using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.IO;
using System.Linq;
using McMaster.Extensions.CommandLineUtils;

namespace KattekerCreator
{
    [Command(Name = "KattekerCreator", Description = "Creates Installation and Update packages.")]
    [HelpOption("-?")]
    public partial class Program
    {
        private string _changeLog;
        private string _programFile;
        private string _outputDir;

        [Argument(0, Description = "Path to the program file")]
        [FileExists]
        [Required]
        private string ProgramFile
        {
            get => _programFile;
            set => _programFile = Path.GetFullPath(value);
        }

        [Option("-L|--changelog", Description = "Path of the changelog file")]
        private string ChangeLog
        {
            get => _changeLog;
            set => _changeLog = Path.GetFullPath(value);
        }

        [Option("-C|--channel", Description = "Channel of releasing")]
        private string Channel { get; set; }

        [Option("-O|--output", Description = "Directory for the output")]
        [Required]
        private string OutputDir
        {
            get => _outputDir;
            set => _outputDir = Path.GetFullPath(value);
        }

        [Option("-P|--publish", Description = "Path for output from the point of view of the application")]
        private string PublishDir { get; set; }

        [Option("-V|--version", Description = "Override version number of the application")]
        private string Version { get; set; }

        [Option("-F|--filter", Description = "Filter parameter. Use minimatch pattern.")]
        private string FilterAsString { get; set; }

        private IEnumerable<string> Filter => string.IsNullOrWhiteSpace(FilterAsString) ? Enumerable.Empty<string>() : FilterAsString.Split(';');
    }
}