using Adaptation.Shared;
using Adaptation.Shared.Methods;
using log4net;
using System;
using System.Collections.Generic;
using System.Data;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Text.Json.Serialization;
using System.Text.RegularExpressions;

namespace Adaptation.FileHandlers.Stratus;

public partial class ProcessData : IProcessData
{

    private readonly List<object> _Details;

    public string JobID { get; set; }
    public string MesEntity { get; set; }
    public string Batch { get; set; }
    public string Cassette { get; set; }
    public string Date { get; set; }
    public string FilePath { get; set; }
    public string MeanThickness { get; set; }
    public string Employee { get; set; }
    public string PSN { get; set; }
    public string RDS { get; set; }
    public string Reactor { get; set; }
    public string Recipe { get; set; }
    public string StdDev { get; set; }
    public string Title { get; set; }
    public string UniqueId { get; set; }

    List<object> Shared.Properties.IProcessData.Details => _Details;

    private int _I;
    private string _Data;
    private readonly ILog _Log;

    public ProcessData(IFileRead fileRead, Logistics logistics, List<FileInfo> fileInfoCollection, string originalDataBioRad, string dataText)
    {
        JobID = logistics.JobID;
        fileInfoCollection.Clear();
        _Details = new List<object>();
        MesEntity = logistics.MesEntity;
        _Log = LogManager.GetLogger(typeof(ProcessData));
        Parse(fileRead, logistics, fileInfoCollection, originalDataBioRad, dataText);
    }

    string IProcessData.GetCurrentReactor(IFileRead fileRead, Logistics logistics, Dictionary<string, string> reactors) => throw new Exception(string.Concat("See ", nameof(Parse)));

    Tuple<string, Test[], JsonElement[], List<FileInfo>> IProcessData.GetResults(IFileRead fileRead, Logistics logistics, List<FileInfo> fileInfoCollection)
    {
        Tuple<string, Test[], JsonElement[], List<FileInfo>> results;
        List<Test> tests = new();
        foreach (object item in _Details)
            tests.Add(Test.BioRadStratus);
        List<IDescription> descriptions = fileRead.GetDescriptions(fileRead, tests, this);
        if (tests.Count != descriptions.Count)
            throw new Exception();
        for (int i = 0; i < tests.Count; i++)
        {
            if (descriptions[i] is not Description description)
                throw new Exception();
            if (description.Test != (int)tests[i])
                throw new Exception();
        }
        List<Description> fileReadDescriptions = (from l in descriptions select (Description)l).ToList();
        string json = JsonSerializer.Serialize(fileReadDescriptions, fileReadDescriptions.GetType());
        JsonElement[] jsonElements = JsonSerializer.Deserialize<JsonElement[]>(json);
        results = new Tuple<string, Test[], JsonElement[], List<FileInfo>>(logistics.Logistics1[0], tests.ToArray(), jsonElements, fileInfoCollection);
        return results;
    }

    private string GetBefore(string text)
    {
        string str;
        string str1;
        int num = _Data.IndexOf(text, _I);
        if (num <= -1)
        {
            str = _Data.Substring(_I);
            _I = _Data.Length;
            str1 = str.Trim();
        }
        else
        {
            str = _Data.Substring(_I, num - _I);
            _I = num + text.Length;
            str1 = str.Trim();
        }
        return str1;
    }

    private string GetBefore(string text, bool trim)
    {
        string str;
        string before;
        if (!trim)
        {
            int num = _Data.IndexOf(text, _I);
            if (num <= -1)
            {
                str = _Data.Substring(_I);
                _I = _Data.Length;
                before = str;
            }
            else
            {
                str = _Data.Substring(_I, num - _I);
                _I = num + text.Length;
                before = str;
            }
        }
        else
        {
            before = GetBefore(text);
        }
        return before;
    }

    private string GetToEOL()
    {
        string result;
        if (_Data.IndexOf("\n", _I) > -1)
            result = GetBefore("\n");
        else
            result = GetBefore(Environment.NewLine);
        return result;
    }

