// Copyright (c) 2017 schick Informatik
// Description: Detailansicht NOA_NOD, AGNT
//

using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Diagnostics;

using bsmd.database;
using ENI2.EditControls;
using ENI2.Util;


namespace ENI2.DetailViewControls
{
    /// <summary>
    /// Interaction logic for PortCallDetailControl.xaml
    /// </summary>
    public partial class PortCallDetailControl : DetailBaseControl
    {

        #region Fields

        private NOA_NOD _noa_nod;
        private AGNT _agnt;
        private static List<AGNT_Template> _agntTemplates = null;
        private AGNT_Template _currentTemplate;
        private AGNT_Template _undoTemplate;

        #endregion

        #region Construction

        public PortCallDetailControl()
        {
            InitializeComponent();
            this.Loaded += PortCallDetailControl_Loaded;
        }

        #endregion

        #region Loading / initialize

        private void PortCallDetailControl_Loaded(object sender, RoutedEventArgs e)
        {
            // NOA_NOD
            this.RegisterDateTimePickerChange(this.dateTimePicker_ETAToKielCanal, Message.NotificationClass.NOA_NOD);
            this.RegisterDateTimePickerChange(this.dateTimePicker_ETAToNextPort, Message.NotificationClass.NOA_NOD);
            this.RegisterDateTimePickerChange(this.dateTimePicker_ETAToPortOfCall, Message.NotificationClass.NOA_NOD);
            this.RegisterDateTimePickerChange(this.dateTimePicker_ETDFromKielCanal, Message.NotificationClass.NOA_NOD);
            this.RegisterDateTimePickerChange(this.dateTimePicker_ETDFromLastPort, Message.NotificationClass.NOA_NOD);
            this.RegisterDateTimePickerChange(this.dateTimePicker_ETDFromPortOfCall, Message.NotificationClass.NOA_NOD);
            this.RegisterLocodeChange(this.locodeControl_LastPort, Message.NotificationClass.NOA_NOD);
            this.RegisterLocodeChange(this.locodeControl_NextPort, Message.NotificationClass.NOA_NOD);
            this.RegisterCheckboxChange(this.checkBox_IsAnchored, Message.NotificationClass.NOA_NOD);

            // AGNT
            this.RegisterTextboxChange(this.textBox_AgentCity, Message.NotificationClass.AGNT);
            this.RegisterTextboxChange(this.textBox_AgentCompanyName, Message.NotificationClass.AGNT);
            this.RegisterTextboxChange(this.textBox_AgentEMail, Message.NotificationClass.AGNT);
            this.RegisterTextboxChange(this.textBox_AgentFax, Message.NotificationClass.AGNT);
            this.RegisterTextboxChange(this.textBox_AgentFirstName, Message.NotificationClass.AGNT);
            this.RegisterTextboxChange(this.textBox_AgentLastName, Message.NotificationClass.AGNT);
            this.RegisterTextboxChange(this.textBox_AgentPhone, Message.NotificationClass.AGNT);
            this.RegisterTextboxChange(this.textBox_AgentPostalCode, Message.NotificationClass.AGNT);
            this.RegisterTextboxChange(this.textBox_AgentStreetAndNumber, Message.NotificationClass.AGNT);
            this.RegisterTextboxChange(this.textBox_AgentCountry, Message.NotificationClass.AGNT);

            this.buttonSaveTemplate.IsEnabled = DBManager.Instance.GetReportingPartyDict()[App.UserId.Value].IsEditor;
            this.buttonDeleteTemplate.IsEnabled = DBManager.Instance.GetReportingPartyDict()[App.UserId.Value].IsEditor;
        }

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

            foreach (Message aMessage in this.Messages)
            {
                if (aMessage.MessageNotificationClass == Message.NotificationClass.NOA_NOD)
                {
                    if (aMessage.Elements.Count > 0)
                        _noa_nod = aMessage.Elements[0] as NOA_NOD;
                    else
                        _noa_nod = new NOA_NOD(); // TODO
                    this.ControlMessages.Add(aMessage);
                }

                if(aMessage.MessageNotificationClass == Message.NotificationClass.AGNT)
                {
                    if (aMessage.Elements.Count > 0)
                        _agnt = aMessage.Elements[0] as AGNT;
                    else
                        _agnt = new AGNT();
                    this.ControlMessages.Add(aMessage);
                }
            }

