using InABox.Core;
using InABox.DynamicGrid;
using InABox.WPF;
using PRS.Shared.Events;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace PRS.Shared.Grids.EventEditor;

public interface IEventTriggerEditor
{
    bool Edit(IEventTrigger trigger);
}

public interface IEventTriggerEditor<TTrigger> : IEventTriggerEditor
    where TTrigger : IEventTrigger
{
    bool Edit(TTrigger trigger);

    bool IEventTriggerEditor.Edit(IEventTrigger trigger) => Edit((TTrigger)trigger);
}

public static class EventTriggerEditors
{
    private static Dictionary<Type, Type>? _triggerEditors;
    private static Dictionary<Type, Type> GetTriggerEditors()
    {
        if(_triggerEditors is null)
        {
            _triggerEditors = new Dictionary<Type, Type>();
            foreach(var type in CoreUtils.TypeList(x => true))
            {
                if (type.GetInterfaceDefinition(typeof(IEventTriggerEditor<>)) is Type editorInterface)
                {
                    var triggerType = editorInterface.GenericTypeArguments[0];
                    triggerType = triggerType.IsGenericType ? triggerType.GetGenericTypeDefinition() : triggerType;
                    _triggerEditors[triggerType] = type;
                }
            }
        }
        return _triggerEditors;
    }

    public static Type? GetTriggerEditorType(Type triggerType)
    {
        var genericTriggerType = triggerType.IsGenericType ? triggerType.GetGenericTypeDefinition() : triggerType;
        if(GetTriggerEditors().GetValueOrDefault(genericTriggerType) is Type editorType)
        {
            return editorType.IsGenericType ? editorType.MakeGenericType(triggerType.GenericTypeArguments) : editorType;
        }
        else
        {
            return null;
        }
    }

    public static bool EditTrigger<TEvent, TDataModel>(IEventTrigger<TEvent, TDataModel> trigger)
        where TEvent : IEvent<TDataModel>
        where TDataModel : IEventDataModel
    {
        var editorType = GetTriggerEditorType(trigger.GetType());
        if (editorType is null) return false;

        var editor = (Activator.CreateInstance(editorType) as IEventTriggerEditor)!;
        return editor.Edit(trigger);
    }
}

public class PropertyChangedSaveEventTriggerEditor<T> : Grid, IEventTriggerEditor<PropertyChangedSaveEventTrigger<T>>
    where T : Entity
{
    public bool Edit(PropertyChangedSaveEventTrigger<T> trigger)
    {
        var properties = DatabaseSchema.Properties(typeof(T))
            .Where(x => x.IsSerializable)
            .Select(x => x.Name)
            .ToList();
        properties.Sort();
        if(DynamicGridColumnNameSelectorGrid.SelectColumnName(typeof(T), properties, out var value))
        {
            trigger.TriggerProperty = DatabaseSchema.Property(typeof(T), value);
            return true;
        }
        else
        {
            return false;
        }
    }
}
// public class PropertyChangedSaveEventTriggerEditor<T> : Grid, IEventTriggerEditor<PropertyChangedSaveEventTrigger<T>>
//     where T : Entity
// {
//     public PropertyChangedSaveEventTrigger<T> EventTrigger { get; set; }
// 
//     private readonly string[] ColumnNames;
// 
//     private Button PropertyButton;
// 
//     public PropertyChangedSaveEventTriggerEditor(PropertyChangedSaveEventTrigger<T> eventTrigger)
//     {
//         EventTrigger = eventTrigger;
// 
//         this.AddColumn(GridUnitType.Auto);
//         this.AddColumn(GridUnitType.Auto);
//         this.AddColumn(GridUnitType.Auto);
//         this.AddColumn(GridUnitType.Star);
//         this.AddColumn(GridUnitType.Auto);
//         this.AddColumn(GridUnitType.Star);
//         this.AddRow(GridUnitType.Auto);
// 
//         this.AddChild(new Label
//         {
//             Content = "Property:",
//             VerticalAlignment = VerticalAlignment.Center,
//         }, 0, 0);
// 
//         PropertyButton = new Button
//         {
//             Content = eventTrigger.TriggerProperty?.Name ?? "",
//             Padding = new(5),
//             Margin = new(5, 0, 0, 0),
//             HorizontalContentAlignment = HorizontalAlignment.Left,
//             Background = new LinearGradientBrush(new GradientStopCollection()
//             {
//                 new(Color.FromRgb(0xF0, 0xF0, 0xF0), 0.0),
//                 new(Color.FromRgb(0xE5, 0xE5, 0xE5), 1.0),
//             })
//             {
//                 StartPoint = new(0, 0),
//                 EndPoint = new(0, 1),
//             },
//             BorderBrush = Color.FromRgb(0xAC, 0xAC, 0xAC).ToBrush(),
//             MinWidth = 100
//         };
//         PropertyButton.Click += PropertyButton_Click;
// 
//         var properties = DatabaseSchema.Properties(typeof(T))
//             .Where(x => x.IsSerializable)
//             .Select(x => x.Name)
//             .ToList();
//         properties.Sort();
//         ColumnNames = properties.ToArray();
//         this.AddChild(PropertyButton, 0, 1);
// 
//         this.AddChild(new Label
//         {
//             Content = "Old Value:",
//             Margin = new(5, 0, 0, 0),
//             VerticalAlignment = VerticalAlignment.Center,
//         }, 0, 2);
// 
//         this.AddChild(new Label
//         {
//             Content = "New Value:",
//             Margin = new(5, 0, 0, 0),
//             VerticalAlignment = VerticalAlignment.Center,
//         }, 0, 4);
//     }
// 
//     private void PropertyButton_Click(object sender, RoutedEventArgs e)
//     {
//         if(DynamicGridColumnNameSelectorGrid.SelectColumnName(typeof(T), ColumnNames, out var value))
//         {
//             EventTrigger.TriggerProperty = DatabaseSchema.Property(typeof(T), value);
//             PropertyButton.Content = value;
//         }
//     }
// }