using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using InABox.Mobile;
using Xamarin.Forms;

namespace PRS.Mobile
{

    public class TransactionColorConverter : BindableObject, IMultiValueConverter
    {
        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
        {
            var result = Color.Transparent;
            if (values?.Length == 2 && values.First() is StockTransaction transaction && values.Last() is Guid guid)
            {
                result = guid == (transaction?.Source?.LocationID ?? Guid.Empty)
                    ? Color.Orange
                    : Color.LightGreen;
            }
            return result;

        }

        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
    public class TransactionDisplayConverter : BindableObject, IMultiValueConverter
    {
        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
        {
            if (values?.Length == 2 && values.First() is StockTransaction transaction && values.Last() is Guid guid)
            {
                StockTransactionView view = guid == (transaction?.Source?.LocationID ?? Guid.Empty)
                    ? StockTransactionView.Source
                    : StockTransactionView.Target;
                return transaction?.Display(view) ?? string.Empty;
            }
            return "";
        }

        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
    
    // public class StockTransactionConverter : AbstractConverter<StockTransaction, string>
    // {
    //     
    //     public StockTransactionView View { get; set; }
    //     
    //     public StockTransactionProperty Property { get; set; }
    //     
    //     protected override string? Convert(StockTransaction? value, object? parameter = null)
    //     {
    //         if (value == null)
    //             return "";
    //         
    //         switch (Property)
    //         {
    //             case StockTransactionProperty.Style when value.Source.StyleID != value.Target.StyleID:
    //                 return View == StockTransactionView.Source 
    //                     ? value.Source.StyleCode 
    //                     : value.Target.StyleCode;
    //             case StockTransactionProperty.Location when value.Source.LocationID != value.Target.LocationID:
    //                 return View == StockTransactionView.Source 
    //                     ? value.Source.LocationCode 
    //                     : value.Target.LocationCode;
    //             case StockTransactionProperty.Job when value.Source.JobID != value.Target.JobID:
    //                 return View == StockTransactionView.Source 
    //                     ? $"Job {value.Source.JobNumber}"
    //                     : $"Job {value.Target.JobNumber}";
    //             default:
    //                 return "";
    //         }
    //         
    //     }
    // }
}