using learun.iapplication;
using learun.util;
using Microsoft.AspNetCore.Mvc;
using System;
using System.IO;
using System.Threading.Tasks;

namespace EC.Web.Areas.LR_SystemModule.Controllers
{
	/// <summary>
	/// 版 本 EasyCode EC管理后台
	/// Copyright (c) 2019-present EC管理有限公司
	/// 创建人：tobin
	/// 日 期：2019.09.18
	/// 描 述：图片控制器
	/// </summary>
	[Area("LR_SystemModule")]
	public class ImgController : MvcControllerBase
	{
		private readonly ImgIBLL _imgIBLL;

		public ImgController(ImgIBLL imgIBLL)
		{
			_imgIBLL = imgIBLL;
		}

		#region 获取数据

		/// <summary>
		/// 获取图片文件
		/// </summary>
		/// <param name="id">图片编码</param>
		/// <returns></returns>
		[HttpGet]
		public IActionResult Down(string id)
		{
			//ImgEntity imgEntity = null;// await _imgIBLL.GetEntity(id);
			//if (imgEntity != null && !string.IsNullOrEmpty(imgEntity.F_Content))
			//{
			//    string imgContent = imgEntity.F_Content.Replace("data:image/" + imgEntity.F_ExName.Replace(".", "") + ";base64,", "");
			//    byte[] arr = Convert.FromBase64String(imgContent);
			//    return File(arr, "application/octet-stream");
			//}
			//else
			//{
			//}
			byte[] arr2;
			switch (id)
			{
				case "logo_default":
					arr2 = FileHelper.ReadRoot("/img/logo_default.png");
					break;

				case "adminDefault":
					arr2 = FileHelper.ReadRoot("/img/adminDefault.png");
					break;

				default:
					arr2 = FileHelper.ReadRoot("/img/logo_default.png");
					break;
			}
			return File(arr2, "application/octet-stream");
		}

		#endregion 获取数据

		#region 提交数据

		/// <summary>
		/// 上传图片
		/// </summary>
		/// <returns></returns>
		[HttpPost]
		public IActionResult UploadFile(string code)
		{
			var files = Request.Form.Files;
			//没有文件上传，直接返回
			if (files[0].Length == 0 || string.IsNullOrEmpty(files[0].FileName))
			{
				return Fail("没有文件信息");
			}
			string FileEextension = Path.GetExtension(files[0].FileName);
			ImgEntity imgEntity = new ImgEntity();

			imgEntity.F_Name = files[0].FileName;
			imgEntity.F_ExName = FileEextension;
			byte[] bytes = new byte[files[0].Length];
			MemoryStream ms = new MemoryStream();
			files[0].CopyTo(ms);
			ms.Flush();
			ms.Position = 0;
			ms.Read(bytes, 0, bytes.Length);
			ms.Close();
			ms.Dispose();
			imgEntity.F_Content = Convert.ToBase64String(bytes);
			_imgIBLL.SaveEntity(code, imgEntity);
			return SuccessInfo("上传成功。");
		}

		#endregion 提交数据
	}
}