int displayError(string err)
{
    Console.WriteLine($"Dumper error: {err}");
    Console.WriteLine("Press any key to exit");
    Console.ReadKey();
    return 1;
}

Console.WriteLine("Dumper start");
var dumper = new Dumper();

bool hasInitialized = await dumper.InitAsync();
if (!hasInitialized) return displayError("Dumper.InitAsync failed");

Console.WriteLine("Dumper initialized");

var dumpTasks = new (Func<string?> dumpFunc, string filename, string description)[]
{
    (dumper.DumpCustomizationItems, "customizations.json", "customizations"),
    (dumper.DumpItems, "items.json", "items"),
    (dumper.DumpAddons, "addons.json", "addons"),
    (dumper.DumpOfferings, "offerings.json", "offerings"),
    (dumper.DumpPerks, "perks.json", "perks"),
    (dumper.DumpDLCs, "dlcs.json", "dlcs")
};

foreach (var (dumpFunc, filename, description) in dumpTasks)
{
    string? json = dumpFunc();
    if (json != null)
    {
        File.WriteAllText(filename, json);
        Console.WriteLine($"Dumped {description}");
    }
    else
        Console.WriteLine($"Failed to dump {description}");
}

Console.WriteLine("Dumper finished");
return 0;