using Elight.Logic;
using Elight.Utility;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc.Authorization;
using Microsoft.AspNetCore.Mvc.Controllers;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.IdentityModel.Tokens;
using Microsoft.OpenApi.Models;
using SqlSugar;
using System.Data;
using System.Text;
using System.Text.Json.Serialization;
using System.Text.Json;
using Microsoft.AspNetCore.Http.Json;
using _24Hour.Controllers.Common;

#region builder

var builder = WebApplication.CreateBuilder(args);

var Configuration = builder.Configuration;
builder.WebHost.UseUrls(Configuration.GetSection("UrlsConfiguration:Urls").Value.Split(","));
// Add services to the container.
builder.Services.AddControllers().AddJsonOptions(options =>
{
    options.JsonSerializerOptions.PropertyNamingPolicy = null;
    options.JsonSerializerOptions.Converters.Add(new Elight.Utility.DateTimeNullableConverter());
    options.JsonSerializerOptions.Converters.Add(new Elight.Utility.NullableConverter<long>());
    options.JsonSerializerOptions.Converters.Add(new Elight.Utility.NullableConverter<int>());
    options.JsonSerializerOptions.Converters.Add(new Elight.Utility.NullableConverter<double>());
    options.JsonSerializerOptions.Converters.Add(new Elight.Utility.NullableConverter<decimal>());
    options.JsonSerializerOptions.Converters.Add(new Elight.Utility.NullableConverter<float>());
    options.JsonSerializerOptions.Converters.Add(new Elight.Utility.NullableConverter<Guid>());
    options.JsonSerializerOptions.Converters.Add(new Elight.Utility.NullableConverter<bool>());
});
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
#region Swagger文件
builder.Services.AddSwaggerGen(c =>
{
    c.SwaggerDoc("v1", new OpenApiInfo { Title = "My API", Version = "v1" });
    //在接口类、方法标记属性 [HiddenApi]，可以阻止【Swagger文档】生成 
    c.DocumentFilter<HiddenApiFilter>();
    c.OrderActionsBy(o => o.RelativePath);
    var basePath = System.AppDomain.CurrentDomain.BaseDirectory;//获取应用程序所在目录（绝对，不受工作目录影响，建议采用此方法获取路径）
    var xmlPath = Path.Combine(basePath, "24Hour.xml");
    if (File.Exists(xmlPath))//避免没有该文件时报错
        c.IncludeXmlComments(xmlPath, true);
    //添加Jwt验证设置
    c.AddSecurityRequirement(new OpenApiSecurityRequirement()
                        {
                            {
                                new OpenApiSecurityScheme
                                {
                                    Reference = new OpenApiReference
                                    {
                                        Id = "Bearer",
                                        Type = ReferenceType.SecurityScheme
                                    }
                                },
                                new List<string>()
                            }
                        });

    c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
    {
        Description = "Value: Bearer {token}",
        Name = "Authorization",
        In = ParameterLocation.Header,
        Type = SecuritySchemeType.ApiKey
    });
});
#endregion

builder.Services.AddMvc(config =>
{
    config.Filters.Add(new AllowAnonymousFilter());
});
// 配置跨域
//builder.Services.AddCors(options => options.AddPolicy("CorsPolicy",
//c =>
//{
//    c.WithOrigins(Configuration.GetSection("UrlsConfiguration:CorUrls").Value.Split(',', StringSplitOptions.RemoveEmptyEntries))
//           .AllowAnyHeader() // 允许任何标头(这个最好写到AllowAnyMethod上面去)
//           .AllowAnyMethod() // 允许任何方法访问
//           .SetIsOriginAllowed(o => true) // =AllowAnyOrigin()
//           .AllowCredentials();
//}));
// 添加身份验证服务
builder.Services.AddAuthentication(options =>
{
    options.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
    options.DefaultChallengeScheme = nameof(ResponseAuthenticationHandler); //401
    options.DefaultForbidScheme = nameof(ResponseAuthenticationHandler);    //403
})
.AddJwtBearer(options =>
{
    // 配置JWT身份验证选项
    options.TokenValidationParameters = new TokenValidationParameters
    {
        ValidateIssuer = true,
        ValidateAudience = true,
        ValidateLifetime = true,
        ValidateIssuerSigningKey = true,
        ValidIssuer = Configuration.GetSection("JwtConfiguration:Issuer").Value,
        ValidAudience = Configuration.GetSection("JwtConfiguration:Audience").Value,
        IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(Configuration.GetSection("JwtConfiguration:Jwtkey").Value)),
        ClockSkew = TimeSpan.Zero
    };

