using Lskj.Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;

namespace Lskj.Business.Impl
{
    public sealed class LanguageTranslation
    {
        /// <summary>
        /// 翻译文本存放字典
        /// </summary>
        private static Dictionary<string, string> ContrastiveLanguage = new Dictionary<string, string>();
        /// <summary>
        /// 是否有可翻译的文本
        /// </summary>
        public static bool Translatable = false;



        /// <summary>
        /// 设置登录页面语言选项
        /// </summary>
        public static DataTable GetLoginLanguage(string Language)
        {
            try
            {
                //P_language_Login表，配置右键、提示信息、列名
                DataTable LoginBoxLanguageTable = null;
                if (BaseImpl.HasExistsTable("P_language_Login"))
                {
                    LoginBoxLanguageTable = BaseImpl.GetDataTableResult(string.Format("select [中文],[{0}]  from P_language_Login", Language));

                }
                //return DatabasePropertySheet.Rows.Count > 1 ? DatabasePropertySheet : null;
                return LoginBoxLanguageTable;

            }
            catch (Exception ex)
            {
                return null;
            }
        }


        /// <summary>
        /// 设置登录页面语言选项
        /// </summary>
        public static DataTable GetAllLanguage()
        {
            try
            {
                DataTable DatabasePropertySheet = null;
                //P_language表，配置右键、提示信息、列名
                if (BaseImpl.HasExistsTable("P_language"))
                {
                    DatabasePropertySheet = BaseImpl.GetDataTableResult(string.Format("select COLUMN_NAME  from information_schema.columns where table_name = 'P_language'"));

                }
                return DatabasePropertySheet!=null&&DatabasePropertySheet.Rows.Count > 1 ? DatabasePropertySheet : null;

            }
            catch (Exception ex)
            {
                return null;
            }
        }

        /// <summary>
        /// 获取选中语言的对照文本
        /// </summary>
        public static void GetLanguageComparisonTable()
        {
            if (!string.IsNullOrWhiteSpace(ERPInfo.Instance.LanguageName))
            {
                string sql = string.Format("update P_EmployeeTab set useLanguage=N'{0}' where EmployeeId='{1}'", ERPInfo.Instance.LanguageName, ERPInfo.Instance.UserId);
                BaseImpl.ExecSqlValue(sql);

                if (ERPInfo.Instance.LanguageName.Equals("中文")) return;

                DataTable languageTable = BaseImpl.GetDataTableResult(string.Format("select [中文],[{0}] from P_language", ERPInfo.Instance.LanguageName));
                foreach (DataRow item in languageTable.Rows)
                {
                    if (!ContrastiveLanguage.ContainsKey(item["中文"] + ""))
                    {
                        ContrastiveLanguage.Add(item["中文"] + "", item[ERPInfo.Instance.LanguageName] + "");
                    }
                }
                if (ContrastiveLanguage.Count > 0) Translatable = true;

                //DataTable FixedButtonsTable = BaseImpl.GetDataTableResult(string.Format("select [中文],[{0}] from P_FixedButtonsLanguage", ERPInfo.Instance.LanguageName));
                //foreach (DataRow item in FixedButtonsTable.Rows)
                //{
                //    if (!ContrastiveLanguage.ContainsKey(item["中文"] + ""))
                //    {
                //        ContrastiveLanguage.Add(item["中文"] + "", item[ERPInfo.Instance.LanguageName] + "");
                //    }
                //}

            }
        }





        /// <summary>
        /// 传入文本，获取对应语言的翻译文本
        /// </summary>
        /// <param name="text"></param>
        /// <returns></returns>
        public static string GetTranslatedText(string text)
        {
            string value = text;
            if (ContrastiveLanguage.ContainsKey(text))
            {
                value = ContrastiveLanguage[text];
            }

            return value;
        }

        /// <summary>
        /// 传入文本，获取对应语言的翻译文本(程序中固定的按钮，右键等)
        /// </summary>
        /// <param name="text"></param>
        /// <returns></returns>
        //public static string GetFixedTranslatedText(string text)
        //{
        //    string value = text;
        //    if (ContrastiveLanguage.ContainsKey(text))
        //    {
        //        value = ContrastiveLanguage[text];
        //    }

        //    return value;
        //}


        /// <summary>
        /// 传入表格，翻译对应列的信息（模块信息）
        /// </summary>
        /// <returns></returns>
        public static DataTable InitialTableTranslation(DataTable dataTable)
        {

            foreach (DataRow item in dataTable.Rows)
            {
                item["MenuCaption"] = GetTranslatedText(item["MenuCaption"] + "");
                item["SubSysName"] = GetTranslatedText(item["SubSysName"] + "");
                item["SearchMenuCaption"] = GetTranslatedText(item["MenuCaption"] + "-" + item["SubSysName"]);
            }
            return dataTable;
        }


        /// <summary>
        /// 传入表格，翻译指定列信息
        /// </summary>
        /// <param name="dataTable">表格数据</param>
        /// <param name="ccolumnName">需要翻译的列</param>
        /// <returns></returns>
        public static DataTable TranslationTableColumn(DataTable dataTable, string ccolumnName)
        {
            if (dataTable != null && dataTable.Columns.Contains(ccolumnName))
            {
                foreach (DataRow item in dataTable.Rows)
                {
                    item[ccolumnName] = GetTranslatedText(item[ccolumnName] + "");
                }

            }

            return dataTable;
        }






    }
}