using System.Collections.Generic;
using Game.Features.Console.Contracts;
using Game.Features.Console.Domain;

namespace Game.Features.Console.Application;

public sealed class CommandExecute(ICommandRegistry registry)
{
    public CommandResult Execute(string input)
    {
        if (!CommandLineParser.TryParse(input, out string name, out IReadOnlyList<string> arguments))
        {
            return CommandResult.Fail("No command entered.");
        }

        if (!registry.TryGet(name, out ICommand command))
        {
            return CommandResult.Fail($"Unknown command: {name}");
        }

        CommandResult result = CommandArgValidator.Validate(command.Args, arguments);

        return !result.Success ? result : command.Execute(new CommandArgValues(arguments));
    }
}