using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;

namespace NoteBook1
{
    public partial class Form1 : Form
    {
        private bool isFilePath;
        private bool isFileSave;
        private bool isDirty;

        public Form1()
        {
            InitializeComponent();
        }

        private void MenuNewFileClick(object sender, EventArgs e)
        {
            if ((isFilePath && isFileSave)|| (richTextBox1.Text == string.Empty))
            {
                richTextBox1.Text = string.Empty;
            }
            else
            {
                NewFileMessage();
            }
        }
        private void NewFileMessage()
        {
            SaveFileDialog saveAs = new SaveFileDialog();
            DialogResult dialogResult = MessageBox.Show("Do you want to save changes to file?", "My noteBook", MessageBoxButtons.YesNoCancel);
            if (DialogResult.Yes == dialogResult)
            {
                isFilePath = true;
                isFileSave = true;
                saveAs.ShowDialog();
                SaverToFile(saveAs);
                richTextBox1.Text = string.Empty;
            }
            else if (DialogResult.No == dialogResult)
            {
                richTextBox1.Text = string.Empty;
            }
            else { }
        }
        private void SaverToFile(SaveFileDialog filePass)
        {
            if (isFilePath)
            {
                using (StreamWriter saveToFile = new StreamWriter(filePass.FileName))
                {
                    saveToFile.WriteLine(richTextBox1.Text);
                }
            }
            else
            {
                NewFileMessage();
            }
        }

        private void richTextBox1_TextChanged(object sender, EventArgs e)
        {
            isDirty = true;
        }

        private void MenuOpenFileClick(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog = new OpenFileDialog();
            DialogResult dialogResult = openFileDialog.ShowDialog();
            if (DialogResult.Yes == dialogResult)
            {

            }
        }
    }
}