using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using System.ComponentModel.DataAnnotations;

namespace DocumentFile.Service.Controllers
{
    [Route("api/[controller]/[action]")]
    [ApiController]
    public class DocumentController : ControllerBase
    {
        private readonly IUploadService _uploadService;

        /// <summary>
        /// 构造
        /// </summary>
        /// <param name="uploadService"></param>
        public DocumentController(IUploadService uploadService)
        {
            _uploadService = uploadService;
        }

        /// <summary>
        /// 上传文件模板（doc、docx）
        /// </summary>
        /// <param name="code">租户唯一标识code</param>
        /// <param name="formFile">文件</param>
        /// <returns></returns>
        [HttpPost]
        public async Task<IActionResult> UploadDocTemplate([FromForm]string code,IFormFile formFile)
        {
            ReturnMsg msg = new ReturnMsg();
            if(formFile.Length>0)
            {
                msg = await this._uploadService.HandleUploadTemplateFile(formFile,code);                
            }
            else
            {
                msg.error = "请上传文件";
            }

            return new JsonResult(msg);
        }

        /// <summary>
        /// 上传文件（doc、docx）
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        public async Task<IActionResult> UploadDocInstance([FromForm] string code, IFormFile formFile)
        {
            ReturnMsg msg = new ReturnMsg();
            if (formFile.Length > 0)
            {
                msg = await this._uploadService.HandleUploadWordFile(formFile, code);
            }
            else
            {
                msg.error = "请上传文件";
            }

            return new JsonResult(msg);
        }

        /// <summary>
        /// 上传图片（jpg、jpeg、png）
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        public async Task<IActionResult> UploadPhoto([FromForm] string code, IFormFile formFile)
        {
            ReturnMsg msg = new ReturnMsg();
            if (formFile.Length > 0)
            {
                msg = await this._uploadService.HandleUploadImageFile(formFile, code);
            }
            else
            {
                msg.error = "请上传文件";
            }

            return new JsonResult(msg);
        }

        /// <summary>
        /// 下载文件
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        [HttpPost]
        public IActionResult Download([FromForm] string url)
        {
            try
            {
                if (!string.IsNullOrEmpty(url))
                {
                    var _webRootPath = AppDomain.CurrentDomain.BaseDirectory;
                    var path = _webRootPath + url;
                    if (System.IO.File.Exists(path))
                    {
                        return new FileStreamResult(new FileStream(path, FileMode.Open), "application/octet-stream");// { FileDownloadName = FileName };
                    }
                }
            }
            catch (Exception ex)
            {
                NLogProvider.GetInstance().Error(ex);                
            }
            return BadRequest();
        }
    }
}