using Adaptation.Shared;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Text;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace Adaptation.FileHandlers.RsM;

#nullable enable

internal class Run
{
    public Run(Line1 line1, Line2 line2, Line3 line3, Line4 line4, Line4B line4B, Line5 line5, Line6 line6, Line7 line7, Line8 line8, Line9 line9, Line10 line10, Line11 line11, Line12 line12, Line13 line13, ReadOnlyCollection<Point> points)
    {
        Line1 = line1;
        Line2 = line2;
        Line3 = line3;
        Line4 = line4;
        Line4B = line4B;
        Line5 = line5;
        Line6 = line6;
        Line7 = line7;
        Line8 = line8;
        Line9 = line9;
        Line10 = line10;
        Line11 = line11;
        Line12 = line12;
        Line13 = line13;
        Points = points;
    }

    public Line1 Line1 { get; }
    public Line2 Line2 { get; }
    public Line3 Line3 { get; }
    public Line4 Line4 { get; }
    public Line4B Line4B { get; }
    public Line5 Line5 { get; }
    public Line6 Line6 { get; }
    public Line7 Line7 { get; }
    public Line8 Line8 { get; }
    public Line9 Line9 { get; }
    public Line10 Line10 { get; }
    public Line11 Line11 { get; }
    public Line12 Line12 { get; }
    public Line13 Line13 { get; }
    public ReadOnlyCollection<Point> Points { get; }

    internal static ReadOnlyCollection<string> GetCollection(string[] segments)
    {
        List<string> results = new();
        foreach (string segment in segments)
        {
            if (segment[0] == ',')
                break;
            results.Add(segment);
        }
        return new(results);
    }

    private static void WriteJson(Logistics logistics, List<FileInfo> fileInfoCollection, Run? result)
    {
        FileInfo fileInfo = new($"{logistics.ReportFullPath}.json");
        string json = JsonSerializer.Serialize(result, RunSourceGenerationContext.Default.Run);
        File.WriteAllText(fileInfo.FullName, json);
        File.SetLastWriteTime(fileInfo.FullName, logistics.DateTimeFromSequence);
        fileInfoCollection.Add(fileInfo);
    }

    private static ReadOnlyCollection<string> GetLines(JsonElement[]? jsonElements)
    {
        List<string> results = new();
        int columns = 0;
        StringBuilder stringBuilder = new();
        for (int i = 0; i < jsonElements?.Length;)
        {
            foreach (JsonProperty jsonProperty in jsonElements[0].EnumerateObject())
            {
                columns += 1;
                _ = stringBuilder.Append('"').Append(jsonProperty.Name).Append('"').Append('\t');
            }
            break;
        }
        if (jsonElements?.Length != 0)
            _ = stringBuilder.Remove(stringBuilder.Length - 1, 1);
        results.Add(stringBuilder.ToString());
        for (int i = 0; i < jsonElements?.Length; i++)
        {
            _ = stringBuilder.Clear();
            foreach (JsonProperty jsonProperty in jsonElements[i].EnumerateObject())
            {
                if (jsonProperty.Value.ValueKind == JsonValueKind.Object)
                    _ = stringBuilder.Append('\t');
                else if (jsonProperty.Value.ValueKind != JsonValueKind.String)
                    _ = stringBuilder.Append(jsonProperty.Value).Append('\t');
                else
                    _ = stringBuilder.Append('"').Append(jsonProperty.Value).Append('"').Append('\t');
            }
            _ = stringBuilder.Remove(stringBuilder.Length - 1, 1);
            results.Add(stringBuilder.ToString());
        }
        return results.AsReadOnly();
    }

    private static ReadOnlyCollection<string> GetLines(JsonElement jsonElement) =>
        GetLines(new JsonElement[] { jsonElement });

    private static void WriteTabSeparatedValues(Logistics logistics, List<FileInfo> fileInfoCollection, Run run)
    {
        List<Row> results = new();
        Row row;
        FileInfo fileInfo = new($"{logistics.ReportFullPath}.tsv");
        for (int i = 0; i < run.Points.Count; i++)
        {
            row = new(run, i);
            results.Add(row);
        }
        string json = JsonSerializer.Serialize(results);
        JsonElement[]? jsonElements = JsonSerializer.Deserialize<JsonElement[]>(json);
        ReadOnlyCollection<string> lines = GetLines(jsonElements);
        File.WriteAllText(fileInfo.FullName, string.Join(Environment.NewLine, lines));
        File.SetLastWriteTime(fileInfo.FullName, logistics.DateTimeFromSequence);
        fileInfoCollection.Add(fileInfo);
    }

