///
/// Copyright (c) 2019 Sensus Slovensko a.s.
///
using System;
using System.Globalization;
using System.IO;
using System.Xml;
using log4net;
using Oracle.DataAccess.Client;

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

        public static string Path;

        public string FileName { get { return fileName; } }
        public string SN { get { return sn; } set { sn = value; } }
        public DateTime TimeStamp { get { return timeStamp; } }
        public Status Status { get { return status; } }
        public string ResultStr { get { return string.Format("({0} {1})", string.IsNullOrEmpty(Leakage_Value) ? "" : Leakage_Value, string.IsNullOrEmpty(Leakage_Unit) ? "" : Leakage_Unit); } }
        public string Remark { get { return string.IsNullOrEmpty(remark) ? string.Empty : remark; } }

        string fileName;
        string sn;
        DateTime timeStamp;
        Status status;
        string productName;
        string remark;

        public double TestTime;				/// [s]
        public string Leakage_Value;
        public string Leakage_LoLim;
        public string Leakage_HiLim;
        public string Leakage_Unit;
        public int ReferenceRecordsCount;


        public FlowtubeTestAirRecord()
        {
            sn = null;       /// Initially there is no PCB number
        }

        /// <summary>
        /// Load a record from an xml-file
        /// </summary>
        /// <param name="fileName">xml-filename</param>
        /// <returns>Record or null</returns>
        public static FlowtubeTestAirRecord FromFile(string fileName)
        {
            try
            {
                string bareFileName = System.IO.Path.GetFileName(fileName).Replace(".xml", "");
                using (Stream inputStream = File.OpenRead(fileName))
                {
                    return FromFile(inputStream, bareFileName);
                }
            }
            catch (Exception exc)
            {
                log.ErrorFormat("Cannot open file {0}: {1}", fileName, exc.Message);
                return null;
            }
        }

        /// <summary>
        /// Load a record from a file stream (XML file format)
        /// </summary>
        /// <param name="inputStream">Input stream</param>
        /// <param name="bareFileName">Filename for doc. purpose only</param>
        /// <returns>Record</returns>
        public static FlowtubeTestAirRecord FromFile(Stream inputStream, string bareFileName)
        {
            FlowtubeTestAirRecord record = new FlowtubeTestAirRecord();

            record.fileName = bareFileName;

            try
            {
                string[] fields = record.fileName.Split(new char[] { '_' });
                string dateTimeEtc = fields[fields.Length - 2];
                int yyyy = int.Parse(dateTimeEtc.Substring(0, 4));
                int mo = int.Parse(dateTimeEtc.Substring(4, 2));
                int dd = int.Parse(dateTimeEtc.Substring(6, 2));
                int hh = int.Parse(dateTimeEtc.Substring(8, 2));
                int mi = int.Parse(dateTimeEtc.Substring(10, 2));
                int ss = int.Parse(dateTimeEtc.Substring(12, 2));
                record.timeStamp = new DateTime(yyyy, mo, dd, hh, mi, ss);

                XmlDocument xDoc = new XmlDocument();
                xDoc.Load(inputStream);
                bool testResultFound = false;
                foreach (XmlNode node in xDoc.DocumentElement.ChildNodes)
                {
                    if (node.Name == "PRODUCT")
                    {
                        record.productName = node.Attributes["NAME"].Value;
                    }
                    else if (node.Name == "REFS")
                    {
                        record.remark = node.Attributes["SEQ_REF"].Value;
                    }
                    else if (node.Name == "PANEL")
                    {
                        foreach (XmlNode sNode in node.ChildNodes)
                        {
                            if (sNode.Name != "DUT") continue;

                            record.sn = sNode.Attributes["ID"].Value;

                            string statusStr = sNode.Attributes["STATUS"].Value;
                            if (statusStr.ToLower().Equals("passed"))
                            {
                                record.status = Status.Passed;
                            }
                            else if (statusStr.ToLower().Equals("failed"))
                            {
                                record.status = Status.Failed;
                            }
                            else
                            {
                                record.status = Status.Interrupted;
                            }

                            record.TestTime = double.Parse(sNode.Attributes["TESTTIME"].Value, NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign, CultureInfo.InvariantCulture);

                            if (testResultFound) continue;

                            ///
                            /// Search for RF_Power test result
                            ///
                            foreach (XmlNode ssNode in sNode.ChildNodes)
                            {
                                if (ssNode.Name != "GROUP") continue;
                                foreach (XmlNode sssNode in ssNode.ChildNodes)
                                {
                                    if (sssNode.Name != "GROUP" || !sssNode.HasChildNodes) continue;

                                    foreach (XmlNode ssssNode in sssNode.ChildNodes)
                                    {
                                        if (ssssNode.Name != "GROUP" || !ssssNode.HasChildNodes
                                             || !ssssNode.Attributes["NAME"].Value.Contains("Leakage")) continue;

                                        foreach (XmlNode terminalNode in ssssNode.ChildNodes)
                                        {
                                            if ((terminalNode.Name == "TEST") && (terminalNode.Attributes["NAME"].Value.Contains("Leakage")) &&
                                                !string.IsNullOrEmpty(terminalNode.Attributes["UNIT"].Value) &&
                                                !string.IsNullOrEmpty(terminalNode.Attributes["VALUE"].Value) &&
                                                !string.IsNullOrEmpty(terminalNode.Attributes["LOLIM"].Value) &&
                                                !string.IsNullOrEmpty(terminalNode.Attributes["HILIM"].Value) &&
                                                !string.IsNullOrEmpty(terminalNode.Attributes["STATUS"].Value))
                                            {
                                                record.Leakage_Unit  = terminalNode.Attributes["UNIT"].Value;
                                                record.Leakage_Value = terminalNode.Attributes["VALUE"].Value;
                                                record.Leakage_LoLim = terminalNode.Attributes["LOLIM"].Value;
                                                record.Leakage_HiLim = terminalNode.Attributes["HILIM"].Value;
                                                testResultFound = true;
                                                break;
                                            }
                                        }
                                    }
                                }
                                if (testResultFound) break;
                            }
                        }
                    }
                }
            }
            catch (Exception exc)
            {
                log.ErrorFormat("Cannot parse file {0}: {1}", record.fileName, exc.Message);
                return null;
            }

            return record;
        }

        public bool CanSaveRecordToOracle() { return false; }
        public bool SaveRecordToOracle(OracleConnection oraConn) { return false; }

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

        public override string ToString()
        {
            return string.Format("File={0}  PcbNr={1}({2}), Rslt={3}, RF_Power={4} {5}",
                                 fileName,
                                 sn,
                                 ReferenceRecordsCount,
                                 status,
                                 Leakage_Value,
                                 Leakage_Unit);
        }
    }
}