using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Xml.Linq;
using GCAS.Dto;

namespace GCAS.Localization
{
    internal static class LocalizationHelper
    {
        public static List<NameValue> GetSource(CultureInfo cultureInfo)
        {
            var xmlSoruce = Properties.Resources.Languages;
            XDocument xdoc = XDocument.Parse(xmlSoruce);
            var culture = xdoc.Root.Elements("Language").SingleOrDefault(c => c.Attribute("culture").Value == cultureInfo.Name);
            if (culture != null)
            {
                var texts = culture.Element("texts")
                    .Elements("text")
                    .Select(c => new NameValue
                    {
                        Name = c.Attribute("name").Value,
                        Value = c.Value
                    }).ToList();
                return texts;
            }
            else
            {
                throw new Exception("未找到资源名为: " + cultureInfo.Name + " 的资源包！");
            }
        }
        public static string GetString(this List<NameValue> source, string name)
        {
            if (source != null && source.Any())
            {
                var value = source.SingleOrDefault(c => c.Name.ToLower() == name.ToLower());
                if (value == null)
                {
                    return name;
                }
                else
                {
                    return value.Value;
                }
            }
            throw new Exception("资源文件为空！");
        }
    }
}