namespace Xylem.Common.Ui.GenesisToolBox.Infrastructure
{
    using System;
    using System.Reflection;

    internal struct ApplicationVersion
    {
        private ApplicationVersion(bool initialize)
        {
            if (initialize)
            {
                this.Assembly = System.Reflection.Assembly
                    .GetExecutingAssembly()
                    .GetName();
                this.Major = this.Assembly.Version.Major;
                this.Minor = this.Assembly.Version.Minor;
                this.Build = this.Assembly.Version.Build;
            }
            else
            {
                this.Major = default(int);
                this.Minor = default(int);
                this.Build = default(int);
                this.Assembly = default(AssemblyName);
            }
        }

        public int Major { get; }

        public int Minor { get; }

        public int Build { get; }

        public AssemblyName Assembly { get; }

        public override string ToString()
            => $"{nameof(Version)}: {this.Major}.{this.Minor}.{this.Build}";

        public static ApplicationVersion Current => new ApplicationVersion(true);

        public static implicit operator string(ApplicationVersion assemblyVersion)
            => assemblyVersion.ToString();
    }
}