using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Authentication.OAuth;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Options;
using Microsoft.IdentityModel.Tokens;
using Microsoft.OpenApi.Any;
using Microsoft.OpenApi.Models;
using Npgsql;
using OnlineMetodist.API.Data;
using OnlineMetodist.API.Models;
using OnlineMetodist.API.Services;
using System.Text;
using System.Text.Json.Serialization;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

builder.Services.AddControllers()
	.AddJsonOptions(options =>
	{
		options.JsonSerializerOptions.Converters.Add(new DateOnlyJsonConverter());
	});

// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();

builder.Logging.ClearProviders();
builder.Logging.AddConsole();

//на время разработки
builder.Services.AddProblemDetails();

//swagger
builder.Services.AddSwaggerGen(options =>
{
	options.SwaggerDoc("v1", new OpenApiInfo
    {
        Title = "OnlineMetodist API",
        Version = "v1",
        Description = "ASP.NET Core Web API для управления даными Онлайн Методиста"
    });
    options.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
    {
        In = ParameterLocation.Header,
        Description = "Please enter a valid token",
        Name = "Authorization",
        Type = SecuritySchemeType.Http,
        BearerFormat = "JWT",
        Scheme = "Bearer"
    });
    options.AddSecurityRequirement(new OpenApiSecurityRequirement
    {
         {
            new OpenApiSecurityScheme
            {
                Reference = new OpenApiReference
                {
                    Type=ReferenceType.SecurityScheme,
                    Id="Bearer"
                }
            },
                new List<string>()
         }
    });
	options.MapType<DateOnly>(() => new OpenApiSchema
	{
		Type = "string",
		Format = "date",
		Example = new OpenApiString("2022-01-01")
	});
});

//Добавление БД
builder.Services.AddDbContext<OnlineMetodistDbContext>(options =>
options.UseNpgsql(
    builder.Configuration.GetConnectionString("DefaultConnection")));

builder.Services.AddScoped<TokenService, TokenService>();

//builder.Services.AddControllers().AddJsonOptions(opt =>
//{
//	opt.JsonSerializerOptions.Converters.Add(new JsonConverter<DateOnly>());
//});

//Добавление Identity для пользователей
builder.Services.AddIdentity<ApplicationUser, IdentityRole>(options =>
{
	options.SignIn.RequireConfirmedAccount = false;
	options.Password.RequiredLength = 6;
    options.Password.RequireDigit = false;
    options.Password.RequireNonAlphanumeric = false;
    options.Password.RequireUppercase = false;
    options.User.RequireUniqueEmail = true;
})
    .AddRoles<IdentityRole>() //добавлени ролей?
    .AddEntityFrameworkStores<OnlineMetodistDbContext>(); //добавление ЕФ хранилища

var validIssuer = builder.Configuration.GetValue<string>("JwtTokenSettings:ValidIssuer");
var validAudience = builder.Configuration.GetValue<string>("JwtTokenSettings:ValidAudience");
var symmetricSecurityKey = builder.Configuration.GetValue<string>("JwtTokenSettings:SymmetricSecurityKey");

builder.Services.AddAuthentication(options => {
	options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
	options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
	options.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
})
	.AddJwtBearer(options =>
	{
		options.RequireHttpsMetadata = false;
		options.SaveToken = true;
		options.IncludeErrorDetails = true;
		options.TokenValidationParameters = new TokenValidationParameters()
		{
			ClockSkew = TimeSpan.Zero,
			ValidateIssuer = true,
			ValidateAudience = true,
			ValidateLifetime = true,
			ValidateIssuerSigningKey = true,
			ValidIssuer = validIssuer,
			ValidAudience = validAudience,
			IssuerSigningKey = new SymmetricSecurityKey(
				Encoding.UTF8.GetBytes(symmetricSecurityKey)
			),
		};
	});

builder.Services.AddAuthorization();

var app = builder.Build();

//using (var scope = app.Services.CreateScope())
//{
//    var services = scope.ServiceProvider;

//    SeedData.Initialize(services);
//}

using (var scope = app.Services.CreateScope())
{
	var services = scope.ServiceProvider;
	try
	{
		var userManager = services.GetRequiredService<UserManager<ApplicationUser>>();
		var rolesManager = services.GetRequiredService<RoleManager<IdentityRole>>();
		await SeedData.InitializeAsync(userManager, rolesManager);
	}
	catch (Exception ex)
	{
		var logger = services.GetRequiredService<ILogger<Program>>();
		logger.LogError(ex, "An error occurred while seeding the database.");
	}
}

// Configure the HTTP request pipeline.
app.UseDeveloperExceptionPage();
app.UseSwagger();
app.UseSwaggerUI(options =>
{
	//options.SwaggerEndpoint("/swagger/v1/swagger.json", "v1");
	//options.RoutePrefix = string.Empty;

	options.SwaggerEndpoint("./v1/swagger.json", "v1"); //Относительный путь до пользовательского интерфейса
});


app.UseHttpsRedirection();
app.UseStatusCodePages();

app.UseAuthentication();
app.UseAuthorization();

app.MapControllerRoute(
    name: "default",
    pattern: "{controller=Home}/{action=Index}/{id?}");

app.Run();