using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using BeWo.Service.Plugins;
using BS.Shared.Translation;

namespace BeWo.Service.ServiceUtils
{
    public class ServiceTranslator : ITranslator
    {
        
        private IDictionary<String, String> dict;
        private CultureInfo currentCulture;

        public ServiceTranslator()
        {
            this.Refresh();
        }

        public void Refresh()
        {
            this.currentCulture = CultureInfo.CurrentUICulture;
            var translationDictionary = PluginLoader.FindClass<TranslationDictionary>();

            dict = translationDictionary?.GetTranslationDictionary();
        }
        

        

        public String Translate(String input)
        {
            if (input == null)
            {
                return null;
            }
            if (this.dict != null && this.dict.TryGetValue(input, out var translation))
            {
                return translation;
            }
            return input;
        }

        public String Translate(String input, params Object[] args)
        {
            String translation;
            if (this.dict.TryGetValue(input, out translation))
            {
                return String.Format(this.currentCulture, translation, args);
            }
            return String.Format(this.currentCulture, input, args);
        }

        public String TranslateKey(String key, String defaultText)
        {
            if (key != null && this.dict != null && this.dict.TryGetValue(key, out var translation))
            {
                return translation;
            }
            
            return defaultText;
        }

        public String TranslateKey(String key, String defaultText, params Object[] args)
        {
            String translation;
            if (!String.IsNullOrEmpty(key) && this.dict.TryGetValue(key, out translation))
            {
                return String.Format(this.currentCulture, translation, args);
            }
            return String.Format(this.currentCulture, defaultText, args);
        }
    }
}