BeWoPlaner/BeWo/View/Report/Kilometerauswertung/KilometerauslastungsView.xaml.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Windows;
using System.Windows.Controls;
using BeWo.Annotations;
using BeWo.ServiceProxy;
using BS.Shared.Core;
using BS.Shared.DataContracts.Compact;
using ChatController.Utilities.Extensions;
using DevExpress.Xpf.Core;
using DevExpress.XtraReports.UI;

namespace BeWo.View.Report.Kilometerauswertung
{
    public partial class KilometerauslastungsView : INotifyPropertyChanged
    {
        public bool IsCreateButtonEnabled => ShouldDoListReport || _ReportType == KilometerauslastungsType.Customer && _SelectedCustomer != null || _ReportType == KilometerauslastungsType.Employee && _SelectedEmployee != null;

        private List<CompactCustomerDC> AllCustomers { get; set; } = new List<CompactCustomerDC>();

        private List<CompactEmployeeDC> AllEmployees { get; set; } = new List<CompactEmployeeDC>();

        public bool ShouldDoListReport
        {
            get
            {
                if(_ReportType == KilometerauslastungsType.Customer)
                {
                    return AllCustomersCheckBox.IsChecked.HasValue && AllCustomersCheckBox.IsChecked.Value;
                }

                return AllEmployeesCheckBox.IsChecked.HasValue && AllEmployeesCheckBox.IsChecked.Value;
            }
        }

        private CompactCustomerDC _SelectedCustomer;
        public CompactCustomerDC SelectedCustomer
        {
            get => _SelectedCustomer;

            set
            {
                if(!Equals(_SelectedCustomer, value))
                {
                    _SelectedCustomer = value;

                    if(value != null)
                    {
                        OnPropertyChanged(nameof(IsCreateButtonEnabled));
                    }

                    OnPropertyChanged(nameof(SelectedCustomer));
                }
            }
        }

        private CompactEmployeeDC _SelectedEmployee;
        public CompactEmployeeDC SelectedEmployee
        {
            get => _SelectedEmployee;

            set
            {
                if(!Equals(_SelectedEmployee, value))
                {
                    _SelectedEmployee = value;

                    if(value != null)
                    {
                        OnPropertyChanged(nameof(IsCreateButtonEnabled));
                    }

                    OnPropertyChanged(nameof(SelectedEmployee));
                }
            }
        }

        public List<string> MonthNames => DateTimeFormatInfo.CurrentInfo?.MonthNames.Where(s => !string.IsNullOrEmpty(s)).ToList();

        private int _SelectedMonthIndex;

        private List<int> _Years;

        public List<int> Years
        {
            get => _Years;

            set
            {
                if(_Years != value)
                {
                    _Years = value;

                    OnPropertyChanged(nameof(Years));
                }
            }
        }

        public int SelectedMonthIndex
        {
            get => _SelectedMonthIndex;

            set
            {
                if(_SelectedMonthIndex != value)
                {
                    _SelectedMonthIndex = value;

                    OnPropertyChanged(nameof(SelectedMonthIndex));
                }
            }
        }

        private int _SelectedYearIndex;

        public int SelectedYearIndex
        {
            get => _SelectedYearIndex;

            set
            {
                if(_SelectedYearIndex != value)
                {
                    _SelectedYearIndex = value;

                    OnPropertyChanged(nameof(SelectedYearIndex));
                }
            }
        }

        private KilometerauslastungsType _ReportType = KilometerauslastungsType.Customer;


        public KilometerauslastungsView()
        {
            InitializeComponent();

            DataContext = this;

            var monthIndex = DateTime.Now.Month - 2;

            SelectedMonthIndex = monthIndex < 0 ? 11 : monthIndex;

            
            InitYearComboBox();
            if (DateTime.Now.Month == 1)
            {
                SelectedYearIndex = 1;
            }  

            ServiceFacade.DoEmployeeServiceAsync(s => s.GetActiveCompactCustomersForEmployee(BeWoApp.LoggedOnEmployeeOid), allCustomers =>
            {
                this.Dispatch(() =>
                {
                    AllCustomers = allCustomers;
                });
            });

            ServiceFacade.DoEmployeeServiceAsync(s => s.GetActiveCompactEmployeesForEmployee(BeWoApp.LoggedOnEmployeeOid.Value), allEmployees =>
            {
                this.Dispatch(() =>
                {
                    AllEmployees = allEmployees;
                });
            });

            // DevExpress 
            ThemeManager.SetTheme(BeWoApp.CurrentBeWo.MainWindow, Theme.Office2010Black);

            Unloaded += delegate
            {
                ThemeManager.SetTheme(BeWoApp.CurrentBeWo.MainWindow, null);
            };
        }

        private void InitYearComboBox()
        {
            var years = new List<int>();

            for(var i = 0; i < 10; i++)
            {
                years.Add(DateTime.Now.Year - i);
            }

            Years = years;
        }

        private void CustomersPopUpEdit_OnPopUpClick(object sender, RoutedEventArgs e)
        {
            CustomerSearchViewPopup.IsOpen = true;
        }

        private void EmployeesPopUpEdit_OnPopUpClick(object sender, RoutedEventArgs e)
        {
            EmployeeSearchViewPopup.IsOpen = true;
        }

        private void CustomerSearchViewPopup_CustomerSelected(object sender, EventArgs<CompactCustomerDC> e)
        {
            SelectedCustomer = e.Data;
            CustomerSearchViewPopup.IsOpen = false;
        }

        public event PropertyChangedEventHandler PropertyChanged;

