using System.Windows;
using HandyControl.Tools;

namespace SparkClient.Model.Helper;

/// <summary>
/// 多语言工具类
/// </summary>
public class MultilingualHelper
{
    /// <summary>
    /// 获取多语言字符
    /// </summary>
    /// <param name="key">KEY</param>
    /// <returns>文字</returns>
    /// <exception cref="NullReferenceException"></exception>
    public static string getString(string key)
    {
        var result = Application.Current.TryFindResource(key);
        if (result == null)
        {
            throw new NullReferenceException(key + " is not a valid key");
        }
        return (string)result;
    }

    /// <summary>
    /// 设置语言
    /// </summary>
    /// <param name="language"></param>
    public static void setLanguage(string language)
    {
        LoadResources(language);
        ConfigHelper.Instance.SetLang(language);
    }
    
    /// <summary>
    /// 加载语言配置
    /// </summary>
    /// <param name="resourceKey"></param>
    private static void LoadResources(string resourceKey)
    {
        // 获取当前应用程序的App实例
        var app = (App)Application.Current;

        // 根据传入的resourceKey获取对应的资源字典
        var resourceDictionary = app.Resources[resourceKey] as ResourceDictionary;

        if (resourceDictionary!= null)
        {
            // 获取资源字典的源文件路径（即资源文件的位置）
            string requestedCulture = resourceDictionary.Source.OriginalString;

            // 在已合并的资源字典中查找对应的资源字典
            var mergedDictionary = Application.Current.Resources.MergedDictionaries.FirstOrDefault(d => d.Source.OriginalString.Equals(requestedCulture));

            if (mergedDictionary!= null)
            {
                // 先移除当前对应的资源字典
                Application.Current.Resources.MergedDictionaries.Remove(mergedDictionary);

                // 再添加回去，以更新资源
                Application.Current.Resources.MergedDictionaries.Add(mergedDictionary);
            }
            else
            {
                // 如果未找到对应的资源字典，给出提示信息
                MessageBox.Show($"We could not find the {resourceKey} resource, check the multi-language configuration");
            }
        }
        else
        {
            // 如果未找到对应的资源字典（根据传入的resourceKey），给出提示信息
            MessageBox.Show($"We could not find the {resourceKey} resource, check the multi-language configuration");
        }

   
    }
    
}