// Copyright (c) 2025 - schick Informatik
// Description: Display control of formsheet Tab 6. Crew data arrival
//

using bsmd.database;
using ENI2.EditControls;
using ENI2.Util;
using ExcelDataReader;
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media.Imaging;


namespace ENI2.SheetDisplayControls
{
    /// <summary>
    /// Interaction logic for CrewPreArrivalControl.xaml
    /// </summary>
    public partial class CrewPreArrivalControl : DetailBaseControl
    {
        #region Fields

        private NAME _name;
        private Message _crewaMessage;
        private Message _crewdMessage;

        #endregion

        #region Construction

        public CrewPreArrivalControl()
        {
            InitializeComponent();
            this.Loaded += CrewPreArrivalControl_Loaded;
        }

        #endregion

        #region public override

        public override void Initialize()
        {
            base.Initialize();

            foreach (Message aMessage in this.Messages)
            {
                if (aMessage.MessageNotificationClass == Message.NotificationClass.NAME) { this._name = aMessage.Elements[0] as NAME; this.ControlMessages.Add(aMessage); }
                if (aMessage.MessageNotificationClass == Message.NotificationClass.CREWA) { this._crewaMessage = aMessage; this.ControlMessages.Add(aMessage); }
                if (aMessage.MessageNotificationClass == Message.NotificationClass.CREWD) { this._crewdMessage = aMessage; this.ControlMessages.Add(aMessage); }
            }

            this.textBox_NameMaster.DataContext = _name;
            this.textBlockNumCrewEntries.DataContext = _crewaMessage;

            #region init CREWA

            if (this._crewaMessage == null)
            {
                this._crewaMessage = this.Core.CreateMessage(Message.NotificationClass.CREWA);
                this.Messages.Add(this._crewaMessage);
            }                      

            this.dataGridCrewList.Initialize();
            this.dataGridCrewList.ItemsSource = this._crewaMessage.Elements;
            this.dataGridCrewList.AddingNewItem += DataGridCrewList_AddingNewItem;
            this.dataGridCrewList.EditRequested += DataGridCrewList_EditRequested;
            this.dataGridCrewList.DeleteRequested += DataGridCrewList_DeleteRequested;
            this.dataGridCrewList.CreateRequested += DataGridCrewList_CreateRequested;
            this.dataGridCrewList.RefreshGrid += DataGridCrewList_RefreshGrid;
            this.dataGridCrewList.MultiEditRequested += DataGridCrewList_MultiEditRequested;

            if (this._crewaMessage.Elements.Count > 0)
            {
                this.checkBoxCrewNotificationSchengen.IsChecked = ((CREW)this._crewaMessage.Elements[0]).NotificationSchengen;
                this.checkBoxCrewNotificationPAX.IsChecked = ((CREW)this._crewaMessage.Elements[0]).NotificationPAX;
            }

            // extra menu copy to CREWD
            {
                this.dataGridCrewList.ContextMenu.Items.Add(new Separator());
                MenuItem copyCREWAItem = new MenuItem();
                copyCREWAItem.Header = Properties.Resources.textCopyToCREWD;
                copyCREWAItem.Icon = new Image { Source = new BitmapImage(new Uri("pack://application:,,,/Resources/documents.png")) };
                copyCREWAItem.Click += CopyCREWAItem_Click;
                this.dataGridCrewList.ContextMenu.Items.Add(copyCREWAItem);
            }

            #endregion

        }

        public override void SetEnabled(bool enabled)
        {
            base.SetEnabled(enabled);
            this.crewPreArrivalGroupBox.IsEnabled = enabled;
        }

        #endregion

        #region event handler

        private void CopyCREWAItem_Click(object sender, RoutedEventArgs e)
        {
            if (this.dataGridCrewList.SelectedItems != null)
            {
                foreach (CREW crewa in this.dataGridCrewList.SelectedItems)
                {
                    CREWD crewd = new CREWD();
                    crewd.MessageHeader = this._crewdMessage;
                    crewd.CopyFromCREW(crewa);
                    crewd.IsDeparture = true;
                    crewd.Identifier = DatabaseEntity.GetNewIdentifier(this._crewdMessage.Elements);
                    this._crewdMessage.Elements.Add(crewd);
                    this.SublistElementChanged(Message.NotificationClass.CREWD);
                }                
            }
        }

        private void CrewPreArrivalControl_Loaded(object sender, RoutedEventArgs e)
        {
            this.RegisterTextboxChange(this.textBox_NameMaster, Message.NotificationClass.NAME);
        }

        private async void buttonDeleteAllCrewA_Click(object sender, RoutedEventArgs e)
        {
            if (MessageBox.Show(Properties.Resources.textConfimDeleteAllEntries, Properties.Resources.textConfirmation, MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.Yes)
            {
                foreach (CREW crewa in this._crewaMessage.Elements.Cast<CREW>())
                {
                    await DBManagerAsync.DeleteAsync(crewa);
                }
                this._crewaMessage.Elements.Clear();
                this.dataGridCrewList.Items.Refresh();
                this.SublistElementChanged(Message.NotificationClass.CREWA);
            }
        }

