using Microsoft.EntityFrameworkCore;
using RhSolutions.Models;
using RhSolutions.Api.Services;
using RhSolutions.Api.Middleware;
using RhSolutions.MLModifiers;
using Microsoft.OpenApi.Models;
using System.Reflection;
using Microsoft.AspNetCore.Identity;
using System.Text;
using Microsoft.IdentityModel.Tokens;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using System.Security.Claims;

var builder = WebApplication.CreateBuilder(args);
ConnectionStringsUtil connectionStringsUtil = new(builder.Configuration);

builder.Services.AddDbContext<RhSolutionsContext>(opts =>
{
	opts.UseNpgsql(connectionStringsUtil.GetRhDbString());
	if (builder.Environment.IsDevelopment())
	{
		opts.EnableSensitiveDataLogging(true);
	}
});
builder.Services.AddDbContext<IdentityContext>(opts =>
{
	opts.UseNpgsql(connectionStringsUtil.GetIdentityDbString());
});

builder.Services.AddIdentity<IdentityUser, IdentityRole>()
	.AddEntityFrameworkStores<IdentityContext>();

builder.Services.AddScoped<IPricelistParser, ClosedXMLParser>()
	.AddScoped<IProductTypePredicter, ProductTypePredicter>();
builder.Services.AddModifiers();
builder.Services.AddControllers();
builder.Services.AddSwaggerGen(options =>
{
	options.SwaggerDoc("v1", new OpenApiInfo
	{
		Version = "v1",
		Title = "RhSolutions API",
		Description = "API к базе данных артикулов РЕХАУ для поиска с помощью ML.NET и полнотестового поиска PostgreSQL",
		Contact = new OpenApiContact
		{
			Name = "Serghei Cebotari",
			Url = new Uri("https://cebotari.ru/"),
			Email = @"serghei@cebotari.ru"
		}

	});	

	var xmlFilename = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
	options.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, xmlFilename));
});
builder.Services.AddAuthentication()
	.AddJwtBearer(opts =>
	{
		opts.RequireHttpsMetadata = false;
		opts.SaveToken = true;
		opts.TokenValidationParameters = new()
		{
			ValidateIssuerSigningKey = true,
			IssuerSigningKey = new SymmetricSecurityKey(
				Encoding.ASCII.GetBytes(builder.Configuration["JWT_SECRET"] ?? "mold-smartness-arrive-overstate-aspirin")),
			ValidateAudience = false,
			ValidateIssuer = false
		};
		opts.Events = new JwtBearerEvents()
		{
			OnTokenValidated = async context =>
			{
				var userManager = context.HttpContext.RequestServices
					.GetRequiredService<UserManager<IdentityUser>>();
				var signInManager = context.HttpContext.RequestServices
					.GetRequiredService<SignInManager<IdentityUser>>();
				string username = context.Principal!.FindFirst(ClaimTypes.Name)!.Value;
				IdentityUser? idUser = await userManager.FindByNameAsync(username);
				context.Principal = await signInManager.CreateUserPrincipalAsync(idUser!);
			}
		};
	});

var app = builder.Build();

app.MapControllers();
app.UseMiddleware<QueryModifier>();
app.UseSwagger().UseSwaggerUI(options =>
{
	options.SwaggerEndpoint("/swagger/v1/swagger.json", "v1");
	options.RoutePrefix = string.Empty;
});
app.UseAuthentication();
app.UseAuthorization();
IdentitySeedData.CreateAdminAccount(app.Services, app.Configuration);

app.Run();