using Microsoft.AspNetCore.Mvc;
using NPOI.HPSF;
using WCS.BLL.Services.IService;
using WCS.Model;
using WCS.Model.ApiModel;
using WCS.Model.ApiModel.User;
using WCS.Model.WebSocketModel;

namespace WCS.WebApi.Controllers
{
    /// <summary>
    /// 文件下载
    /// </summary>
    [ApiController]
    [Route("[controller]")]
    public class FileDownLoadController : ControllerBase
    {

        public FileDownLoadController()
        {

        }

        [HttpGet("downloadApp")]
        public IActionResult downloadApp(string fileName)
        {
            // 这里是文件的物理路径，你需要根据实际情况提供  
            var filePath = Path.Combine(Directory.GetCurrentDirectory(), $"Files/{fileName}");

            // 检查文件是否存在  
            if (!System.IO.File.Exists(filePath))
            {
                return NotFound();
            }

            // 获取文件流  
            var stream = System.IO.File.OpenRead(filePath);
            // 设置HTTP响应头，使浏览器知道这是一个附件，应该下载而不是打开  
            Response.Headers.Add("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
            // 返回文件流作为FileResult  
            return File(stream, "application/octet-stream", fileName);
        }

        [HttpGet("getLatestAppName")]
        public ResponseCommon<string> getLatestAppName()
        {
            string directoryPath = Path.Combine(Directory.GetCurrentDirectory(), $"Files");

            // 获取目录下的所有文件信息  
            FileInfo[] files = Directory.GetFiles(directoryPath, "*.APK")
                                    .Select(file => new FileInfo(file))
                                    .ToArray();

            if (files == null || files.Length == 0)
            {
                return new ResponseCommon<string>()
                {
                    Code = 201,
                    Message = "服务器不存在App安装包"
                };
            }
            //获取最后修改的一个
            FileInfo lastModifiedFile = files.OrderByDescending(f => f.LastWriteTime).First();
            if (lastModifiedFile != null)
            {
                return new ResponseCommon<string>()
                {
                    Code = 200,
                    Data = lastModifiedFile.Name
                };
            }
            else
            {
                return new ResponseCommon<string>()
                {
                    Code = 201,
                    Message = "服务器不存在App安装包"
                };

            }
        }
    }
}