using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Web.Http;
using System.Web.Mvc;
using FastReport;
using FastReport.Export.Pdf;
using FastReport.Export.RichText;
using FastReport.Utils;
using Kreta.BusinessLogic.Classes;
using Kreta.BusinessLogic.Helpers;
using Kreta.BusinessLogic.Helpers.SystemSettings;
using Kreta.BusinessLogic.Security;
using Kreta.Core;
using Kreta.Enums;
using Kreta.Enums.ManualEnums;
using Kreta.Resources;
using Kreta.Web.Areas.Nyomtatvanyok.Logic;
using Kreta.Web.Areas.Tanar.Models;
using Kreta.Web.Helpers;
using Kreta.Web.Models.EditorTemplates;
using Kreta.Web.Security;

namespace Kreta.Web.Areas.Tanar.Controllers
{
    [MvcRoleClaimsAuthorize(true)]
    [MvcRolePackageDenyAuthorize(KretaClaimPackages.IsOnlyAlkalmozott.ClaimValue, KretaClaimPackages.IsSzirIntezmeny.ClaimValue, KretaClaimPackages.IsDualisKepzohelyiOktato.ClaimValue)]
    public class FogadooraController : Controller
    {
        public object Datetime { get; private set; }

        [MvcRolePackageAuthorize(KretaClaimPackages.Tanar.ClaimValue)]
        public ActionResult Index()
        {
            if (!new SystemSettingsHelper(ConnectionTypeExtensions.GetSessionConnectionType()).GetSystemSettingValue<bool>(RendszerBeallitasTipusEnum.Fogadoorak_megjelenitese))
            {
                return Redirect(Url.Content(CommonExtensions.GetDefaultPage()));
            }

            var model = new FogadooraSearchModel();
            return View("Index", model);
        }

        [MvcRolePackageAuthorize(KretaClaimPackages.Adminisztrator.ClaimValue)]
        public ActionResult FogadooraKereso()
        {
            if (!new SystemSettingsHelper(ConnectionTypeExtensions.GetSessionConnectionType()).GetSystemSettingValue<bool>(RendszerBeallitasTipusEnum.Fogadoorak_megjelenitese))
            {
                return Redirect(Url.Content(CommonExtensions.GetDefaultPage()));
            }

            var model = new FogadooraSearchModel() { FeladatEllatasiHelyId = ClaimData.FelhelySzuro };
            return View("FogadooraKereso", model);
        }

        public ActionResult OpenFogadooraJelentkezettGondviselokPopupp(int fogadooraId, string handler = "FogadooraGridHelper")
        {
            var helper = new FogadooraHelper(ConnectionTypeExtensions.GetActiveSessionConnectionType());

            var fogadooraCo = helper.GetFogadooraById(fogadooraId);

            var popUpModel = new PopUpModel(new FogadooraJelentkezesInfoModel
            {
                Id = fogadooraCo.Id,
                TeremNev = fogadooraCo.TeremNev,
                IsNemKotottMunkaido = fogadooraCo.IsNemKotottMunkaido,
                FogadoOraKezdete = fogadooraCo.FogadoOraKezdete.ToShortTimeString(),
                FogadoOraVege = fogadooraCo.FogadoOraVege.ToShortTimeString(),
                JelentkezesekKezelese = fogadooraCo.JelentkezesekKezelese,
                FogadoOraDatuma = fogadooraCo.FogadoOraDatuma.ToShortDateString()
            }, "Fogadoora_Info");

            popUpModel = popUpModel.AddCancelBtn(popUpModel, handler + ".detailJelentkezettGondviselokCancel");
            return PartialView(Constants.General.PopupView, popUpModel);
        }

        public ActionResult FogadooraLetoltesPdf([FromBody] int fogadooraId) => FogadooraLetoltes(fogadooraId, NyomtatvanyFormatumEnum.PDF);

        public ActionResult FogadooraLetoltesWord([FromBody] int fogadooraId) => FogadooraLetoltes(fogadooraId, NyomtatvanyFormatumEnum.Word);

        private ActionResult FogadooraLetoltes(int fogadooraId, NyomtatvanyFormatumEnum fileTipus)
        {
            try
            {
                var outPut = new MemoryStream();
                ActionResult fogadooraDokumentum = new FileStreamResult(outPut, "application/octet-stream");
                var fogadooraHelper = new FogadooraHelper(ConnectionTypeExtensions.GetSessionConnectionType());
                var ds = fogadooraHelper.GetFogadooraDokumentumAdatok(fogadooraId);

                var parameters = new Dictionary<string, object>();
                var frxNev = NyomtatvanyEnum.FogadooraDokumentum.ToString();

                var row = ds.Tables[0].Rows[0];
                parameters.Add("FogadooraDatuma", SDAConvert.ToDateTime(row["FogadooraDatuma"])?.ToString("yyyy.MM.dd."));
                parameters.Add("TeremNev", SDAConvert.ToString(row["TeremNev"]).ReplaceMultipleSpacesAndTrim());
                parameters.Add("FogadooraKezdete", SDAConvert.ToDateTime(row["FogadooraKezdete"])?.ToString("HH:mm"));
                parameters.Add("FogadooraVege", SDAConvert.ToDateTime(row["FogadooraVege"])?.ToString("HH:mm"));
                parameters.Add("IdosavokMerteke", SDAConvert.ToString(row["IdosavokMerteke"]).ReplaceMultipleSpacesAndTrim());
                parameters.Add("FogadooratKiiro", SDAConvert.ToString(row["FogadooratKiiro"]).ReplaceMultipleSpacesAndTrim());

