// 安装必要的NuGet包
Install-Package AWSSDK.Core
Install-Package AWSSDK.ProductAdvertising

using Amazon;
using Amazon.ProductAdvertising;
using Amazon.ProductAdvertising.Model;

public class AmazonBookService
{
    private readonly AmazonProductAdvertisingClient _client;
    
    public AmazonBookService(string accessKey, string secretKey, string associateTag)
    {
        var config = new AmazonProductAdvertisingConfig
        {
            RegionEndpoint = RegionEndpoint.USWest2 // 根据你的需求选择区域
        };
        
        _client = new AmazonProductAdvertisingClient(accessKey, secretKey, config);
    }
    
    public async Task<List<Book>> SearchBooks(string title, int count = 10)
    {
        var request = new ItemSearchRequest
        {
            SearchIndex = "Books",
            Title = title,
            ResponseGroup = new List<string> { "ItemAttributes", "Images" },
            ItemPage = "1"
        };
        
        var response = await _client.ItemSearchAsync(new ItemSearchRequest
        {
            AssociateTag = "your-associate-tag",
            Request = new List<ItemSearchRequest> { request }
        });
        
        var books = new List<Book>();
        foreach (var item in response.Items[0].Item)
        {
            books.Add(new Book
            {
                Title = item.ItemAttributes.Title,
                Author = item.ItemAttributes.Author?.FirstOrDefault(),
                ASIN = item.ASIN,
                ImageUrl = item.MediumImage?.URL,
                Price = item.ItemAttributes.ListPrice?.FormattedPrice
            });
        }
        
        return books.Take(count).ToList();
    }
}

public class Book
{
    public string Title { get; set; }
    public string Author { get; set; }
    public string ASIN { get; set; }
    public string ImageUrl { get; set; }
    public string Price { get; set; }
}

public class BooksController : Controller
{
    private readonly AmazonBookService _amazonService;
    
    public BooksController()
    {
        _amazonService = new AmazonBookService(
            "your-access-key",
            "your-secret-key",
            "your-associate-tag");
    }
    
    public async Task<ActionResult> Search(string query)
    {
        if (string.IsNullOrWhiteSpace(query))
            return View(new List<Book>());
            
        var books = await _amazonService.SearchBooks(query);
        return View(books);
    }
}