///
/// Copyright (c) 2019 Sensus Slovensko a.s.
///
using System;
using System.IO;
using log4net;

namespace RecordProcessing.Records
{
    public class FlowtubeTestHeRecord : IRecord
    {
        static readonly ILog log = LogManager.GetLogger(typeof(FlowtubeTestHeRecord));

        public string FileName { get { return fileName; } }
        public string SN { get { return sn; } set { } }
        public DateTime TimeStamp { get { return timeStamp; } }
        public Status Status { get { return status; } }
        public string ResultStr { get { return resultStr; } }
        public string Remark { get { return string.Empty; } }

        string fileName;
        string sn;
        DateTime timeStamp;
        Status status;
        string resultStr;

        public FlowtubeTestHeRecord()
        {
        }

        /// <summary>
        /// Load a record from Helium tester.
        /// </summary>
        /// <param name="fileName">Full file pathname</param>
        /// <returns>Record or null</returns>
        public static FlowtubeTestHeRecord FromFile(string fileName)
        {
            try
            {
                string bareFileName = System.IO.Path.GetFileName(fileName).Replace(".csv", "");
                using (TextReader reader = new StreamReader(fileName))
                {
                    FlowtubeTestHeRecord record = new FlowtubeTestHeRecord();

                    string line2 = null;
                    string line1 = reader.ReadLine();
                    if (line1 != null) line2 = reader.ReadLine();
                    if (line2 != null)
                    {
                        string[] fields = line2.Split(new char[] { ';' });
                        
                        if (fields.Length <= 4) return null;    /// Not enough fields in the file

                        record.fileName = bareFileName;
                        record.timeStamp = DateTime.Now;        /// TODO: Get it from file
                        record.sn = fields[3];
                        record.status = fields[4].ToLower().Equals("ok") ? Status.Passed : Status.Failed;
                        record.resultStr = (fields.Length > 17) ? string.Format("({0} {1})", fields[17], "mbar l/s") : string.Empty;
                        reader.Close();
                        return record;
                    }

                    return null;
                }
            }
            catch (Exception exc)
            {
                log.ErrorFormat("Cannot open file {0}: {1}", fileName, exc.Message);
                return null;
            }
        }

        public bool CanSaveRecordToOracle() { return false; }
        public bool SaveRecordToOracle(Oracle.DataAccess.Client.OracleConnection oraConn) { return false; }

        public bool CanPrintRecord() { return false; }
        public bool PrintRecord() { return false; }
    }
}