mesa-fi-backlog/Adaptation/FileHandlers/ADO/ProcessData.cs

using Adaptation.FileHandlers.json.WorkItems;
using Adaptation.Shared;
using Adaptation.Shared.Duplicator;
using Adaptation.Shared.Methods;
using log4net;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace Adaptation.FileHandlers.ADO;

public class ProcessData : IProcessData
{

    private readonly List<object> _Details;

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

    private readonly ILog _Log;

    public ProcessData(IFileRead fileRead, Logistics logistics, string targetFileLocation, string url, List<FileInfo> fileInfoCollection)
    {
        if (fileRead.IsEAFHosted)
        { }
        if (url is null)
            throw new ArgumentNullException(nameof(url));
        _Details = new List<object>();
        _Log = LogManager.GetLogger(typeof(ProcessData));
        WriteFiles(fileRead, logistics, targetFileLocation, fileInfoCollection);
    }

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

    Tuple<string, Test[], JsonElement[], List<FileInfo>> IProcessData.GetResults(IFileRead fileRead, Logistics logistics, List<FileInfo> fileInfoCollection) =>
        new(logistics.Logistics1[0], Array.Empty<Test>(), Array.Empty<JsonElement>(), fileInfoCollection);

#nullable enable

    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;
    }

    private void WriteFiles(IFileRead fileRead, Logistics logistics, string destinationDirectory, List<FileInfo> fileInfoCollection)
    {
        bool keepRelations = true;
        if (!Directory.Exists(destinationDirectory))
            _ = Directory.CreateDirectory(destinationDirectory);
        string json = File.ReadAllText(logistics.ReportFullPath);
        WorkItem[]? workItems = JsonSerializer.Deserialize<WorkItem[]>(json);
        if (workItems is null)
            throw new Exception(nameof(workItems));
        _Details.Add(workItems);
        ReadOnlyDictionary<int, Record> keyValuePairs = GetWorkItems(workItems, keepRelations);
        WriteFiles(fileRead, destinationDirectory, fileInfoCollection, keyValuePairs);
    }

    private static ReadOnlyDictionary<int, Record> GetWorkItems(WorkItem[] workItems, bool keepRelations)
    {
        ReadOnlyDictionary<int, Record> results;
        Dictionary<int, WorkItem> keyValuePairs = new();
        foreach (WorkItem workItem in workItems)
            keyValuePairs.Add(workItem.Id, workItem);
        results = GetKeyValuePairs(new(keyValuePairs), keepRelations);
        return results;
    }

    private static void WriteFiles(IFileRead fileRead, string destinationDirectory, List<FileInfo> fileInfoCollection, ReadOnlyDictionary<int, Record> keyValuePairs)
    {
        string old;
        string json;
        string checkFile;
        WorkItem workItem;
        string workItemType;
        string singletonDirectory;
        string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(fileRead.ReportFullPath);
        string rootDirectory = Path.Combine(destinationDirectory, fileNameWithoutExtension);
        if (string.IsNullOrEmpty(rootDirectory))
            throw new NullReferenceException(nameof(rootDirectory));
        foreach (KeyValuePair<int, Record> keyValuePair in keyValuePairs)
        {
            workItem = keyValuePair.Value.WorkItem;
            workItemType = workItem.WorkItemType.Replace(" ", "-");
            json = JsonSerializer.Serialize(workItem, WorkItemSourceGenerationContext.Default.WorkItem);
            singletonDirectory = Path.Combine(rootDirectory, workItemType, $"{workItem.Id}");
            if (!Directory.Exists(singletonDirectory))
                _ = Directory.CreateDirectory(singletonDirectory);
            checkFile = Path.Combine(singletonDirectory, $"{workItem.Id}-{workItemType.ToLower()}.json");
            old = File.Exists(checkFile) ? File.ReadAllText(checkFile) : string.Empty;
            if (old == json)
                continue;
            File.WriteAllText(checkFile, json);
            if (!fileRead.IsEAFHosted)
                fileInfoCollection.Add(new(checkFile));
        }
    }

    private static ReadOnlyDictionary<int, Record> GetKeyValuePairs(ReadOnlyDictionary<int, WorkItem> keyValuePairs, bool keepRelations)
    {
        Dictionary<int, Record> results = new();
        Record record;
        List<bool> nests = new();
        WorkItem? parentWorkItem;
        ReadOnlyCollection<Record> childRecords;
        ReadOnlyCollection<Record> relatedRecords;
        ReadOnlyCollection<Record> successorRecords;
        foreach (KeyValuePair<int, WorkItem> keyValuePair in keyValuePairs)
        {
            nests.Clear();
            if (keyValuePair.Value.Parent is null)
                parentWorkItem = null;
            else
                _ = keyValuePairs.TryGetValue(keyValuePair.Value.Parent.Value, out parentWorkItem);
            try
            {
                childRecords = Record.GetKeyValuePairs(keyValuePairs, keyValuePair.Value, "Child", nests, keepRelations); // Forward
                relatedRecords = Record.GetKeyValuePairs(keyValuePairs, keyValuePair.Value, "Related", nests, keepRelations); // Related
                successorRecords = Record.GetKeyValuePairs(keyValuePairs, keyValuePair.Value, "Successor", nests, keepRelations); // Forward
                // predecessorRecords = Record.GetKeyValuePairs(keyValuePairs, keyValuePair.Value, "Predecessor", nests, keepRelations); // Reverse
                record = Record.Get(keyValuePair.Value, parentWorkItem, childRecords, relatedRecords, successorRecords, keepRelations);
            }
            catch (Exception)
            {
                Dictionary<string, string>? tag = null;
                record = new(keyValuePair.Value, parentWorkItem, Array.Empty<Record>(), Array.Empty<Record>(), Array.Empty<Record>(), tag);
            }
            results.Add(keyValuePair.Key, record);
        }
        return new(results);
    }

    private static string GetIndexLines(ReadOnlyCollection<string> frontMatterLines, Record record)
    {
        List<string> results = new();
        results.Clear();
        results.AddRange(frontMatterLines);
        results.Add(string.Empty);
        results.Add($"# {record.WorkItem.Id}");
        results.Add(string.Empty);
        results.Add("## Backlog");
        results.Add(string.Empty);
        results.Add("## Todo");
        results.Add(string.Empty);
        results.Add("## In Progress");
        results.Add(string.Empty);
        results.Add("## Done");
        results.Add(string.Empty);
        return string.Join(Environment.NewLine, results);
    }

    private static string GetMarkdownLines(string url, Record record, string jsonDirectory, string iterationPathDirectory)
    {
        List<string> results = new();
        string link;
        string target;
        results.Add($"# {record.WorkItem.Id}");
        results.Add(string.Empty);
        results.Add($"## {record.WorkItem.Title}");
        results.Add(string.Empty);
        if (record.Children is not null)
        {
            foreach (Record r in record.Children)
                results.Add($"- [{r.WorkItem.Id}]({url}{r.WorkItem.Id})");
        }
        results.Add(string.Empty);
        results.Add("```bash");
        if (record.Children is not null)
        {
            foreach (Record r in record.Children)
            {
                link = Path.Combine(jsonDirectory, $"{r.WorkItem.Id}-{r.WorkItem.WorkItemType}");
                target = Path.Combine(iterationPathDirectory, r.WorkItem.WorkItemType, $"{r.WorkItem.Id}-{r.WorkItem.WorkItemType}", r.WorkItem.Id.ToString());
                results.Add($"mklink /J \"{link}\" \"{target}\"");
            }
        }
        results.Add("```");
        results.Add(string.Empty);
        return string.Join(Environment.NewLine, results);
    }

}