GeneratorLogin/ViewModels/GeneratePageViewModel.cs

using System;
using System.Collections.Generic;
using ReactiveUI;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Input.Platform;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using MsBox.Avalonia;
using System.Windows;
using System.Text;
using System.IO;
using LoginGenerator.Models;
using System.Linq;
using System.Drawing.Imaging;
using Avalonia.Input;
using Avalonia.Media;
using System.Drawing;
using TextCopy;

namespace LoginGenerator.ViewModels
{
	public class GeneratePageViewModel : ReactiveObject
	{

        public Transliteration transliteration = new Transliteration();
        public PasswordGenerator passwordGenerator = new PasswordGenerator();

        public bool Theme = false;

        private SolidColorBrush background = new SolidColorBrush(Avalonia.Media.Color.FromRgb(236, 233, 255));

        public SolidColorBrush Background
        {
            get => background;
            set => this.RaiseAndSetIfChanged(ref background, value);
        }

        private string? fio;
        public string? FIO
        {
            get => fio;
            set => this.RaiseAndSetIfChanged(ref fio, value);
        }

        private string? login;
        public string? Login
        {
            get => login;
            set => this.RaiseAndSetIfChanged(ref login, value);
        }

        private string? pass;
        public string? Pass
        {
            get => pass;
            set => this.RaiseAndSetIfChanged(ref pass, value);
        }

        public void CopyAll_Click()
        {
            ClipboardService.SetText($"{FIO}\n{Login}\n{Pass}");
        }

        public void WriteIn()
        {
            try
            {
                if (string.IsNullOrEmpty(FIO))
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("Ïóñòîå ïîëå", "Ââåäèòå ÔÈÎ äëÿ ãåíåðàöèè äàííûõ");
                    box.ShowAsync();
                    return;
                }
                if (!CheckOnSmoothly())
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("ÔÈÎ íåïðàâèëüíîå", "ÔÈÎ äîëæíî ñîñòîÿòü èç òð¸õ ÷àñòåé (1-Ô,2-È,3-Î)");
                    box.ShowAsync();
                    return;
                }
                if (!CheckOnExisting())
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("Îøèáêà", "Ïîëüçîâàòåëü ñ òàêèì ëîãèíîì óæå ñóùåñòâóåò");
                    box.ShowAsync();
                    return;
                }
                DateTime dateTime = DateTime.Now;
                File.AppendAllText(FilePath.PATH, $"{FIO} {Login} {Pass} {dateTime.ToShortDateString()}\n");
            }
            catch (Exception) { }
        }

        public void OSurnameCopy_Click()
        {
            try
            {
                if (string.IsNullOrEmpty(FIO))
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("Ïóñòîå ïîëå", "Ââåäèòå ÔÈÎ äëÿ ãåíåðàöèè äàííûõ");
                    box.ShowAsync();
                    return;
                }
                if (!CheckOnSmoothly())
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("ÔÈÎ íåïðàâèëüíîå", "ÔÈÎ äîëæíî ñîñòîÿòü èç òð¸õ ÷àñòåé (1-Ô,2-È,3-Î)");
                    box.ShowAsync();
                    return;
                }
                string[] parts = FIO.Split(' ');
                ClipboardService.SetText(parts[0]);
            }
            catch (Exception) { }
        }

        public void ONameCopy_Click()
        {
            try
            {
                if (string.IsNullOrEmpty(FIO))
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("Ïóñòîå ïîëå", "Ââåäèòå ÔÈÎ äëÿ ãåíåðàöèè äàííûõ");
                    box.ShowAsync();
                    return;
                }
                if (!CheckOnSmoothly())
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("ÔÈÎ íåïðàâèëüíîå", "ÔÈÎ äîëæíî ñîñòîÿòü èç òð¸õ ÷àñòåé (1-Ô,2-È,3-Î)");
                    box.ShowAsync();
                    return;
                }
                string[] parts = FIO.Split(' ');
                ClipboardService.SetText(parts[1]);
            }
            catch (Exception) { }
        }

        public void OPatronymicCopy_Click()
        {
            try
            {
                if (string.IsNullOrEmpty(FIO))
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("Ïóñòîå ïîëå", "Ââåäèòå ÔÈÎ äëÿ ãåíåðàöèè äàííûõ");
                    box.ShowAsync();
                    return;
                }
                if (!CheckOnSmoothly())
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("ÔÈÎ íåïðàâèëüíîå", "ÔÈÎ äîëæíî ñîñòîÿòü èç òð¸õ ÷àñòåé (1-Ô,2-È,3-Î)");
                    box.ShowAsync();
                    return;
                }
                string[] parts = FIO.Split(' ');
                ClipboardService.SetText(parts[2]);
            }
            catch (Exception) { }
        }

