using BMA.EHR.Application;
using BMA.EHR.Application.Repositories.Reports;
using BMA.EHR.Domain.Middlewares;
using BMA.EHR.Infrastructure;
using BMA.EHR.Infrastructure.Persistence;
using BMA.EHR.Insignia.Service;
using BMA.EHR.Insignia.Service.Filters;
using BMA.EHR.Insignia.Service.Services;
using Hangfire;
using Hangfire.Common;
using Hangfire.MySql;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ApiExplorer;
using Microsoft.AspNetCore.Mvc.Versioning;
using Microsoft.EntityFrameworkCore;
using Microsoft.IdentityModel.Logging;
using Microsoft.IdentityModel.Tokens;
using Serilog;
using Serilog.Exceptions;
using Serilog.Sinks.Elasticsearch;
using System.Text;
using System.Transactions;

var builder = WebApplication.CreateBuilder(args);
{
    var issuer = builder.Configuration["Jwt:Issuer"];
    var key = builder.Configuration["Jwt:Key"];

    IdentityModelEventSource.ShowPII = true;

    builder.Services.AddHttpContextAccessor();

    builder.Services.AddApiVersioning(opt =>
    {
        opt.DefaultApiVersion = new ApiVersion(1, 0);
        opt.AssumeDefaultVersionWhenUnspecified = true;
        opt.ReportApiVersions = true;
        opt.ApiVersionReader = ApiVersionReader.Combine(new UrlSegmentApiVersionReader(),
                                                        new HeaderApiVersionReader("x-api-version"),
                                                        new MediaTypeApiVersionReader("x-api-version"));
    });

    builder.Services.AddVersionedApiExplorer(setup =>
    {
        setup.GroupNameFormat = "'v'VVV";
        setup.SubstituteApiVersionInUrl = true;
    });

    builder.Services.AddEndpointsApiExplorer();

    // Authorization
    builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme).AddJwtBearer(opt =>
    {
        opt.RequireHttpsMetadata = false; //false for dev
        opt.Authority = issuer;
        opt.TokenValidationParameters = new()
        {
            ValidateIssuer = true,
            ValidateAudience = false,
            ValidateLifetime = true,
            ValidateIssuerSigningKey = true,
            ValidIssuer = issuer,
            IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(key))
        };
    });
    builder.Services.AddAuthorization();

    // use serilog
    //ConfigureLogs();
    //builder.Host.UseSerilog();

    // Add config CORS
    builder.Services.AddCors(options => options.AddDefaultPolicy(builder =>
    {
        builder
            .AllowAnyOrigin()
            .AllowAnyMethod()
            .AllowAnyHeader()
            .SetIsOriginAllowedToAllowWildcardSubdomains();
    }));


    // Add services to the container.
    builder.Services.AddApplication();
    builder.Services.AddPersistence(builder.Configuration);

    builder.Services.AddLeaveApplication();
    builder.Services.AddLeavePersistence(builder.Configuration);

    builder.Services.AddSingleton<IBackgroundTaskQueue, BackgroundTaskQueue>();
    builder.Services.AddHostedService<InsigniaRequestProcessService>();



    builder.Services.AddControllers(options =>
    {
        options.SuppressAsyncSuffixInActionNames = false;
    })
    .AddNewtonsoftJson(x => x.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore);

    builder.Services.AddSwaggerGen();
    builder.Services.ConfigureOptions<ConfigureSwaggerOptions>();

    // Register DbContext
    var defaultConnection = builder.Configuration.GetConnectionString("DefaultConnection");
    builder.Services.AddDbContext<ApplicationDBContext>(options =>
                    options.UseMySql(defaultConnection, ServerVersion.AutoDetect(defaultConnection)), ServiceLifetime.Transient);
    builder.Services.AddHealthChecks();
    // Add Hangfire services.
    builder.Services.AddHangfire(configuration => configuration
        .SetDataCompatibilityLevel(CompatibilityLevel.Version_170)
        .UseSimpleAssemblyNameTypeSerializer()
        .UseRecommendedSerializerSettings()
        .UseStorage(
            new MySqlStorage(
                defaultConnection,
                new MySqlStorageOptions
                {
                    TransactionIsolationLevel = IsolationLevel.ReadCommitted,
                    QueuePollInterval = TimeSpan.FromSeconds(15),
                    JobExpirationCheckInterval = TimeSpan.FromHours(1),
                    CountersAggregateInterval = TimeSpan.FromMinutes(5),
                    PrepareSchemaIfNecessary = true,
                    DashboardJobListLimit = 50000,
                    TransactionTimeout = TimeSpan.FromMinutes(1),
                    InvisibilityTimeout = TimeSpan.FromHours(3),
                    TablesPrefix = "Hangfire_Insignia"
                })));
    builder.Services.AddHangfireServer(options =>
    {
        options.ServerName = "Insignia-Server";  // ← ระบุชื่อ server
        options.WorkerCount = 5;  // ← 
        options.Queues = new[] { "insignia","default" };  // ← worker จะรันเฉพาะ queue "insignia"
    });


    // RabbitMQ
    //builder.Services.AddTransient<RabbitMQConsumer>(provider =>
    //{
    //    var serviceScopeFactory = provider.GetRequiredService<IServiceScopeFactory>();
    //    var userRepo = provider.GetRequiredService<UserProfileRepository>();
    //    var insigniaRepo = provider.GetRequiredService<InsigniaPeriodsRepository>();
    //    var httpContext = provider.GetRequiredService<IHttpContextAccessor>();
    //    var config = provider.GetRequiredService<IConfiguration>();

