using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using System;
using System.Collections.Generic;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using TEAMModelOS.SDK.Context.Configuration;
using TEAMModelOS.SDK.Context.Exception;
using TEAMModelOS.SDK;
using TEAMModelOS.SDK.Helper.Common.JsonHelper;
using TEAMModelOS.SDK.Module.AzureBlob.Configuration;
using TEAMModelOS.SDK.DI;
using System.Net.Http;
using TEAMModelOS.SDK.Helper.Security.ShaHash;
using TEAMModelOS.SDK.Extension;

namespace TEAMModelOS.Controllers.Core
{
    [Route("api/[controller]")]
    [ApiController]
    public class BlobController : ControllerBase
    {

        private readonly AzureStorageFactory _azureStorage;
        private readonly SnowflakeId _snowflakeId;
        private readonly IHttpClientFactory _clientFactory;

        public BlobController(AzureStorageFactory azureStorage, SnowflakeId snowflakeId, IHttpClientFactory clientFactory)
        {
            _azureStorage = azureStorage;
            _snowflakeId = snowflakeId;
            _clientFactory = clientFactory;
        }

        /// <summary>
        /// 获取某个容器的只读权限
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("blobSasR")]
        public BaseResponse BlobSasR(BlobSas request)
        {
            ///返回金钥过期时间
            ResponseBuilder builder = new ResponseBuilder();
            // Dictionary<string, object> dict = await azureBlobDBRepository.GetBlobSasUri(request.@params,true);
            // dict.Add(d.Key, d.Value);
            return builder.Data(_azureStorage.GetContainerSasUri(request, true)).build();
        }
        /// <summary>
        /// 某个文件的上传SAS rcw权限
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("blobSasRCW")]
        public BaseResponse BlobSasRCW(BlobSas request)
        {
            ///返回金钥过期时间
            ResponseBuilder builder = new ResponseBuilder();
            // Dictionary<string,object> dict=  await azureBlobDBRepository.GetBlobSasUri(request.@params,false);
            //   Dictionary<string, object> dict = ;
            //dict.Add(d.Key, d.Value);
            return builder.Data(_azureStorage.GetContainerSasUri(request, false)).build();
        }
        /// <summary>
        /// 链接只读（读）
        /// </summary>
        /// <param name="azureBlobSASDto"></param>
        /// <returns></returns>
        [HttpPost("urlSasR")]
        public BaseResponse GetContainerSASRead(JsonElement azureBlobSASDto)
        {
            ResponseBuilder responseBuilder = new ResponseBuilder();
            azureBlobSASDto.TryGetProperty("params", out JsonElement azureBlobSAS);
            //string azureBlobSAS = azureBlobSASDto;
            (string, string) a = BlobUrlString(azureBlobSAS.ToString());
            string ContainerName = a.Item1;
            string BlobName = a.Item2;
            bool flg = IsBlobName(BlobName);
            if (flg)
            {
                return responseBuilder.Data(_azureStorage.GetBlobSasUriRead(ContainerName, BlobName)).build();
            }
            else
            {
                return responseBuilder.Error(ResponseCode.PARAMS_ERROR, "文件名错误").build();
            };
        }     
      

        
        /// <summary>
        /// 获取文件内容
        /// </summary>
        /// <param name="azureBlobSASDto"></param>
        /// <returns></returns>
        [HttpPost("getText")]
        public async Task<BaseResponse> GetText(JsonElement request)
        {
            request.TryGetProperty("code", out JsonElement code);
            ResponseBuilder responseBuilder = new ResponseBuilder();
            string azureBlobSAS = System.Web.HttpUtility.UrlDecode(code.ToString(), Encoding.UTF8);
            (string, string) a = BlobUrlString(azureBlobSAS);
            string ContainerName = a.Item1;
            string BlobName = a.Item2;
            bool flg = IsBlobName(BlobName);
            if (flg)
            {
                //TODO 需驗證
                BlobAuth blobAuth= _azureStorage.GetBlobSasUriRead(ContainerName, BlobName);
                var  response= await _clientFactory.CreateClient().GetAsync(new Uri(blobAuth.url + blobAuth.sas));
                response.EnsureSuccessStatusCode();
                using var json = await JsonDocument.ParseAsync(await response.Content.ReadAsStreamAsync());                
                return responseBuilder.Data(json.RootElement).build();
            }
            else
            {
                return responseBuilder.Error(ResponseCode.PARAMS_ERROR, "文件名错误").build();
            };

