/// Version 1.0.0
/// Last modified 24.5.2014
///
/// Copyright (C) 2014 Atte Söderlund
///
/// Halyri-system is a prototype emergency call system. Its purpose is to
/// demonstrate the use of the advanced capabilities available in the current
/// generation smartphones in facilitating the emergency service dispatcher's
/// capability to determine the nature of the emergency and to dispatch help.
///
/// For more information, see the README file of this package.
///
/// The MIT License (MIT)
///
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to
/// deal in the Software without restriction, including without limitation the
/// rights to use, copy, modify, merge, publish, distribute, sublicense,
/// and/or sell copies of the Software, and to permit persons to whom the
/// Software is furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
/// IN THE SOFTWARE.
///

using Hake_WPF.CallCenterReference;
using System;
using System.Windows.Data;

namespace Hake_WPF.Conversion
{
    /// <author>Atte Söderlund</author>
    /// <summary>
    /// The class converts the location to string.
    /// </summary>
    [ValueConversion(typeof(LocationInformationDto), typeof(String))]
    class LocationConverter : IValueConverter
    {
        /// <summary>
        /// The function casts value to LocationInformation type and then turns it to a string with 4 decimals.
        /// </summary>
        /// <param name="value">The LocationInformationDto to be converted to string.</param>
        /// <param name="targetType">Not in use. Specifies target type.</param>
        /// <param name="parameter">Not in use. Converting parameters.</param>
        /// <param name="culture">Not in use. Culture info to be used in the conversion.</param>
        /// <returns>The Location as string with 4 decimals on longitude and latitude.</returns>
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            try
            {
                return ((LocationInformationDto)value).Longitude.ToString("00.0000") + ", " + ((LocationInformationDto)value).Latitude.ToString("00.0000");
            }
            catch(Exception)
            { }
            return null;
        }

        /// Converts string back to Location.
        /// </summary>
        /// <param name="value">A string.</param>
        /// <param name="targetType">Not in use. Specifies target type.</param>
        /// <param name="parameter">Not in use. Converting parameters.</param>
        /// <param name="culture">Not in use. Culture info to be used in the conversion.</param>
        /// <returns>Returns the prority converted from the value.</returns>
        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            return null;
        }
    }
}