    //重点在于这里；判断是WebSocket的路径(https://www.cnblogs.com/fger/p/11811190.html)
    options.Events = new JwtBearerEvents
    {
        OnMessageReceived = (context) =>
        {
            if (!context.HttpContext.Request.Path.HasValue) return Task.CompletedTask;
            //重点在于这里；判断是WebSocket的路径
            var accessToken = context.HttpContext.Request.Query["access_token"];
            var path = context.HttpContext.Request.Path;
            if (string.IsNullOrWhiteSpace(accessToken) || !path.StartsWithSegments("/ws")) return Task.CompletedTask;

            context.Token = accessToken;
            return Task.CompletedTask;
        },

        //此处为权限验证失败后触发的事件
        OnChallenge = context =>
        {
            //此处代码为终止.Net Core默认的返回类型和数据结果，这个很重要哦，必须
            context.HandleResponse();
            //自定义自己想要返回的数据结果，我这里要返回的是Json对象，通过引用Newtonsoft.Json库进行转换
            var payload = new { StatusCode = 0, Message = "身份认证失败！" };
            //自定义返回的数据类型
            context.Response.ContentType = "application/json";
            //自定义返回状态码，默认为401 我这里改成 200
            context.Response.StatusCode = StatusCodes.Status200OK;
            //context.Response.StatusCode = StatusCodes.Status401Unauthorized;
            //输出Json数据结果
            context.Response.WriteAsync(Convert.ToString(payload));
            return Task.FromResult(0);
        }
    };

}).AddScheme<AuthenticationSchemeOptions, ResponseAuthenticationHandler>(nameof(ResponseAuthenticationHandler), o => { });

builder.Services.AddAuthorization();
builder.Services.AddHttpContextAccessor();
builder.Services.AddScoped<WebSocketController>();
builder.Services.TryAddSingleton<User, User>(); //jwt
builder.Services.TryAddSingleton<WriteSysLog, WriteSysLog>(); //WriteSysLog
builder.Services.AddScoped<SqlSugarClient>(sp =>
{
    var connectionString = Configuration.GetSection("ConnectionStrings:MySQLConnString").Value;
    var db = new SqlSugarClient(new ConnectionConfig
    {
        ConnectionString = connectionString,
        DbType = SqlSugar.DbType.MySql,
        IsAutoCloseConnection = true,
        InitKeyType = InitKeyType.Attribute
    });
    return db;
});



#endregion

#region APP
var app = builder.Build();

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}
#region websockets配置
app.UseWebSockets(new WebSocketOptions
{
    KeepAliveInterval = TimeSpan.FromMinutes(2)
});
//app.UseMiddleware<WebSocketMiddleware>();
#endregion
app.UseStaticFiles();
app.UseHttpsRedirection();
//路由
app.UseRouting();
app.UseAuthentication(); // 启用身份验证中间件
app.UseAuthorization(); // 启用授权中间件
//app.MapControllers();
app.UseEndpoints(endpoints =>
{
    endpoints.MapControllers();
});
#region swagger
app.UseSwagger();// 启用Swagger中间件
app.UseSwaggerUI(c =>
{
    c.SwaggerEndpoint("/swagger/v1/swagger.json", "My API V1");
    c.RoutePrefix = string.Empty;
});
#endregion
app.Run();
#endregion