
    [Obsolete("Use MediatR")]
    public static IServiceCollection AddEnvelopeGeneratorServices(this IServiceCollection services, IConfiguration config)
    {
        //Inject CRUD Service and repositoriesad
        services.TryAddScoped<IConfigService, ConfigService>();
        services.TryAddScoped<IDocumentReceiverElementService, DocumentReceiverElementService>();
        services.TryAddScoped<IEnvelopeDocumentService, EnvelopeDocumentService>();
        services.TryAddScoped<IEnvelopeHistoryService, EnvelopeHistoryService>();
        services.TryAddScoped<IDocumentStatusService, DocumentStatusService>();
        services.TryAddScoped<IEmailTemplateService, EmailTemplateService>();
        services.TryAddScoped<IEnvelopeService, EnvelopeService>();
        services.TryAddScoped<IEnvelopeDocumentService, EnvelopeDocumentService>();
        services.TryAddScoped<IEnvelopeReceiverService, EnvelopeReceiverService>();
        services.TryAddScoped<IEnvelopeTypeService, EnvelopeTypeService>();
        services.TryAddScoped<IReceiverService, ReceiverService>();
        services.TryAddScoped<IEnvelopeReceiverReadOnlyService, EnvelopeReceiverReadOnlyService>();

        //Auto mapping profiles
        services.AddAutoMapper(Assembly.GetExecutingAssembly());
        services.AddAutoMapper(typeof(DigitalData.UserManager.Application.DIExtensions));

        services.Configure<DispatcherParams>(config.GetSection(nameof(DispatcherParams)));
        services.Configure<MailParams>(config.GetSection(nameof(MailParams)));
        services.Configure<AuthenticatorParams>(config.GetSection(nameof(AuthenticatorParams)));
        services.Configure<TotpSmsParams>(config.GetSection(nameof(TotpSmsParams)));

        services.AddHttpClientService<GtxMessagingParams>(config.GetSection(nameof(GtxMessagingParams)));
        services.TryAddSingleton<ISmsSender, GTXSmsSender>();
        services.TryAddSingleton<IEnvelopeSmsHandler, EnvelopeSmsHandler>();
        services.TryAddSingleton<IAuthenticator, Authenticator>();
        services.TryAddSingleton<QRCodeGenerator>();

        services.AddMediatR(cfg =>
        {
            cfg.RegisterServicesFromAssembly(Assembly.GetExecutingAssembly());
            
            // Register SignCommand pipeline behaviors in execution order
            // 0. EnvelopeReceiverResolutionBehavior - Resolves EnvelopeReceiver from query parameters (executes FIRST)
            cfg.AddBehavior<IPipelineBehavior<SigningCommand, Unit>, EnvelopeReceiverResolutionBehavior>();
            
            // 1. AnnotationBehavior - Saves annotations (executes second)
            cfg.AddBehavior<IPipelineBehavior<SigningCommand, Unit>, AnnotationBehavior>();
            
            // 2. DocStatusBehavior - Creates document status (executes third)
            cfg.AddBehavior<IPipelineBehavior<SigningCommand, Unit>, DocStatusBehavior>();

            // 3. HistoryBehavior - Records history (executes fourth)
            cfg.AddBehavior<IPipelineBehavior<SigningCommand, Unit>, HistoryBehavior>();
            
            // 4. SendSignedMailBehavior - Sends notification email (executes LAST, only if all previous succeed)
            cfg.AddBehavior<IPipelineBehavior<SigningCommand, Unit>, SendSignedMailBehavior>();
        });

        return services;
    }
}