using Pomelo.EntityFrameworkCore;
using System.Text;
using AcaMate.Common.Chat;
using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.IdentityModel.Tokens;
using Microsoft.AspNetCore.SignalR;

using Microsoft.Extensions.DependencyInjection;
using System.Net.Http;
using System.Security.Cryptography.X509Certificates;
using System.Text.Json;

using AcaMate.Common.Models;
using AcaMate.V1.Services;
using AcaMate.Common.Data;
using AcaMate.Common.Token;
using AcaMate.V1.Controllers;
using AcaMate.V1.Models;


var builder = WebApplication.CreateBuilder(args);


// DB 설정부 시작
builder.Configuration.AddJsonFile("private/dbSetting.json", optional: true, reloadOnChange: true);
// var connectionString = builder.Configuration.GetConnectionString("MariaDbConnection");
// builder.Services.AddDbContext<AppDbContext>(options => options.UseMySql(connectionString, ServerVersion.AutoDetect(connectionString)));
builder.Services.AddDbContext<AppDbContext>(optionsAction: (serviceProvider, options) =>
{
    var httpContextAccessor = serviceProvider.GetRequiredService<IHttpContextAccessor>();
    var dbName = httpContextAccessor.HttpContext?.Request.Query["aca_code"].ToString();
    var baseConnectionString = builder.Configuration.GetConnectionString("MariaDbConnection");
    if (!string.IsNullOrEmpty(dbName))
    {
        baseConnectionString = baseConnectionString.Replace("database=AcaMate", $"database={dbName}");
    }

    options.UseMySql(baseConnectionString, ServerVersion.AutoDetect(baseConnectionString));
});
builder.Services.AddHttpContextAccessor();
// DB 설정부 끝


var dbString = builder.Configuration.GetConnectionString("MariaDbConnection");
var userString = builder.Configuration.GetConnectionString("DBAccount");

// JWT 설정부 시작
if (builder.Environment.IsDevelopment())
{
    builder.Configuration.AddJsonFile("private/jwtSetting.Development.json", optional: true, reloadOnChange: true);
}
else 
{
    builder.Configuration.AddJsonFile("private/jwtSetting.json", optional: true, reloadOnChange: true);
}

builder.Services.Configure<JwtSettings>(builder.Configuration.GetSection("JwtSettings"));

builder.Services.AddAuthentication(options =>
    {
        options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
        options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
    })
    .AddJwtBearer(options =>
    {
        var jwtSettings = builder.Configuration.GetSection("JwtSettings").Get<JwtSettings>();
        options.TokenValidationParameters = new TokenValidationParameters
        {
            ValidateIssuer = true,
            ValidateAudience = true,
            ValidateLifetime = true,
            ValidateIssuerSigningKey = true,
            ValidIssuer = jwtSettings.Issuer,
            ValidAudience = jwtSettings.Audience,
            IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwtSettings.SecretKey)),
            ClockSkew = TimeSpan.FromMinutes(jwtSettings.ClockSkewMinutes)
        };
    });
// JWT 설정부 끝

// PUSH 설정부 
// 설정 바인딩 (appsettings.json의 "ApnsPushService" 섹션)
builder.Services.Configure<PushFileSetting>(builder.Configuration.GetSection("PushFileSetting"));

// HttpClientFactory를 이용한 ApnsPushService 등록 (핸들러에 인증서 추가)
builder.Services.AddHttpClient<IApnsPushService, ApnsPushService>(client =>
    {
        var settings = builder.Configuration.GetSection("PushFileSetting").Get<PushFileSetting>();
        client.BaseAddress = new Uri(settings.uri);
        client.Timeout = TimeSpan.FromSeconds(60);
    })
    .ConfigurePrimaryHttpMessageHandler(() =>
    {
        var config = builder.Configuration.GetSection("PushFileSetting").Get<PushFileSetting>();
        var handler = new HttpClientHandler();
        // using var reader = new StreamReader(config.p12PWPath, new UTF8Encoding(false));
        // var json = reader.ReadToEndAsync();
        // p12PWPath 파일에서 비밀번호 읽어오기 (예시: JSON {"Password": "비밀번호"})
        var json = File.ReadAllText(config.p12PWPath);
        var keys = JsonSerializer.Deserialize<Dictionary<string, string>>(json);
        var certificate = new X509Certificate2(config.p12Path, keys["Password"]);
        handler.ClientCertificates.Add(certificate);
        handler.SslProtocols = System.Security.Authentication.SslProtocols.Tls12;
        return handler;
    });

// InMemoryPushQueue와 백그라운드 서비스 등록
builder.Services.AddSingleton<IPushQueue, InMemoryPushQueue>();
builder.Services.AddHostedService<PushBackgroundService>();
// PUSH 설정부 끝

builder.Services.AddControllers();

// 여기다가 API 있는 컨트롤러들 AddScoped 하면 되는건가?
builder.Services.AddScoped<AcaMate.Common.Token.JwtTokenService>();
builder.Services.AddScoped<IRepositoryService, AcaMate.V1.Services.RepositoryService>();
// builder.Services.AddScoped<UserService>(); //
// builder.Services.AddScoped<UserController>();

builder.Services.AddEndpointsApiExplorer();

// 스웨거 설정 추가 부분
// builder.Services.AddSwaggerGen();
builder.Services.AddCustomSwagger();

// SignalR 설정 추가 부분
builder.Services.AddSignalR();
builder.Services.AddCors(option =>
{
    option.AddPolicy("CorsPolicy", builder =>
    {
        builder
            .WithOrigins("https://devacamate.ipstein.myds.me", "https://acamate.ipstein.myds.me") // 특정 도메인만 허용
            .AllowAnyMethod()
            .AllowAnyHeader()
            .AllowCredentials();

    });
});

// 로그 설정 부분
builder.Logging.ClearProviders();
builder.Logging.AddConsole();
if (builder.Environment.IsDevelopment()) {
    builder.Logging.SetMinimumLevel(LogLevel.Trace);
}
else
{
    builder.Logging.SetMinimumLevel(LogLevel.Warning);
}

//헤더 부분
builder.Services.AddScoped<IHeaderConfig, HeaderConfigRepository>();



// 로컬 테스트 위한 부분 (올릴때는 꺼두기)
builder.WebHost.UseUrls("http://0.0.0.0:5144");

///// ===== builder 설정 부 ===== /////

var app = builder.Build();

if (app.Environment.IsDevelopment())
{
    // app.UseSwagger();
    // app.UseSwaggerUI();
    app.UseCustomSwaggerUI();
    app.UseDeveloperExceptionPage(); // 좀더 자세한 예외 정보 제공
}
else
{
    app.UseExceptionHandler("/error");
    app.UseHsts();
}

// 로컬 테스트 위한 부분 (올릴떄는 켜두기)
// app.UseHttpsRedirection();

// 헤더 미들웨어 부분
app.UseMiddleware<APIHeaderMiddle>("HEAD-CHECK");

// 이부분 봐야 합니다.
// app.UseMiddleware<CustomHeaderMiddleware>("X-MyHeader");


app.UseRouting();
// app.MapControllers();

app.UseCors("CorsPolicy");
app.UseAuthorization();

app.UseWebSockets();
app.UseEndpoints(end =>
{
    end.MapControllers();
    end.MapHub<ChatHub>("/chatHub");
});


app.Run();