        private void checkBoxCrewNotificationSchengen_Click(object sender, RoutedEventArgs e)
        {
            foreach (CREW crew in _crewaMessage.Elements.Cast<CREW>())
            {
                crew.NotificationSchengen = checkBoxCrewNotificationSchengen.IsChecked;
            }
            this.SublistElementChanged(Message.NotificationClass.CREWA);
        }

        private void checkBoxCrewNotificationPAX_Click(object sender, RoutedEventArgs e)
        {
            foreach (CREW crew in _crewaMessage.Elements.Cast<CREW>())
            {
                crew.NotificationPAX = checkBoxCrewNotificationPAX.IsChecked;
            }
            this.SublistElementChanged(Message.NotificationClass.CREWA);
        }

        private void buttonImportExcelCrew_Click(object sender, RoutedEventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog
            {
                Filter = "Excel Files|*.xls;*.xlsx"
            };
            if (ofd.ShowDialog() ?? false)
            {
                FileStream stream;
                try
                {
                    stream = File.Open(ofd.FileName, FileMode.Open, FileAccess.Read);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }

                using (IExcelDataReader reader = ExcelReaderFactory.CreateReader(stream))
                {
                    List<CREW> importCrew = new List<CREW>();

                    try
                    {
                        do
                        {
                            while (reader.Read())
                            {
                                if (reader.FieldCount < 13)
                                {
                                    throw new InvalidDataException("Sheet must have 13 columns of data");
                                }
                                CREW crew = new CREW();
                                if (reader.IsDBNull(0) && reader.IsDBNull(1)) continue;
                                if (!reader.IsDBNull(0)) crew.CrewMemberLastName = reader.GetString(0).Clean();
                                if (crew.CrewMemberLastName.Equals("Family Name") || (crew.CrewMemberLastName.Trim().Length == 0)) continue;
                                if (!reader.IsDBNull(1)) crew.CrewMemberFirstName = reader.GetString(1).Clean();
                                if (!reader.IsDBNull(2)) crew.CrewMemberGender = GlobalStructures.ParseGender(reader.GetString(2));
                                if (!reader.IsDBNull(3)) crew.CrewMemberDuty = reader.GetString(3).Clean();
                                if (!reader.IsDBNull(4)) crew.CrewMemberNationality = reader.GetString(4).Substring(0, 2).ToUpper();
                                if (!reader.IsDBNull(5)) crew.CrewMemberPlaceOfBirth = reader.GetString(5).Clean();
                                if (!reader.IsDBNull(6)) crew.CrewMemberCountryOfBirth = reader.GetString(6).Substring(0, 2).ToUpper();
                                if (!reader.IsDBNull(7)) crew.CrewMemberDateOfBirth = reader.GetDateTime(7);
                                if (!reader.IsDBNull(8)) crew.CrewMemberIdentityDocumentType = GlobalStructures.ReadIdentityDocumentType(reader.GetString(8));
                                if (!reader.IsDBNull(9)) crew.CrewMemberIdentityDocumentId = reader.ReadAsString(9).Clean();
                                if (!reader.IsDBNull(10)) crew.CrewMemberIdentityDocumentIssuingState = reader.GetString(10).Substring(0, 2).ToUpper();
                                if (!reader.IsDBNull(11)) crew.CrewMemberIdentityDocumentExpiryDate = reader.GetDateTime(11);
                                if (!reader.IsDBNull(12)) crew.CrewMemberVisaNumber = reader.ReadAsString(12).Clean();

                                crew.MessageHeader = this._crewaMessage;
                                crew.IsDirty = true;
                                crew.Identifier = CREW.GetNewIdentifier(this._crewaMessage.Elements);
                                this._crewaMessage.Elements.Add(crew);
                                importCrew.Add(crew);
                            }
                        } while (reader.NextResult());
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show("Error reading Excel: " + ex.Message, Properties.Resources.textCaptionError, MessageBoxButton.OK, MessageBoxImage.Error);
                    }

                    if (importCrew.Count > 0)
                    {
                        this.dataGridCrewList.Items.Refresh();
                        this.SublistElementChanged(Message.NotificationClass.CREWA);
                        MessageBox.Show(String.Format(Properties.Resources.textCrewImported, importCrew.Count), Properties.Resources.textCaptionInformation, MessageBoxButton.OK, MessageBoxImage.Information);
                    }
                }

                stream.Close();
            }
        }

        private void buttonCopyFromCrewA_Click(object sender, RoutedEventArgs e)
        {
            CREW crewA = null;
            if (this._crewaMessage.Elements.Count > 0)
            {
                crewA = this._crewaMessage.Elements[0] as CREW;
            }

