using Microsoft.Extensions.Configuration;
using Phares.Shared;
using Serilog;
using ShellProgressBar;
using View_by_Distance.Delete.By.Distinct.Models;
using View_by_Distance.Property.Models;
using View_by_Distance.Shared.Models.Methods;

namespace View_by_Distance.Delete.By.Distinct;

public class DeleteByDistinct
{

    public DeleteByDistinct(List<string> args, IsEnvironment isEnvironment, IConfigurationRoot configurationRoot, AppSettings appSettings, string workingDirectory, bool isSilent, IConsole console)
    {
        if (isSilent)
        { }
        if (console is null)
        { }
        long ticks = DateTime.Now.Ticks;
        ILogger? log = Log.ForContext<DeleteByDistinct>();
        Dictionary<long, List<string>> longToCollection = new();
        Configuration configuration = Property.Models.Binder.Configuration.Get(isEnvironment, configurationRoot);
        ProgressBarOptions options = new() { ProgressCharacter = '─', ProgressBarOnBottom = true, DisableBottomPercentage = true };
        configuration.Update();
        log.Information(configuration.RootDirectory);
        bool compareIsPopulatedAndNotTheSame = !string.IsNullOrEmpty(appSettings.CompareRootDirectory) && appSettings.CompareRootDirectory != configuration.RootDirectory;
        Work(appSettings, ticks, log, configuration.RootDirectory, nameof(configuration.RootDirectory), options, longToCollection, logOnly: compareIsPopulatedAndNotTheSame);
        if (compareIsPopulatedAndNotTheSame)
            Work(appSettings, ticks, log, appSettings.CompareRootDirectory, nameof(appSettings.CompareRootDirectory), options, longToCollection, logOnly: false);
        _ = Shared.Models.Stateless.Methods.IPath.DeleteEmptyDirectories(appSettings.CompareRootDirectory);
    }

