using System;
using System.IO;
using System.Threading;
using System.Windows.Forms;

namespace Custom_Installer.Controls
{
    public partial class Install : UserControl
    {
        public delegate void FileSecurityEventHandler(String SavePath);
        public event FileSecurityEventHandler FinishPressed;

        public String SavePath { get; set; }
        public Boolean HasDownloaded { get; set; }
        private Boolean IsDownloading = false;

        public Install() { InitializeComponent(); }

        private void Install_Load(Object Sender, EventArgs Arguments)
        {
            HasDownloaded = false;
            if (HasDownloaded)
            {
                FileInfo ExtractInfo = new FileInfo(Program.ExtractPath);

                if (ExtractInfo.Length != Program.Server.FileSize()) { Download(); }
                else
                {
                    Download_Text.Text = "No Download Necessary";

                    Download_Progress.Value = 100;

                    Extract();
                }
            }
            else { Download(); }
        }

        private void Cancel_Click(Object Sender, EventArgs Arguments)
        {
            Boolean Answer = false;

            if (IsDownloading) { Answer = Program.Question("Are You Sure You Want To Close The Installer?{0}Please Remeber That Since You Are Not Done Downloading,{0}The Download Will Start Again When You Start This,{0}Where As If You Wait For Download To Finish,{0}It Will Extract Next Time You Start", Environment.NewLine); }
            else { Answer = Program.Question("Are You Sure You Want To Close The Installer?{0}Next Time You Start This It Will Finish Installing {1}!", Environment.NewLine, Properties.Settings.Default.Server_Name); }

            if (Answer) { Program.Shutdown(); }
        }

        private void Finish_Click(Object Sender, EventArgs Arguments) { FinishPressed(SavePath); }

        private void Download()
        {
            new Thread(() =>
            {
                IsDownloading = true;

                Download StartDownload = new Download();
                StartDownload.SavePath = Program.ExtractPath;
                StartDownload.Address = new Uri(Program.ExtractURL);
                StartDownload.Progress = Download_Progress;
                StartDownload.Information = Download_Text;
                StartDownload.StartDownload();

                while (!StartDownload.IsFinished) { Thread.Sleep(1000); }

                IsDownloading = false;

                Extract();
            }).Start();
        }

        private void Extract()
        {
            new Thread(() =>
            {
                Extract StartExtract = new Extract();
                StartExtract.FilePath = Program.ExtractPath;
                StartExtract.ExtractPath = SavePath;
                StartExtract.Progress = Install_Progress;
                StartExtract.Information = Install_Text;
                StartExtract.StartExtract();

                while (!StartExtract.IsFinished) { Thread.Sleep(1000); }

                Finish.BeginInvoke((Action)(() => { Finish.Enabled = true; }));
            }).Start();
        }

        private void Download_Text_Click(object sender, EventArgs e)
        {

        }

        private void label3_Click(object sender, EventArgs e)
        {

        }
    }
}