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// 
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using System.CommandLine;
using System.CommandLine.NamingConventionBinder;

namespace Duplicati.CommandLine.SourceTool.Commands;

/// <summary>
/// The list command
/// </summary>
public static class List
{
    /// <summary>
    /// Creates the list command
    /// </summary>
    /// <returns>The command</returns>
    public static Command Create() =>
        new Command("list", "Lists all paths on the remote")
        {
            new Argument<string>("url", "The source URL") {
                Arity = ArgumentArity.ExactlyOne
            },
            new Option<int>("--max-depth", description: "The maximum depth to list", getDefaultValue: () => 0),
        }
        .WithHandler(CommandHandler.Create<string, int>(async (url, maxdepth) =>
            {
                var token = new CancellationTokenSource().Token;
                var folders = 0L;
                var files = 0L;

                using var source = await Common.GetProvider(url);
                await Common.Visit(source, maxdepth, (entry, level) =>
                {
                    if (entry.IsFolder)
                        folders++;
                    else
                        files++;
                    if (entry.IsFolder && level > 0)
                        level--;
                    if (!entry.IsRootEntry)
                        Console.WriteLine($"{new string(' ', (level + 1) * 2)}{entry.Path}");
                    return Task.FromResult(true);
                }, token);

                Console.WriteLine($"Found {folders} folders and {files} files");
            })
        );

}
