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.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using BS.Shared.DataContracts.ClientPartials;
using BS.Shared.Translation;
using DevExpress.Data.Helpers;
using DevExpress.Xpf.Editors.Settings;

namespace BeWo.View.Controls
{
    /// <summary>
    /// Interaktionslogik für TestEMailControl.xaml
    /// </summary>
    public partial class GoalRatingControl : UserControl
    {
        private List<SupportConceptGoalDC> _Goals;

        public event Action CancelButtonClicked;
        public event Action ActionButtonClicked;

        private List<GoalRating> _Ratings;
        
        public GoalRatingControl()
        {
            InitializeComponent();
            InitRatings();
            ColumnRating.EditSettings = new ComboBoxEditSettings { ItemsSource = _Ratings, IsTextEditable = false };
            IsDirty = false;
        }

        private void InitRatings()
        {
            _Ratings = new List<GoalRating>();
            _Ratings.Add(new GoalRating { RatingValue = -1, RatingName = "Keine Bewertung"});
            _Ratings.Add(new GoalRating { RatingValue = 0, RatingName = "xxx.0 - Problem nicht vorhanden (ohne, kein, unerheblich ...) 0 bis 4 %" });
            _Ratings.Add(new GoalRating { RatingValue = 1, RatingName = "xxx.1 - Problem leicht ausgeprägt (schwach, gering ...) 5 bis 24 %" });
            _Ratings.Add(new GoalRating { RatingValue = 2, RatingName = "xxx.2 - Problem mäßig ausgeprägt (mittel, ziemlich ...) 25 bis 49 %" });
            _Ratings.Add(new GoalRating { RatingValue = 3, RatingName = "xxx.3 - Problem erheblich ausgeprägt (hoch, äußerst ...) 50 bis 95 %" });
            _Ratings.Add(new GoalRating { RatingValue = 4, RatingName = "xxx.4 - Problem voll ausgeprägt (komplett, total ...) 96 bis 100 %" });
            _Ratings.Add(new GoalRating { RatingValue = 8, RatingName = "xxx.8 - Nicht spezifiziert" });
            _Ratings.Add(new GoalRating { RatingValue = 9, RatingName = "xxx.9 - Nicht anwendbar" });
        }

        public List<SupportConceptGoalDC> Goals
        {
            get { return _Goals;}
            set
            {
                _Goals = value;
                CreateList();
            }
        }

        private void CreateList()
        {
            List<GoalRatingEntry> entries = new List<GoalRatingEntry>();
            foreach (var goal in Goals)
            {
                GoalRatingEntry entry = new GoalRatingEntry();
                entry.Goal = goal;
                entry.Name = goal.DetailDescription;
                if (goal.HasRating)
                {
                    entry.GoalRating = _Ratings.FirstOrDefault(r => r.RatingValue == goal.GoalEntryDC.Rating.Value);
                }

                entries.Add(entry);
            }

            Entries = entries;
        }

        private void CancelButton_OnClick(object sender, RoutedEventArgs e)
        {
            if (IsDirty)
            {
                if (MessageBox.Show(
                        Translator.Translate("Möchten Sie wirklich abbrechen und die Änderungen verwerfen?"),
                        "BeWoPlaner", MessageBoxButton.OKCancel, MessageBoxImage.Question) == MessageBoxResult.Cancel)
                {
                    return;
                }
            }
            CancelButtonClicked?.Invoke();
        }

        private void ActionButton_OnClick(object sender, RoutedEventArgs e)
        {
            Save();
            ActionButtonClicked?.Invoke();
        }
        
        private void TableView_CellValueChanged(object sender, DevExpress.Xpf.Grid.CellValueChangedEventArgs e)
        {
            IsDirty = true;
        }

        
        public bool IsDirty { get; set; }
        

        public List<GoalRatingEntry> Entries
        {
            get { return DatagridRegions.ItemsSource as List<GoalRatingEntry>; }
            set
            {
                DatagridRegions.ItemsSource = value;
            }
        }
        
        public void Save()
        {
            foreach (var e in Entries)
            {
                if (e.GoalRating != null)
                {
                    e.Goal.SetRating(e.GoalRating.RatingValue);
                }
                else
                {
                    e.Goal.SetRating(null);
                }
            }
        }
        
    }

    public class GoalRatingEntry
    {
        public SupportConceptGoalDC Goal { get; set; }
        public String Name { get; set; }
        public GoalRating GoalRating { get; set; }
    }

    public class GoalRating
    {
        public int RatingValue { get; set; }
        public String RatingName { get; set; }

        public override string ToString()
        {
            return RatingName;
        }

        public override bool Equals(object obj)
        {
            var gr = obj as GoalRating;

            if (gr != null)
            {
                return this.RatingName.Equals(((GoalRating) obj).RatingName);
            }

            return false;
        }

        public override int GetHashCode()
        {
            return RatingName.GetHashCode();
        }
    }
}