#region

using System;
using System.Data;
using System.IO;
using System.Reflection;
using System.Windows.Forms;
using CSFrameworkV5.Common;
using CSFrameworkV5.Core;

#endregion

namespace CSFrameworkV5.Language
{
    /// <summary>
    ///     XML语言包
    /// </summary>
    public class LanXML : ILanguage
    {
        private static Assembly _LanguageAssembly;

        private static DataTable _LanCHT;

        private static DataTable _LanCHS;
        private static DataTable _LanENG;

        public LanXML()
        {
            Load();
        }

        public static DataTable LanCHS => _LanCHS;

        public static DataTable LanCHT => _LanCHT;

        public static DataTable LanENG => _LanENG;

        /// <summary>
        ///     获取语言内容
        /// </summary>
        /// <param name="objectID"></param>
        /// <param name="defaultValue"></param>
        /// <returns></returns>
        public string Get(string objectID, string defaultValue,
            LanguageDataType dataType)
        {
            return Get(LanLib.Current, objectID, defaultValue, dataType);
        }

        public string Get(string userMsg)
        {
            return Get(LanLib.Current, userMsg, userMsg,
                LanguageDataType.Control);
        }

        /// <summary>
        ///     获取语言
        /// </summary>
        /// <param name="type"></param>
        /// <param name="objectID"></param>
        /// <param name="defaultValue"></param>
        /// <returns></returns>
        public string Get(LanguageType type, string objectID,
            string defaultValue, LanguageDataType dataType)
        {
            if (objectID == null || objectID == string.Empty)
                return defaultValue;

            var lan = _LanCHS;
            if (LanguageType.CHT == type)
                lan = _LanCHT;
            else if (LanguageType.ENG == type) lan = _LanENG;

            var rs = lan.Select("ObjectID='" + objectID + "'");

            if (rs != null && rs.Length > 0)
                return rs[0]["Content"].ToStringEx();

            return defaultValue;
        }

        /// <summary>
        ///     模糊匹配语言标识
        /// </summary>
        /// <param name="objectID">语言标识</param>
        /// <param name="defaultValue">默认值</param>
        /// <returns></returns>
        public string GetByMatch(string objectID, string defaultValue,
            LanguageDataType dataType)
        {
            if (objectID == null || objectID == string.Empty)
                return defaultValue;

            var lan = _LanCHS;
            if (LanguageType.CHT == LanLib.Current)
                lan = _LanCHT;
            else if (LanguageType.ENG == LanLib.Current) lan = _LanENG;

            var rs = lan.Select("ObjectID LIKE '%" + objectID + "%'",
                " ObjectID ASC");
            if (rs != null && rs.Length > 0)
                return rs[0]["Content"].ToStringEx();

            return defaultValue;
        }

        /// <summary>
        ///     加载语言库
        /// </summary>
        /// <param name="appPath"></param>
        public void Load()
        {
            //XML文件目录
            var appPath = Path.GetDirectoryName(Application.ExecutablePath);

            try
            {
                //加载一次
                if (_LanguageAssembly != null) return;

                var asmFileName =
                    Path.GetFileName(Assembly.GetExecutingAssembly().Location);
                var asmPath = Path.Combine(appPath, asmFileName);

                if (!File.Exists(asmPath)) return;

                _LanguageAssembly = Assembly.LoadFrom(asmPath);

                var asm = _LanguageAssembly;

                var xsd =
                    CodeSafeHelper.GetSafePath(
                        Path.Combine(Application.StartupPath, "lan.xsd"));

                //加载简体语言
                _LanCHS = SafeXMLReader.LoadFromAssembly(asm,
                    "CSFrameworkV5.Language.LanCHS.xml", xsd);
                //加载繁体语言
                _LanCHT = SafeXMLReader.LoadFromAssembly(asm,
                    "CSFrameworkV5.Language.LanCHT.xml", xsd);
                //加载英语语言
                _LanENG = SafeXMLReader.LoadFromAssembly(asm,
                    "CSFrameworkV5.Language.LanENG.xml", xsd);
            }
            catch (Exception ex)
            {
                throw new Exception("加载语言失败！\r\n" + ex.Message);
            }
        }
    }
}