bykovme/nswallet

using System;
using Foundation;
using System.Threading;
using NSWallet.Shared.Helpers.Logs.AppLog;

[assembly: Xamarin.Forms.Dependency(typeof(NSWallet.Mac.Localize))]

namespace NSWallet.Mac
{
    public class Localize : ILocalize
    {
        public void SetLocale()
        {
            var iosLocaleAuto = NSLocale.AutoUpdatingCurrentLocale.LocaleIdentifier;
            var netLocale = iosLocaleAuto.Replace("_", "-");
            System.Globalization.CultureInfo ci;
            try {
                ci = new System.Globalization.CultureInfo(netLocale);
            } catch(Exception ex) {
                ci = GetCurrentCultureInfo();
                log(ex.Message, nameof(SetLocale));
            }
            Thread.CurrentThread.CurrentCulture = ci;
            Thread.CurrentThread.CurrentUICulture = ci;

            Console.WriteLine("SetLocale: " + ci.Name);
        }

        public System.Globalization.CultureInfo GetCurrentCultureInfo()
        {
            var netLanguage = "en";
            var prefLanguageOnly = "en";
            if (NSLocale.PreferredLanguages.Length > 0) {
                var pref = NSLocale.PreferredLanguages[0];
                prefLanguageOnly = pref.Substring(0, 2);
                if (prefLanguageOnly == "pt") {
                    if (pref == "pt")
                        pref = "pt-BR"; // get the correct Brazilian language strings from the PCL RESX (note the local iOS folder is still "pt")
                    else
                        pref = "pt-PT"; // Portugal
                }
                netLanguage = pref.Replace("_", "-");
                Console.WriteLine("preferred language:" + netLanguage);
            }
            System.Globalization.CultureInfo ci = null;
            try {
                ci = new System.Globalization.CultureInfo(netLanguage);
            } catch(Exception ex) {
                log(ex.Message, nameof(GetCurrentCultureInfo));
                // iOS locale not valid .NET culture (eg. "en-ES" : English in Spain)
                // fallback to first characters, in this case "en"
                ci = new System.Globalization.CultureInfo(prefLanguageOnly);
            }
            return ci;
        }

        void log(string message, string method = null)
        {
            AppLogs.Log(message, method, nameof(Localize));
        }
    }
}