namespace RankingServer
{
    public class RankingService : IRankingService
    {
        private string[] ranks = {
            "Mueller Stefan,02:31:14",
            "Marti Adrian,2:30:09",
            "Kiptum Daniel,2:11:31",
            "Ancay Tarcis,2:20:02",
            "Kreibuhl Christian,2:21:47",
            "Ott Michael,2:33:48",
            "Menzi Christoph,2:27:26",
            "Oliver Ruben,2:32:12",
            "Elmer Beat,2:33:53",
            "Kuehni Martin,2:33:36"
        };

        private Lazy<List<Competitor>> competitors;

        public RankingService()
        {
            competitors = new Lazy<List<Competitor>>(
            () =>
            {
                List<Competitor> ranklingList = new List<Competitor>();
                foreach (string rank in ranks)
                {
                    string[] fields = rank.Split(',');

                    Competitor competitor = new()
                    {
                        Name = fields[0],
                        Time = fields[1]
                    };

                    ranklingList.Add(competitor);
                };
                return ranklingList;
            });
        }

        public List<Competitor> RankingList()
        {
            return competitors.Value;
        }
    }
}