using Adaptation.Eaf.Management.ConfigurationData.CellAutomation;
using Adaptation.Ifx.Eaf.EquipmentConnector.File.Configuration;
using Adaptation.Shared;
using Adaptation.Shared.Duplicator;
using Adaptation.Shared.Methods;
using log4net;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text.Json;
using System.Threading;

namespace Adaptation.FileHandlers.Priority;

#nullable enable

public class FileRead : Shared.FileRead, IFileRead
{

    private readonly Timer _Timer;
    internal static ILog? Log { get; private set; }
    internal static Settings? Settings { get; private set; }
    internal static Dictionary<int, WorkItem>? WorkItems { get; private set; }
    internal static Dictionary<string, Queue<KeyValuePair<string, WorkItem>>>? Queue { get; private set; }

    public FileRead(ISMTP smtp, Dictionary<string, string> fileParameter, string cellInstanceName, int? connectionCount, string cellInstanceConnectionName, FileConnectorConfiguration fileConnectorConfiguration, string equipmentTypeName, string parameterizedModelObjectDefinitionType, IList<ModelObjectParameterDefinition> modelObjectParameters, string equipmentDictionaryName, Dictionary<string, List<long>> dummyRuns, Dictionary<long, List<Shared.Metrology.WS.Results>> staticRuns, bool useCyclicalForDescription, bool isEAFHosted) :
        base(new Description(), false, smtp, fileParameter, cellInstanceName, connectionCount, cellInstanceConnectionName, fileConnectorConfiguration, equipmentTypeName, parameterizedModelObjectDefinitionType, modelObjectParameters, equipmentDictionaryName, dummyRuns, staticRuns, useCyclicalForDescription, isEAFHosted: connectionCount is null)
    {
        Queue = new();
        WorkItems = new();
        _MinFileLength = 10;
        _Logistics = new(this);
        _NullData = string.Empty;
        Log = LogManager.GetLogger(typeof(FileRead));
        if (_FileParameter is null)
            throw new Exception(cellInstanceConnectionName);
        if (_ModelObjectParameterDefinitions is null)
            throw new Exception(cellInstanceConnectionName);
        if (!_IsDuplicator)
            throw new Exception(cellInstanceConnectionName);
        if (_IsEAFHosted)
            NestExistingFiles(_FileConnectorConfiguration);
        string parentDirectory = Path.GetDirectoryName(_FileConnectorConfiguration.TargetFileLocation) ?? throw new Exception();
        Settings = new(digits: 5,
                        parentDirectory: parentDirectory,
                        priorities: 3,
                        priorityGroups: 9,
                        sourceFileFilter: _FileConnectorConfiguration.SourceFileFilter,
                        sourceFileLocation: _FileConnectorConfiguration.SourceFileLocation,
                        targetFileLocation: _FileConnectorConfiguration.TargetFileLocation);
        _Timer = new Timer(Callback, null, Timeout.Infinite, Timeout.Infinite);
        string cellInstanceNamed = string.Concat("CellInstance.", _EquipmentType);
        string url = GetPropertyValue(cellInstanceConnectionName, modelObjectParameters, $"{cellInstanceNamed}.Microsoft.Owin.Hosting.WebApp.Start.URL");
        if (_IsEAFHosted)
        {
            _ = Microsoft.Owin.Hosting.WebApp.Start<Startup>(url);
            _Log.Info($"Server running on {url}");
        }
        if (Debugger.IsAttached || fileConnectorConfiguration.PreProcessingMode == FileConnectorConfiguration.PreProcessingModeEnum.Process)
            Callback(null);
        else
        {
            long fileScanningIntervalInSeconds = _FileConnectorConfiguration.FileScanningIntervalInSeconds is null ? 0 : _FileConnectorConfiguration.FileScanningIntervalInSeconds.Value;
            TimeSpan timeSpan = new(DateTime.Now.AddSeconds(fileScanningIntervalInSeconds).Ticks - DateTime.Now.Ticks);
            _ = _Timer.Change((long)timeSpan.TotalMilliseconds, Timeout.Infinite);
        }
    }

    void IFileRead.Move(Tuple<string, Test[], JsonElement[], List<FileInfo>> extractResults, Exception exception) => Move(extractResults);

    void IFileRead.WaitForThread() => WaitForThread(thread: null, threadExceptions: null);

    string IFileRead.GetEventDescription()
    {
        string result = _Description.GetEventDescription();
        return result;
    }

