// AmoosedWeb.Reader example for .NET 10 on Windows x64.
// Usage: dotnet run -- https://site.example/ ./downloads [index.amwkey] [member.amwmember]
using AmoosedWeb.Reader;

if (args.Length < 2)
{
    Console.Error.WriteLine("Usage: dotnet run -- https://site.example/ ./downloads [index.amwkey] [member.amwmember]");
    return 2;
}

try
{
    var reader = new AmoosedReader(
        new Uri(args[0]),
        indexKeyFile: args.Length > 2 ? args[2] : null,
        memberKeyFile: args.Length > 3 ? args[3] : null);

    var resources = await reader.ListAsync();
    foreach (var resource in resources)
        Console.WriteLine($"{resource.Access,-7} {resource.Bytes,10} {resource.Path}");

    var candidate = resources.FirstOrDefault(resource =>
        resource.Delivery == "download" &&
        (resource.Access == "public" || args.Length > 3));
    if (candidate is null)
    {
        Console.WriteLine("No accessible download resource was listed.");
        return 0;
    }

    Directory.CreateDirectory(args[1]);
    var output = Path.Combine(args[1], Path.GetFileName(candidate.Path));
    var result = await reader.DownloadAsync(candidate.Path, output);
    Console.WriteLine($"Verified {result.Bytes} bytes, SHA-256 {result.Sha256}, saved to {result.Path}");
    return 0;
}
catch (Exception exception)
{
    Console.Error.WriteLine(exception.Message);
    return 1;
}