using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using HRM.BO;
using HRM.DA;
using Microsoft.AspNetCore.Authorization;
using System.IO;
using Newtonsoft.Json;
using Microsoft.AspNetCore.StaticFiles;

namespace HRM.UI.Controllers.Payroll
{
    [Route("api/dataUpload")]
    [ApiController]
    [Authorize]
    public class DataUploadController : ControllerBase
    {
        private static string _filePath = @"ClientApp\Documents\";
        public readonly IDataUploadColumnDefinition _columnDefination;

        public DataUploadController(IDataUploadColumnDefinition columnDefination)
        {
            this._columnDefination = columnDefination;
        }

        // loan
        [HttpGet("prepareUpload/{uploadId}/{itemid}")]
        public ActionResult GetPrepareUpload(int uploadId, string itemid)
        {
            int? newItemid = GlobalFunctions.GetApiDefaultIntData(itemid);
            DataUploadColumnDefinition dataColumnDefinition = new DataUploadColumnDefinition();
            try
            {
                CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
                dataColumnDefinition = this._columnDefination.GetColumnDefinition(uploadId, newItemid, (int)currentUser.PayrollTypeID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(dataColumnDefinition);
        }

        //[HttpGet("uploadData/{uploadId}/{oColumnDefination}/{path}")]
        //public ActionResult GetUploadDataMessage(int uploadId, DataUploadColumnDefinitionVM oColumnDefination, string path)
        //{
        //    RegularDataUpload regUpload= new RegularDataUpload();
        //    List<UploadErrorOrSuccess> errorOrSuccessList = new List<UploadErrorOrSuccess>();
        //    try
        //    {
        //       // regUpload.UploadData(uploadId, oColumnDefination, path);
        //    }
        //    catch (Exception ex)
        //    {
        //        return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
        //    }

        //    return Ok(regUpload);
        //}

        [HttpPost]
        [Route("regularExcelInterface")]
        [AllowAnonymous]
        public ActionResult regularExcelInterface()
        {
            DataUploadColumnDefinition oColumnDefination = new DataUploadColumnDefinition();
            RegularDataUploadService regUpload = new RegularDataUploadService();
            List<UploadErrorOrSuccess> errorOrSuccessList = new List<UploadErrorOrSuccess>();
            DateTime selectedDate = DateTime.Today;
            try
            {
                int uploadID = Convert.ToInt32(Request.Form["uploadID"]);
                int? itemid = GlobalFunctions.GetApiDefaultIntData( Convert.ToString(Request.Form["itemID"]));
                int? itemidTwo = GlobalFunctions.GetApiDefaultIntData(Convert.ToString(Request.Form["itemIDTwo"]));
                int? payrolltypeid = GlobalFunctions.GetApiDefaultIntData(Convert.ToString(Request.Form["payrolltypeid"]));
                int? userid = GlobalFunctions.GetApiDefaultIntData(Convert.ToString(Request.Form["userid"]));
                string date = Request.Form["selectedDate"];
                if (!string.IsNullOrEmpty(date))
                {
                    selectedDate = DateTime.Parse(date);
                }
                
                var files = Request.Form.Files;

                foreach (var formFile in files)
                {
                    oColumnDefination = this._columnDefination.GetColumnDefinition(uploadID, itemid, (int)payrolltypeid);
                    if (itemid != null)
                    {
                        oColumnDefination.uploadItemID =(int) itemid;
                        oColumnDefination.SelectedItemOneID =(int) itemid;
                    }
                    if (itemidTwo != null)
                    {
                        oColumnDefination.SelectedItemTwoID =(int) itemidTwo;
                    }
                    errorOrSuccessList = regUpload.UploadData(uploadID, oColumnDefination, formFile.OpenReadStream()
                        , (int)payrolltypeid, (int) userid, itemid, selectedDate);

                    break;
                }
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(errorOrSuccessList);
        }

        [HttpPost]
        [Route("uploadBonusFile")]
        [AllowAnonymous]
        public ActionResult uploadBonusFile()
        {
            DataUploadColumnDefinition oColumnDefination = new DataUploadColumnDefinition();
            RegularDataUploadService regUpload = new RegularDataUploadService();
            List<BonusProcess.BonusProcessDetail> items = null;
            try
            {
                int? payrolltypeid = GlobalFunctions.GetApiDefaultIntData(Convert.ToString(Request.Form["payrolltypeid"]));

                var files = Request.Form.Files;
                foreach (var formFile in files)
                {
                    oColumnDefination = this._columnDefination.GetColumnDefinition(
                        (int)EnumRegularDataUpload.Bonus, null, (int)payrolltypeid);
                    items = regUpload.GetBonusData((int)EnumRegularDataUpload.Bonus, oColumnDefination, formFile.OpenReadStream()
                        , (int)payrolltypeid);

                    break;
                }
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(items);
        }

        [HttpPost]
        [Route("get-download-file")]
        [AllowAnonymous]
        [IgnoreAntiforgeryToken]
        [ProducesResponseType(StatusCodes.Status200OK)]
        public async Task<IActionResult> EmployeeDownload(dynamic data)
        {
            //var uploads = Path.Combine(_hostingEnvironment.WebRootPath, "uploads");
            //var filePath = Path.Combine(uploads, file);

            var item = Newtonsoft.Json.JsonConvert.DeserializeObject(Convert.ToString(data));
            string tempfileName = (string) item["fileName"].ToObject<string>();
            string tempmappingpath = (string) item["mappingPath"].ToObject<string>();

            var fileName = _filePath + tempmappingpath;
            var contentType = GetFileType(data);
            string fullPath = System.IO.Path.Combine(System.Environment.CurrentDirectory, fileName);

            if (!System.IO.File.Exists(fullPath))
                return NotFound();

            var memory = new MemoryStream();
            using (var stream = new FileStream(fullPath, FileMode.Open))
            {
                await stream.CopyToAsync(memory);
            }

            memory.Position = 0;

            return File(memory, GetContentType(fullPath));
        }

        [HttpPost]
        [Route("get-file-type")]
        [AllowAnonymous]
        [IgnoreAntiforgeryToken]
        [ProducesResponseType(StatusCodes.Status200OK)]
        public string GetFileType(dynamic data)
        {
            var item = Newtonsoft.Json.JsonConvert.DeserializeObject(Convert.ToString(data));
            string fileName = (string) item["fileName"].ToObject<string>();
            string contentType;
            new FileExtensionContentTypeProvider().TryGetContentType(fileName, out contentType);
            return contentType ?? "application/octet-stream";
        }


        private string GetContentType(string path)
        {
            var provider = new FileExtensionContentTypeProvider();
            string contentType;
            if (!provider.TryGetContentType(path, out contentType))
            {
                contentType = "application/octet-stream";
            }

            return contentType;
        }
    }
}