using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml.Linq;

namespace Click_to_Call_Tray
{
    public class UpdateCheck
    {
        private static string GetLatestReleaseTag()
        {
            try
            {
                using (var client = new HttpClient())
                {
                    var url = $"https://git.jan.sx/api/v1/repos/krjan02/Click-to-Call-Tray/releases/latest";
                    var response = client.GetStringAsync(url).Result;
                    var json = JObject.Parse(response);
                    return json["tag_name"].ToString();
                }
            } catch(Exception p) 
            {
                return "0.0";
            }
        }

        public static string GetCurrentVersion()
        {
            System.Reflection.Assembly assembly = System.Reflection.Assembly.GetExecutingAssembly();
            System.Diagnostics.FileVersionInfo fvi = System.Diagnostics.FileVersionInfo.GetVersionInfo(assembly.Location);
            return fvi.FileVersion;
        }

        private static bool IsVersionLower(string currentVersion, string releaseVersion)
        {
            Version current = Version.Parse(currentVersion);
            Version release = Version.Parse(releaseVersion);

            return current.CompareTo(release) < 0;
        }

        public static bool CheckUpdate()
        {
            var CurrentVersion = GetCurrentVersion();
            var LatestVersion = GetLatestReleaseTag();

            if (IsVersionLower(CurrentVersion, LatestVersion))
            {
                DialogResult dialogResult = MessageBox.Show("" +
                    String.Format("Version {0} is available. You are running {1}" +
                    "\nDo you want to Update now?", LatestVersion, CurrentVersion),
                    "Click-to-Call-Tray Updater", MessageBoxButtons.YesNo);
                if (dialogResult == DialogResult.Yes)
                {
                    System.Diagnostics.Process.Start("https://git.jan.sx/krjan02/Click-to-Call-Tray/releases/latest");
                }
                return true;
            }
            return false;
        }
    }
}