using AIProofread.core;
using System;
using System.IO;
using System.Runtime.InteropServices;

namespace AIProofread.Controls
{
    [ClassInterface(ClassInterfaceType.AutoDual)]
    [ComVisible(true)]
    public partial class FormReadme : BaseWinForm
    {
        /// <summary>
        /// 单例实例。
        /// </summary>
        private static FormReadme INSTANCE = null;
        public FormReadme()
        {
            InitializeComponent();
            // 写入缓存
            File.WriteAllText(Config.GetCurrentVersionReadmeCacheFile(), DateTime.Now.ToString("yyyy-M-d"));
        }

        /// <summary>
        /// 获取单例对象。
        /// </summary>
        public static FormReadme GetInstance(bool newInstance = true)
        {
            if (newInstance && (INSTANCE == null || INSTANCE.IsDisposed))
            {
                INSTANCE = new FormReadme();
            }
            return INSTANCE;
        }

        public void CloseAndDispose()
        {
            if (INSTANCE != null && !INSTANCE.IsDisposed)
            {
                INSTANCE.Close();
                INSTANCE = null;
            }
        }

        private void FormReadme_Load(object sender, EventArgs e)
        {
            // 初始化
            InitWebView(WebView_ReadMe, Config.WebPath("version-readme"), "version-readme", () =>
            {
                WebView_ReadMe.CoreWebView2.AddHostObjectToScript("readme", this);
            });
        }


    }
}