    private string GetToEOL(bool trim)
    {
        string str;
        if (_Data.IndexOf("\n", _I) > -1)
            str = !trim ? GetBefore("\n", false) : GetToEOL();
        else
            str = !trim ? GetBefore(Environment.NewLine, false) : GetToEOL();
        return str;
    }

    private string GetToken()
    {
        while (true)
        {
            if (_I >= _Data.Length || !IsNullOrWhiteSpace(_Data.Substring(_I, 1)))
            {
                break;
            }
            _I++;
        }
        int num = _I;
        while (true)
        {
            if (num >= _Data.Length || IsNullOrWhiteSpace(_Data.Substring(num, 1)))
            {
                break;
            }
            num++;
        }
        string str = _Data.Substring(_I, num - _I);
        _I = num;
        return str.Trim();
    }

    private string GetToText(string text)
    {
        string str = _Data.Substring(_I, _Data.IndexOf(text, _I) - _I).Trim();
        return str;
    }

    private bool IsBlankLine()
    {
        int num = _Data.IndexOf("\n", _I);
        return IsNullOrWhiteSpace(num > -1 ? _Data.Substring(_I, num - _I) : _Data.Substring(_I));
    }

    private static bool IsNullOrWhiteSpace(string text)
    {
        bool flag;
        int num = 0;
        while (true)
        {
            if (num >= text.Length)
            {
                flag = true;
                break;
            }
            else if (char.IsWhiteSpace(text[num]))
            {
                num++;
            }
            else
            {
                flag = false;
                break;
            }
        }
        return flag;
    }

    private string PeekNextLine()
    {
        int num = _I;
        string toEOL = GetToEOL();
        _I = num;
        return toEOL;
    }

    private void ScanPast(string text)
    {
        int num = _Data.IndexOf(text, _I);
        if (num <= -1)
        {
            _I = _Data.Length;
        }
        else
        {
            _I = num + text.Length;
        }
    }

    internal static DateTime GetDateTime(Logistics logistics, string dateTimeText)
    {
        DateTime result;
        string inputDateFormat = "MM/dd/yy  HH:mm";
        if (dateTimeText.Length != inputDateFormat.Length)
            result = logistics.DateTimeFromSequence;
        else
        {
            if (!DateTime.TryParseExact(dateTimeText, inputDateFormat, CultureInfo.InvariantCulture, DateTimeStyles.None, out DateTime dateTimeParsed))
                result = logistics.DateTimeFromSequence;
            else
            {
                if (dateTimeParsed < logistics.DateTimeFromSequence.AddDays(1) && dateTimeParsed > logistics.DateTimeFromSequence.AddDays(-1))
                    result = dateTimeParsed;
                else
                    result = logistics.DateTimeFromSequence;
            }
        }
        return result;
    }

