// 配置 Forwarded Headers
builder.Services.Configure<ForwardedHeadersOptions>(options =>
{
    options.ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
    
    // 设置信任的代理 IP 范围
    options.KnownNetworks.Clear(); // 清除默认配置
    options.KnownProxies.Clear();

    // 添加 Nginx 所在的 Overlay 网络 IP 范围
    // options.KnownNetworks.Add(new IPNetwork(System.Net.IPAddress.Parse("10.0.0.0"), 8));
    // options.KnownNetworks.Add(new IPNetwork(System.Net.IPAddress.Parse("172.16.0.0"), 12));
});

// 使用 Forwarded Headers 中间件，必须放在最前面
app.UseForwardedHeaders();
// 其他中间件
app.UseRouting();
app.UseAuthentication();
app.UseAuthorization();

app.MapControllers();

app.Run();

[HttpGet("client-ip")]
public IActionResult GetClientIp()
{
    var forwardedFor = HttpContext.Request.Headers["X-Forwarded-For"];
    var clientIp = HttpContext.Connection.RemoteIpAddress?.ToString();
    return Ok(new { ClientIp = clientIp, forwardedFor= forwardedFor });
}

public Guid AuthorId { get; set; 

builder.Entity<Book>(b =>
{
// 其他配置
    b.HasOne<Author>().WithMany().HasForeignKey(x => x.AuthorId).IsRequired();
});

using System;
using System.Threading.Tasks;
using Acme.BookStore.Authors;
using Acme.BookStore.Books;
using Volo.Abp.Data;
using Volo.Abp.DependencyInjection;
using Volo.Abp.Domain.Repositories;

namespace Acme.BookStore;

public class BookStoreDataSeederContributor
    : IDataSeedContributor, ITransientDependency
{
    private readonly IRepository<Book, Guid> _bookRepository;
    private readonly IAuthorRepository _authorRepository;
    private readonly AuthorManager _authorManager;

    public BookStoreDataSeederContributor(
        IRepository<Book, Guid> bookRepository,
        IAuthorRepository authorRepository,
        AuthorManager authorManager)
    {
        _bookRepository = bookRepository;
        _authorRepository = authorRepository;
        _authorManager = authorManager;
    }

    public async Task SeedAsync(DataSeedContext context)
    {
        if (await _bookRepository.GetCountAsync() > 0)
        {
            return;
        }

        var orwell = await _authorRepository.InsertAsync(
            await _authorManager.CreateAsync(
                "George Orwell",
                new DateTime(1903, 06, 25),
                "Orwell produced literary criticism and poetry, fiction and polemical journalism; and is best known for the allegorical novella Animal Farm (1945) and the dystopian novel Nineteen Eighty-Four (1949)."
            )
        );

        var douglas = await _authorRepository.InsertAsync(
            await _authorManager.CreateAsync(
                "Douglas Adams",
                new DateTime(1952, 03, 11),
                "Douglas Adams was an English author, screenwriter, essayist, humorist, satirist and dramatist. Adams was an advocate for environmentalism and conservation, a lover of fast cars, technological innovation and the Apple Macintosh, and a self-proclaimed 'radical atheist'."
            )
        );

        await _bookRepository.InsertAsync(
            new Book
            {
                AuthorId = orwell.Id, // 关联作者
                Name = "1984",
                Type = BookType.Dystopia,
                PublishDate = new DateTime(1949, 6, 8),
                Price = 19.84f
            },
            autoSave: true
        );

        await _bookRepository.InsertAsync(
            new Book
            {
                AuthorId = douglas.Id, // 关联作者
                Name = "The Hitchhiker's Guide to the Galaxy",
                Type = BookType.ScienceFiction,
                PublishDate = new DateTime(1995, 9, 27),
                Price = 42.0f
            },
            autoSave: true
        );
    }
}

public Guid AuthorId { get; set; }
public string AuthorName { get; set; }

public Guid AuthorId { get; set; }

using System;
using Volo.Abp.Application.Dtos;

namespace Acme.BookStore.Books;

public class AuthorLookupDto : EntityDto<Guid>
{
    public string Name { get; set; }
}

using System;
using System.Threading.Tasks;
using Volo.Abp.Application.Dtos;
using Volo.Abp.Application.Services;

namespace Acme.BookStore.Books;

public interface IBookAppService :
    ICrudAppService<
        BookDto,
        Guid,
        PagedAndSortedResultRequestDto,
        CreateUpdateBookDto>
{
    // 获取作者数据
    Task<ListResultDto<AuthorLookupDto>> GetAuthorLookupAsync();
}

