using Microsoft.Extensions.Configuration;
using Phares.Shared;
using Serilog;
using ShellProgressBar;
using View_by_Distance.Mirror.Length.Models;
using View_by_Distance.Shared.Models.Methods;

namespace View_by_Distance.Mirror.Length;

public class MirrorLength
{

    private readonly AppSettings _AppSettings;
    private readonly string _WorkingDirectory;
    private readonly Configuration _Configuration;
    private readonly IsEnvironment _IsEnvironment;
    private readonly IConfigurationRoot _ConfigurationRoot;
    private readonly Property.Models.Configuration _PropertyConfiguration;

    public MirrorLength(List<string> args, IsEnvironment isEnvironment, IConfigurationRoot configurationRoot, AppSettings appSettings, string workingDirectory, bool isSilent, IConsole console)
    {
        if (isSilent)
        { }
        if (console is null)
        { }
        _AppSettings = appSettings;
        _IsEnvironment = isEnvironment;
        _WorkingDirectory = workingDirectory;
        _ConfigurationRoot = configurationRoot;
        ILogger? log = Log.ForContext<MirrorLength>();
        Property.Models.Configuration propertyConfiguration = Property.Models.Binder.Configuration.Get(isEnvironment, configurationRoot);
        Configuration configuration = Models.Binder.Configuration.Get(isEnvironment, configurationRoot, propertyConfiguration);
        _PropertyConfiguration = propertyConfiguration;
        _Configuration = configuration;
        propertyConfiguration.Update();
        log.Information(propertyConfiguration.RootDirectory);
        Verify();
        List<string> lines = MirrorLengthFilesInDirectories(log);
        if (!lines.Any())
            File.WriteAllLines($"D:/Tmp/Phares/{DateTime.Now.Ticks}.tsv", lines);
    }

    private void Verify()
    {
        if (_AppSettings is null)
        { }
        if (_IsEnvironment is null)
        { }
        if (_Configuration is null)
        { }
        if (_ConfigurationRoot is null)
        { }
        if (_WorkingDirectory is null)
        { }
        if (_PropertyConfiguration is null)
        { }
    }

    private static List<(string, string, DateTime, long)[]> GetToDoCollection(ProgressBar progressBar, List<string[]> filesCollection)
    {
        List<(string, string, DateTime, long)[]> results = new();
        FileInfo fileInfo;
        List<string> lines = new();
        List<(string, string, DateTime, long)> collection;
        foreach (string[] files in filesCollection)
        {
            lines.Clear();
            progressBar.Tick();
            collection = new();
            foreach (string file in files)
            {
                if (file.EndsWith("len"))
                    continue;
                fileInfo = new(file);
                if (string.IsNullOrEmpty(fileInfo.DirectoryName))
                    continue;
                collection.Add((fileInfo.DirectoryName, file, fileInfo.LastWriteTime, fileInfo.Length));
            }
            if (!collection.Any())
                continue;
            results.Add(collection.ToArray());
        }
        return results;
    }

    private void Save(ProgressBar progressBar, List<(string directory, string file, DateTime lastWriteTime, long length)[]> results)
    {
        string checkFile;
        string checkDirectory;
        string? firstDirectory;
        List<string> directories = new();
        foreach ((string Directory, string, DateTime, long)[] collection in results)
        {
            progressBar.Tick();
            directories.Clear();
            firstDirectory = collection.First().Directory;
            if (string.IsNullOrEmpty(firstDirectory))
                continue;
            checkDirectory = $"{_AppSettings.Destination}{firstDirectory[1..]}";
            if (Directory.Exists(checkDirectory))
                continue;
            _ = Directory.CreateDirectory(checkDirectory);
            foreach ((string directory, string _, DateTime _, long _) in collection)
            {
                checkDirectory = $"{_AppSettings.Destination}{directory[1..]}";
                if (directories.Contains(checkDirectory))
                    continue;
                directories.Add(checkDirectory);
                if (!Directory.Exists(checkDirectory))
                    _ = Directory.CreateDirectory(checkDirectory);
            }
            foreach ((string _, string file, DateTime lastWriteTime, long length) in collection)
            {
                checkFile = $"{_AppSettings.Destination}{file[1..]}len";
                if (!Shared.Models.Stateless.Methods.IPath.WriteAllText(checkFile, length.ToString(), updateToWhenMatches: null, compareBeforeWrite: true, updateDateWhenMatches: false))
                    continue;
                File.SetLastWriteTime(checkFile, lastWriteTime);
            }
        }
    }

    private List<string> MirrorLengthFilesInDirectories(ILogger log)
    {
        List<string> results = new();
        ProgressBar progressBar;
        const string fileSearchFilter = "*";
        string message = nameof(MirrorLength);
        const string directorySearchFilter = "*";
        List<string> distinctDirectories = new();
        List<string[]> filesCollection = Shared.Models.Stateless.Methods.IDirectory.GetFilesCollection(_PropertyConfiguration.RootDirectory, directorySearchFilter, fileSearchFilter);
        ProgressBarOptions options = new() { ProgressCharacter = '─', ProgressBarOnBottom = true, DisableBottomPercentage = true };
        progressBar = new(filesCollection.Count, message, options);
        List<(string, string, DateTime, long)[]> collection = GetToDoCollection(progressBar, filesCollection);
        progressBar.Dispose();
        progressBar = new(filesCollection.Count, message, options);
        Save(progressBar, collection);
        progressBar.Dispose();
        return results;
    }

}