using System;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.EntityFrameworkCore;
using Microsoft.OpenApi.Models;
using Microsoft.Extensions.Hosting;
using Newtonsoft.Json;
using MassTransit;
using Serilog;
using LCU.API.Internal.MaidBotApi.HostedService;
using LCU.Api.Internal.MaidBotApi.Services;
using LCU.Api.Internal.MaidBotApi.EnvironmentView;
using LCU.Api.Internal.MaidBotLib.Repositories;
using LCU.Api.Internal.MaidBotLib.Persistence;
using LCU.Library.Internal.LcuMassTransitModels;
using LCU.Library.Internal.LcuMassTransit;
using LCU.Api.Internal.MaidBotApi.Consumers;
using LCU.Api.Internal.MaidBotApi.Configurations;
using LCU.Library.Internal.Logging.Models;
using LCU.Library.Internal.Logging;
using LCU.Library.Internal.Logging.Middleware;
using LCU.Library.Internal.LcuHttpClient;
using LCU.Api.Internal.MaidBotApi.DataAccesses;
namespace LCU.API.Internal.MaidBot;

public class Program
{
    static string MyAllowSpecificOrigins = "_myAllowSpecificOrigins";

    public static void Main(string[] args)
    {
        var builder = BuildBuilder(args);
        BuildServicesAndConfigurations(builder);
        BuildAppAndRun(builder);
    }

    private static WebApplicationBuilder BuildBuilder(string[] args)
    {
        var builder = WebApplication.CreateBuilder(args);
        builder.Host.UseSerilog();
        builder.Configuration.AddJsonFile("/app/config/environment-appsettings/appsettings.json", optional: true, reloadOnChange: true);
        builder.Configuration.AddJsonFile("/app/config/workload-appsettings/appsettings.json", optional: true, reloadOnChange: true);
        builder.Configuration.AddJsonFile("/vault/secrets/maidbot-api-seq-api-key.json", optional: true, reloadOnChange: true);
        builder.Configuration.AddJsonFile("/vault/secrets/maidbot-api-connection-configuration-password.json", optional: true, reloadOnChange: true);
        builder.Configuration.AddJsonFile("/vault/secrets/maidbot-api-connection-configuration-username.json", optional: true, reloadOnChange: true);
        builder.Configuration.AddJsonFile("/vault/secrets/maidbot-database-connection.json", optional: true, reloadOnChange: true);
        return builder;
    }

    static void BuildServicesAndConfigurations(WebApplicationBuilder builder)
    {
        var services = builder.Services;
        var configuration = builder.Configuration;
        services.AddControllers();
        // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
        services.AddEndpointsApiExplorer();
        services.AddSwaggerGen();

        services.AddDbContext<AppDbContext>(options =>
        {
            options.UseSqlServer(configuration.GetSection("Connections").GetSection("SQL").GetSection("MaidBotDB").Value);
        });

        services.AddHttpClient();
        services.AddLCUHttpServices();

        //Configurations
        var apiConfiguration = new ApiConfiguration();
        configuration.GetSection("Primary").Bind(apiConfiguration);
        services.AddSingleton(apiConfiguration);
        //debugging
        Console.WriteLine(JsonConvert.SerializeObject(apiConfiguration));

        var connectionConfiguration = MassTransitConfigurationSetUp.AddConnectionConfiguration(ref services, configuration);
        //debugging
        Console.WriteLine(JsonConvert.SerializeObject(connectionConfiguration));

        var receiveEndpointConfiguration = new ReceiveEndpointConfiguration();
        receiveEndpointConfiguration = MassTransitConfigurationSetUp.GetReceiveEndpointConfiguration(configuration, "ReceiveEndpoint");
        services.AddSingleton(receiveEndpointConfiguration);
        //debugging
        Console.WriteLine(JsonConvert.SerializeObject(receiveEndpointConfiguration));

        //EnvironmentView
        services.AddScoped<IEnvironmentView, EnvironmentView>();

        var loggerConfiguration = new LoggingConfiguration(apiConfiguration.AppName,
                                                       apiConfiguration.SeqApiKey,
                                                       apiConfiguration.SeqUrl);
        var lcuLogging = new LcuLogging(loggerConfiguration);
        lcuLogging.UseLcuLogging();

        services.AddCors(options =>
        {
            options.AddPolicy(MyAllowSpecificOrigins,
                builder =>
                {
                    builder.WithOrigins(
                        apiConfiguration.CorsAllowedOrigins
                    ).AllowAnyHeader().AllowAnyMethod();
                });
        });

