// See https://aka.ms/new-console-template for more information
using Serilog;
using Serilog.Events;
using System.Diagnostics;
using System.IO.Compression;
using System.Net;
using System.Text.Json;
using VeloeLauncherUpdater;

Console.WriteLine("Hello, World!");

var logger = new LoggerConfiguration()
    .MinimumLevel.Debug()
    .WriteTo.File("update.log", LogEventLevel.Debug)// restricted... is Optional
    .CreateLogger();

try
{
    FileVersionInfo fileVersionInfo = FileVersionInfo.GetVersionInfo("VeloeMinecraftLauncher.exe");

    LatestLauncherVersion latestLauncherInfo;

    using (var webClient = new HttpClient())
    {
        var jsonData = string.Empty;
        try
        {
            jsonData = webClient.GetStringAsync("https://files.veloe.link/launcher/update/versions.json").Result;
        }
        catch (Exception) 
        {
            logger.Error("Error occured on getting versions.json from the server.");
            throw;
        }

        latestLauncherInfo = string.IsNullOrEmpty(jsonData)
                    ? new LatestLauncherVersion()
                    : JsonSerializer.Deserialize<LatestLauncherVersion>(jsonData);
    }

    if (latestLauncherInfo is not null)
    {
        string[] version = latestLauncherInfo.latest.Split('.');
        logger.Information("Latest version on server: {0}", latestLauncherInfo.latest);
        string[] versionOnServer = fileVersionInfo.FileVersion.Split('.');
        logger.Information("Launcher version: {0}", fileVersionInfo.FileVersion);

        if (Int16.Parse(version[0]) > Int16.Parse(versionOnServer[0]) ||
            Int16.Parse(version[1]) > Int16.Parse(versionOnServer[1]) ||
            Int16.Parse(version[2]) > Int16.Parse(versionOnServer[2]) ||
            Int16.Parse(version[3]) > Int16.Parse(versionOnServer[3]))
        {
            WebClient webClient = new WebClient();

            try
            {
                logger.Information("Downloading latest.zip");
                webClient.DownloadFile(new System.Uri("https://files.veloe.link/launcher/update/latest.zip"), "latest.zip");
            }
            catch (Exception ex)
            {
                logger.Error("Error occured on getting latest.zip from the server.");
                throw;
            }

            logger.Information("Unpacking latest.zip");
            ZipFile.ExtractToDirectory($"latest.zip", Directory.GetCurrentDirectory(), true);

            logger.Information("Deleting latest.zip");
            File.Delete($"latest.zip");
        }
        else
        {
            logger.Information("No update required.");
        }

    }
}
catch (Exception ex)
{
    logger.Error(ex.Message);
    logger.Error("Path exe: {0}", Directory.GetCurrentDirectory());
    logger.Error(ex.StackTrace);
}