namespace ReportGenerator.Models;

internal readonly struct ImageStats
{
  public string ImageName { get; } = string.Empty;

  public ICollection<string> Reference { get; } = Array.Empty<string>();
  public ICollection<ProcessorStat> Stats { get; } = Array.Empty<ProcessorStat>();

  public ImageStats(
    string imageName,
    ICollection<string> taggedWords,
    IEnumerable<ScannedResultInfo> scanResult
  )
  {
    Reference = taggedWords;
    ImageName = imageName;
    Stats = scanResult
      .Select(t => new ProcessorStat(t.ProcessorName, taggedWords, t.GetWords()))
      .ToArray();
  }


  public IEnumerable<IEnumerable<string>> ToTable()
  {
    // Title
    yield return Reference
      .Prepend("Processor")
      .Append("WER")
      .Append("CER (avg)")
      .Append("CER (sum)");

    // Spacer
    yield return Enumerable.Range(0, Reference.Count + 4).Select(_ => "---");

    // Content
    foreach (var stat in Stats)
    {
      yield return stat.ToRow();
    }
  }
}