using NozCli.Repl;
using Spectre.Console;

namespace NozCli.Commands;

public class CdCommand : ICommand
{
    public string Name        => "cd";
    public string Description => "Navigate into a topic or folder";
    public string Usage       => "cd <folder> | cd .. | cd ~";

    public Task ExecuteAsync(string[] args, ReplContext ctx, CancellationToken ct = default)
    {
        var target = args.FirstOrDefault()?.TrimEnd('/');

        if (target is null or "~")
        {
            ctx.CurrentTopic   = null;
            ctx.CurrentSubPath = null;
            return Task.CompletedTask;
        }

        if (target == "..")
        {
            ctx.NavigateUp();
            return Task.CompletedTask;
        }

        if (!ctx.NavigateTo(target))
            AnsiConsole.MarkupLine($"[red]cd: {target}: no such folder[/]");

        return Task.CompletedTask;
    }
}