            this.dateTimePicker_ETAToKielCanal.IsEnabled = this.Core.IsTransit;
            this.dateTimePicker_ETDFromKielCanal.IsEnabled = this.Core.IsTransit;
            this.dateTimePicker_ETAToPortOfCall.IsEnabled = !this.Core.IsTransit;
            this.dateTimePicker_ETDFromPortOfCall.IsEnabled = !this.Core.IsTransit;

            this.noaNodGroupBox.DataContext = _noa_nod;
            this.locodeControl_LastPort.DataContext = _noa_nod;
            this.locodeControl_NextPort.DataContext = _noa_nod;

            this.dataGridCallPurposes.Initialize();
            this.dataGridCallPurposes.ItemsSource = _noa_nod.CallPurposes;
            this.dataGridCallPurposes.EditRequested += DataGridCallPurposes_EditRequested;
            this.dataGridCallPurposes.AddingNewItem += DataGridCallPurposes_AddingNewItem;
            this.dataGridCallPurposes.CreateRequested += DataGridCallPurposes_CreateRequested;
            this.dataGridCallPurposes.DeleteRequested += DataGridCallPurposes_DeleteRequested;


            this.agentGroupBox.DataContext = _agnt;

            this.dateTimePicker_ETAToKielCanal.DataContext = _noa_nod;
            this.dateTimePicker_ETAToNextPort.DataContext = _noa_nod;
            this.dateTimePicker_ETAToPortOfCall.DataContext = _noa_nod;
            this.dateTimePicker_ETDFromKielCanal.DataContext = _noa_nod;
            this.dateTimePicker_ETDFromLastPort.DataContext = _noa_nod;
            this.dateTimePicker_ETDFromPortOfCall.DataContext = _noa_nod;

            this.checkBox_IsAnchored.IsEnabled = this.Core.IsDK;

            if(_agntTemplates == null)
            {
                _agntTemplates = await DBManagerAsync.GetAGNTTemplatesAsync(); // inital full load
                _agntTemplates.Sort();
                Trace.WriteLine(string.Format("{0} agent templates loaded", _agntTemplates.Count));
            }
            this.comboBox_AgentTemplate.ItemsSource = _agntTemplates;

        }

        #endregion

        #region datagrid call purposes

        private void DataGridCallPurposes_DeleteRequested(DatabaseEntity obj)
        {
            if (obj is CallPurpose cp)
            {
                // are you sure dialog is in base class
                _noa_nod.CallPurposes.Remove(cp);
                DBManager.GetSingleCon(Properties.Settings.Default.ConnectionString).Delete(cp);
                DatabaseEntity.ResetIdentifiers(new List<DatabaseEntity>(_noa_nod.CallPurposes));
                this.SublistElementChanged(Message.NotificationClass.NOA_NOD);
                this.dataGridCallPurposes.Items.Refresh();
            }
        }

        private void DataGridCallPurposes_CreateRequested()
        {
            EditCallPurposeDialog ecpd = new EditCallPurposeDialog();
            ecpd.AddClicked += () =>
            {
                ecpd.CopyValuesToEntity();
                if (!_noa_nod.CallPurposes.Contains(ecpd.CallPurpose))
                    _noa_nod.CallPurposes.Add(ecpd.CallPurpose);
                this.dataGridCallPurposes.Items.Refresh();
                ecpd.CallPurpose = new CallPurpose();
                ecpd.CallPurpose.Identifier = CallPurpose.GetNewIdentifier(_noa_nod.CallPurposes);
                ecpd.CallPurpose.NOA_NOD = this._noa_nod;
                this.SublistElementChanged(Message.NotificationClass.NOA_NOD);
            };
            ecpd.CallPurpose = new CallPurpose();
            ecpd.CallPurpose.Identifier = CallPurpose.GetNewIdentifier(_noa_nod.CallPurposes);
            ecpd.CallPurpose.NOA_NOD = this._noa_nod;

            if(ecpd.ShowDialog() ?? false)
            {
                if(!_noa_nod.CallPurposes.Contains(ecpd.CallPurpose))
                    _noa_nod.CallPurposes.Add(ecpd.CallPurpose);
                this.dataGridCallPurposes.Items.Refresh();
                // signal up
                this.SublistElementChanged(Message.NotificationClass.NOA_NOD);
            }
        }

        private void DataGridCallPurposes_AddingNewItem(object sender, AddingNewItemEventArgs e)
        {
            this.DataGridCallPurposes_CreateRequested();
        }

