using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.Extensions.Options;

using MongoDB.Driver;
using MongoDB.Entities;

using Serilog;

using PrivaPub.Data;
using PrivaPub.Extensions;
using PrivaPub.Middleware;
using PrivaPub.Models;
using PrivaPub.Models.Data;
using PrivaPub.Services;
using PrivaPub.StaticServices;

try
{
	var builder = WebApplication.CreateBuilder(args);
	builder.WebHost.ConfigureKestrel(serverOptions =>
	{
		if (builder.Environment.IsProduction())
		{
			serverOptions.ListenLocalhost(6970
			 //, options =>
			 //{
			 // options.Protocols = HttpProtocols.Http1AndHttp2AndHttp3;
			 //}
			 );
			serverOptions.UseSystemd();
			serverOptions.AddServerHeader = false;
		}
	});
	builder.Host.UseSerilog((context, config) =>
	{
		config.ReadFrom.Configuration(context.Configuration);
	});

	try
	{
		builder.Services.PrivaPubAppSettingsConfiguration(builder.Configuration)
			.PrivaPubWorkersConfiguration()
			.PrivaPubAuthServicesConfiguration(builder.Configuration)
			.PrivaPubInternalizationConfiguration(builder.Configuration)
			.PrivaPubOptimizationConfiguration()
			.PrivaPubDataBaseConfiguration()
			.PrivaPubServicesConfiguration()
			.PrivaPubHTTPSignature(builder.Configuration)
			.PrivaPubCORSConfiguration()
			.PrivaPubMiddlewareConfiguration();
	}
	catch (Exception ex)
	{
		Log.ForContext<Program>().Fatal(ex, "{0}.{1}()", nameof(Program), "ConfigureServices");
		throw;
	}

	try
	{
		var mongoSettings = builder.Configuration.GetSection(nameof(MongoSettings)).Get<MongoSettings>();
		await DB.InitAsync(mongoSettings.Database, MongoClientSettings.FromConnectionString(mongoSettings.ConnectionString));
		var logsConnectionString = builder.Configuration.GetLogsConnectionString();
		await DB.InitAsync(mongoSettings.LogsDatabase, MongoClientSettings.FromConnectionString(logsConnectionString));
		DB.DatabaseFor<PrivaPub>(mongoSettings.LogsDatabase);
	}
	catch (Exception ex)
	{
		Log.ForContext<Program>().Fatal(ex, $"{nameof(Program)}.{nameof(Program)}() DB Instantiation");
		throw;
	}

	var app = default(WebApplication);
	try
	{
		app = builder.Build();
	}
	catch (Exception ex)
	{
		Log.ForContext<Program>().Fatal(ex, "{0}.{1}()", nameof(Program), "Build");
		throw;
	}

	try
	{
		var localizationService = app.Services.GetService<RequestLocalizationOptionsService>();
		if (app.Environment.IsProduction())
		{
			app.UseResponseCompression();
			app.UseForwardedHeaders(new()
			{
				ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto
			});
		}
		else if(app.Environment.IsDevelopment())
		{
			app.UseSwagger();
			app.UseSwaggerUI();
		}

		app.UseHttpsRedirection();
		app.UseCors("DefaultCORS");

		app.UseStaticFiles();

		app.UseRequestLocalization(await localizationService.Get());

		app.UseRouting();

		app.UseAuthentication();
		app.UseAuthorization();
		//app.UseWhen(context => context.Request.Path.StartsWithSegments("/peasants") ||
		//		context.Request.Path.StartsWithSegments("/users"),
		//		app => app.UseSignatureVerification().UseDigestVerification());

		app.MapControllers();
		//app.MapFallbackToFile("index.html");
	}
	catch (Exception ex)
	{
		Log.ForContext<Program>().Fatal(ex, "{0}.{1}()", nameof(Program), "Use");
		throw;
	}

	Log.ForContext<Program>().Information($"Starting collAnon at {nameof(Program)}()");
	try
	{
		var dbClient = app.Services.GetService(typeof(DbEntities)) as DbEntities;
		var passwordHasher = app.Services.GetService(typeof(IPasswordHasher)) as IPasswordHasher;
		await dbClient.Init(passwordHasher);
	}
	catch (Exception ex)
	{
		Log.ForContext<Program>().Warning(ex, $"{nameof(Program)}.{nameof(Program)}() DB Init");
	}

	await app.RunAsync();
}
catch (Exception ex)
{
	Log.ForContext<Program>().Fatal(ex, $"{nameof(Program)}.{nameof(Program)}()");
}