        AddMaidBotServices(ref services);
        AddMaidBotLib(ref services);
        AddMaidBotDataAccesses(ref services);
        AddMassTransitServices(ref services, connectionConfiguration, receiveEndpointConfiguration, apiConfiguration);

        // The Hosted 
        services.AddHostedService<SchedulerHostedService>();

        // Register the Swagger generator, defining 1 or more Swagger documents
        services.AddSwaggerGen(c => { c.SwaggerDoc("v1", new OpenApiInfo { Title = $"{apiConfiguration.AppName}", Version = "v1" }); });

        services.Configure<ApiBehaviorOptions>(options =>
        {
            options.SuppressModelStateInvalidFilter = true;
        });
    }

    static void AddMaidBotServices(ref IServiceCollection services)
    {
        services.AddScoped<ILogDistributionService, LogDistributionService>();
        services.AddScoped<IQueueEventLogService, QueueEventLogService>();
        services.AddScoped<INotificationsApiService, NotificationsApiService>();        
        services.AddScoped<ILoggingMatrixService, LoggingMatrixService>();
        services.AddScoped<IEventLogService, EventLogService>();
        services.AddScoped<IDebugEventLogService, DebugEventLogService>();
    }

    static void AddMaidBotLib(ref IServiceCollection services)
    {
        services.AddScoped<ILoggingMatrixRepository, LoggingMatrixRepository>();
        services.AddScoped<IEventLogRepository, EventLogRepository>();
        services.AddScoped<IDebugEventLogRepository, DebugEventLogRepository>();
        services.AddScoped<IUnitOfWork, UnitOfWork>();
    }

    static void AddMaidBotDataAccesses(ref IServiceCollection services)
    {
        services.AddScoped<INotificationsApiDao, NotificationsApiDao>();
    }

    static void AddMassTransitServices(ref IServiceCollection services,
                                ConnectionConfiguration connectionConfiguration,
                                ReceiveEndpointConfiguration receiveEndpointConfiguration,
                                ApiConfiguration apiConfiguration)
    {
        services.AddMassTransit(x =>
        {
            x.AddConsumer<LoggingEventConsumer>();

            x.UsingRabbitMq((context, cfg) =>
            {
                cfg.Host(connectionConfiguration.HostUrl, "/", host =>
                {
                    host.Username(connectionConfiguration.UserName);
                    host.Password(connectionConfiguration.Password);
                });
                cfg.UseTimeout(t => t.Timeout = TimeSpan.FromSeconds(420));

                if (apiConfiguration.FeatureFlags.LoggingEventConsumer)
                {
                    cfg.ReceiveEndpoint(receiveEndpointConfiguration.ReceiveEndpoint, e =>
                    {
                        e.ConfigureConsumer<LoggingEventConsumer>(context);
                        e.SetQuorumQueue();
                        e.PrefetchCount = receiveEndpointConfiguration.PrefetchLimit;
                        e.UseTimeout(t => t.Timeout = TimeSpan.FromSeconds(420));
                    });
                }
            });
        });
        services.AddMassTransitHostedService();
    }

    static void BuildAppAndRun(WebApplicationBuilder builder)
    {
        var app = builder.Build();

        // Configure the HTTP request pipeline.
        if (app.Environment.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
        }

        app.UseSwagger();
        app.UseSwaggerUI(c => c.SwaggerEndpoint("v1/swagger.json", "LCU.Api.Internal.MaidBotApi v1"));
        app.UseMiddleware<RequestResponseLoggingMiddleware>();
        app.UseSerilogRequestLogging(options =>
        {
            options.EnrichDiagnosticContext = RequestResponseLoggingMiddleware.RequestDataParser.EnrichFromRequest;
        });

        app.UseRouting();
        app.UseCors(MyAllowSpecificOrigins);
        app.UseHttpsRedirection();
        app.UseAuthorization();
        app.MapControllers();
        app.UseEndpoints(endpoints => { endpoints.MapControllers(); });

        app.Run();
    }
}