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

namespace Adaptation.FileHandlers.json;

public partial class ProcessData : IProcessData
{

    private readonly List<object> _Details;

    public DateTime Date { get; set; }
    public string Employee { get; set; }
    public string JobID { get; set; }
    public string Layer { get; set; }
    public string MesEntity { get; set; }
    public string PSN { get; set; }
    public string RDS { get; set; }
    public string Reactor { get; set; }
    public string Recipe { get; set; }
    public string Zone { get; set; }

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

    private readonly ILog _Log;

    public ProcessData()
    {
    }

    public ProcessData(IFileRead fileRead, Logistics logistics, List<FileInfo> fileInfoCollection, long tickOffset)
    {
        JobID = logistics.JobID;
        fileInfoCollection.Clear();
        _Details = new List<object>();
        MesEntity = logistics.MesEntity;
        _Log = LogManager.GetLogger(typeof(ProcessData));
        CSV csv = Parse(fileRead, logistics, fileInfoCollection);
        if (!string.IsNullOrEmpty(csv.Info?.SampleName) && csv.ProfileHeader.ProfilePoints.Any())
            SetValues(logistics, tickOffset, csv);
    }

    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.SRP2100);
        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;
    }

    internal static DateTime GetDateTime(Logistics logistics, long tickOffset, DateTime dateTime)
    {
        DateTime result;
        if (dateTime < logistics.DateTimeFromSequence.AddDays(1) && dateTime > logistics.DateTimeFromSequence.AddDays(-1))
            result = new(dateTime.Ticks + tickOffset);
        else
            result = logistics.DateTimeFromSequence;
        return result;
    }

    private static (string, string) GetReactorAndRDS(string defaultReactor, string defaultRDS, string text, string formattedText, string[] segments)
    {
        string rds;
        string reactor;
        if (string.IsNullOrEmpty(text) || segments.Length == 0 || string.IsNullOrEmpty(formattedText))
            reactor = defaultReactor;
        else
            reactor = segments[0];
        if (segments.Length <= 1 || !int.TryParse(segments[1], out int rdsValue) || rdsValue < 99)
            rds = defaultRDS;
        else
            rds = segments[1];
        if (reactor.Length > 3)
        {
            rds = reactor;
            reactor = defaultReactor;
        }
        return new(reactor, rds);
    }

    private static (string, string) GetLayerAndPSN(string defaultLayer, string defaultPSN, string[] segments)
    {
        string psn;
        string layer;
        if (segments.Length <= 2)
        {
            psn = defaultPSN;
            layer = defaultLayer;
        }
        else
        {
            string[] segmentsB = segments[2].Split('.');
            psn = segmentsB[0];
            if (segmentsB.Length <= 1)
                layer = defaultLayer;
            else
            {
                layer = segmentsB[1];
                if (layer.Length > 1 && layer[0] == '0')
                    layer = layer.Substring(1);
            }
        }
        return (layer, psn);
    }

    private static string GetZone(string[] segments)
    {
        string result;
        if (segments.Length <= 3)
            result = string.Empty;
        else
        {
            result = segments[3];
            if (result.Length > 1 && result[0] == '0')
                result = result.Substring(1);
        }
        return result;
    }

