using Autofac.Extensions.DependencyInjection;
using AutoMapper;
using back.Domain;
using back.Infrastructure;
using MCVIngenieros.Healthchecks;
using MediatR.Extensions.FluentValidation.AspNetCore;
using Microsoft.EntityFrameworkCore;
using OpenTelemetry.Logs;
using OpenTelemetry.Metrics;
using OpenTelemetry.Resources;
using OpenTelemetry.Trace;
using Scalar.AspNetCore;
using Serilog;

namespace back;

public class Program
{
	public static void Main(string[] args)
	{
		var configFiles = Path.Combine(AppContext.BaseDirectory, "configs");
		if (!Directory.Exists(configFiles))
		{
			Directory.CreateDirectory(configFiles);
		}

		var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production";

		var configurationBuilder = new ConfigurationBuilder()
			.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
			.AddJsonFile($"appsettings.{environment}.json", optional: false, reloadOnChange: true);

		var configs = Directory.GetFiles(configFiles, "*.json", SearchOption.AllDirectories);
		foreach (var config in configs)
		{
			configurationBuilder.AddJsonFile(config, optional: true, reloadOnChange: true);
		}

		var configuration = configurationBuilder.Build();

		Log.Logger = new LoggerConfiguration()
			.ReadFrom.Configuration(configuration)
			.MinimumLevel.Verbose()
			.Enrich.FromLogContext()
			.CreateLogger();

		try
		{
			var builder = WebApplication.CreateBuilder(args);
			builder.Configuration.AddConfiguration(configuration);
			builder.Host.UseSerilog();
			builder.Host.UseServiceProviderFactory(new AutofacServiceProviderFactory());

			builder.Services.AddMediatR(cfg =>
			{
				cfg.RegisterServicesFromAssembly(typeof(Program).Assembly);
			});

			builder.Services.AddFluentValidation([typeof(Program).Assembly]);
			builder.Services.AddAutoMapper(opts =>
			{
				opts.AddProfile<AutoMapperProfile>();
				opts.AllowNullCollections = true;
				opts.AllowNullDestinationValues = true;
				opts.DestinationMemberNamingConvention = new PascalCaseNamingConvention();
			});

			builder.Services.AddHealthChecksSupport().DiscoverHealthChecks();
			builder.Services.AddLogging();
			builder.Logging.AddOpenTelemetry(options =>
			{
				options
					.SetResourceBuilder(
						ResourceBuilder.CreateDefault()
							.AddService(AppDomain.CurrentDomain.FriendlyName))
					.AddConsoleExporter();
			});
			builder.Services.AddOpenTelemetry()
				.ConfigureResource(resource => resource.AddService(AppDomain.CurrentDomain.FriendlyName))
				.WithTracing(tracing => tracing
				.AddAspNetCoreInstrumentation()
				.AddConsoleExporter())
				.WithMetrics(metrics => metrics
				.AddAspNetCoreInstrumentation()
				.AddConsoleExporter());

			builder.Services.AddDataProtection();

			builder.Services.AddCors(options =>
			{
				options.AddDefaultPolicy(policy =>
				{
					policy
					.WithOrigins(builder.Configuration.GetSection("AllowedHosts").Get<string[]>() ?? [])
					.SetIsOriginAllowedToAllowWildcardSubdomains()
					.SetPreflightMaxAge(TimeSpan.FromMinutes(10))
					.AllowCredentials()
					.AllowAnyHeader()
					.AllowAnyMethod();
				});
			});
			builder.Services.AddHttpContextAccessor();
			builder.Services.AddAntiforgery(options =>
			{
				options.HeaderName = "X-XSRF-TOKEN";
			});

			builder.Services.AddDbContext<ApplicationDbContext>(opts =>
			{
				var connectionString = builder.Configuration.GetConnectionString("DefaultConnection");
				opts.UseSqlite(connectionString);
			});

			builder.Services.AddControllers(options =>
			{
				options.Filters.Add(new Microsoft.AspNetCore.Mvc.RequireHttpsAttribute());
			});
			// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
			builder.Services.AddOpenApi();

			var app = builder.Build();

			// Configure the HTTP request pipeline.
			if (app.Environment.IsDevelopment())
			{
				app.MapOpenApi();
				app.MapScalarApiReference("/api-docs", opt =>
				{
					opt.WithTitle("My API Documentation");
				});
			}

			app.UseHttpsRedirection();

			app.UseAuthorization();

			app.MapControllers();

			app.Run();
		}
		catch (Exception ex)
		{
			Log.Fatal(ex, "Application start-up failed");
		}
		finally
		{
			Log.CloseAndFlush();
		}
	}
}