using System.Diagnostics;
using System.Reflection;

namespace Sonex.Library.WorkersCore;

public static partial class Worker
{
    private static string ResolveAppVersion()
    {
        Assembly assembly = Assembly.GetEntryAssembly() ?? Assembly.GetExecutingAssembly();

        string? informationalVersion = assembly
            .GetCustomAttribute<AssemblyInformationalVersionAttribute>()
            ?.InformationalVersion;

        if (!string.IsNullOrWhiteSpace(informationalVersion))
            return informationalVersion.Trim();

        string? fileVersion = assembly
            .GetCustomAttribute<AssemblyFileVersionAttribute>()
            ?.Version;

        if (!string.IsNullOrWhiteSpace(fileVersion))
            return fileVersion.Trim();

        Version? assemblyVersion = assembly.GetName().Version;
        if (assemblyVersion is not null)
            return assemblyVersion.ToString();

        string? processPath = Environment.ProcessPath;
        if (!string.IsNullOrWhiteSpace(processPath))
        {
            string? productVersion = FileVersionInfo.GetVersionInfo(processPath).ProductVersion;
            if (!string.IsNullOrWhiteSpace(productVersion))
                return productVersion.Trim();
        }

        return string.Empty;
    }
}