using qdr.app.tools.qfu.Commands.Aspects;
using Quadarax.Foundation.Core.QConsole;
using Quadarax.Foundation.Core.QConsole.Argument;
using Quadarax.Foundation.Core.QConsole.Command.Base;
using System.IO.Abstractions;

namespace qdr.app.tools.qfu.Commands
{
    abstract class BaseCmd : AbstractCommand
    {
        #region *** Properties ***
        protected string Source { get; private set; } = string.Empty;
        protected IFileSystem FileSystem => GetContext<QfuCommandContext>().FileSystem;
        #endregion

        #region *** Constructors ***
        protected BaseCmd(Engine engine) : base(engine)
        {
        }
        #endregion

        #region *** Protected Operations ***
        protected string ArgumentAsFileName(string argumentName)
        {
            var fileName = GetArgumentValueOrDefault<string>(argumentName);
            if (string.IsNullOrEmpty(fileName))
                throw new ArgumentException($"Argument '{argumentName}' is not defined or empty.", argumentName);
            return fileName;
        }
        protected void CheckSourceFileExists()
        {
            if (!FileSystem.File.Exists(Source))
                throw new ArgumentException($"Source file '{Source}' does not exist.", SourceAspect.ARG_SRC_NAME);
        }
        #endregion

        #region *** Overrides ***
        protected override IEnumerable<AbstractArgument> OnSetupArguments()
        {
            var list = base.OnSetupArguments().ToList();
           list.AddRange(SourceAspect.SetupArguments());
           return list;
        }

        protected override void OnValidateArguments()
        {
            base.OnValidateArguments();
            Source = ArgumentAsFileName(SourceAspect.ARG_SRC_NAME);
        }
        #endregion


    }
}