        }

        /// <summary>
        /// 测试单个文本内容的上传
        /// </summary>
        /// <param name="azureBlobSASDto"></param>
        /// <returns></returns>
        [HttpPost("deleteBlob")]
        public async Task<BaseResponse> DeleteBlob(JsonElement request)
        {
            ResponseBuilder responseBuilder = new ResponseBuilder();
            var client = _azureStorage.GetBlobBatchClient().DeleteBlobs(new Uri[] {new Uri("https://teammodelstorage.blob.core.chinacloudapi.cn/ydzt/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9%2FAnimation.xml") });
            return responseBuilder.Data(client[0].Status).build();

        }
        /// <summary>
        /// 测试单个文本内容的上传
        /// </summary>
        /// <param name="azureBlobSASDto"></param>
        /// <returns></returns>
        [HttpPost("get-blobsize")]
        public async Task<ActionResult> GetBlobsSize(JsonElement request)
        {
            request.TryGetProperty("containerName", out JsonElement containerName);
            var name =containerName.GetString();
            var client = _azureStorage.GetBlobContainerClient(name);
            var size = await client.GetBlobsSize();
            return Ok(new { size });
        }

        /// <summary>
        /// 测试单个文本内容的上传
        /// </summary>
        /// <param name="azureBlobSASDto"></param>
        /// <returns></returns>
        [HttpPost("testjson")]
        public async Task<BaseResponse> Uploadtest(JsonElement request)
        {


            JsonElement json= await RedisHelper.CacheShellAsync("test:" + "test", "bbbbbbbbbbbbbbbbbbbbb", 3600, () => { return test(request); });

            ResponseBuilder responseBuilder = new ResponseBuilder();
            return responseBuilder.Data(RedisHelper.HGet<JsonElement>("test:" + "test", "aaaaaaaaaaaaaaaaa")).build();

        }

        private Task<JsonElement> test(JsonElement request)
        {
            return Task.FromResult(request);
        }

        private static string ContainerUrlString(string sasUrl)
        {
            ///移除http://
            sasUrl = sasUrl.Substring(8);
            string[] sasUrls = sasUrl.Split("/");
            string ContainerName;
            ContainerName = sasUrls[1].Clone().ToString();
            return ContainerName;
        }
        private static (string, string) BlobUrlString(string sasUrl)
        {
            sasUrl = sasUrl.Substring(8);
            string[] sasUrls = sasUrl.Split("/");
            string ContainerName;
            ContainerName = sasUrls[1].Clone().ToString();
            string item = sasUrls[0] + "/" + sasUrls[1] + "/";
            string blob = sasUrl.Replace(item, "");
            return (ContainerName, blob);
        }
        public static bool IsBlobName(string BlobName)
        {
            return System.Text.RegularExpressions.Regex.IsMatch(BlobName,
             @"(?!((^(con)$)|^(con)\\..*|(^(prn)$)|^(prn)\\..*|(^(aux)$)|^(aux)\\..*|(^(nul)$)|^(nul)\\..*|(^(com)[1-9]$)|^(com)[1-9]\\..*|(^(lpt)[1-9]$)|^(lpt)[1-9]\\..*)|^\\s+|.*\\s$)(^[^\\\\\\:\\<\\>\\*\\?\\\\\\""\\\\|]{1,255}$)");
        }
    }
}