using AcDream.App.Plugins;
using AcDream.App.Rendering;
using AcDream.Core.Plugins;
using Serilog;

Log.Logger = new LoggerConfiguration()
    .MinimumLevel.Debug()
    .WriteTo.Console()
    .CreateLogger();

var datDir = args.FirstOrDefault() ?? Environment.GetEnvironmentVariable("ACDREAM_DAT_DIR");
if (string.IsNullOrWhiteSpace(datDir))
{
    Log.Error("usage: AcDream.App <dat-directory>  (or set ACDREAM_DAT_DIR)");
    return 2;
}

var host = new AppPluginHost(new SerilogAdapter(Log.Logger));

var pluginsDir = Path.Combine(AppContext.BaseDirectory, "plugins");
Log.Information("scanning plugins in {PluginsDir}", pluginsDir);

var loaded = new List<LoadedPlugin>();
foreach (var result in PluginDiscovery.Scan(pluginsDir))
{
    if (!result.Success)
    {
        Log.Warning("plugin discovery failed for {Dir}: {Error}", result.PluginDirectory, result.Error);
        continue;
    }

    var loadResult = PluginLoader.Load(result.PluginDirectory, result.Manifest!, host);
    if (!loadResult.Success)
    {
        Log.Warning("plugin load failed for {Id}: {Error}", result.Manifest!.Id, loadResult.Error);
        continue;
    }

    loaded.Add(loadResult);
    Log.Information("loaded plugin {Id} ({DisplayName})", result.Manifest!.Id, result.Manifest.DisplayName);
}

try
{
    foreach (var plugin in loaded)
    {
        try { plugin.Plugin!.Enable(); }
        catch (Exception ex) { Log.Error(ex, "plugin enable failed: {Id}", plugin.Manifest.Id); }
    }

    using var window = new GameWindow(datDir);
    window.Run();
}
finally
{
    foreach (var plugin in loaded)
    {
        try { plugin.Plugin!.Disable(); }
        catch (Exception ex) { Log.Error(ex, "plugin disable failed: {Id}", plugin.Manifest.Id); }
    }
    Log.CloseAndFlush();
}

return 0;