        private void DataGridCallPurposes_EditRequested(DatabaseEntity obj)
        {
            EditCallPurposeDialog ecpd = new EditCallPurposeDialog();
            ecpd.CallPurpose = obj as CallPurpose;
            ecpd.AddClicked += () =>
            {
                ecpd.CopyValuesToEntity();
                if (!_noa_nod.CallPurposes.Contains(ecpd.CallPurpose))
                    _noa_nod.CallPurposes.Add(ecpd.CallPurpose);
                this.dataGridCallPurposes.Items.Refresh();
                ecpd.CallPurpose = new CallPurpose();
                ecpd.CallPurpose.Identifier = CallPurpose.GetNewIdentifier(_noa_nod.CallPurposes);
                ecpd.CallPurpose.NOA_NOD = this._noa_nod;
                this.SublistElementChanged(Message.NotificationClass.NOA_NOD);
            };
            if (ecpd.ShowDialog() ?? false)
            {
                if (!_noa_nod.CallPurposes.Contains(ecpd.CallPurpose))
                    _noa_nod.CallPurposes.Add(ecpd.CallPurpose);
                this.dataGridCallPurposes.Items.Refresh();
                // signal up
                this.SublistElementChanged(Message.NotificationClass.NOA_NOD);
            }
        }

        #endregion

        #region Highlighting

        public override void HighlightErrorMessageContainer()
        {
            if (this._noa_nod.MessageHeader.HasErrors)
            {
                HighlightService.HighlightControl(this.portCallGroupBox, HighlightService.HighlightStyle.ERROR, this._noa_nod.MessageHeader);
            }

            if (this._agnt.MessageHeader.HasErrors)
            {
                HighlightService.HighlightControl(this.agentGroupBox, HighlightService.HighlightStyle.ERROR, this._agnt.MessageHeader);
            }
        }

        public override void HighlightViolationMessageContainer()
        {
            if (this._noa_nod.MessageHeader.HasViolations)
            {
                HighlightService.HighlightControl(this.portCallGroupBox, HighlightService.HighlightStyle.VIOLATION, this._noa_nod.MessageHeader);
            }

            if (this._agnt.MessageHeader.HasViolations)
            {
                HighlightService.HighlightControl(this.agentGroupBox, HighlightService.HighlightStyle.VIOLATION, this._agnt.MessageHeader);
            }
        }

        #endregion

        #region mouse wheel

        private void ScrollViewer_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
        {
            ScrollViewer scv = (ScrollViewer)sender;
            scv.ScrollToVerticalOffset(scv.VerticalOffset - e.Delta);
            e.Handled = true;
        }

        #endregion

        #region AGNT templates combo

        private void comboBox_AgentTemplate_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            Trace.WriteLine("combo selection changed");
            if (this.comboBox_AgentTemplate.SelectedItem is AGNT_Template at)
            {
                this.textBoxTemplateTitle.Text = at.AgentTitle;
                this.buttonDeleteTemplate.IsEnabled = true;
                this.buttonSetTemplate.IsEnabled = true;
                this._currentTemplate = at;
            }

        }

        private void buttonDeleteTemplate_Click(object sender, RoutedEventArgs e)
        {
            if (_currentTemplate != null)
            {
                if (MessageBox.Show("Delete this template?", "Confirmation", MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.Yes)
                {
                    this.comboBox_AgentTemplate.SelectedItem = null;
                    this.comboBox_AgentTemplate.ItemsSource = null;
                    DBManager.Instance.Delete(_currentTemplate);
                    _agntTemplates.Remove(_currentTemplate);
                    this.textBoxTemplateTitle.Text = null;
                    this.buttonDeleteTemplate.IsEnabled = false;                    
                    this.comboBox_AgentTemplate.ItemsSource = _agntTemplates;
                    this.buttonSetTemplate.IsEnabled = false;
                }
            }
        }

        private void buttonSaveTemplate_Click(object sender, RoutedEventArgs e)
        {
            string title = this.textBoxTemplateTitle.Text.Trim();
            if(title.IsNullOrEmpty())
            {
                MessageBox.Show("Title may not be empty", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                return;
            }

            AGNT_Template existingTemplate = null;
            foreach(AGNT_Template anExistingTemplate in _agntTemplates)
            {
                if(anExistingTemplate.AgentTitle.Equals(title,StringComparison.OrdinalIgnoreCase))
                {
                    existingTemplate = anExistingTemplate;
                    break;
                }
            }

            if(existingTemplate != null)
            {
                if (MessageBox.Show("A template with this name already exists, overwrite?", "Confirmation", MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.No)
                    return;
            }

            this._currentTemplate = createFromCurrentText(title, existingTemplate);
            DBManager.Instance.Save(this._currentTemplate);

            if(existingTemplate == null)
            {
                comboBox_AgentTemplate.ItemsSource = null;
                _agntTemplates.Add(this._currentTemplate);
                _agntTemplates.Sort();
                comboBox_AgentTemplate.ItemsSource = _agntTemplates;
            }