        public void ONamePatronymicCopy_Click()
        {
            try
            {
                if (string.IsNullOrEmpty(FIO))
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("Ïóñòîå ïîëå", "Ââåäèòå ÔÈÎ äëÿ ãåíåðàöèè äàííûõ");
                    box.ShowAsync();
                    return;
                }
                if (!CheckOnSmoothly())
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("ÔÈÎ íåïðàâèëüíîå", "ÔÈÎ äîëæíî ñîñòîÿòü èç òð¸õ ÷àñòåé (1-Ô,2-È,3-Î)");
                    box.ShowAsync();
                    return;
                }
                string[] parts = FIO.Split(' ');
                ClipboardService.SetText(parts[1] + " " + parts[2]);
            }
            catch (Exception) { }
        }

        public void RegenLogin()
        {
            try
            {
                if (string.IsNullOrEmpty(FIO))
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("Ïóñòîå ïîëå", "Ââåäèòå ÔÈÎ äëÿ ãåíåðàöèè äàííûõ");
                    box.ShowAsync();
                    return;
                }
                if (!CheckOnSmoothly())
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("ÔÈÎ íåïðàâèëüíîå", "ÔÈÎ äîëæíî ñîñòîÿòü èç òð¸õ ÷àñòåé (1-Ô,2-È,3-Î)");
                    box.ShowAsync();
                    return;
                }
                Random r = new Random();
                string[] parts = FIO.Split(' ');
                string newTransliteration = transliteration.Execute(parts[0]) + ".";
                for (int i = 0; i < r.Next(5); i++)
                {
                    newTransliteration += transliteration.Execute(parts[1][i].ToString());
                }
                for (int i = 0; i < r.Next(1, 5); i++)
                {
                    newTransliteration += transliteration.Execute(parts[2][i].ToString());
                }
                Login = newTransliteration;
            }
            catch (Exception) { }
        }

        public void GenerateAll()
        {
            try
            {
                if (string.IsNullOrEmpty(FIO))
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("Ïóñòîå ïîëå", "Ââåäèòå ÔÈÎ äëÿ ãåíåðàöèè äàííûõ");
                    box.ShowAsync();
                    return;
                }
                if (!CheckOnSmoothly())
                {
                    var box = MessageBoxManager.GetMessageBoxStandard("ÔÈÎ íåïðàâèëüíîå", "ÔÈÎ äîëæíî ñîñòîÿòü èç òð¸õ ÷àñòåé (1-Ô,2-È,3-Î)");
                    box.ShowAsync();
                    return;
                }
                string[] parts = FIO.Split(' ');
                Login = transliteration.Execute($"{parts[0]}.{parts[1][0]}{parts[2][0]}");
                Pass = passwordGenerator.Execute();
            }
            catch (Exception) { }
        }

        public void RegenPass()
        {
            if (string.IsNullOrEmpty(FIO))
            {
                var box = MessageBoxManager.GetMessageBoxStandard("Ïóñòîå ïîëå", "Ââåäèòå ÔÈÎ äëÿ ãåíåðàöèè äàííûõ");
                box.ShowAsync();
                return;
            }
            if (!CheckOnSmoothly())
            {
                var box = MessageBoxManager.GetMessageBoxStandard("ÔÈÎ íåïðàâèëüíîå", "ÔÈÎ äîëæíî ñîñòîÿòü èç òð¸õ ÷àñòåé (1-Ô,2-È,3-Î)");
                box.ShowAsync();
                return;
            }
            Pass = passwordGenerator.Execute();
        }


        public void LoginCopy()
        {
            ClipboardService.SetText(Login);
        }

        public void PassCopy()
        {
            ClipboardService.SetText(Pass);
        }

        public bool CheckOnExisting()
        {
            string[] OneUser;
            Users u;
            string[] AllData = File.ReadAllLines(FilePath.PATH);
            if (AllData.Count() == 0)
            {
                return true;
            }
            List<Users>? newUsers = new List<Users>();
            foreach (string user in AllData)
            {
                if (!string.IsNullOrEmpty(user))
                {
                    u = new Users();
                    OneUser = user.Split(' ');
                    u.Surname = OneUser[0].ToString();
                    u.Name = OneUser[1].ToString();
                    u.Patronymic = OneUser[2].ToString();
                    u.Login = OneUser[3].ToString();
                    u.Password = OneUser[4].ToString();
                    u.DateReg = Convert.ToDateTime(OneUser[5]);
                    newUsers.Add(u);
                }
            }
            Users? maybeNew = newUsers.Where(x => x.Login == Login).FirstOrDefault();
            if (maybeNew == null)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        public bool CheckOnSmoothly()
        {
            string[] parts = FIO.Split(' ');
            if (parts.Count() != 3)
            {
                return false;
            }
            else
            {
                return true;
            }
        }

        public void SwitchTheme()
        {
            if(Theme == false)
            {
                Background = new SolidColorBrush(Avalonia.Media.Color.FromRgb(80, 80, 80));
                Theme = true;
            }
            else
            {
                Background = new SolidColorBrush(Avalonia.Media.Color.FromRgb(236, 233, 255));
                Theme = false;
            }
        }
    }
}