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 WindowsFormsApp1
{
    public partial class fileSearcher : Form
    {

        string lineReaderOriginal;
        string lineReaderEdited;
        string scratchPad;
        string year;
        string month;
        string day;
        string searchingFor;
        string shortList;
        String[] all = Directory.GetFiles(@"C:\Some Folder", "*.txt", SearchOption.AllDirectories);

        public fileSearcher()
        {
            InitializeComponent();
        }

        private void searchButton_Click(object sender, EventArgs e)
        {
            shortList = "";

            for (int i = 0; i < all.Length; i++)
            {
                //making the data, in the present "all" array spot, readable
                StreamReader source = new StreamReader(all[i]);
                
                while (source.Peek() != -1)
                {
                    if (searchingFor == source.ReadLine())
                    {
                        lineReaderOriginal = source.ReadLine();
                        lineReaderEdited = lineReaderOriginal;
                        
                        if (searchTextBox.Text.Length == 10)
                        {
                            year        = searchTextBox.Text.Remove(4, searchTextBox.Text.Count() - 4);
                            scratchPad  = searchTextBox.Text.Remove(0, 4);
                            scratchPad  = scratchPad.Remove(0, 1);
                            month       = scratchPad.Remove(2, scratchPad.Count() - 2);
                            day         = searchTextBox.Text.Remove(0, 8);
                            
                            if (lineReaderEdited.Length == 10)
                            {
                                if (year == lineReaderEdited.Remove(4, searchTextBox.Text.Count() - 4))
                                {
                                    
                                    scratchPad = scratchPad.Remove(2, 3);
                                    
                                    if (String.Equals(month, scratchPad))
                                    {
                                        if (String.Equals(day, lineReaderEdited.Remove(0, 8)))
                                        { 
                                            shortList += lineReaderOriginal + "\t\t" + all[i].Remove(0, 28) + Environment.NewLine + Environment.NewLine;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }

            MessageBox.Show($"{shortList}");

      
        }

        private void searchComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (searchComboBox.Text == "Commitment to Others")
            {
                searchingFor = "ctoTextBox";
            }
            else if (searchComboBox.Text == "Commitment to Self")
            {
                searchingFor = "ctsTextBox";
            }
        }
    }
}