using FrontendWebApi.Models;
using iTextSharp.text;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using NPOI.HPSF;
using NPOI.HSSF.UserModel;
using NPOI.SS.Formula.Functions;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using NPOI.Util;
using Org.BouncyCastle.Crypto.Agreement.JPake;
using Repository.BackendRepository.Interface;
using Repository.FrontendRepository.Interface;
using System;
using System.Collections.Generic;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Image = System.Drawing.Image;
using System.IdentityModel.Tokens.Jwt;
using System.Net;
using NPOI.POIFS.Crypt.Dsig;
using System.Text;

namespace FrontendWebApi.ApiControllers
{
    //[Route("api/[controller]")]
    //[ApiController]
    public class OperationLogController : MyBaseApiController<OperationLogController>
    {
        private readonly IBackendRepository backendRepository;
        private readonly IBackgroundServiceMsSqlRepository backgroundServiceMsSqlRepository;
        private string operationFileSaveAsPath = "";

        public OperationLogController(IBackendRepository backendRepository, IBackgroundServiceMsSqlRepository backgroundServiceMsSqlRepository)
        {
            this.backendRepository = backendRepository;
            operationFileSaveAsPath = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", "upload", "operation");
            this.backgroundServiceMsSqlRepository = backgroundServiceMsSqlRepository;
        }

        /// <summary>
        /// 巨蛋操作紀錄api  1:系統紀錄;2:登入紀錄;3:燈控排程紀錄
        /// </summary>
        /// <param name="pageResult"></param>
        /// <returns></returns>
        [HttpPost]
        [Route("api/OperationLog/GetLogList")]
        public async Task<ApiResult<PageResult<List<OperationLogOutput>>>> GetLogList([FromBody] PageResult<OperationLogInput> pageResult)
        {

            ApiResult<PageResult<List<OperationLogOutput>>> apiResult = new ApiResult<PageResult<List<OperationLogOutput>>>();
            List<OperationLogOutput> logList = new List<OperationLogOutput>();
            int total = 0;
            string start_time = DateTime.Parse(pageResult.data?.start_time).ToString("yyyy-MM-dd");
            string end_time = DateTime.Parse(pageResult.data?.end_time).ToString("yyyy-MM-dd"); ;
            string mark = pageResult.isEnable ? ";" : "\n";
            try
            {
                if (pageResult.data.type == 1 || pageResult.data.type == 2)
                {
                    string building_tag = pageResult.data?.building_tag;
                    string tableName = (building_tag == "D2" || building_tag == "D3") ? "D2_Pri" : $"{building_tag}";
                    string sWhere = pageResult.data.type == 1 ? "OPERATION ='Invoked'" : "(OPERATION = 'Login' or OPERATION = 'Logout (Timeout)')";
                    string sWhere2 = pageResult.data.type == 1 ? ((building_tag == "D2" || building_tag == "D3") ?
                        "and (TARGET like '/Arena/D2%' or target like '/Arena/D3%')" : $"and TARGET like '/Arena/{building_tag}%'") : "";
                    string pageQuery = pageResult.isEnable ? "" : @"ORDER BY [TIMESTAMP] DESC -- 必須提供 ORDER BY 子句
                                                                    OFFSET @skip ROWS
                                                                    FETCH NEXT @pageSize ROWS ONLY;";