    private void Parse(IFileRead fileRead, Logistics logistics, List<FileInfo> fileInfoCollection, string originalDataBioRad, string receivedData)
    {
        if (fileRead is null)
        { }
        _I = 0;
        _Data = string.Empty;
        List<Detail> details = new();
        if (string.IsNullOrEmpty(receivedData))
            receivedData = File.ReadAllText(logistics.ReportFullPath);
        _Log.Debug($"****ParseData - Source file contents:");
        _Log.Debug(receivedData);
        string[] files = Directory.GetFiles(Path.GetDirectoryName(logistics.ReportFullPath), string.Concat(originalDataBioRad, logistics.Sequence, "*"), SearchOption.TopDirectoryOnly);
        foreach (string file in files)
            fileInfoCollection.Add(new FileInfo(file));
        if (!string.IsNullOrEmpty(receivedData))
        {
            int i;
            int num;
            int num1;
            int num2;
            Point point;
            Detail detail;
            string[] segments;
            string batch = "Batch";
            string started = "started";
            string cassette = "Cassette";
            string startedAt = "started at";
            _I = 0;
            _Data = receivedData;
            if (!_Data.Contains(batch) || !_Data.Contains(started))
                Batch = string.Empty;
            else
            {
                for (int z = 0; z < int.MaxValue; z++)
                {
                    ScanPast(batch);
                    if (!_Data.Substring(_I).Contains(batch))
                        break;
                }
                Batch = GetToText(started);
                ScanPast(startedAt);
            }
            ScanPast(cassette);
            if (!_Data.Substring(_I).Contains(started))
                Cassette = string.Empty;
            else
                Cassette = GetToText(started);
            // Remove illegal characters \/:*?"<>| found in the Cassette.
            Cassette = Regex.Replace(Cassette, @"[\\,\/,\:,\*,\?,\"",\<,\>,\|]", "_").Split('\r')[0].Split('\n')[0];
            if (Cassette.StartsWith("1T") || Cassette.StartsWith("1t"))
                Cassette = Cassette.Substring(2);
            Title = !string.IsNullOrEmpty(Batch) ? Batch : Cassette;
            ScanPast(startedAt);
            string dateTimeText = GetToEOL();
            if (dateTimeText.EndsWith("."))
                dateTimeText = dateTimeText.Remove(dateTimeText.Length - 1, 1);
            DateTime dateTime = GetDateTime(logistics, dateTimeText);
            Date = dateTime.ToString();
            if (Cassette.Contains('.'))
                segments = Cassette.Split(new char[] { '.' });
            else if (Cassette.Contains('-'))
                segments = Cassette.Split(new char[] { '-' });
            else if (!Cassette.Contains('\u005F'))
                segments = Cassette.Split(new char[] { ' ' });
            else
                segments = Cassette.Split(new char[] { '\u005F' });
            if (segments.Length >= 1)
                Reactor = segments[0];
            if (segments.Length >= 2)
                RDS = segments[1];
            if (segments.Length >= 3)
                PSN = segments[2];
            if (segments.Length >= 4)
                Employee = segments[3];
            if (Reactor.Length > 3)
            {
                RDS = Reactor;
                Reactor = string.Empty;
            }
            num1 = 0;
            if (PeekNextLine().Contains("Wafer"))
            {
                _Log.Debug("****ProcessData Contains Wafer");
                while (!PeekNextLine().Contains(cassette))
                {
                    num2 = num1;
                    num1 = num2 + 1;
                    if (num2 > 25)
                        break;
                    else
                    {
                        _Log.Debug("****ProcessData new stratusBioRadWaferDetail");
                        detail = new Detail();
                        ScanPast("Wafer");
                        detail.Wafer = GetToEOL();
                        if (detail.Wafer.EndsWith("."))
                        {
                            _Log.Debug("****ProcessData Removing Wafer");
                            detail.Wafer = detail.Wafer.Remove(detail.Wafer.Length - 1, 1);
                        }
                        ScanPast("Slot");
                        detail.Slot = GetToEOL();
                        ScanPast("Recipe");
                        Recipe = GetToEOL();
                        if (Recipe.EndsWith("."))
                        {
                            _Log.Debug("****ProcessData Removing Recipe");
                            Recipe = Recipe.Remove(Recipe.Length - 1, 1);
                        }
                        detail.Recipe = Recipe;
                        _ = GetToEOL();
                        if (PeekNextLine().Contains("Thickness"))
                        {
                            ScanPast("1 - ");
                            num = Convert.ToInt32(GetToken());
                            _Log.Debug(string.Concat("****ProcessData Thickness =", num));
                            detail.Points = new();
                            for (i = 0; i < num; i++)
                            {
                                point = new() { Thickness = GetToken() };
                                detail.Points.Add(point);
