using DS.Module.Core;
using DS.Module.ExcelModule;
using DS.Module.ExcelModule.Model;
using DS.WMS.Core.Code.Interface;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using NPOI.HPSF;
using System.Text;

namespace DS.WMS.MainApi.Controllers
{
    /// <summary>
    /// Excel服务 模块
    /// </summary>
    public class ExcelController : ApiController
    {
        private readonly IExcelService _invokeService;

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="invokeService"></param>
        public ExcelController(IExcelService invokeService)
        {
            _invokeService = invokeService;
        }

        /// <summary>
        /// 根据用户列导出Excel数据
        /// </summary>
        /// <param name="req">请求数据</param>
        /// <returns></returns>
        [HttpPost]
        [Route("ExportExcelByColumn")]
        public DataResult<string> ExportExcelByColumn([FromBody] ExportByColumnReq req)
        {
            return _invokeService.ExportExcelByColumn(req);
        }

        /// <summary>
        /// 根据用户列导出Excel文件流
        /// </summary>
        /// <param name="req">请求数据</param>
        /// <returns></returns>
        [HttpPost]
        [Route("ExportExcelStreamByColumn")]
        public async Task<IActionResult> ExportExcelStreamByColumn([FromBody] ExportByColumnReq req)
        {
            var result = _invokeService.ExportExcelStreamByColumn(req);
            HttpContext.Response.Headers.Add("Content-Length", result.Length.ToString());
            HttpContext.Response.Headers.Add("Content-Type", "charset=UTF-8");
            return File(result, "application/octet-stream;charset=UTF-8", Path.GetFileName(Path.GetRandomFileName() + ".xlsx"));
            //return new FileStreamResult(result, "application/octet-stream") { FileDownloadName = Guid.NewGuid().ToString() + ".xlsx" };
        }
    }
}