                    string sql = $@"SELECT DISTINCT
                                      [TIMESTAMP] created_at
                                      ,[OPERATION] action_name
                                      ,[TARGET] parameter
                                      ,[SLOTNAME]
                                      ,[OLDVALUE]
                                      ,[VALUE]
                                      ,[USERNAME] user_name
                                FROM [taipei_dome].[dbo].[ARENA_{tableName}_AUDITHISTORY]
                                WHERE {sWhere} 
                                  AND TIMESTAMP >= @start_time AND TIMESTAMP < DATEADD(day, 1, @end_time)
                                  {sWhere2}
                                  {pageQuery}";
                    // 取得資料
                    logList = await backgroundServiceMsSqlRepository.GetAllAsync<OperationLogOutput>(sql,
                                    new
                                    {
                                        pageSize = pageResult.pageSize,
                                        skip = (pageResult.currentPage - 1) * pageResult.pageSize,
                                        operation_type = pageResult.data?.operation_type,
                                        start_time = start_time,
                                        end_time = end_time,
                                    });
                    sql = @$"SELECT COUNT(*) AS TotalCount
                             FROM (
                                 SELECT DISTINCT 
                                        [TIMESTAMP] created_at,
                                        [OPERATION] action_name,
                                        [TARGET] parameter,
                                        [SLOTNAME],
                                        [OLDVALUE],
                                        [VALUE],
                                        [USERNAME] user_name
                                 FROM [taipei_dome].[dbo].[ARENA_{tableName}_AUDITHISTORY]
                                 WHERE {sWhere} 
                                   AND TIMESTAMP >= @start_time AND TIMESTAMP < DATEADD(day, 1, @end_time)
                                   {sWhere2}
                             ) AS subquery;";
                    total = await backgroundServiceMsSqlRepository.GetOneAsync<int>(sql,
                                   new
                                   {
                                       start_time = start_time,
                                       end_time = end_time,
                                   });
                    logList.ForEach(log => log.content = $"Target：{log.parameter}{mark}Value：{log.value}");
                }
                else if (pageResult.data.type == 3)
                {
                    string pageQuery = pageResult.isEnable ? "" : "LIMIT @pageSize OFFSET @skip";

                    var sql = $@"SELECT ui.full_name AS user_name, ol.*
                                 FROM operation_log ol
                                 LEFT JOIN userinfo ui ON ui.userinfo_guid COLLATE utf8mb4_unicode_ci = ol.user_guid
                                 WHERE ol.operation_type = @operation_type 
                                   AND ol.building_tag = @building_tag
                                   AND ol.created_at >= @start_time 
                                   AND ol.created_at <= @end_time 
                                {pageQuery}";
                    // 取得資料
                    logList = await backendRepository.GetAllAsync<OperationLogOutput>(sql,
                                   new
                                   {
                                       pageSize = pageResult.pageSize,
                                       skip = (pageResult.currentPage - 1) * pageResult.pageSize,
                                       operation_type = pageResult.data?.operation_type,
                                       building_tag = pageResult.data?.building_tag,
                                       start_time = start_time,
                                       end_time = end_time,
                                   });
                    sql = $@"SELECT COUNT(*) AS total_count
                             FROM (
                                 SELECT ui.full_name AS user_name, ol.*
                                 FROM operation_log ol
                                 LEFT JOIN userinfo ui ON ui.userinfo_guid COLLATE utf8mb4_unicode_ci = ol.user_guid
                                 WHERE ol.operation_type = @operation_type 
                                   AND ol.building_tag = @building_tag
                                   AND ol.created_at >= @start_time 
                                   AND ol.created_at <= @end_time
                             ) AS subquery;";
                    total = await backendRepository.GetOneAsync<int>(sql,
                                   new
                                   {
                                       operation_type = pageResult.data?.operation_type,
                                       building_tag = pageResult.data?.building_tag,
                                       start_time = start_time,
                                       end_time = end_time,
                                   });
                    // 設定呈現紀錄內容
                    foreach (var log in logList)
                    {
                        if (log.parameter == null)
                        {
                            continue;
                        }
                        switch (log.operation_type)
                        {
                            case 1:
                                var chaName = JsonConvert.DeserializeObject<ChangeName>(log.parameter);
                                if (chaName == null) continue;
                                log.content = chaName.TagName + "：" + chaName.ChangeN;
                                break;
                            case 2:
                                var schedule = JsonConvert.DeserializeObject<SaveSchedule>(log.parameter);
                                if (schedule == null) continue;
                                var contentArr = new List<string>() {
                                "編號：" + schedule.light_schedule_guid,
                                "名稱：" + schedule.full_name,
                            };

