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;

namespace ShortcutUtil
{
    public partial class SearchForm : Form
    {
        public SearchForm()
        {
            InitializeComponent();
        }

        private List<string> allOptions = new List<string>();
        private List<Tuple<string, int>> displayOptions = new List<Tuple<string, int>>();

        public T GetSelection<T>(string title, string optionsName, List<Tuple<T, string>> options) where T : class
        {
            allOptions = options.Select(s => s.Item2).ToList();

            Text = title;
            optionsLabel.Text = optionsName;

            if (searchBox.Text != "")
            {
                searchBox.Text = "";
            }
            else
            {
                UpdateDisplay();
            }

            if (ShowDialog() == DialogResult.OK && optionsList.SelectedIndex >= 0 && optionsList.SelectedIndex < displayOptions.Count)
            {
                return options[displayOptions[optionsList.SelectedIndex].Item2].Item1;
            }

            return null;
        }

        private void UpdateDisplay()
        {
            string search = searchBox.Text.Trim().ToLower();
            displayOptions = allOptions.Select((s, index) => new Tuple<string, int>(s, index)).Where(s => s.Item1.ToLower().Contains(search)).ToList();

            optionsList.Items.Clear();
            optionsList.Items.AddRange(displayOptions.Select(o => o.Item1).ToArray());
        }

        private void searchBox_TextChanged(object sender, EventArgs e)
        {
            UpdateDisplay();
        }
    }
}