        [NotifyPropertyChangedInvocator]
        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        private void ButtonGenerate_OnClick(object sender, RoutedEventArgs e)
        {
            var selectedYear = Years[SelectedYearIndex];

            var rangeDate = new DateTime(selectedYear, SelectedMonthIndex + 1, 1);

            if(ShouldDoListReport)
            {
                if(_ReportType == KilometerauslastungsType.Customer)
                {
                    ServiceFacade.DoReportServiceAsync(s => s.CreateKilometerauswertungForAllCustomers(AllCustomers.Select(customer => customer.CustomerOid).ToList(), rangeDate), ShowReport, true);
                }
                else
                {
                    ServiceFacade.DoReportServiceAsync(s => s.CreateKilometerauswertungForAllEmployees(AllEmployees.Select(employee => employee.EmployeeOid).ToList(), rangeDate), ShowReport, true);
                }
            }
            else
            {
                if(_ReportType == KilometerauslastungsType.Customer)
                {
                    ServiceFacade.DoReportServiceAsync(s => s.CreateKilometerauswertung(SelectedCustomer.CustomerOid, rangeDate), ShowReport, true);
                }
                else
                {
                    ServiceFacade.DoReportServiceAsync(s => s.CreateEmployeeKilometerauswertung(SelectedEmployee.EmployeeOid, rangeDate), ShowReport, true);
                }
            }
        }

        private void ShowReport(MemoryStream reportStream)
        {
            if(reportStream == null)
            {
                return;
            }

            this.Dispatch(() =>
            {
                var report = new XtraReport();

                try
                {
                    report.PrintingSystem.LoadDocument(reportStream);
                }
                catch(Exception exception)
                {
                    MessageBox.Show("Beim Öffnen der Druckvorschau ist leider ein Fehler aufgetreten!", "Fehler", MessageBoxButton.OK, MessageBoxImage.Exclamation);
                }

                reportStream.Close();
                reportStream.Dispose();

                DocumentPreviewControl.DocumentSource = report;
                DocumentPreviewControl.Visibility = Visibility.Visible;
            });
        }

        private void AllCustomersCheckBox_OnCheckedChanged(object sender, RoutedEventArgs e)
        {
            CustomerPopUpEdit.Visibility = ShouldDoListReport ? Visibility.Hidden : Visibility.Visible;
            EmployeePopUpEdit.Visibility = Visibility.Collapsed;

            OnPropertyChanged(nameof(IsCreateButtonEnabled));
            OnPropertyChanged(nameof(ShouldDoListReport));
        }

        private void ToggleButton_OnChecked(object sender, RoutedEventArgs e)
        {
            var radioButton = (RadioButton) sender;
            
            switch(radioButton.Name)
            {
                case "CustomerKmReportRadioButton":
                    _ReportType = KilometerauslastungsType.Customer;
                    break;
                case "EmployeeKmReportRadioButton":
                    _ReportType = KilometerauslastungsType.Employee;
                    break;
            }

            SetVisibilityValues();
        }

        private void AllEmployeesCheckBox_OnChecked(object sender, RoutedEventArgs e)
        {
            EmployeePopUpEdit.Visibility = ShouldDoListReport ? Visibility.Hidden : Visibility.Visible;
            CustomerPopUpEdit.Visibility = Visibility.Collapsed;

            OnPropertyChanged(nameof(IsCreateButtonEnabled));
            OnPropertyChanged(nameof(ShouldDoListReport));
        }

        private void EmployeeSearchViewPopup_EmployeeSelected(object sender, EventArgs<CompactEmployeeDC> e)
        {
            SelectedEmployee = e.Data;
            EmployeeSearchViewPopup.IsOpen = false;
        }

        private void SetVisibilityValues()
        {
            if(_ReportType == KilometerauslastungsType.Customer)
            {
                EmployeeSearchViewPopup.Visibility = Visibility.Collapsed;
                AllEmployeesCheckBox.Visibility = Visibility.Collapsed;
                EmployeePopUpEdit.Visibility = Visibility.Collapsed;

                CustomerSearchViewPopup.Visibility = Visibility.Visible;
                AllCustomersCheckBox.Visibility = Visibility.Visible;
                CustomerSearchViewPopup.Visibility = Visibility.Visible;
            }
            else
            {
                CustomerSearchViewPopup.Visibility = Visibility.Collapsed;
                AllCustomersCheckBox.Visibility = Visibility.Collapsed;
                CustomerSearchViewPopup.Visibility = Visibility.Collapsed;

                EmployeeSearchViewPopup.Visibility = Visibility.Visible;
                AllEmployeesCheckBox.Visibility = Visibility.Visible;
                EmployeePopUpEdit.Visibility = Visibility.Visible;
            }
        }

        private void KilometerauslastungsView_OnInitialized(object sender, EventArgs e)
        {
            CustomerKmReportRadioButton.IsChecked = true;
        }
    }

    public enum KilometerauslastungsType
    {
        Customer,
        Employee
    }
}