                                point.Position = Convert.ToString(detail.Points.Count);
                            }
                        }
                        _ = GetToEOL();
                        if (PeekNextLine().Contains("Thickness"))
                        {
                            ScanPast("11 - ");
                            num = Convert.ToInt32(GetToken());
                            for (i = detail.Points.Count; i < num; i++)
                            {
                                point = new() { Thickness = GetToken() };
                                detail.Points.Add(point);
                                point.Position = Convert.ToString(detail.Points.Count);
                            }
                        }
                        ScanPast("Slot");
                        _ = GetToken();
                        detail.PassFail = GetToken();
                        if (detail.PassFail.EndsWith("."))
                        {
                            _Log.Debug("****ProcessData Removing PassFail");
                            detail.PassFail = detail.PassFail.Remove(detail.PassFail.Length - 1, 1);
                        }
                        ScanPast("Mean");
                        detail.Mean = GetToken();
                        if (detail.Mean.EndsWith(","))
                        {
                            _Log.Debug("****ProcessData Removing Mean");
                            detail.Mean = detail.Mean.Remove(detail.Mean.Length - 1, 1);
                        }
                        ScanPast("STDD");
                        detail.StdDev = GetToEOL();
                        if (detail.StdDev.EndsWith("."))
                        {
                            _Log.Debug("****ProcessData Removing stdDev");
                            detail.StdDev = detail.StdDev.Remove(detail.StdDev.Length - 1, 1);
                        }
                        detail.UniqueId = string.Concat("_Wafer-", detail.Wafer, "_Slot-", detail.Slot, "_Point-", detail.Position);
                        details.Add(detail);
                        if (PeekNextLine().Contains(cassette))
                            _ = GetToEOL();
                        if (PeekNextLine().Contains(cassette))
                            _ = GetToEOL();
                        if (PeekNextLine().Contains("Process failed"))
                            _ = GetToEOL();
                    }
                }
                ScanPast("Mean");
                MeanThickness = GetToken();
                if (MeanThickness.EndsWith(","))
                {
                    _Log.Debug("****ProcessData Removing MeanThickness");
                    MeanThickness = MeanThickness.Remove(MeanThickness.Length - 1, 1);
                }
                ScanPast("STDD");
                StdDev = GetToken();
                if (StdDev.EndsWith(","))
                {
                    _Log.Debug("****ProcessData Removing thi.StdDev");
                    StdDev = StdDev.Remove(StdDev.Length - 1, 1);
                }
            }
            if (receivedData.Contains("------------- Process failed -------------"))
                details.Add(new());
        }
        StringBuilder stringBuilder = new();
        UniqueId = string.Concat("StratusBioRad_", Reactor, "_", RDS, "_", PSN, "_", logistics.DateTimeFromSequence.ToString("yyyyMMddHHmmssffff"));
        foreach (Detail detail in details)
        {
            detail.HeaderUniqueId = UniqueId;
            detail.UniqueId = string.Concat(UniqueId, detail.UniqueId);
            if (detail.Points is null)
                detail.Points = new List<Point>();
            foreach (Point bioRadDetail in detail.Points)
            {
                bioRadDetail.HeaderUniqueId = detail.HeaderUniqueId;
                bioRadDetail.UniqueId = detail.UniqueId;
            }
            _ = stringBuilder.Clear();
            foreach (Point point in detail.Points)
                _ = stringBuilder.Append(point.Thickness).Append(',');
            if (stringBuilder.Length > 0)
                _ = stringBuilder.Remove(stringBuilder.Length - 1, 1);
            detail.Thickness = stringBuilder.ToString();
            _ = stringBuilder.Clear();
            foreach (Point point in detail.Points)
                _ = stringBuilder.Append(point.Position).Append(',');
            if (stringBuilder.Length > 0)
                _ = stringBuilder.Remove(stringBuilder.Length - 1, 1);
            detail.Position = stringBuilder.ToString();
        }
        fileInfoCollection.Add(new FileInfo(logistics.ReportFullPath));
        _Details.AddRange(details);
    }

    internal static List<Description> GetDescriptions(JsonElement[] jsonElements)
    {
        List<Description> results = new();
        Description description;
        JsonSerializerOptions jsonSerializerOptions = new() { NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.WriteAsString };
        foreach (JsonElement jsonElement in jsonElements)
        {
            if (jsonElement.ValueKind != JsonValueKind.Object)
                throw new Exception();
            description = JsonSerializer.Deserialize<Description>(jsonElement.ToString(), jsonSerializerOptions);
            results.Add(description);
        }
        return results;
    }

}