using System.Text;
using System.Text.Json.Serialization;
using Managing.Api.Authorization;
using Managing.Api.Exceptions;
using Managing.Api.Filters;
using Managing.Api.Workers;
using Managing.Application.Hubs;
using Managing.Bootstrap;
using Managing.Common;
using Managing.Infrastructure.Databases.InfluxDb.Models;
using Managing.Infrastructure.Databases.MongoDb.Configurations;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.IdentityModel.Tokens;
using Microsoft.OpenApi.Models;
using NSwag;
using NSwag.Generation.Processors.Security;
using Serilog;
using Serilog.Events;
using Serilog.Sinks.Elasticsearch;
using OpenApiSecurityRequirement = Microsoft.OpenApi.Models.OpenApiSecurityRequirement;
using OpenApiSecurityScheme = NSwag.OpenApiSecurityScheme;

// Builder
var builder = WebApplication.CreateBuilder(args);
builder.Configuration.SetBasePath(AppContext.BaseDirectory);
builder.Configuration.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
    .AddJsonFile($"appsettings.{builder.Environment.EnvironmentName}.json")
    .AddJsonFile($"config.{builder.Environment.EnvironmentName}.json",
        optional: true, reloadOnChange: true);

builder.Configuration.AddEnvironmentVariables();
builder.Configuration.AddUserSecrets<Program>();

builder.Host.UseSerilog((hostBuilder, loggerConfiguration) =>
{
    var envName = builder.Environment.EnvironmentName.ToLower().Replace(".", "-");
    var indexFormat = $"managing-{envName}-" + "{0:yyyy.MM.dd}";
    var yourTemplateName = "dotnetlogs";
    var es = new ElasticsearchSinkOptions(new Uri(hostBuilder.Configuration["ElasticConfiguration:Uri"]))
    {
        IndexFormat = indexFormat.ToLower(),
        AutoRegisterTemplate = true,
        OverwriteTemplate = true,
        TemplateName = yourTemplateName,
        AutoRegisterTemplateVersion = AutoRegisterTemplateVersion.ESv7,
        TypeName = null,
        BatchAction = ElasticOpType.Create,
        MinimumLogEventLevel = LogEventLevel.Information,
        DetectElasticsearchVersion = true,
        RegisterTemplateFailure = RegisterTemplateRecovery.IndexAnyway,
    };

    loggerConfiguration
        .WriteTo.Console()
        .WriteTo.Elasticsearch(es);
});

builder.Services.AddOptions();
builder.Services.Configure<ManagingDatabaseSettings>(builder.Configuration.GetSection(Constants.Databases.MongoDb));
builder.Services.Configure<InfluxDbSettings>(builder.Configuration.GetSection(Constants.Databases.InfluxDb));
builder.Services.AddControllers().AddJsonOptions(options =>
    options.JsonSerializerOptions.Converters.Add(new JsonStringEnumConverter()));

builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme).AddJwtBearer(o =>
{
    o.SaveToken = true;
    o.TokenValidationParameters = new TokenValidationParameters
    {
        ValidIssuer = builder.Configuration["Authentication:Schemes:Bearer:ValidIssuer"],
        ValidAudience = builder.Configuration["Authentication:Schemes:Bearer:ValidAudiences"],
        IssuerSigningKey = new SymmetricSecurityKey
            (Encoding.UTF8.GetBytes(builder.Configuration["Jwt:Secret"])),
        ValidateIssuer = false,
        ValidateAudience = false,
        ValidateIssuerSigningKey = true
    };
});
builder.Services.AddAuthorization();
builder.Services.AddCors(o => o.AddPolicy("CorsPolicy", builder =>
{
    builder
        .SetIsOriginAllowed((host) => true)
        .AllowAnyOrigin()
        .WithOrigins("http://localhost:3000/")
        .AllowAnyMethod()
        .AllowAnyHeader()
        .AllowCredentials();
}));

builder.Services.AddSignalR().AddJsonProtocol();
builder.Services.AddScoped<IJwtUtils, JwtUtils>();

builder.Services.RegisterApiDependencies(builder.Configuration);
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddOpenApiDocument(document =>
{
    document.AddSecurity("JWT", Enumerable.Empty<string>(), new OpenApiSecurityScheme
    {
        Type = OpenApiSecuritySchemeType.ApiKey,
        Name = "Authorization",
        In = OpenApiSecurityApiKeyLocation.Header,
        Description = "Type into the textbox: Bearer {your JWT token}."
    });

    document.OperationProcessors.Add(
        new AspNetCoreOperationSecurityScopeProcessor("JWT"));
});
builder.Services.AddSwaggerGen(options =>
{
    options.SchemaFilter<EnumSchemaFilter>();
    options.AddSecurityDefinition("Bearer,", new Microsoft.OpenApi.Models.OpenApiSecurityScheme
    {
        Description = "Please insert your JWT Token into field : Bearer {your_token}",
        Name = "Authorization",
        Type = SecuritySchemeType.Http,
        In = ParameterLocation.Header,
        Scheme = "Bearer",
        BearerFormat = "JWT"
    });
    options.AddSecurityRequirement(new OpenApiSecurityRequirement
    {
        {
            new Microsoft.OpenApi.Models.OpenApiSecurityScheme
            {
                Reference = new OpenApiReference
                {
                    Type = ReferenceType.SecurityScheme,
                    Id = "Bearer"
                }
            },
            new string[] { }
        }
    });
});

builder.WebHost.SetupDiscordBot();
builder.Services.AddHostedService<BotManagerWorker>();

// App
var app = builder.Build();
app.UseSerilogRequestLogging();

if (app.Environment.IsDevelopment())
{
    app.UseDeveloperExceptionPage();
}

app.UseOpenApi();
app.UseSwaggerUI(c =>
{
    c.SwaggerEndpoint("/swagger/v1/swagger.json", "Managing API v1");
    c.RoutePrefix = string.Empty;
});

app.UseCors("CorsPolicy");

app.UseMiddleware(typeof(GlobalErrorHandlingMiddleware));

app.UseMiddleware<JwtMiddleware>();

app.UseHttpsRedirection();

app.UseRouting();

app.UseAuthentication();

app.UseAuthorization();

app.UseEndpoints(endpoints =>
{
    endpoints.MapControllers();
    endpoints.MapHub<BotHub>("/bothub");
    endpoints.MapHub<BacktestHub>("/backtesthub");
    endpoints.MapHub<CandleHub>("/candlehub");
});

app.Run();