using Microsoft.Win32;
using System;
using System.ComponentModel;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace TextEditor
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }


        private async Task<StringBuilder[]> Limpar(string[] split)
        {
            var stringBuilder = new StringBuilder();


            var task = Task.Factory.StartNew(() =>
            {
                for (int x = 1; x < split.Length; x += 2)
                {
                    stringBuilder.AppendLine($"{split[x]}");
                }
                return stringBuilder;
            });


            return await Task.WhenAll(task);
        }

        private async Task<StringBuilder[]> Convert(string original, string[] limpo)
        {
            var stringBuilder = new StringBuilder();
            var task = Task.Factory.StartNew(() =>
            {
                string[] stringSeparators = new string[] { "\r\n" };
                string[] lines = original.Split(stringSeparators, StringSplitOptions.None);
                if (lines.Length == 1)
                {
                    stringSeparators = new string[] { "\n" };
                    lines = original.Split(stringSeparators, StringSplitOptions.None);
                }

                string[] splitTemp;
                int count = 0;
                for (int x = 0; x < lines.Length; x++)
                {
                    string line = lines[x];
                    splitTemp = line.Split('"');
                    for (int i = 1; i < splitTemp.Length; i += 2)
                    {
                        if (splitTemp[i] == "") continue;
                        string toReplace = splitTemp[i];
                        string replace = limpo[count];
                        line = line.Replace(toReplace, replace);
                        count++;
                    }
                    stringBuilder.AppendLine(line);
                }
                return stringBuilder;
            });

            return await Task.WhenAll(task);
        }

        private void Image_MouseEnter(object sender, System.Windows.Input.MouseEventArgs e)
        {
            btn1.Visibility = Visibility.Collapsed;
        }

        private void Btn2_MouseLeave(object sender, System.Windows.Input.MouseEventArgs e)
        {
            btn1.Visibility = Visibility.Visible;
        }

        private void BtnExportar_Click(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            SaveFileDialog dialog = new SaveFileDialog()
            {
                Filter = "Text Files(*.txt)|*.txt|All(*.*)|*"
            };

            if (dialog.ShowDialog() == true)
            {
                File.WriteAllText(dialog.FileName, txtFinal.Text, Encoding.GetEncoding(1252));
            }
        }

        private async void BtnImportar_Click(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*";
            if (openFileDialog.ShowDialog() == true)
            {
                var teste = openFileDialog.FileName;

                txtTextoOriginal.Clear();

                txtTextoOriginal.Text = (File.ReadAllText(openFileDialog.FileName, Encoding.GetEncoding(1252)));
            }

            var split = txtTextoOriginal.Text.Split('"');

            txtLimpo.Clear();

            var t = await Limpar(split);
            txtLimpo.AppendText(t[0].ToString());
        }

        private async void BtnVisualizar_Click(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            txtFinal.Clear();

            var tScheduler = TaskScheduler.FromCurrentSynchronizationContext();

            string[] stringSeparators = new string[] { "\r\n" };

            string[] split = txtLimpo.Text.Split(stringSeparators, StringSplitOptions.None);

            split = split.Where(val => val != "").ToArray();

            var t = await Convert(txtTextoOriginal.Text, split);

            txtFinal.AppendText(t[0].ToString());
        }

        private void Image_MouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            Close();
        }

        private void Image_MouseDown_1(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            SaveFileDialog dialog = new SaveFileDialog()
            {
                Filter = "Text Files(*.txt)|*.txt|All(*.*)|*"
            };

            if (dialog.ShowDialog() == true)
            {
                File.WriteAllText(dialog.FileName, txtLimpo.Text, Encoding.GetEncoding(1252));
            }
        }

        private void Image_MouseDown_2(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            MessageBox.Show("[Aviso]\n \rEsse Programa é Particular e não é permitido a venda, se você não comprou com o FROST, você esta sendo enganado.\n \rVocê pode denunciar o infrator e vamos beneficiar seu servidor com bons recursos exclusivos, veja nosso site.");
            Process.Start("http://frost.4poring.com");
        }
    }
}