using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Data;
using System.Windows.Media;

using LangChain.Providers;

namespace WPFUI.Test
{
    internal class RoleToDisplayConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {

            if (value is MessageRole role)
            {
                switch (role)
                {
                    case MessageRole.System:
                        break;
                    case MessageRole.Human:
                        if (targetType == typeof(HorizontalAlignment))
                        {
                            return HorizontalAlignment.Right;

                        }
                        else if (targetType == typeof(Brush))
                        {
                            var UserMessgeBrush = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#785dc8"));
                            return UserMessgeBrush;
                        }
                        else if (targetType == typeof(Visibility))
                        {
                            return Visibility.Collapsed;
                        }
                            break;
                    case MessageRole.Ai:
                        if (targetType == typeof(HorizontalAlignment))
                        {
                            return HorizontalAlignment.Left;
                        }
                        else if (targetType == typeof(Brush))
                        {
                            var ModelMessageBrush = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#292E33"));
                            return ModelMessageBrush;
                        }
                        else if (targetType == typeof(Visibility))
                        {
                            return Visibility.Visible;
                        }
                        break;
                    case MessageRole.Chat:
                        break;
                    case MessageRole.ToolCall:
                        break;
                    case MessageRole.ToolResult:
                        break;
                    default:
                        break;
                }


            }
            return Binding.DoNothing;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}