    private static void WriteException(Logistics logistics, Exception ex)
    {
        FileInfo fileInfo = new($"{logistics.ReportFullPath}.{nameof(Exception)}.txt");
        File.WriteAllText(fileInfo.FullName, $"{ex.Message}{Environment.NewLine}{ex.StackTrace}");
    }

    internal static Run? Get(Logistics logistics, List<FileInfo> fileInfoCollection)
    {
        Run? result;
        int take = 14;
        string[] lines = File.ReadAllLines(logistics.ReportFullPath);
        ReadOnlyCollection<string> collection = new(lines);
        if (collection.Count < take)
            result = null;
        else
        {
            string[] separator = new string[] { " ", "\t" };
            // <Title>
            Line1 line1 = Line1.Get(collection[0].Split(separator, StringSplitOptions.RemoveEmptyEntries));
            // <FileName, Proj,Rcpe, LotID,WfrID, Is_TF_DataFile>
            Line2 line2 = Line2.Get(collection[1].Split(separator, StringSplitOptions.RemoveEmptyEntries));
            // <Directory>
            Line3 line3 = Line3.Get(collection[2].Split(separator, StringSplitOptions.RemoveEmptyEntries));
            // <DateTime,Temp,TCR%,N|P>
            Line4 line4 = Line4.Get(collection[3].Split(separator, StringSplitOptions.RemoveEmptyEntries));
            // <Avg,Dev,Min,Max>
            Line4B? line4B = Line4B.Get(collection[3].Split(new string[] { ">" }, StringSplitOptions.RemoveEmptyEntries));
            if (line4B is null)
                result = null;
            else
            {
                // <Operator, Epuipment>
                Line5 line5 = Line5.Get(collection[4].Split(separator, StringSplitOptions.RemoveEmptyEntries));
                // <Engineer>
                Line6 line6 = Line6.Get(collection[5].Split(separator, StringSplitOptions.RemoveEmptyEntries));
                // <AreaOrDiamScan, WaferShape, dNBand,  TemplateFile,  xsize,ysize, CalibFactor, MsmtMode,  DataType,  DataUnit>
                Line7 line7 = Line7.Get(collection[6].Split(separator, StringSplitOptions.RemoveEmptyEntries));
                // <NumProbePoints, SingleOrDualProbeConfig, #ActPrbPts,  Rsens,IdrvMx,VinGain, DataRejectSigma, MeritThreshold, PrbChg#, PrbName>
                Line8 line8 = Line8.Get(collection[7].Split(separator, StringSplitOptions.RemoveEmptyEntries));
                // <WaferSize,EdgeEx, x,yll, x,yur, #x,y, CutCorners>
                Line9 line9 = Line9.Get(collection[8].Split(separator, StringSplitOptions.RemoveEmptyEntries));
                // <Diam: ThScan Start End Step>
                Line10 line10 = Line10.Get(collection[9].Split(separator, StringSplitOptions.RemoveEmptyEntries));
                // <FlatOrNotch FollowMajorFlat AutoOrManualLoad RangeOrIndvdual PauseAfterEveryRun, AutoPrint,Plot, BulkSmplThk & Unit>
                Line11 line11 = Line11.Get(collection[10].Split(separator, StringSplitOptions.RemoveEmptyEntries));
                // <RangeFrom, RangeTo>
                Line12 line12 = Line12.Get(collection[11].Split(separator, StringSplitOptions.RemoveEmptyEntries));
                // <CassSlotSelected>
                Line13 line13 = Line13.Get(collection[12].Split(separator, StringSplitOptions.RemoveEmptyEntries));
                // <R,Th,Data, Rs,RsA,RsB, #Smpl, x,y, Irng,Vrng, ChiSq,merit/GOF, DataIntegrity>
                ReadOnlyCollection<Point> points = Point.Get(take, collection, separator);
                if (points.Count == 0)
                    result = null;
                else
                {
                    result = new(line1, line2, line3, line4, line4B, line5, line6, line7, line8, line9, line10, line11, line12, line13, points);
                    WriteJson(logistics, fileInfoCollection, result);
                    try
                    {
                        WriteTabSeparatedValues(logistics, fileInfoCollection, result);
                    }
                    catch (Exception ex)
                    {
                        WriteException(logistics, ex);
                    }
                }
            }
        }
        return result;
    }

}

[JsonSourceGenerationOptions(WriteIndented = true)]
[JsonSerializable(typeof(Run))]
internal partial class RunSourceGenerationContext : JsonSerializerContext
{
}