CreateMap<Author, AuthorLookupDto>();

using System;
using System.Threading.Tasks;
using Volo.Abp.Application.Dtos;
using Volo.Abp.Application.Services;

namespace Acme.BookStore.Authors;

public interface IAuthorAppService : IApplicationService
{
    Task<AuthorDto> GetAsync(Guid id);

    Task<PagedResultDto<AuthorDto>> GetListAsync(GetAuthorListDto input);

    Task<AuthorDto> CreateAsync(CreateAuthorDto input);

    Task UpdateAsync(Guid id, UpdateAuthorDto input);

    Task DeleteAsync(Guid id);
}

using Volo.Abp.Application.Dtos;

namespace Acme.BookStore.Authors;

public class GetAuthorListDto : PagedAndSortedResultRequestDto
{
    public string? Filter { get; set; }
}

using System;
using System.ComponentModel.DataAnnotations;

namespace Acme.BookStore.Authors;

public class CreateAuthorDto
{
    [Required]
    [StringLength(AuthorConsts.MaxNameLength)]
    public string Name { get; set; } = string.Empty;

    [Required]
    public DateTime BirthDate { get; set; }

    public string? ShortBio { get; set; }
}

using System;
using System.ComponentModel.DataAnnotations;

namespace Acme.BookStore.Authors;

public class UpdateAuthorDto
{
    [Required]
    [StringLength(AuthorConsts.MaxNameLength)]
    public string Name { get; set; } = string.Empty;

    [Required]
    public DateTime BirthDate { get; set; }

    public string? ShortBio { get; set; }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Acme.BookStore.Permissions;
using Microsoft.AspNetCore.Authorization;
using Volo.Abp.Application.Dtos;
using Volo.Abp.Domain.Repositories;

namespace Acme.BookStore.Authors;

[Authorize(BookStorePermissions.Authors.Default)]
public class AuthorAppService : BookStoreAppService, IAuthorAppService
{
    private readonly IAuthorRepository _authorRepository;
    private readonly AuthorManager _authorManager;

    public AuthorAppService(
        IAuthorRepository authorRepository,
        AuthorManager authorManager)
    {
        _authorRepository = authorRepository;
        _authorManager = authorManager;
    }
}

public async Task<AuthorDto> GetAsync(Guid id)
{
    var author = await _authorRepository.GetAsync(id);
    return ObjectMapper.Map<Author, AuthorDto>(author);
}

public async Task<PagedResultDto<AuthorDto>> GetListAsync(GetAuthorListDto input)
{
    if (input.Sorting.IsNullOrWhiteSpace())
    {
        input.Sorting = nameof(Author.Name);
    }

    var authors = await _authorRepository.GetListAsync(
        input.SkipCount,
        input.MaxResultCount,
        input.Sorting,
        input.Filter
    );

    var totalCount = input.Filter == null
        ? await _authorRepository.CountAsync()
        : await _authorRepository.CountAsync(
            author => author.Name.Contains(input.Filter));

    return new PagedResultDto<AuthorDto>(
        totalCount,
        ObjectMapper.Map<List<Author>, List<AuthorDto>>(authors)
    );
}