    private static void Work(AppSettings appSettings, long ticks, ILogger log, string directory, string variable, ProgressBarOptions options, Dictionary<long, List<string>> longToCollection, bool logOnly)
    {
        long check;
        string message;
        string logFile;
        string checkName;
        int totalSeconds;
        FileInfo fileInfo;
        ProgressBar progressBar;
        List<string>? fileNames;
        ConsoleKey? consoleKey = null;
        List<string> deletedFiles = new();
        List<string> deletedDirectories = new();
        Dictionary<long, List<string>> longToCollectionB = new();
        List<(string Source, string Destination)> renameFiles = new();
        log.Information($"Gathering {appSettings.SearchPattern} files from <{directory}>");
        (string directory, string[] files)[] leftCollection = Shared.Models.Stateless.Methods.IFileHolder.GetFiles(directory, appSettings.SearchPattern).ToArray();
        totalSeconds = (int)Math.Floor(new TimeSpan(DateTime.Now.Ticks - ticks).TotalSeconds);
        message = $") Looking for duplicates from <{directory}> - {totalSeconds} total second(s)";
        progressBar = new(leftCollection.Length, message, options);
        foreach ((_, string[] files) in leftCollection)
        {
            progressBar.Tick();
            foreach (string file in files)
            {
                if (file.EndsWith(".id") || file.Contains("Rename") || file.EndsWith(".lsv"))
                    continue;
                fileInfo = new(file);
                if (appSettings.SizeForLong)
                {
                    if (fileInfo.Length < 100)
                        continue;
                    check = fileInfo.Length;
                }
                else if (appSettings.TicksForLong)
                {
                    if (fileInfo.LastWriteTime.Hour == 0 && fileInfo.LastWriteTime.Minute == 0 && fileInfo.LastWriteTime.Second == 0)
                        continue;
                    check = fileInfo.LastWriteTime.Ticks;
                }
                else
                    throw new Exception();
                if (!longToCollection.TryGetValue(check, out fileNames))
                {
                    longToCollection.Add(check, new());
                    if (!longToCollection.TryGetValue(check, out fileNames))
                        throw new Exception();
                }
                checkName = fileInfo.Name.ToLower().Replace(".jpeg", ".jpg");
                if (!logOnly && appSettings.RenameToMatch && fileNames.Count == 1 && fileInfo.DirectoryName is not null && fileInfo.Name != fileNames.First())
                    renameFiles.Add((fileInfo.FullName, Path.Combine(fileInfo.DirectoryName, fileNames.First())));
                else if (fileNames.Contains(checkName))
                    deletedFiles.Add(file);
                else
                    fileNames.Add(checkName);
            }
        }
        progressBar.Dispose();
        log.Information(". . .");
        logFile = $"{ticks}-{variable}-Files-A.lsv";
        if (!logOnly)
            File.WriteAllLines(Path.Combine(directory, logFile), deletedFiles);
        if (deletedFiles.Any() && !logOnly)
        {
            log.Information($"Ready to delete {deletedFiles.Count} from {variable} {appSettings.SearchPattern} file(s)? See <{logFile}>");
            for (int y = 0; y < int.MaxValue; y++)
            {
                log.Information("Press \"Y\" key to delete file(s), \"N\" key to log file(s) or close console to not delete files");
                consoleKey = Console.ReadKey().Key;
                if (consoleKey is ConsoleKey.Y or ConsoleKey.N)
                    break;
            }
            log.Information(". . .");
            if (consoleKey is not null && consoleKey.Value == ConsoleKey.Y)
            {
                foreach (string file in deletedFiles)
                {
                    if (!appSettings.RecycleOption)
                    {
                        try
                        { File.Delete(file); }
                        catch (Exception) { }
                    }
                    else
                    {
                        try
                        { Microsoft.VisualBasic.FileIO.FileSystem.DeleteFile(file, Microsoft.VisualBasic.FileIO.UIOption.OnlyErrorDialogs, Microsoft.VisualBasic.FileIO.RecycleOption.SendToRecycleBin); }
                        catch (Exception) { }
                    }
                }
                totalSeconds = (int)Math.Floor(new TimeSpan(DateTime.Now.Ticks - ticks).TotalSeconds);
                message = $") Looking for empty directories from <{directory}> - {totalSeconds} total second(s)";
                progressBar = new(4, message, options);
                for (int i = 1; i < 5; i++)
                {
                    progressBar.Tick();
                    List<string> collection = new();
                    Shared.Models.Stateless.Methods.IPath.DeleteEmptyDirectories(directory, collection);
                    if (!collection.Any())
                        break;
                    deletedDirectories.AddRange(collection);
                }
                progressBar.Dispose();
                log.Information(". . .");
                logFile = $"{ticks + 1}-{variable}-Directories.lsv";
                File.WriteAllLines(Path.Combine(directory, logFile), deletedDirectories.Distinct());
            }
        }
        if (!logOnly && renameFiles.Any())
        {
            logFile = $"{ticks}-{variable}-Files-B.lsv";
            File.WriteAllLines(Path.Combine(directory, logFile), renameFiles.Select(l => l.Source));
            logFile = $"{ticks}-{variable}-Files-C.lsv";
            File.WriteAllLines(Path.Combine(directory, logFile), renameFiles.Select(l => l.Destination));
            log.Information($"Ready to rename to match {renameFiles.Count} from {variable} {appSettings.SearchPattern} file(s)? See <{logFile}>");
            for (int y = 0; y < int.MaxValue; y++)
            {
                log.Information("Press \"Y\" key to rename to match file(s), \"N\" key to log file(s) or close console to not rename to match files");
                consoleKey = Console.ReadKey().Key;
                if (consoleKey is ConsoleKey.Y or ConsoleKey.N)
                    break;
            }
            log.Information(". . .");
            if (consoleKey is not null && consoleKey.Value == ConsoleKey.Y)
            {
                foreach ((string source, string destination) in renameFiles)
                {
                    try
                    { File.Move(source, destination); }
                    catch (Exception) { }
                }
            }
        }
    }

}