                                if (log.action_name == "修改")
                                {
                                    contentArr.Add("修改內容：" + string.Join("、", schedule.changeNames));
                                }
                                log.content = string.Join(mark, contentArr);
                                break;
                        }
                    }
                }
                else
                {
                    apiResult.Code = "5000";
                    apiResult.Msg = "無效參數";
                    return apiResult;
                }


                var result = new PageResult<List<OperationLogOutput>>
                {
                    pageSize = pageResult.pageSize,
                    totalItem = total,
                    currentPage = pageResult.currentPage,
                    data = logList.OrderByDescending(log => log.created_at).ToList()
                };

                apiResult.Code = "0000";
                apiResult.Data = result;

            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
                return apiResult;
            }
            return apiResult;

        }

        [HttpPost]
        [Route("api/OperationLog/ExportList")]
        public async Task<IActionResult> ExportList([FromBody] OperationLogExportInput input)
        {
            List<OperationLogOutput> result = new List<OperationLogOutput>();
            //if (input.isNiagara)
            //{
            //    result = input.exportList;
            //}
            //else
            //{
            //    PageResult<OperationLogInput> pageResult = input.listInput;
            //    pageResult.isEnable = false;
            //    result = ((ApiResult<List<OperationLogOutput>>)((OkObjectResult)(await this.GetList(pageResult)).Result).Value).Data.ToList();
            //}
            input.listInput.isEnable = true;
            result = GetLogList(input.listInput).Result.Data.data;

            var FileName = $"{input.exportOpeTypeName}_{DateTime.Now}.csv";
            // 生成CSV文件
            string Csv;
            string formatted_created_at = null;

            if (result.Count > 0)
            {
                StringBuilder csv = new StringBuilder();

                // 添加CSV標題行
                csv.AppendLine("操作人,動作,內容,紀錄時間");

                // 添加數據行
                foreach (var item in result)
                {

                    if (item.created_at.HasValue)
                    {
                        formatted_created_at = item.created_at.Value.ToString("yyyy/MM/dd HH:mm:ss");
                    }

                    csv.AppendLine($"{item.user_name},{item.action_name},{item.content},{formatted_created_at}");
                }
                Csv = csv.ToString();

                using (var fileMemoryStream = new MemoryStream())
                {
                    using (var streamWriter = new StreamWriter(fileMemoryStream, Encoding.UTF8))
                    {
                        streamWriter.Write(Csv);
                    }
                    return File(fileMemoryStream.ToArray(), "text/csv", FileName);
                }
            }
            else
            {
                var msg = new { Code = "0003", Msg = "無資料可匯出。" };
                return StatusCode(400, msg);
            }

            #region excel寫法，但有行數上限為 1,048,576

            #region excel設定
            //var workbook = new XSSFWorkbook();
            //IFont font12 = workbook.CreateFont();
            //font12.FontName = "新細明體";
            //font12.FontHeightInPoints = 12;
            //ICellStyle style12 = workbook.CreateCellStyle();
            //style12.SetFont(font12);
            //style12.Alignment = HorizontalAlignment.Center;
            //style12.VerticalAlignment = VerticalAlignment.Center;
            //IFont font12Times = workbook.CreateFont();
            //font12Times.FontName = "Times New Roman";
            //font12Times.FontHeightInPoints = 12;
            //IFont font18 = workbook.CreateFont();
            //font18.FontName = "新細明體";
            //font18.FontHeightInPoints = 18;
            //font18.IsBold = true;
            //ICellStyle styleTitle18 = workbook.CreateCellStyle();
            //styleTitle18.SetFont(font18);
            //styleTitle18.Alignment = HorizontalAlignment.Center;
            //styleTitle18.VerticalAlignment = VerticalAlignment.Center;
            //ICellStyle styleLeft12 = workbook.CreateCellStyle();
            //styleLeft12.SetFont(font12);
            //styleLeft12.Alignment = HorizontalAlignment.Left;
            //styleLeft12.VerticalAlignment = VerticalAlignment.Center;
            //ICellStyle styleLine12 = workbook.CreateCellStyle();
            //styleLine12.SetFont(font12);
            //styleLine12.Alignment = NPOI.SS.UserModel.HorizontalAlignment.Center;
            //styleLine12.VerticalAlignment = VerticalAlignment.Center;
            //styleLine12.BorderTop = NPOI.SS.UserModel.BorderStyle.Thin;
            //styleLine12.BorderBottom = NPOI.SS.UserModel.BorderStyle.Thin;
            //styleLine12.BorderRight = NPOI.SS.UserModel.BorderStyle.Thin;
            //styleLine12.BorderLeft = NPOI.SS.UserModel.BorderStyle.Thin;
            //ICellStyle stylein12 = workbook.CreateCellStyle();
            //stylein12.SetFont(font12Times);
            //stylein12.Alignment = NPOI.SS.UserModel.HorizontalAlignment.Left;
            //stylein12.VerticalAlignment = VerticalAlignment.Center;
            //stylein12.BorderTop = NPOI.SS.UserModel.BorderStyle.Thin;
            //stylein12.BorderBottom = NPOI.SS.UserModel.BorderStyle.Thin;
            //stylein12.BorderRight = NPOI.SS.UserModel.BorderStyle.Thin;
            //stylein12.BorderLeft = NPOI.SS.UserModel.BorderStyle.Thin;
            //stylein12.WrapText = true;
            #endregion

