using Microsoft.Win32;
using System;
using System.IO;
using System.Windows.Forms;

namespace AutoUpdater
{
    public partial class MainForm : Form
    {
        private VersionObject versionObject = null;

        public MainForm(VersionObject vobject)
        {
            InitializeComponent();

            this.versionObject = vobject;
          
            this.labelUpdate.Text = string.Format(this.labelUpdate.Text , versionObject.NewVersionNum);
            this.labelDescription.Text = string.Format(this.labelDescription.Text ,versionObject.VersionNum);
            this.updateInfo.Text = versionObject.UploadLog;

            this.buttonSkip.Visible = (versionObject.ForceUpload==0);

        }
        
        private void buttonUpdate_Click(object sender , EventArgs e)
        {
            Global.Instance.isUpdate = versionObject.HasNew;
            Global.Instance.CurrentVersion = versionObject.VersionNum;
            Global.Instance.NewVersion = versionObject.NewVersionNum;
            Global.Instance.StartApplication = versionObject.StartApplication;
            
            var urls = new DownloadURLCollection();
            string dest = Path.Combine(AppDomain.CurrentDomain.BaseDirectory , @"update\");
            var url = versionObject.DfsAccessDomain + "/" + versionObject.UploadFile;

            urls.Add(new DownloadURL(url , dest));

            Global.Instance.Urls = urls;
            Global.Instance.DownloadPath = dest;

            var downloadFileName = versionObject.UploadFile.Substring(versionObject.UploadFile.LastIndexOf('/') + 1);

            Global.Instance.DownloadFileName = downloadFileName;
            
            this.DialogResult = DialogResult.OK;

        }

        protected override void WndProc(ref Message m)
        {
            const int WM_SYSCOMMAND = 0x0112;
            const int SC_CLOSE = 0xF060;
            if (m.Msg == WM_SYSCOMMAND && (int)m.WParam == SC_CLOSE)
            {
                if(versionObject.ForceUpload == 1)
                {
                    return;
                }
            }
            base.WndProc(ref m);
        }

        private void buttonSkip_Click(object sender , EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
        }
    }
    
}