using BeWo.Core;
using BeWo.ServiceProxy;
using BS.Shared.Extensions;
using DevExpress.Utils;
using DevExpress.XtraGrid.Views.Grid.ViewInfo;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using BeWo.ViewModel;
using BS.Shared;
using BS.Shared.DataContracts;
using BS.Shared.DataContracts.ClientPartials;
using DevExpress.Data;
using DevExpress.Mvvm.Native;
using DevExpress.Xpf.Grid;
using DevExpress.Xpf.Scheduler.UI;
using DevExpress.XtraExport.Xls;
using static BeWo.View.Detail.Report.FlexibleReportView;

namespace BeWo.View.Detail
{
    public partial class GoalImportControl
    {
        
        public event Action ButtonImportClicked;
        public event Action ButtonCancelClicked;
        //private SupportConceptGoalDC _TreeViewGoalItem;

       
        public GoalImportControl(ObservableCollection<SupportConceptGoalTreeItem> goalTree)
        {
            InitializeComponent();

            DataContext = this;

            GoalTree = goalTree;
        }

        public ObservableCollection<SupportConceptGoalTreeItem> GoalTree { get; set; }


        public IList<SupportConceptGoalTreeItem> GetSelectedGoals()
        {
            var list = new ObservableCollection<SupportConceptGoalTreeItem>();

            foreach (var item in GoalTree)
            {
                IterateThroughSelectedGoalsAndMassnahmen(item, list);
            }

            return list;
        }

        private void IterateThroughSelectedGoalsAndMassnahmen(SupportConceptGoalTreeItem item, ObservableCollection<SupportConceptGoalTreeItem> list)
        {
            if (item.IsChecked && item.Items.Count == 0)
            {
                list.Add(item);
            }

            foreach (var child in item.Items)
            {
                IterateThroughSelectedGoalsAndMassnahmen(child, list);
            }
        }

        private void ButtonImport_Click(object sender, RoutedEventArgs e)
        {
            ButtonImportClicked?.Invoke();
        }

        private void ButtonCancel_Click(object sender, RoutedEventArgs e)
        {
            ButtonCancelClicked?.Invoke();
        }

        private void button_checkAllGoals_Click(object sender, RoutedEventArgs e)
        {
            CheckAllGoalTreeItems(true);
        }

        private void button_uncheckAllGoals_Click(object sender, RoutedEventArgs e)
        {
            CheckAllGoalTreeItems(false);
        }

        private void button_aufklappenAllGoals_Click(object sender, RoutedEventArgs e)
        {
            SwitchAllGoalTreeItems(true);
        }

        private void button_zuklappenAllGoals_Click(object sender, RoutedEventArgs e)
        {
            SwitchAllGoalTreeItems(false);
        }

        private void SwitchAllGoalTreeItems(bool check)
        {
            Style stylee = new Style
            {
                TargetType = typeof(TreeViewItem)
            };

            stylee.Setters.Add(new Setter(TreeViewItem.IsExpandedProperty, check));
            TreeView.ItemContainerStyle = stylee;
        }

        private void CheckAllGoalTreeItems(bool check)
        {
            var allItems = TreeView.ItemsSource as ObservableCollection<SupportConceptGoalTreeItem>;

            var test = TreeView.ItemsSource;

            foreach (var item in TreeView.ItemsSource)
            {
                var goal = item as SupportConceptGoalTreeItem;
                if (goal != null)
                {
                    goal.IsChecked = check;
                }
            }
        }

    }
}