using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Bowin.Common.Files;
using Bowin.Common.JSON;
using Bowin.Common.Utility;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace YLShipBuildLandMap.Web.Controllers.SystemSetting
{
    [Route("api/systemsetting/[controller]/[action]")]
    [ApiController]
    public class UploadController : ControllerBase
    {
        [HttpPost]
        public async Task<string> Post(IFormFile imgFile, string dir)
        {
            string[] fileExts;
            string fileDescription;
            try
            {
                switch (dir)
                {
                    case "image":
                        fileExts = new string[] { ".jpg", ".jpeg", ".png", ".bmp", ".gif" };
                        fileDescription = "图片文件";
                        break;
                    case "flash":
                        fileExts = new string[] { ".swf" };
                        fileDescription = "flash文件";
                        break;
                    case "media":
                        fileExts = new string[] { ".wmv", ".avi", ".mp4", ".mp3" };
                        fileDescription = "媒体文件";
                        break;
                    case "file":
                        fileExts = new string[] { ".rar", ".doc", ".docx", ".xls", ".xlsx", ".zip", ".pdf", ".txt" };
                        fileDescription = "文档";
                        break;
                    default:
                        throw new Exception("不支持的上传文件类型。");
                }

                var ext = Path.GetExtension(imgFile.FileName);
                if (!fileExts.Contains(ext))
                {
                    return new { error = 1, message = "只允许上传" + fileDescription + "，文件扩展名需要以" + string.Join("、", fileExts) + "结尾。" }.ToJson();
                }
                string url = await FileHelper.Upload(imgFile);
                return new { error = 0, url }.ToJson();
            }
            catch (Exception ex)
            {
                return new { error = 1, message = ex.Message }.ToJson();
            }
        }
    }
}