using log4net;
using log4net.Config;
using log4net.Repository;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using System;
using System.Data;
using System.IO;

namespace HL_FristAidPlatform_Help
{
    public class Help
    {
        private static ILoggerRepository repository { get; set; }
        private static ILog _log;
        public static ILog log
        {
            get
            {
                if (_log == null)
                {
                    Configure();
                }
                return _log;
            }
        }
        public static void Configure(string repositoryName = "NETCoreRepository", string configFile = "log4net.config")
        {
            repository = LogManager.CreateRepository(repositoryName);
            XmlConfigurator.Configure(repository, new FileInfo(configFile));
            _log = LogManager.GetLogger(repositoryName, "RollingLogFileAppender");
        }
        /// <summary>
        /// 信息
        /// </summary>
        /// <param name="msg"></param>
        public static void Info(string msg)
        {
            log.Info(msg);
        }
        /// <summary>
        /// 警告
        /// </summary>
        /// <param name="msg"></param>
        public static void Warn(string msg)
        {
            log.Warn(msg);
        }
        /// <summary>
        /// 错误
        /// </summary>
        /// <param name="msg"></param>
        /// <param name="exception"></param>
        public static void Error(string msg, Exception exception = null)
        {
            log.Error(msg, exception);
        }
        /// <summary>
        /// 调试
        /// </summary>
        /// <param name="msg"></param>
        public static void Debug(string msg)
        {
            log.Debug(msg);
        }
        /// <summary>
        /// 严重
        /// </summary>
        /// <param name="msg"></param>
        public static void Fatal(string msg)
        {
            log.Fatal(msg);
        }
        /// <summary>
        /// DataTable转换成Json字符
        /// </summary>
        /// <param name="dataTable">数据表</param>
        /// <returns></returns>
        public static string DataTableToJsonStr(DataTable dataTable)
        {
            string JsonStr = string.Empty;
            if (dataTable.Rows.Count > 0)
            {
                IsoDateTimeConverter timeConverter = new IsoDateTimeConverter { DateTimeFormat = "yyyy-MM-dd HH:mm:ss" };
                foreach (DataRow item in dataTable.Rows)
                {
                    string row = "";
                    for (int i = 0; i < dataTable.Columns.Count; i++)
                    {
                        row += JsonConvert.SerializeObject(dataTable.Columns[i].ColumnName) + ":";
                        //row += JsonConvert.SerializeObject(item[i]) + ",";
                        row += JsonConvert.SerializeObject(item[i], Formatting.Indented, timeConverter) + ",";//时间字段格式化，去掉字符T
                    }
                    row = row.Remove(row.Length - 1);
                    JsonStr += "{" + row + "}" + ",";
                }
                JsonStr = JsonStr.Remove(JsonStr.Length - 1);
            }

            JsonStr = "[" + JsonStr + "]";
            return JsonStr;
        }

        /// <summary>
        /// DataSet转换成Json字符,只限标准的JSON数据
        /// 例如：Json＝{t1:[{name:'数据name',type:'数据type'}]} 
        /// 或 Json＝{t1:[{name:'数据name',type:'数据type'}],t2:[{id:'数据id',gx:'数据gx',val:'数据val'}]}
        /// </summary>
        /// <param name="dataSet">数据源</param>
        /// <returns></returns>
        public static string DataSetToJsonStr(DataSet dataSet)
        {
            string JsonStr = string.Empty;

            if (dataSet.Tables.Count > 0)
            {
                int i = 0;
                foreach (DataTable table in dataSet.Tables)
                {
                    if (table.Rows.Count > 0)
                    {
                        i++;
                        string tableName = "table" + i;
                        JsonStr += "\"" + tableName + "\"" + ":" + DataTableToJsonStr(table) + ",";
                    }
                }
            }
            if (JsonStr.Length > 0)
            {
                JsonStr = JsonStr.Remove(JsonStr.Length - 1);
                JsonStr = "{" + JsonStr + "}";
            }
            return JsonStr;
        }

        /// <summary>
        /// 记录错误日志
        /// 精确到每分钟
        /// </summary>
        /// <param name="file_name_prefix">文件名前缀</param>
        /// <param name="text">记录内容</param>
        public static void WriteErrorLog(string file_name_prefix = "", string text = "")
        {
            if (string.IsNullOrEmpty(file_name_prefix))
            {
                file_name_prefix = "Debug";
            }

            string path = AppDomain.CurrentDomain.BaseDirectory;
            path = Path.Combine(path, "logs\\");

            if (!Directory.Exists(path))
            {
                Directory.CreateDirectory(path);
            }
            string fileFullName = Path.Combine(path, string.Format("{0}{1}.txt", file_name_prefix, DateTime.Now.ToString("yyyyMMdd-HHmm")));

            using (StreamWriter output = File.AppendText(fileFullName))
            {
                output.WriteLine(text);

                output.Close();
            }
        }
    }
}