// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

#nullable disable

using System.CommandLine;
using Microsoft.DotNet.Cli.CommandLine;
using Microsoft.DotNet.Cli.Extensions;

namespace Microsoft.DotNet.Cli.Commands.Hidden.Parse;

public class ParseCommand
{
    public static int Run(ParseResult result)
    {
        result.HandleDebugSwitch();

        var tokens = result.Tokens.Skip(1).Select(t => t.Value).ToArray();
        var reparsed = Parser.Parse(tokens);
        Console.WriteLine(reparsed.ToString());

        if (reparsed.UnmatchedTokens.Any())
        {
            Console.WriteLine("Unmatched Tokens: ");
            Console.WriteLine(string.Join(" ", reparsed.UnmatchedTokens));
        }

        var definition = (ParseCommandDefinition)reparsed.CommandResult.Command;
        var optionValuesToBeForwarded = reparsed.OptionValuesToBeForwarded(definition);
        if (optionValuesToBeForwarded.Any())
        {
            Console.WriteLine("Option values to be forwarded: ");
            Console.WriteLine(string.Join(" ", optionValuesToBeForwarded));
        }
        if (reparsed.Errors.Any())
        {
            Console.WriteLine();
            Console.WriteLine("ERRORS");
            Console.WriteLine();
            foreach (var error in reparsed.Errors)
            {
                Console.WriteLine(error?.Message);
            }
        }

        return 0;
    }
}