using Centron.BusinessLogic;
using Centron.BusinessLogic.MyDay;
using Centron.Data.Entities.Administration.Logins;
using Centron.Interfaces.MyDay;
using Centron.Tests.EndToEnd.Infrastructure;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Xunit;
using Xunit.Abstractions;
using Centron.Interfaces.BL;
using CentronSoftware.Centron.WebServices.Entities.MyDay;
using Centron.BusinessLogic.Administration.Employees;
using Centron.BusinessLogic.WebServices.Employee;
using Centron.BusinessLogic.EmployeeArea;
using Centron.Data.Entities.EmployeeArea;
using Microsoft.Graph.Models.Security;

namespace Centron.Tests.EndToEnd.Tests.MyDay
{
    public class MyDayNotificationsTest : EndToEndTest
    {
        public MyDayNotificationsTest(ITestOutputHelper testOutputHelper) : base(testOutputHelper)
        {
        }

        private DateTime GetDateTime()
        {
            var date = DateTime.Today.AddDays(-1);

            while (date.DayOfWeek == DayOfWeek.Saturday || date.DayOfWeek == DayOfWeek.Sunday)
            {
                date = date.AddDays(-1);
            }

            return date;
        } 

        public override void Execute()
        {
            this.PrepareDatabase(this.GetLoggedInUser());
            this.CheckFinalizeMyDayNotifications(this.GetLoggedInUser(), 1);    // Expected: Beside vacation and sicckness has also work item "Meeting" and no finalized day -> Notification

            this.UpdateDatabase(this.GetLoggedInUser(34));
            this.CheckFinalizeMyDayNotifications(this.GetLoggedInUser(34), 0);  // Expected: Only items for vacation and sickness -> No Notification

            // Addes test case for Ticket 157349
            // Before: MyDayFinalizedDay was only recognized if it was saved between 0:00:00 and 23:59:59 on the last working day.
            // Now: MyDayFinalizedDay is recognized when it is saved between 0:00:00 a.m. on the last working day and immediately before the notification check.
            this.LateFinalizeMyDayBooking(this.GetLoggedInUser());
            this.CheckFinalizeMyDayNotifications(this.GetLoggedInUser(), 0);    // Expcted: Finalized day just in time for the work item "Meeting" -> No Notification
        }

        private void PrepareDatabase(LoggedInUser loggedInUser)
        {
            using (var session = new BLSession())
            {
                var settings = session.GetBL<MyDayWebServiceBL>().GetSettings().ThrowIfError();
                settings.SendDayNotFinalizedNotifications = true;
                session.GetBL<MyDayWebServiceBL>().UpdateSettings(settings).ThrowIfError();

                session.GetBL<MyDayWebServiceBL>().SaveOrUpdateWorkItem(new MyDayWorkItemDTO
                {
                    StartTime = this.GetDateTime().AddHours(8),
                    EndTime = this.GetDateTime().AddHours(17),
                    BreakTime = TimeSpan.FromHours(1),
                    EmployeeI3D = loggedInUser.User.Employee.I3D,
                    Caption = "Sickness",
                    Type = MyDayWorkItemType.Sickness,
                    ShowInTimeLine = true
                }).ThrowIfError();

                session.GetBL<MyDayWebServiceBL>().SaveOrUpdateWorkItem(new MyDayWorkItemDTO
                {
                    StartTime = this.GetDateTime().AddHours(8),
                    EndTime = this.GetDateTime().AddHours(17),
                    BreakTime = TimeSpan.FromHours(1),
                    EmployeeI3D = loggedInUser.User.Employee.I3D,
                    Caption = "Vacation",
                    Type = MyDayWorkItemType.Vacation,
                    ShowInTimeLine = true
                }).ThrowIfError();

                session.GetBL<MyDayWebServiceBL>().SaveOrUpdateWorkItem(new MyDayWorkItemDTO
                {
                    StartTime = this.GetDateTime().AddHours(8),
                    EndTime = this.GetDateTime().AddHours(17),
                    BreakTime = TimeSpan.FromHours(1),
                    EmployeeI3D = loggedInUser.User.Employee.I3D,
                    Caption = "Meeting",
                    Type = MyDayWorkItemType.Meeting,
                    ShowInTimeLine = true
                }).ThrowIfError();

                var result = session.GetBL<EmployeeDepartmentBL>().GetEmployeeDepartments2(loggedInUser.User).ThrowIfError();

                var employeeDepartment = result.FirstOrDefault();
                employeeDepartment.MyDayBegin = this.GetDateTime().AddHours(8);
                employeeDepartment.IsMyDayActive = true;

                session.GetBL<EmployeeDepartmentBL>().UpdateEmployeeDepartments(loggedInUser.User, result).ThrowIfError();
            }
        }

        private void UpdateDatabase(LoggedInUser loggedInUser)
        {
            using (var session = new BLSession())
            {
                var settings = session.GetBL<MyDayWebServiceBL>().GetSettings().ThrowIfError();
                settings.SendDayNotFinalizedNotifications = true;
                session.GetBL<MyDayWebServiceBL>().UpdateSettings(settings).ThrowIfError();

                session.GetBL<MyDayWebServiceBL>().SaveOrUpdateWorkItem(new MyDayWorkItemDTO
                {
                    StartTime = this.GetDateTime().AddHours(8),
                    EndTime = this.GetDateTime().AddHours(17),
                    BreakTime = TimeSpan.FromHours(1),
                    EmployeeI3D = loggedInUser.User.Employee.I3D,
                    Caption = "Sickness",
                    Type = MyDayWorkItemType.Sickness,
                    ShowInTimeLine = true
                }).ThrowIfError();

                session.GetBL<MyDayWebServiceBL>().SaveOrUpdateWorkItem(new MyDayWorkItemDTO
                {
                    StartTime = this.GetDateTime().AddHours(8),
                    EndTime = this.GetDateTime().AddHours(17),
                    BreakTime = TimeSpan.FromHours(1),
                    EmployeeI3D = loggedInUser.User.Employee.I3D,
                    Caption = "Vacation",
                    Type = MyDayWorkItemType.Vacation,
                    ShowInTimeLine = true
                }).ThrowIfError();

                var result = session.GetBL<EmployeeDepartmentBL>().GetEmployeeDepartments2(loggedInUser.User).ThrowIfError();

                var employeeDepartment = result.FirstOrDefault();
                employeeDepartment.MyDayBegin = this.GetDateTime().AddHours(8);
                employeeDepartment.IsMyDayActive = true;

                session.GetBL<EmployeeDepartmentBL>().UpdateEmployeeDepartments(loggedInUser.User, result).ThrowIfError();
            }
        }

        private void CheckFinalizeMyDayNotifications(LoggedInUser loggedInUser, int expectedNotificationCount)
        {
            using (var session = new BLSession())
            {
                var notifications = session.GetBL<MyDayNotificationsWebServiceBL>().GetCurrentNotificationsToSend();

                Assert.True(notifications.Where(f => f.EmployeeI3D == loggedInUser.User.Employee.I3D).Count() == expectedNotificationCount);
            }
        }


        private void LateFinalizeMyDayBooking(LoggedInUser loggedInUser)
        {
            using (var session = new BLSession())
            {
                session.GetBL<MyDayWebServiceBL>().SaveOrUpdateFinalizedDay(new MyDayFinalizedDayDTO
                {
                    EmployeeI3D = loggedInUser.User.Employee.I3D,
                    Date = DateTime.Now.AddMinutes(-1),
                    Comment = "Sorry forgot to do that yesterday!"
                }).ThrowIfError();
            }
        }
    }
}