            //var sheet = workbook.CreateSheet(input.exportOpeTypeName);
            //int RowPosition = 0;
            //if (result.Count > 0)
            //{
            //    #region set cell
            //    int ri = 0;
            //    IRow row = sheet.CreateRow(RowPosition);
            //    //if (!input.isNiagara)
            //    //{
            //    //    sheet.SetColumnWidth(ri++, 1 * 160 * 12);
            //    //}
            //    sheet.SetColumnWidth(ri++, 2 * 160 * 12);
            //    sheet.SetColumnWidth(ri++, 2 * 160 * 12);
            //    sheet.SetColumnWidth(ri++, 8 * 160 * 12);
            //    sheet.SetColumnWidth(ri++, 4 * 160 * 12);

            //    int i = 0;

            //    ICell cell = row.CreateCell(i++);
            //    //if (!input.isNiagara)
            //    //{
            //    //    cell.SetCellValue("編號");
            //    //    cell.CellStyle = styleLine12;
            //    //    cell = row.CreateCell(i++);
            //    //}
            //    cell.SetCellValue("操作人");
            //    cell.CellStyle = styleLine12;
            //    cell = row.CreateCell(i++);
            //    cell.SetCellValue("動作");
            //    cell.CellStyle = styleLine12;

            //    cell = row.CreateCell(i++);
            //    cell.SetCellValue("內容");
            //    cell.CellStyle = styleLine12;
            //    cell = row.CreateCell(i++);
            //    cell.SetCellValue("紀錄時間");
            //    cell.CellStyle = styleLine12;
            //    #endregion

            //    foreach (var r in result)
            //    {
            //        RowPosition += 1;
            //        int k = 3;
            //        row = sheet.CreateRow(RowPosition);
            //        for (int j = 0; j <= i; j++)
            //        {
            //            int s = 0;
            //            cell = row.CreateCell(j);
            //            //if (!input.isNiagara && j == s++)
            //            //{
            //            //    cell.SetCellValue(r.id);
            //            //}
            //            if (j == s++)
            //            {
            //                cell.SetCellValue(r.user_name);
            //            }
            //            if (j == s++)
            //            {
            //                cell.SetCellValue(r.action_name);
            //            }

            //            if (j == s++)
            //            {
            //                cell.SetCellValue(r.content);
            //            }

            //            if (j == s++)
            //            {
            //                cell.SetCellValue(r.created_at != null ? ((DateTime)r.created_at).ToString("yyyy-MM-dd HH:mm:ss") : null);
            //            }

            //            cell.CellStyle = style12;
            //        }
            //    }
            //}

            //var ms = new NpoiMemoryStream
            //{
            //    AllowClose = false
            //};
            //workbook.Write(ms);
            //ms.Flush();
            //ms.Seek(0, SeekOrigin.Begin);

            //Response.Headers.Add("Access-Control-Expose-Headers", "Content-Disposition");

            //return File(ms, "application/vnd.ms-excel", $"操作紀錄_{input.exportOpeTypeName}.xlsx");
            #endregion

        }
    }
}