    //    return new RabbitMQConsumer(userRepo, insigniaRepo, httpContext, serviceScopeFactory, config);
    //});
}

var app = builder.Build();
{
    var apiVersionDescriptionProvider = app.Services.GetRequiredService<IApiVersionDescriptionProvider>();

    if (app.Environment.IsDevelopment())
    {
        app.UseSwagger();
        app.UseSwaggerUI(options =>
        {
            foreach (var description in apiVersionDescriptionProvider.ApiVersionDescriptions)
            {
                options.SwaggerEndpoint($"/swagger/{description.GroupName}/swagger.json",
                    description.GroupName.ToUpperInvariant());
            }
        });
    }

    app.MapHealthChecks("/health");




    app.UseHttpsRedirection();
    app.UseCors();
    app.UseMiddleware<CombinedErrorHandlerAndLoggingMiddleware>();
    app.UseAuthentication();
    app.UseAuthorization();
    app.UseDefaultFiles();
    app.UseStaticFiles();
    app.MapControllers();
    // app.UseMiddleware<ErrorHandlerMiddleware>();
    // app.UseMiddleware<RequestLoggingMiddleware>();
    app.UseHangfireDashboard("/hangfire", new DashboardOptions()
    {
        Authorization = new[] { new CustomAuthorizeFilter() }
    });
    var manager = new RecurringJobManager();
    if (manager != null)
    {
        manager.AddOrUpdate("แจ้งเตือนรอบเครื่องราชฯ", Job.FromExpression<InsigniaReportRepository>(x => x.NotifyInsignia()), Cron.Daily(Int32.Parse(builder.Configuration["KeycloakCron:Hour"]), Int32.Parse(builder.Configuration["KeycloakCron:Minute"])), TimeZoneInfo.Local);
        manager.AddOrUpdate("ล็อกข้อมูลรอบเครื่องราชฯ", Job.FromExpression<InsigniaReportRepository>(x => x.LockInsignia()), Cron.Daily(Int32.Parse(builder.Configuration["KeycloakCron:Hour"]), Int32.Parse(builder.Configuration["KeycloakCron:Minute"])), TimeZoneInfo.Local);
        //manager.AddOrUpdate("คำนวนผู้ได้รับเครื่องราชฯ", () => CalculateInsigniaRequestBkkByType("officer"), Cron.Daily(Int32.Parse(builder.Configuration["KeycloakCron:Hour"]), Int32.Parse(builder.Configuration["KeycloakCron:Minute"])), TimeZoneInfo.Local);
        //manager.AddOrUpdate("คำนวนผู้ได้รับเครื่องราชฯ Employee", Job.FromExpression<InsigniaReportRepository>(x => x.CalInsigniaRequestBkkByType("employee")), Cron.Daily(Int32.Parse(builder.Configuration["KeycloakCron:Hour"]), Int32.Parse(builder.Configuration["KeycloakCron:Minute"])), TimeZoneInfo.Local);
    }

    RecurringJob.AddOrUpdate<InsigniaReportRepository>(
        "คำนวนผู้ได้รับเครื่องราชฯ",
        x => x.CalculateInsigniaRequestBkkByType("officer"),
        Cron.Daily(Int32.Parse(builder.Configuration["KeycloakCron:Hour"]) - 5,
                Int32.Parse(builder.Configuration["KeycloakCron:Minute"])),
        new RecurringJobOptions
        {
            TimeZone = TimeZoneInfo.Local,
            QueueName = "insignia"  // ← กำหนด queue
        }
    );

    RecurringJob.AddOrUpdate<InsigniaReportRepository>(
        "คำนวนผู้ได้รับเครื่องราชฯ Employee",
        x => x.CalculateInsigniaRequestBkkByType("employee"),
        Cron.Daily(Int32.Parse(builder.Configuration["KeycloakCron:Hour"]) - 4,
                Int32.Parse(builder.Configuration["KeycloakCron:Minute"])),
        new RecurringJobOptions
        {
            TimeZone = TimeZoneInfo.Local,
            QueueName = "insignia"  // ← กำหนด queue
        }
    );

    // apply migrations
    await using var scope = app.Services.CreateAsyncScope();
    await using var db = scope.ServiceProvider.GetRequiredService<ApplicationDBContext>();
    await db.Database.MigrateAsync();

    //var rabbitMQConsumer = app.Services.GetRequiredService<RabbitMQConsumer>();
    //rabbitMQConsumer.StartReceiving();



    app.Run();
}



void ConfigureLogs()
{
    var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
    var configuration = new ConfigurationBuilder()
        .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
        .AddJsonFile(
            $"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT")}.json",
            optional: true)
        .Build();

    Log.Logger = new LoggerConfiguration()
        .Enrich.FromLogContext()
        .MinimumLevel.Error()
        .WriteTo.Console()
        .Enrich.WithExceptionDetails()
        .WriteTo.Elasticsearch(ConfigureElasticSink(configuration, environment ?? ""))
        .Enrich.WithProperty("Environment", environment)
        .ReadFrom.Configuration(configuration)
        .CreateLogger();
}

ElasticsearchSinkOptions ConfigureElasticSink(IConfigurationRoot configuration, string environment)
{
    return new ElasticsearchSinkOptions(new Uri(configuration["ElasticConfiguration:Uri"] ?? ""))
    {
        AutoRegisterTemplate = true,
        IndexFormat = "bma-ehr-log-index",
        //IndexFormat = $"{Assembly.GetExecutingAssembly()?.GetName()?.Name?.ToLower().Replace(".", "-")}-{environment?.ToLower().Replace(".", "-")}"
    };
}