using Microsoft.Extensions.Configuration;
using Phares.Shared;
using Serilog;
using ShellProgressBar;
using System.Text;
using System.Text.Json;
using View_by_Distance.Save.Image.Info.Models;
using View_by_Distance.Shared.Models;
using View_by_Distance.Shared.Models.Methods;

namespace View_by_Distance.Save.Image.Info;

public class SaveImageInfo
{

    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 SaveImageInfo(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<SaveImageInfo>();
        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 = SaveImageInfoFilesInDirectories(log);
        File.WriteAllLines($"D:/Tmp/Phares/{DateTime.Now.Ticks}.tsv", lines);
        if (!lines.Any())
            _ = Shared.Models.Stateless.Methods.IPath.DeleteEmptyDirectories(propertyConfiguration.RootDirectory);
    }

    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 StringBuilder GetLines(ProgressBar progressBar, List<string[]> filesCollection)
    {
        StringBuilder result = new();
        string json;
        string? directory;
        ImageInfo imageInfo;
        FileHolder[] fileHolders;
        List<string> lines = new();
        foreach (string[] files in filesCollection)
        {
            lines.Clear();
            progressBar.Tick();
            fileHolders = (from l in files select new FileHolder(l)).ToArray();
            foreach (FileHolder fileHolder in from l in fileHolders orderby l.Name.Length, l.Name select l)
            {
                if (fileHolder.ExtensionLowered == ".id" || fileHolder.ExtensionLowered == ".lsv" || fileHolder.DirectoryName is null)
                    continue;
                imageInfo = new(fileHolder.CreationTime, fileHolder.LastWriteTime, fileHolder.Length, fileHolder.Name);
                json = JsonSerializer.Serialize(imageInfo);
                lines.Add(json);
            }
            if (lines.Any())
            {
                directory = Path.GetDirectoryName(files.First());
                if (directory is null)
                    continue;
                _ = result.AppendLine(directory);
                foreach (string line in lines)
                    _ = result.AppendLine(line);
            }
        }
        return result;
    }

    private void Save(StringBuilder stringBuilder)
    {
        string checkFile = Path.Combine(_PropertyConfiguration.RootDirectory, ".json");
        string text = stringBuilder.ToString();
        _ = Shared.Models.Stateless.Methods.IPath.WriteAllText(checkFile, text, updateToWhenMatches: null, compareBeforeWrite: true, updateDateWhenMatches: false);
    }

    private List<string> SaveImageInfoFilesInDirectories(ILogger log)
    {
        List<string> results = new();
        ProgressBar progressBar;
        const string fileSearchFilter = "*";
        string message = nameof(SaveImageInfo);
        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);
        StringBuilder lines = GetLines(progressBar, filesCollection);
        progressBar.Dispose();
        Save(lines);
        return results;
    }

}