            SelectCrewMemberDialog scmd = new SelectCrewMemberDialog();
            scmd.CREW = crewA;
            scmd.AddVisible = false;

            if (scmd.ShowDialog() ?? false)
            {
                this.textBox_NameMaster.Text = $"{crewA.CrewMemberFirstName} {crewA.CrewMemberLastName}";
                this.SublistElementChanged(Message.NotificationClass.NAME);
                var binding = textBox_NameMaster.GetBindingExpression(TextBox.TextProperty);
                binding?.UpdateSource();
            }
        }
        

        #endregion

        #region crew grid arrival

        private void DataGridCrewList_CreateRequested()
        {
            EditCREWDialog ecd = new EditCREWDialog
            {
                CREW = new CREW()
            };
            ecd.CREW.Identifier = CREW.GetNewIdentifier(_crewaMessage.Elements);
            ecd.CREW.MessageHeader = this._crewaMessage;

            ecd.AddClicked += () =>
            {
                ecd.CopyValuesToEntity();
                if (!this._crewaMessage.Elements.Contains(ecd.CREW))
                {
                    this._crewaMessage.Elements.Add(ecd.CREW);
                    this.CheckCREWA();
                }
                this.dataGridCrewList.Items.Refresh();
                ecd.CREW = new CREW
                {
                    MessageHeader = this._crewaMessage,
                    Identifier = CREW.GetNewIdentifier(_crewaMessage.Elements)
                };
                this.SublistElementChanged(Message.NotificationClass.CREWA);
            };

            if (ecd.ShowDialog() ?? false)
            {
                if (!this._crewaMessage.Elements.Contains(ecd.CREW))
                {
                    _crewaMessage.Elements.Add(ecd.CREW);
                    this.CheckCREWA();
                }
                this.dataGridCrewList.Items.Refresh();
                this.SublistElementChanged(Message.NotificationClass.CREWA);
            }
        }

        private void DataGridCrewList_DeleteRequested(DatabaseEntity obj)
        {
            if (obj is CREW crew)
            {
                // are you sure dialog is in base class
                _crewaMessage.Elements.Remove(crew);
                DBManager.Instance.Delete(crew);
            }
        }

        private void DataGridCrewList_RefreshGrid()
        {
            DatabaseEntity.ResetIdentifiers(_crewaMessage.Elements);
            this.SublistElementChanged(Message.NotificationClass.CREWA);
            this.dataGridCrewList.Items.Refresh();
        }

        private void DataGridCrewList_EditRequested(DatabaseEntity obj)
        {
            EditCREWDialog ecd = new EditCREWDialog
            {
                CREW = obj as CREW
            };

            ecd.AddClicked += () =>
            {
                ecd.CopyValuesToEntity();
                if (!_crewaMessage.Elements.Contains(ecd.CREW))
                {
                    _crewaMessage.Elements.Add(ecd.CREW);
                    this.CheckCREWA();
                }
                this.dataGridCrewList.Items.Refresh();
                ecd.CREW = new CREW
                {
                    Identifier = CREW.GetNewIdentifier(_crewaMessage.Elements),
                    MessageHeader = _crewaMessage
                };
                this.SublistElementChanged(Message.NotificationClass.CREWA);
            };

            if (ecd.ShowDialog() ?? false)
            {
                if (!_crewaMessage.Elements.Contains(ecd.CREW))
                {
                    _crewaMessage.Elements.Add(ecd.CREW);
                    this.CheckCREWA();
                }
                ecd.CREW.IsDirty = true;
                this.dataGridCrewList.Items.Refresh();
                this.SublistElementChanged(Message.NotificationClass.CREWA);
            }
        }

        private void DataGridCrewList_AddingNewItem(object sender, AddingNewItemEventArgs e)
        {
            this.DataGridCrewList_CreateRequested();
        }

        private void DataGridCrewList_MultiEditRequested(List<DatabaseEntity> databaseEntities)
        {
            List<CREW> crewList = new List<CREW>();
            foreach (CREW acrew in databaseEntities.Cast<CREW>())
                crewList.Add(acrew);

            // write common values of all CREW entities to template entity
            CREW crew = CREW.CreateCommon(crewList);

            EditCREWDialog dialog = new EditCREWDialog();
            dialog.CREW = crew;
            dialog.AddVisible = false;
            if (dialog.ShowDialog() ?? false)
            {
                // write back changed values from crew to all entities and mark them as changed
                CREW.WriteTemplateToList(crew, crewList);

                this.SublistElementChanged(Message.NotificationClass.CREWA);
                this.dataGridCrewList.Items.Refresh();
            }
        }

        #endregion        

        #region private methods        

        private void CheckCREWA()
        {
            if (this._crewaMessage.Elements.Count == 0) return;
            CREW firstCREW = this._crewaMessage.Elements[0] as CREW;
            if (this._crewaMessage.Elements.Count == 1)
            {
                firstCREW.NotificationSchengen = true;
                this.checkBoxCrewNotificationSchengen.IsChecked = true;
            }
            else
            {
                for (int i = 1; i < this._crewaMessage.Elements.Count; i++)
                {
                    ((CREW)this._crewaMessage.Elements[i]).NotificationSchengen = firstCREW.NotificationSchengen;
                }
            }
        }




        #endregion
        
    }
}