using Attribute;
using Dto;
using Vo;
using Model;
using Model.Base;

using Repository;
using Service;
using Microsoft.AspNetCore.Mvc;
using Aliyun.OSS;
using Infrastructure.Model;
using Base;

namespace Services
{
    /// <summary>
    /// 资源文件更新信息Service业务层处理
    /// </summary>
    [AppService(ServiceType = typeof(IFileUpdateInfoService), ServiceLifetime = LifeTime.Transient)]
    public class FileUpdateInfoService : BaseService<FileUpdateInfo>, IFileUpdateInfoService
    {
        /// <summary>
        /// 资源文件更新信息-列表
        /// </summary>
        /// <param name="parm">请求参数</param>
        /// <returns>资源文件更新信息列表</returns>
        public PagedInfo<FileUpdateInfoListVo> List([FromQuery] FileUpdateInfoListDto parm)
        {
            //开始拼装查询条件
            var predicate = Expressionable.Create<FileUpdateInfo>();
            predicate = predicate.AndIF(!string.IsNullOrEmpty(parm.kind), m => m.kind.Contains(parm.kind));
            var response = Queryable()
                .Where(predicate.ToExpression())
                .OrderByDescending(m => m.id)
                .ToPage<FileUpdateInfo, FileUpdateInfoListVo>(new PagerInfo());
            return response;
        }




        /// <summary>
        /// 资源文件更新信息-更新文件
        /// </summary>
        /// <param name="parm">请求参数</param>
        /// <returns>资源文件更新信息更新文件</returns>
        public void UpdateFile([FromQuery] FileUpdateInfoUpdateFileDto parm)
        {
            OssConfigs ossConfigs = new();
            AppSettings.Bind("OssConfigs", ossConfigs);
            GetSystemFiles(ossConfigs, parm.kind);
            foreach (string filename in SystemFiles)
            {
                string Path = filename.Substring(0, filename.LastIndexOf("/") + 1);
                string template = filename.Substring(filename.LastIndexOf("/") + 1);
                if (!template.EndsWith(".html") && !template.EndsWith(".DS_Store") && !template.EndsWith("LICENSE") && !template.EndsWith("Thumbs.db"))
                {
                    FileUpdateInfo check = GetFirst(m => m.path == Path && m.fileName == template && m.kind == parm.kind);
                    if (check == null)
                    {
                        Add(new FileUpdateInfo()
                        {
                            createDate = DateTime.Now,
                            updateDate = DateTime.Now,
                            fileName = template,
                            path = Path,
                            versionNum = 0,
                            kind = parm.kind,
                        });
                    }
                }
            }
        }
        List<string> SystemFiles;
        private void GetSystemFiles(OssConfigs ossConfigs, string Kind = "default")
        {
            SystemFiles = new List<string>();
            var client = new OssClient(ossConfigs.Endpoint, ossConfigs.Key, ossConfigs.Secret);
            var listObjectsRequest = new ListObjectsRequest(ossConfigs.BucketName);
            listObjectsRequest.MaxKeys = 1000;
            listObjectsRequest.Prefix = "skin/app/" + Kind + "/";
            var result = client.ListObjects(listObjectsRequest);
            foreach (var summary in result.ObjectSummaries.Where(m => m.Size > 0).ToList())
            {
                string path = summary.Key.Substring(summary.Key.IndexOf(listObjectsRequest.Prefix) + listObjectsRequest.Prefix.Length).Replace("\\", "/");
                SystemFiles.Add(path);
            }
        }








    }
}