                var jelentkezesHatarido = GetJelentkezesHatarido(row);
                parameters.Add("Hatarido", jelentkezesHatarido);

                var fogadooraCo = fogadooraHelper.GetFogadooraById(fogadooraId);
                var osztalyHelper = new OsztalyCsoportHelper(ConnectionTypeExtensions.GetSessionConnectionType());
                var osztalyokNeveiList = fogadooraCo.SelectedOsztalyCsoportIdList.Select(x => osztalyHelper.GetOsztalyCsoportNevById(x)).ToList();
                parameters.Add("FogadooOsztalyaiCsoportjai", string.Join(",", osztalyokNeveiList));
                parameters.Add("KellSorokKiegeszitese", fogadooraCo.FogadooraTipusEnumId != (int)FogadooraTipusEnum.JelentkezhetoDarabolt);

                switch (fileTipus)
                {
                    case NyomtatvanyFormatumEnum.PDF:
                        fogadooraDokumentum = PDFGeneralas(ds, frxNev, FogadooraResource.FogadooraDokumentumNev, parameters);
                        break;
                    case NyomtatvanyFormatumEnum.Word:
                        fogadooraDokumentum = WordGeneralas(ds, frxNev, FogadooraResource.FogadooraDokumentumNev, parameters);
                        break;
                    default:
                        break;
                }
                outPut.Position = 0;

                return fogadooraDokumentum;
            }
            catch (Exception ex)
            {
                throw NyomtatvanyokLogic.NyomtatvanyError(ex);
            }
        }

        private string GetJelentkezesHatarido(DataRow row)
        {
            var fogadooraKezdete = SDAConvert.ToDateTime(row["FogadooraKezdeteTeljes"]);
            var jelentkezesHatarido = SDAConvert.ToDateTime(row["JelentkezesHatarido"]);

            var hatarido = jelentkezesHatarido.HasValue ? (int?)(fogadooraKezdete.Value - jelentkezesHatarido.Value).TotalHours : null;
            if (hatarido == null || hatarido == 0)
            {
                return FogadooraResource.Nincs;
            }

            return string.Format(FogadooraResource.ora, hatarido.Value);
        }

        private ActionResult PDFGeneralas(DataSet ds, string frxNeve, string dokumentumNeve, Dictionary<string, object> parameterek = null)
        {
            Config.WebMode = true;

            const string _fileTemplate = "{0}/{1}.frx";

            var report = new Report();

            var mapPath = string.Format(_fileTemplate, ApplicationData.NyomtatasiSablonokKonyvtar, frxNeve);
            report.Load(System.Web.Hosting.HostingEnvironment.MapPath(mapPath));

            foreach (DataTable dt in ds.Tables)
            {
                report.RegisterData(dt, dt.TableName);
            }

            if (parameterek != null)
            {
                foreach (var parameter in parameterek)
                {
                    report.SetParameterValue(parameter.Key, parameter.Value);
                }
            }

            string script = report.ReportResourceString;
            if (report.Report.Prepare())
            {
                PDFExport pdfExport = new PDFExport
                {
                    ShowProgress = false,
                    Subject = "Subject",
                    Title = dokumentumNeve,
                    Compressed = true,
                    AllowPrint = true,
                    EmbeddingFonts = true,
                    Creator = Constants.ImportExport.Creator
                };

                var stream = new MemoryStream();
                report.Report.Export(pdfExport, stream);
                report.Dispose();
                pdfExport.Dispose();
                stream.Position = 0;

                byte[] base64;
                using (CryptoStream cryptoStream = new CryptoStream(stream, new ToBase64Transform(), CryptoStreamMode.Write))
                using (StreamWriter streamWriter = new StreamWriter(cryptoStream))
                {
                    streamWriter.Flush();
                    base64 = stream.ToArray();
                }
                var fileContents = Convert.ToBase64String(base64);
                var dokumentumContent = new ContentResult() { Content = fileContents, ContentType = "application/pdf" };

                return dokumentumContent;
            }

            return null;
        }

        private ActionResult WordGeneralas(DataSet ds, string frxNeve, string dokumentumNeve, Dictionary<string, object> parameterek = null)
        {
            Config.WebMode = true;

            const string _fileTemplate = "{0}/{1}.frx";

            var report = new Report();

            var mapPath = string.Format(_fileTemplate, ApplicationData.NyomtatasiSablonokKonyvtar, frxNeve);
            report.Load(System.Web.Hosting.HostingEnvironment.MapPath(mapPath));

            foreach (DataTable dt in ds.Tables)
            {
                report.RegisterData(dt, dt.TableName);
            }

            if (parameterek != null)
            {
                foreach (var parameter in parameterek)
                {
                    report.SetParameterValue(parameter.Key, parameter.Value);
                }
            }

            string script = report.ReportResourceString;
            if (report.Report.Prepare())
            {
                RTFExport textExport = new RTFExport
                {
                    ShowProgress = false,
                    Creator = Constants.ImportExport.Creator
                };

                var stream = new MemoryStream();
                report.Report.Export(textExport, stream);
                report.Dispose();
                textExport.Dispose();
                stream.Position = 0;

                byte[] base64;
                using (CryptoStream cryptoStream = new CryptoStream(stream, new ToBase64Transform(), CryptoStreamMode.Write))
                using (StreamWriter streamWriter = new StreamWriter(cryptoStream))
                {
                    streamWriter.Flush();
                    base64 = stream.ToArray();
                }
                var fileContents = Convert.ToBase64String(base64);
                var dokumentumContent = new ContentResult() { Content = fileContents, ContentType = "application/doc" };

                return dokumentumContent;
            }

            return null;
        }
    }
}