// Quickly switch to a different culture to perform work without
// switching the entire thread

// Usage:
// Console.WriteLine("Starts in English : {0}", DateTime.Now);
//
// Culture.As(Culture.Type.German, () => {
//     Console.WriteLine("Now in German : {0}", DateTime.Now);
// });
//
// Console.WriteLine("English again : {0}", DateTime.Now);


/// <summary>
/// Handles working in different cultures for periods of times
/// </summary>
public class Culture {

    /// <summary>
    /// Types of cultures to use
    /// </summary>
    public enum Type {
        English,
        German,
        Spanish
    }

    /// <summary>
    /// Performs work in a different culture
    /// </summary>
    public static void As(Culture.Type type, Action work) {
        string culture = Culture._GetCultureString(type);
        Culture.As(culture, work);
    }

    /// <summary>
    /// Performs work in a different culture
    /// </summary>
    public static void As(string culture, Action work) {
        culture = (culture ?? string.Empty).Trim();

        //get the existing cultures to revert
        var original = new {
            culture = Thread.CurrentThread.CurrentCulture,
            uiCulture = Thread.CurrentThread.CurrentUICulture
        };

        //create the new cultures to use
        CultureInfo temporary = new CultureInfo(culture);
        Thread.CurrentThread.CurrentCulture = temporary;
        Thread.CurrentThread.CurrentUICulture = temporary;

        //perform the work
        try { work(); }
        //and make sure to revert the culture
        finally {
            Thread.CurrentThread.CurrentCulture = original.culture;
            Thread.CurrentThread.CurrentCulture = original.uiCulture;
        }

    }

    //grabs the culture string from a type
    private static string _GetCultureString(Culture.Type type) {
        switch (type) {
            case Type.German: return "de-DE";
            case Type.Spanish: return "es-ES";
            //add more cultures as needed
            default: return "en-EN";
        }
    }

}