using Bunny.Common;
using Bunny.Common.Context;
using Microsoft.AspNetCore.Http;
using Minio;
using Minio.DataModel;
using Minio.DataModel.Args;
using Minio.DataModel.Result;

namespace Bunny.Service.IService.Service;

public class MinioService : IMinioService
{
    private readonly IMinioClient _minioContext = MinioContext.MinioClient!;

    /// <summary>
    ///     上传文件
    /// </summary>
    /// <param name="file">文件内容</param>
    /// <param name="filepath"></param>
    public async void SaveMinioFile(IFormFile? file, string filepath)
    {
        if (file == null)
        {
            Console.WriteLine("文件未上传");
            return;
        }

        var fileName = file.FileName;
        var contentType = file.ContentType;
        await _minioContext.PutObjectAsync(new PutObjectArgs()
            .WithBucket(MinioContext.BucketName)
            .WithObject($"{filepath}/{fileName}")
            .WithStreamData(file.OpenReadStream())
            .WithContentType(contentType)
            .WithObjectSize(file.Length)
        );
    }

    /// <summary>
    ///     查询所有的桶
    /// </summary>
    /// <returns>桶列表</returns>
    public ListAllMyBucketsResult GetAllMyBuckets()
    {
        return _minioContext.ListBucketsAsync().Result;
    }

    /// <summary>
    ///     获取文件信息
    /// </summary>
    /// <param name="filename">文件名</param>
    /// <param name="bucketName">桶名称</param>
    /// <returns>ObjectStat</returns>
    public ObjectStat GetObjectStat(string filename, string bucketName)
    {
        var objectAsync = _minioContext.GetObjectAsync(new GetObjectArgs()
            .WithBucket(bucketName)
            .WithObject(filename)
            .WithFile(filename)
        ).Result;

        return objectAsync;
    }

    /// <summary>
    ///     获取文件路径
    /// </summary>
    /// <param name="filename">文件名</param>
    /// <param name="bucketName">桶名称</param>
    /// <returns>文件地址</returns>
    public string GetObjectPath(string filename, string bucketName)
    {
        var url = AppSettings.GetConfig("Minio:Url");
        return $"{url}/{bucketName}/{filename}";
    }

    /// <summary>
    ///     下载文件
    /// </summary>
    /// <param name="filename">文件名</param>
    /// <param name="bucketName">桶名称</param>
    /// <returns>下载文件</returns>
    public async Task<byte[]> DownloadObject(string filename, string bucketName)
    {
        var url = AppSettings.GetConfig("Minio:Url");
        var downloadUrl = $"http://{url}/{bucketName}/{filename}";
        using var client = new HttpClient();
        var responseMessage = await client.GetAsync(downloadUrl);
        if (!responseMessage.IsSuccessStatusCode) return [];
        var buffer = await responseMessage.Content.ReadAsByteArrayAsync();
        return buffer;
    }

    public IAsyncEnumerable<Item> ListObject(string? filepath, string bucketName)
    {
        return _minioContext
            .ListObjectsEnumAsync(
                new ListObjectsArgs()
                    .WithBucket(bucketName)
                    .WithPrefix(filepath)
                    .WithVersions(false)
                    .WithRecursive(true)
            );
    }
}