// <copyright file="FileHandler.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>

using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using GeoSigma.SigmaDrawerUtil;
using UCDraw;

namespace PcgDraw
{
    public delegate void OpenRecentFile(string file, bool withZColor);

    public class FileHandler
    {
        public OpenRecentFile LoadFileEvent;
        private List<string> fileList;
        private int fileNumbers;
        private RecentFileConfig config = null;
        public FileHandler()
        {
            config = new RecentFileConfig();
            fileList = config.Files;
        }

        /// <summary>
        /// 更新最近菜单单项
        /// </summary>
        public void UpdateMenu(ToolStripSplitButton RecentFileMenu)
        {
            if (RecentFileMenu == null)
            {
                return;
            }
            // 清除当前菜单项
            RecentFileMenu.DropDownItems.Clear();
            foreach (var file in fileList)
            {
                ToolStripItem menuItem = new ToolStripMenuItem();
                menuItem.Text = file;
                menuItem.Click += (sender, e) => { LoadFileEvent?.Invoke(file, false); };
                // LoadFileEvent?.Invoke(file, false);
                RecentFileMenu.DropDownItems.Add(menuItem);
            }
        }

        public void AddRecentFile(string filePath)
        {
            config.AddTop(filePath);
            config.Save();
        }
    }
}