using System.CommandLine;
using System.Diagnostics;
using MycroForge.CLI.Commands.Interfaces;

namespace MycroForge.CLI.Commands;

public partial class MycroForge
{
    public partial class Script
    {
        public class Edit : Command, ISubCommandOf<Script>
        {
            private static readonly Argument<string> NameArgument =
                new(name: "name", description: "The name of the script");

            public Edit() : base(name: "edit", description: "Edit a script")
            {
                AddArgument(NameArgument);
                this.SetHandler(ExecuteAsync, NameArgument);
            }

            private async Task ExecuteAsync(string name)
            {
                await EditFile(name);
            }

            private static async Task EditFile(string name)
            {
                var folder = Path.Join(
                    Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".m4g"
                );

                var file = Path.Join(folder, $"{name}.py");

                if (!File.Exists(file))
                    throw new Exception($"File {file} does not exists.");

                var process = new Process
                {
                    StartInfo = new ProcessStartInfo
                    {
                        FileName = "code",
                        Arguments = $"--wait {file}",
                        WindowStyle = ProcessWindowStyle.Hidden,
                        UseShellExecute = true,
                    }
                };

                process.Start();

                await process.WaitForExitAsync();
            }
        }
    }
}