[Authorize(BookStorePermissions.Authors.Create)]
public async Task<AuthorDto> CreateAsync(CreateAuthorDto input)
{
    var author = await _authorManager.CreateAsync(
        input.Name,
        input.BirthDate,
        input.ShortBio
    );

    await _authorRepository.InsertAsync(author);

    return ObjectMapper.Map<Author, AuthorDto>(author);
}

[Authorize(BookStorePermissions.Authors.Edit)]
public async Task UpdateAsync(Guid id, UpdateAuthorDto input)
{
    var author = await _authorRepository.GetAsync(id);

    if (author.Name != input.Name)
    {
        await _authorManager.ChangeNameAsync(author, input.Name);
    }

    author.BirthDate = input.BirthDate;
    author.ShortBio = input.ShortBio;

    await _authorRepository.UpdateAsync(author);
}

[Authorize(BookStorePermissions.Authors.Delete)]
public async Task DeleteAsync(Guid id)
{
    await _authorRepository.DeleteAsync(id);
}

namespace Acme.BookStore.Permissions;

public static class BookStorePermissions
{
    public const string GroupName = "BookStore";

    public static class Books
    {
        public const string Default = GroupName + ".Books";
        public const string Create = Default + ".Create";
        public const string Edit = Default + ".Edit";
        public const string Delete = Default + ".Delete";
    }
    
    // *** 新增Authors CLASS ***
    public static class Authors
    {
        public const string Default = GroupName + ".Authors";
        public const string Create = Default + ".Create";
        public const string Edit = Default + ".Edit";
        public const string Delete = Default + ".Delete";
    }
}

// Authors
var authorsPermission = bookStoreGroup.AddPermission(
    BookStorePermissions.Authors.Default, L("Permission:Authors"));
authorsPermission.AddChild(
    BookStorePermissions.Authors.Create, L("Permission:Authors.Create"));
authorsPermission.AddChild(
    BookStorePermissions.Authors.Edit, L("Permission:Authors.Edit"));
authorsPermission.AddChild(
    BookStorePermissions.Authors.Delete, L("Permission:Authors.Delete"));

CreateMap<Author, AuthorDto>();

using System;
using System.Threading.Tasks;
using Acme.BookStore.Authors;
using Acme.BookStore.Books;
using Volo.Abp.Data;
using Volo.Abp.DependencyInjection;
using Volo.Abp.Domain.Repositories;

namespace Acme.BookStore
{
    public class BookStoreDataSeederContributor
        : IDataSeedContributor, ITransientDependency
    {
        private readonly IRepository<Book, Guid> _bookRepository;
        private readonly IAuthorRepository _authorRepository;
        private readonly AuthorManager _authorManager;

        /// <summary>
        /// DI
        /// </summary>
        /// <param name="bookRepository"></param>
        /// <param name="authorRepository"></param>
        /// <param name="authorManager"></param>
        public BookStoreDataSeederContributor(IRepository<Book, Guid> bookRepository, 
            IAuthorRepository authorRepository, 
            AuthorManager authorManager)
        {
            _bookRepository = bookRepository;
            _authorRepository = authorRepository;
            _authorManager = authorManager;
        }

        public async Task SeedAsync(DataSeedContext context)
        {
            if (await _bookRepository.GetCountAsync() <= 0)
            {
                await _bookRepository.InsertAsync(
                    new Book
                    {
                        Name = "1984",
                        Type = BookType.ScienceFiction,
                        PublishDate = new DateTime(2000, 6, 8),
                        Price = 19.84f
                    },
                    autoSave: true
                );

                await _bookRepository.InsertAsync(
                    new Book
                    {
                        Name = "盗墓笔记",
                        Type = BookType.Adventure,
                        PublishDate = new DateTime(2005, 9, 27),
                        Price = 42.0f
                    },
                    autoSave: true
                );
            }

            if (await _authorRepository.GetCountAsync() <= 0)
            {
                await _authorRepository.InsertAsync(
                    await _authorManager.CreateAsync(
                        "Jonty Wang",
                        new DateTime(1998, 03, 21),
                        "the best develop engineer in Singapore" 
                    )
                );

                await _authorRepository.InsertAsync(
                    await _authorManager.CreateAsync(
                        "Taylor Swift",
                        new DateTime(1989, 03, 11),
                        "the best singer in the world"
                    )
                );
            }
        }
    }
}