using DevExpress.Web.Mvc;
using EnVisage.Code.BLL;
using EnVisage.Code.HtmlHelpers;
using EnVisage.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Microsoft.AspNet.Identity;
using EnVisage.Code;
using Envisage.Code.DAL;
using EnVisage.Code.DAL;
using DevExpress.Xpo;
using Envisage.Code.BLL;
using System.IO;
using DevExpress.XtraReports.UI;
using DevExpress.XtraReports.Native;

namespace EnVisage.Controllers
{
    [Authorize]
    public class ReportingController : Controller
    {
        //
        // GET: /Reporting/
        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Read)]
        public ActionResult Index()
        {
            return View();
        }

        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Read)]
        public ActionResult Viewer(string id)
        {
            var report = ReportManager.LoadReport(new ReportCallbackModel()
            {
                ReportId = id
            });
            var model = new ReportModel
            {
                ReportId = id,
                Report = report
            };
            return View("BaseReportView", model);
        }
        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Read)]
        public ActionResult Summary()
        {
            var report = ReportManager.LoadReport(new ReportCallbackModel()
            {
                ReportId = Constants.REPORT_SUMMARY_ID
            });
            var model = new ReportModel
            {
                ReportId = Constants.REPORT_SUMMARY_ID,
                Report = report
            };
            return View("BaseReportView", model);
        }
        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Read)]
        public ActionResult Test()
        {
            var report = ReportManager.LoadReport(new ReportCallbackModel()
            {
                ReportId = Constants.REPORT_TEST_ID
            });
            var model = new ReportModel
            {
                ReportId = Constants.REPORT_TEST_ID,
                Report = report
            };
            return View("BaseReportView", model);
        }
        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Read)]
        public ActionResult ForecastRevenue()
        {
            var report = ReportManager.LoadReport(new ReportCallbackModel()
            {
                ReportId = Constants.REPORT_FOREREVENUE_ID
            });
            var model = new ReportModel
            {
                ReportId = Constants.REPORT_FOREREVENUE_ID,
                Report = report
            };
            return View("BaseReportView", model);
        }
        public ActionResult ForecastNonRevenue()
        {
            var report = ReportManager.LoadReport(new ReportCallbackModel()
            {
                ReportId = Constants.REPORT_NONFOREREVENUE_ID
            });
            var model = new ReportModel
            {
                ReportId = Constants.REPORT_NONFOREREVENUE_ID,
                Report = report
            };
            return View("BaseReportView", model);
        }

        #region Callback handlers 
        public ActionResult CallbackPanelPartial(ReportCallbackModel model)
		{
            var report = ReportManager.LoadReport(model);
            //we have to reset RequestParameters, otherwise report witl request parameters again but should reload sorted data without additional button click
            report.RequestParameters = false;
            return PartialView("_CallbackPanelPartial", report);
		}
        #endregion

        #region Designer Actions
        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Write)]
        public ActionResult List()
        {
            using (var session = SessionFactory.Create())
            {
                var reports = session.Query<UserReport>()
                    .Select(x => new ReportListItemModel
                    {
                        Id = x.Oid.ToString(),
                        Name = x.Name
                    })
                    .ToArray();
                var firstReport = reports.FirstOrDefault();
                var model = new ReportListModel
                {
                    SelectedReportId = firstReport != null ? firstReport.Id : string.Empty,
                    Reports = reports
                };
                return View(model);
            }
        }

        [HttpPost]
        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Write)]
        public ActionResult Delete(int id)
        {
            using (var session = SessionFactory.Create())
            {
                var report = session.GetObjectByKey<UserReport>(id);
                session.Delete(report);
                session.CommitChanges();
            }
            return RedirectToAction("List");
        }

        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Write)]
        public ActionResult Add(string name)
        {
            return View("Designer", new DesignModel
            {
                NewName = name,
                Report = GetNewReport(),
                DataSource = CustomDataSourceSerializer.GetDataSource()
            });
        }

        [HttpPost]
        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Write)]
        public ActionResult Edit(int id)
        {
            using (var session = SessionFactory.Create())
            {
                var reportEntity = session.GetObjectByKey<UserReport>(id);
                using (var stream = new MemoryStream(reportEntity.Layout))
                {
                    var report = XtraReport.FromStream(stream, true);
                    return View("Designer", new DesignModel { Id = id.ToString(), Report = report });
                }
            }
        }

        [HttpPost]
        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Write)]
        public JsonResult AddNewReport(string name)
        {
            var layout = ReportDesignerExtension.GetReportXml("reportDesigner");
            using (var session = SessionFactory.Create())
            {
                var reportEntity = new UserReport(session)
                {
                    Name = name,
                    Layout = layout
                };
                session.CommitChanges();
                return Json(reportEntity.Oid);
            }
        }

        [HttpPost]
        [AreaSecurityAttribute(area = Areas.Reports, level = AccessLevel.Write)]
        public JsonResult UpdateReport(int id)
        {
            var layout = ReportDesignerExtension.GetReportXml("reportDesigner");
            using (var session = SessionFactory.Create())
            {
                var reportEntity = session.GetObjectByKey<UserReport>(id);
                reportEntity.Layout = layout;
                session.CommitChanges();
                return Json(reportEntity.Oid);
            }
        }

        static DevExpress.XtraReports.UI.XtraReport GetNewReport()
        {
            var report = new ReportBase();
            report.Extensions[SerializationService.Guid] = CustomDataSourceSerializer.Name;
            return report;
        }

        #endregion
    }
}