            MessageBox.Show("Template saved", "OK", MessageBoxButton.OK, MessageBoxImage.Information);
        }

        private void buttonUndoTemplate_Click(object sender, RoutedEventArgs e)
        {

            this.textBox_AgentCity.Text = this._undoTemplate.AgentCity;
            this.textBox_AgentCity.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentCompanyName.Text = this._undoTemplate.AgentCompanyName;
            this.textBox_AgentCompanyName.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentCountry.Text = this._undoTemplate.AgentCountry;
            this.textBox_AgentCountry.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentEMail.Text = this._undoTemplate.AgentEMail;
            this.textBox_AgentEMail.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentFax.Text = this._undoTemplate.AgentFax;
            this.textBox_AgentFax.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentFirstName.Text = this._undoTemplate.AgentFirstName;
            this.textBox_AgentFirstName.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentLastName.Text = this._undoTemplate.AgentLastName;
            this.textBox_AgentLastName.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentPhone.Text = this._undoTemplate.AgentPhone;
            this.textBox_AgentPhone.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentPostalCode.Text = this._undoTemplate.AgentPostalCode;
            this.textBox_AgentPostalCode.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentStreetAndNumber.Text = this._undoTemplate.AgentStreetAndNumber;
            this.textBox_AgentStreetAndNumber.GetBindingExpression(TextBox.TextProperty).UpdateSource();

            this.buttonUndoTemplate.IsEnabled = false; // can't undo after undo
        }

        private void buttonSetTemplate_Click(object sender, RoutedEventArgs e)
        {
            if (this._currentTemplate == null) return;

            this._undoTemplate = createFromCurrentText(null, null);

            this.textBox_AgentCity.Text = this._currentTemplate.AgentCity;
            this.textBox_AgentCity.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentCompanyName.Text = this._currentTemplate.AgentCompanyName;
            this.textBox_AgentCompanyName.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentCountry.Text = this._currentTemplate.AgentCountry;
            this.textBox_AgentCountry.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentEMail.Text = this._currentTemplate.AgentEMail;
            this.textBox_AgentEMail.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentFax.Text = this._currentTemplate.AgentFax;
            this.textBox_AgentEMail.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentFirstName.Text = this._currentTemplate.AgentFirstName;
            this.textBox_AgentFirstName.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentLastName.Text = this._currentTemplate.AgentLastName;
            this.textBox_AgentLastName.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentPhone.Text = this._currentTemplate.AgentPhone;
            this.textBox_AgentPhone.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentPostalCode.Text = this._currentTemplate.AgentPostalCode;
            this.textBox_AgentPostalCode.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            this.textBox_AgentStreetAndNumber.Text = this._currentTemplate.AgentStreetAndNumber;
            this.textBox_AgentStreetAndNumber.GetBindingExpression(TextBox.TextProperty).UpdateSource();

            this.buttonUndoTemplate.IsEnabled = true;
            this.buttonSetTemplate.IsEnabled = false;
            this.comboBox_AgentTemplate.SelectedItem = null;
            this.textBoxTemplateTitle.Text = "";
            this._currentTemplate = null;
        }

        private AGNT_Template createFromCurrentText(string title, AGNT_Template existingTemplate)
        {
            AGNT_Template at = new AGNT_Template();
            if (existingTemplate != null)
                at = existingTemplate;
            
            at.AgentTitle = title;
            at.AgentCity = this.textBox_AgentCity.Text;
            at.AgentCompanyName = this.textBox_AgentCompanyName.Text;
            at.AgentCountry = this.textBox_AgentCountry.Text;
            at.AgentEMail = this.textBox_AgentEMail.Text;
            at.AgentFax = this.textBox_AgentFax.Text;
            at.AgentFirstName = this.textBox_AgentFirstName.Text;
            at.AgentLastName = this.textBox_AgentLastName.Text;
            at.AgentPhone = this.textBox_AgentPhone.Text;
            at.AgentPostalCode = this.textBox_AgentPostalCode.Text;
            at.AgentStreetAndNumber = textBox_AgentStreetAndNumber.Text;

            return at;
        }

        #endregion

    }
}