using Microsoft.Extensions.Configuration;
using Phares.Shared;
using System.Diagnostics;
using System.Globalization;
using System.Reflection;
using System.Text.Json;
using View_by_Distance.Drag_Drop_Explorer.Models;
using View_by_Distance.Shared.Models;
using View_by_Distance.Shared.Models.Stateless.Methods;

namespace View_by_Distance.Drag_Drop_Explorer;

public partial class DragDropExplorer : Form
{

    private readonly Calendar _Calendar;
    private readonly TextBox _PathTextBox;
    private readonly TextBox _JsonTextBox;
    private readonly TextBox _FirstTextBox;
    private readonly AppSettings _AppSettings;
    private readonly ProgressBar _ProgressBar;
    private readonly string _WorkingDirectory;
    private readonly IsEnvironment _IsEnvironment;

    public DragDropExplorer()
    {
        InitializeComponent();
        AppSettings appSettings;
        string workingDirectory;
        IsEnvironment isEnvironment;
        IConfigurationRoot configurationRoot;
        _Calendar = new CultureInfo("en-US").Calendar;
        Assembly assembly = Assembly.GetExecutingAssembly();
        bool debuggerWasAttachedAtLineZero = Debugger.IsAttached || assembly.Location.Contains(@"\bin\Debug");
        isEnvironment = new(processesCount: null, nullASPNetCoreEnvironmentIsDevelopment: debuggerWasAttachedAtLineZero, nullASPNetCoreEnvironmentIsProduction: !debuggerWasAttachedAtLineZero);
        IConfigurationBuilder configurationBuilder = new ConfigurationBuilder()
            .AddEnvironmentVariables()
            .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
            .AddJsonFile(isEnvironment.AppSettingsFileName, optional: false, reloadOnChange: true)
            .AddUserSecrets<Program>();
        configurationRoot = configurationBuilder.Build();
        appSettings = Models.Binder.AppSettings.Get(configurationRoot);
        if (string.IsNullOrEmpty(appSettings.WorkingDirectoryName))
            throw new Exception("Working path name must have parentDirectory value!");
        workingDirectory = IWorkingDirectory.GetWorkingDirectory(assembly.GetName().Name, appSettings.WorkingDirectoryName);
        Environment.SetEnvironmentVariable(nameof(workingDirectory), workingDirectory);
        _AppSettings = appSettings;
        _IsEnvironment = isEnvironment;
        _WorkingDirectory = workingDirectory;
        _ProgressBar = new() { TabIndex = 4, Location = new(5, 5), Dock = DockStyle.Top, Visible = false };
        string json = JsonSerializer.Serialize(_AppSettings, new JsonSerializerOptions { WriteIndented = true });
        _FirstTextBox = new() { TabIndex = 1, Text = _IsEnvironment.Profile, Location = new(5, 5), Dock = DockStyle.Top };
        _PathTextBox = new() { TabIndex = 2, Text = _AppSettings.WorkingDirectoryName, Location = new(5, 5), Dock = DockStyle.Top };
        _JsonTextBox = new() { TabIndex = 3, Text = json, Multiline = true, MinimumSize = new(1, 80), Location = new(5, 5), Dock = DockStyle.Top };
        Load += new EventHandler(Form1_Load);
        Controls.Add(_ProgressBar);
        Controls.Add(_JsonTextBox);
        Controls.Add(_PathTextBox);
        Controls.Add(_FirstTextBox);
    }

    void Form1_Load(object? sender, EventArgs e)
    {
        try
        {
            AllowDrop = true;
            DragDrop += new DragEventHandler(Form1_DragDrop);
            DragEnter += new DragEventHandler(Form1_DragEnter);
            _FirstTextBox.LostFocus += new EventHandler(TextBox_LostFocus);
            _PathTextBox.LostFocus += new EventHandler(TextBox_LostFocus);
        }
        catch (Exception)
        {
            throw;
        }
    }

    private static string GetConverted(string value)
    {
        string result = value.Length < 2 || value[1] != ':' ? value : value.Replace("\\\\", "/").Replace('\\', '/');
        return result;
    }

    void TextBox_LostFocus(object? sender, EventArgs e)
    {
        try
        {
            if (sender is TextBox textBox)
            {
                textBox.Text = GetConverted(textBox.Text);
                if (textBox.Text == "ps")
                    throw new NotImplementedException();

            }
        }
        catch (Exception)
        {
            throw;
        }
    }

    void Form1_DragEnter(object? sender, DragEventArgs e)
    {
        try
        {
            if (e.Data is not null && e.Data.GetDataPresent(DataFormats.FileDrop))
                e.Effect = DragDropEffects.Copy;
        }
        catch (Exception)
        {
            throw;
        }
    }

    void Form1_DragDrop(object? sender, DragEventArgs e)
    {
        try
        {
            if (e.Data is null || e.Data.GetData(DataFormats.FileDrop) is not string[] paths || paths.Length == 0)
            {
                _FirstTextBox.Text = string.Empty;
                _PathTextBox.Text = string.Empty;
                _JsonTextBox.Text = string.Empty;
            }
            else
            {
                string converted;
                FileInfo fileInfo;
                List<MatchNginx> files = [];
                DateTime dateTime = DateTime.Now;
                List<MatchNginx> directories = [];
                _FirstTextBox.Text = GetConverted(paths[0]);
                string weekOfYear = _Calendar.GetWeekOfYear(dateTime, CalendarWeekRule.FirstDay, DayOfWeek.Sunday).ToString("00");
                string directory = Path.Combine(_WorkingDirectory, $"{dateTime.Year}_{weekOfYear}");
                if (!Directory.Exists(directory))
                    _ = Directory.CreateDirectory(directory);
                _PathTextBox.Text = GetConverted(Path.Combine(directory, $"{dateTime.Ticks}.json"));
                foreach (string path in paths.OrderBy(l => l))
                {
                    fileInfo = new(path);
                    converted = GetConverted(path);
                    if (!fileInfo.Exists)
                        directories.Add(new(fileInfo.Name, "Directory", fileInfo.LastWriteTime, 0, converted));
                    else
                        files.Add(new(fileInfo.Name, "File", fileInfo.LastWriteTime, fileInfo.Length, converted));
                }
                List<MatchNginx> collection = [.. directories, .. files];
                _JsonTextBox.Text = JsonSerializer.Serialize(collection, new JsonSerializerOptions { WriteIndented = true });
                File.WriteAllText(_PathTextBox.Text, _JsonTextBox.Text);
            }
        }
        catch (Exception)
        {
            throw;
        }
    }

}