using System;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Windows;
using MuchInfo.Chart.Data.EnumTypes;
using MuchInfo.Chart.DataAdapter;

namespace MuchInfo.Chart.WPF.Helpers
{
    public class LanguageManager
    {
        #region Methods

        #region Public Static Methods

        /// <summary>
        /// 查找资料
        /// </summary>
        /// <param name="key">The key.</param>
        /// <returns>System.String.</returns>
        public static string FindResource(string key)
        {
            try
            {
                var findResource = Application.Current.FindResource(key);
                if (findResource == null) return string.Empty;
                return findResource.ToString();
            }
            catch
            {
                return string.Empty;
            }
        }

        /// <summary>
        /// 设置图表语言
        /// </summary>
        /// <param name="cultureString">The culture string.</param>
        /// <exception cref="System.Exception">cannot find resource.  + ex.ToString()</exception>
        public static void SetLanguage(string cultureString)
        {
            try
            {
                var dictionaryList = Application.Current.Resources.MergedDictionaries.ToList();
                //先删除languages文件夹下加载了的资源
                var languageDic = dictionaryList.Where(z => z.Source != null && z.Source.OriginalString.StartsWith(LanguageConst.ResourceStart)).ToList();
                if (languageDic.Any())
                {
                    foreach (var dictionary in languageDic)
                    {
                        Application.Current.Resources.MergedDictionaries.Remove(dictionary);
                    }
                }
                //添加新资源
                var resourceDictionary = new ResourceDictionary
                {
                    Source = new Uri(LanguageConst.ResourceStart + cultureString + ".xaml", UriKind.Relative)
                };

                Application.Current.Resources.MergedDictionaries.Add(resourceDictionary);

                //更改整个环境语言
                var culture = new CultureInfo(cultureString);
                Thread.CurrentThread.CurrentCulture = culture;
                Thread.CurrentThread.CurrentUICulture = culture;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.ToString());
            }
        }


        /// <summary>
        /// 设置编辑器的语言
        /// </summary>
        /// <param name="languageType"></param>
        public static void SetEditorLanguage(ChartLanguageType languageType)
        {
            var service = new DataService();
            service.SetEditorLanguage(languageType);
        }

        #endregion Public Static Methods

        #endregion Methods
    }
}