    List<string> IFileRead.GetHeaderNames()
    {
        List<string> results = _Description.GetHeaderNames();
        return results;
    }

    string[] IFileRead.Move(Tuple<string, Test[], JsonElement[], List<FileInfo>> extractResults, string to, string from, string resolvedFileLocation, Exception exception)
    {
        string[] results = Move(extractResults, to, from, resolvedFileLocation, exception);
        return results;
    }

    JsonProperty[] IFileRead.GetDefault()
    {
        JsonProperty[] results = _Description.GetDefault(this, _Logistics);
        return results;
    }

    Dictionary<string, string> IFileRead.GetDisplayNamesJsonElement()
    {
        Dictionary<string, string> results = _Description.GetDisplayNamesJsonElement(this);
        return results;
    }

    List<IDescription> IFileRead.GetDescriptions(IFileRead fileRead, List<Test> tests, IProcessData processData)
    {
        List<IDescription> results = _Description.GetDescriptions(fileRead, _Logistics, tests, processData);
        return results;
    }

    Tuple<string, Test[], JsonElement[], List<FileInfo>> IFileRead.GetExtractResult(string reportFullPath, string eventName)
    {
        Tuple<string, Test[], JsonElement[], List<FileInfo>> results;
        if (string.IsNullOrEmpty(eventName))
            throw new Exception();
        _ReportFullPath = reportFullPath;
        DateTime dateTime = DateTime.Now;
        results = GetExtractResult(reportFullPath, dateTime);
        if (results.Item3 is null)
            results = new Tuple<string, Test[], JsonElement[], List<FileInfo>>(results.Item1, Array.Empty<Test>(), JsonSerializer.Deserialize<JsonElement[]>("[]") ?? throw new Exception(), results.Item4);
        if (results.Item3.Length > 0 && _IsEAFHosted)
            WritePDSF(this, results.Item3);
        UpdateLastTicksDuration(DateTime.Now.Ticks - dateTime.Ticks);
        return results;
    }

    Tuple<string, Test[], JsonElement[], List<FileInfo>> IFileRead.ReExtract()
    {
        Tuple<string, Test[], JsonElement[], List<FileInfo>> results;
        List<string> headerNames = _Description.GetHeaderNames();
        Dictionary<string, string> keyValuePairs = _Description.GetDisplayNamesJsonElement(this);
        results = ReExtract(this, headerNames, keyValuePairs);
        return results;
    }

    private Tuple<string, Test[], JsonElement[], List<FileInfo>> GetExtractResult(string reportFullPath, DateTime dateTime)
    {
        Tuple<string, Test[], JsonElement[], List<FileInfo>> results;
        if (dateTime == DateTime.MinValue)
            throw new ArgumentNullException(nameof(dateTime));
        string[] lines = new string[] { string.Empty, "NUM_DATA_ROWS", $"LOGISTICS_1{'\t'}A_JOBID={"BACKLOG"};A_MES_ENTITY={"BACKLOG"};" };
        ProcessDataStandardFormat processDataStandardFormat = ProcessDataStandardFormat.GetProcessDataStandardFormat(reportFullPath, lines);
        _Logistics = new Logistics(reportFullPath, processDataStandardFormat);
        results = new(string.Join(Environment.NewLine, _Logistics.Logistics1), Array.Empty<Test>(), Array.Empty<JsonElement>(), new List<FileInfo>());
        return results;
    }

    private void Callback(object? state)
    {
        try
        {
            if (Settings is null)
                throw new NullReferenceException(nameof(Settings));
            if (WorkItems is null)
                throw new NullReferenceException(nameof(WorkItems));
            _Log.Info($"Enter-{nameof(WeightedShortestJobFirstModule.PopulatedWorkItemsAndGetJson)}");
            string? json = WeightedShortestJobFirstModule.PopulatedWorkItemsAndGetJson(Settings, WorkItems);
            if (!string.IsNullOrEmpty(json))
                WeightedShortestJobFirstModule.WriteJson(Settings, json);
            _Log.Info($"End-{nameof(WeightedShortestJobFirstModule.PopulatedWorkItemsAndGetJson)}");
        }
        catch (Exception exception)
        {
            string subject = string.Concat("Exception:", _CellInstanceConnectionName);
            string body = string.Concat(exception.Message, Environment.NewLine, Environment.NewLine, exception.StackTrace);
            _Log.Fatal($"Exception-{nameof(WeightedShortestJobFirstModule.PopulatedWorkItemsAndGetJson)}{Environment.NewLine}{body}");
            try
            {
                _SMTP.SendHighPriorityEmailMessage(subject, body);
                File.WriteAllText(".email", body);
            }
            catch (Exception) { }
        }
    }

}