@{/*

k 
    Run klr commands in your project. Executes k sdk.

kVersion='0.0.1-pre-30109-087'
    May be passed to override the nuget package version holding xunit console runner.

kProgram='...'
    May be passed to override the path to the xunit program that will be executed

command=''

prefetch='true'
    May be passed if fetching k from nuget is required before running

*/}

default prefetch='${true}'

nuget-install package='ProjectK' outputDir='packages' extra='-pre' once='ProjectK-NuGet' if='prefetch'

@{
    Func<string, long> getVersion = version => {
        var dash = version.LastIndexOf('-');

        if(dash != -1)
        {
            var lastToken = version.Substring(dash + 1);

            if(lastToken.StartsWith("t"))
            {
                return Int64.Parse(lastToken.Substring(1));
            }

            return Int64.Parse(lastToken);
        } 
        return Int64.MaxValue;
    };

    string packagesDir = Path.Combine(Directory.GetCurrentDirectory(), "packages"),
           projectKDir = Directory.EnumerateDirectories(packagesDir, "ProjectK*")
                                  .OrderByDescending(getVersion)
                                  .First();
    
}

default kProgram='${projectKDir}/tools/k.cmd'
exec program='${Path.GetFullPath(kProgram)}' commandline='${command}'