    public static Descriptor GetDescriptor(string text)
    {
        Descriptor result;
        string psn;
        string rds;
        string zone;
        string layer;
        string wafer;
        string reactor;
        string employee;
        string defaultPSN = string.Empty;
        string defaultRDS = string.Empty;
        string defaultZone = string.Empty;
        string defaultLayer = string.Empty;
        string defaultReactor = string.Empty;
        string defaultEmployee = string.Empty;
        if (Regex.IsMatch(text, @"^[a-zA-z][0-9]{2,4}$"))
        {
            wafer = text.ToUpper();
            psn = defaultPSN;
            rds = defaultRDS;
            zone = defaultZone;
            layer = defaultLayer;
            reactor = defaultReactor;
            employee = defaultEmployee;
        }
        else if (string.IsNullOrEmpty(text) || (text.Length is 2 or 3 && Regex.IsMatch(text, "^[a-zA-z]{2,3}")))
        {
            wafer = text;
            employee = text;
            psn = defaultPSN;
            rds = defaultRDS;
            zone = defaultZone;
            layer = defaultLayer;
            reactor = defaultReactor;
        }
        else if (Regex.IsMatch(text, @"^[0-9]{2}[.][0-9]{1}[.]?[0-9]{0,1}"))
        {
            string[] segments = text.Split('.');
            wafer = text;
            psn = defaultPSN;
            rds = defaultRDS;
            layer = segments[1];
            reactor = segments[0];
            employee = defaultEmployee;
            if (segments.Length <= 2)
                zone = defaultZone;
            else
                zone = segments[2];
        }
        else
        {
            // Remove illegal characters \/:*?"<>| found in the Batch
            wafer = Regex.Replace(text, @"[\\,\/,\:,\*,\?,\"",\<,\>,\|]", "_").Split('\r')[0].Split('\n')[0];
            if (wafer.Length > 2 && wafer[0] == '1' && (wafer[1] == 'T' || wafer[1] == 't'))
                wafer = wafer.Substring(2);
            string[] segments = wafer.Split('-');
            // bool hasRDS = Regex.IsMatch(wafer, "[-]?([QP][0-9]{4,}|[0-9]{5,})[-]?");
            (reactor, rds) = GetReactorAndRDS(defaultReactor, defaultRDS, text, wafer, segments);
            (layer, psn) = GetLayerAndPSN(defaultLayer, defaultPSN, segments);
            zone = GetZone(segments);
            if (segments.Length <= 4)
                employee = defaultEmployee;
            else
                employee = segments[4];
        }
        result = new(employee, layer, psn, rds, reactor, wafer, zone);
        return result;
    }

#pragma warning disable IDE0060
    private static CSV Parse(IFileRead fileRead, Logistics logistics, List<FileInfo> fileInfoCollection)
#pragma warning restore IDE0060
    {
        CSV result;
        string json = File.ReadAllText(logistics.ReportFullPath);
        string directory = Path.GetDirectoryName(logistics.ReportFullPath);
        string fileName = Path.Combine(directory, $"{Path.GetFileNameWithoutExtension(logistics.ReportFullPath)}.csv");
        csv.CSV csv = JsonSerializer.Deserialize<csv.CSV>(json);
        if (csv is null)
            throw new NullReferenceException(nameof(csv));
        result = new(csv);
        if (File.Exists(fileName))
            fileInfoCollection.Add(new(fileName));
        fileInfoCollection.Add(logistics.FileInfo);
        return result;
    }

    private void SetValues(Logistics logistics, long tickOffset, CSV csv)
    {
        string psn;
        string rds;
        string zone;
        string layer;
        Detail detail;
        string reactor;
        List<Detail> details = new();
        string recipe = csv.Info.SampleName;
        string employee = csv.Info.Operator;
        string timeFormat = "yyyyMMddHHmmss";
        DateTime dateTime = GetDateTime(logistics, tickOffset, csv.Info.DateTime);
        string uniqueId = string.Concat(logistics.MesEntity, "_", logistics.DateTimeFromSequence.ToString(timeFormat));
        // Remove illegal characters \/:*?"<>| found in the Batch
        Descriptor descriptor = GetDescriptor(csv.Info.SampleName);
        psn = descriptor.PSN;
        rds = descriptor.RDS;
        zone = descriptor.Zone;
        layer = descriptor.Layer;
        reactor = descriptor.Reactor;
        if (string.IsNullOrEmpty(employee))
            employee = descriptor.Employee;
        PSN = psn;
        RDS = rds;
        Date = dateTime;
        Zone = zone;
        Layer = layer;
        Recipe = recipe;
        Reactor = reactor;
        Employee = employee;
        JobID = logistics.JobID;
        foreach (ProfilePoint profilePoint in csv.ProfileHeader.ProfilePoints)
        {
            detail = new()
            {
                HeaderUniqueId = uniqueId,
                UniqueId = string.Concat(uniqueId, "_Point-", profilePoint.Number),
                Depth = profilePoint.Depth.ToString(),
                Raw = profilePoint.Raw.ToString(),
                Edited = string.Concat(profilePoint.Edited),
                Resistivity = string.Concat(profilePoint.Resistivity),
                CD = string.Concat(profilePoint.CD),
            };
            details.Add(detail);
        }
        _Details.AddRange(details);
    }

#nullable enable
#pragma warning disable CA1416

    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);
            if (description is null)
                continue;
            results.Add(description);
        }
        return results;
    }

}