using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Kreta.Core;

namespace Kreta.BusinessLogic.VersionInfo
{
    public class VersionInfoHelper
    {
        /// <summary>
        /// Gets the filtered assembly information.
        /// </summary>
        /// <returns></returns>
        public static Dictionary<string, string> GetFilteredAssemblyInformation()
        {
            var result = new Dictionary<string, string>();

            Assembly targetAssembly = Assembly.GetExecutingAssembly();

            var targetVersion = targetAssembly.GetName().Version.ToString();

            result.Add(Constants.Version.BuildVersion, targetVersion);

            var targetAssemblyAttributes = targetAssembly.GetCustomAttributes().OfType<AssemblyMetadataAttribute>();

            result.Add(Constants.Version.BranchName, targetAssemblyAttributes.SingleOrDefault(x => x.Key == Constants.Version.BranchName)?.Value ?? Constants.Version.NotAvailable);

            result.Add(Constants.Version.BuildDateTimeUtc, targetAssemblyAttributes.SingleOrDefault(x => x.Key == Constants.Version.BuildDateTimeUtc)?.Value ?? Constants.Version.NotAvailable);

            result.Add(Constants.Version.CommitNumber, targetAssemblyAttributes.SingleOrDefault(x => x.Key == Constants.Version.CommitNumber)?.Value ?? Constants.Version.NotAvailable);

            return result;
        }
    }
}