using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace XYLEM.Base
{
    public static class LogMessageTool
    {
        /// <summary>
        /// Return Type Name as a string
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="obj"></param>
        /// <returns></returns>
        static public string TypeName<T>(this T obj)
        {
            Type t;
            if (obj == null)
            {
                t = typeof(T);
            }
            else
            {
                t = obj.GetType();
            }
            return t.Name;
        }

        public static string ToMessageText(this Exception ex)
        {
            if (ex != null)
            {
                var message = "";
                var innerMessage = "";
                if (ex.InnerException != null)
                {
                    innerMessage = ToMessageText(ex.InnerException);
                }
                if ((ex.Message != null) && !String.IsNullOrEmpty(ex.Message))
                {
                    message = ex.Message;
                }
                if (!String.IsNullOrEmpty(innerMessage))
                {
                    message += (!String.IsNullOrEmpty(message) ? Environment.NewLine : "") + innerMessage;
                }
                return message;
            }
            return "";
        }

        public static string ToFuncText(bool isError, string className, string functionName)
        {
            var message = (isError ? "Error in class" : "Class ") + className + " and func. " + functionName;
#if(DEBUG)
            System.Diagnostics.Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff ") + message);
#endif
            return message;
        }

        public static string ToInitText(bool isError, string className)
        {
            var message = (isError ? "Error in init of " : "Init of ") + className;
#if(DEBUG)
            System.Diagnostics.Debug.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff ") + message);
#endif
            return message;
        }

        public static string ToInitText(bool isError, string className, string dataInfo)
        {
            return ToInitText(isError, className + " info = " + dataInfo);
        }

        public static string ToFuncErrorText(this Exception ex, string className, string functionName)
        {
            return ToFuncText(true, className, functionName + ((ex == null) ? "" : Environment.NewLine + "Message = " + ex.ToMessageText()));
        }

        public static string ToFuncErrorText(this Exception ex, string className, string functionName, string dataInfo)
        {
            return ToFuncText(true, className, functionName + Environment.NewLine + dataInfo + ((ex == null) ? "" : Environment.NewLine + "Message = " + ex.ToMessageText()));
        }

        public static string ToFuncErrorText(string className, string functionName, string dataInfo)
        {
            return ToFuncText(true, className, functionName + Environment.NewLine + dataInfo);
        }

        public static string ToFuncErrorText(string className, string functionName)
        {
            return ToFuncText(true, className, functionName);
        }

        public static string ToInitErrorText(this Exception ex, string className)
        {
            return ToInitText(true, className + ((ex == null) ? "" : Environment.NewLine + "Message = " + ex.ToMessageText()));
        }
    }
}