thesis-src/Examples/ReportGenerator/Models/ImageStats.cs

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 Stats.Select(s => s.ProcessorName).Prepend("Reference");

    // Spacer
    yield return Stats.Select(s => "---").Prepend("---");

    // Content
    foreach (var reference in Reference)
    {
      yield return Stats.SelectMany(s => s.ToRow(reference)).Prepend(reference);
    }

    // Spacer
    yield return Stats.Select(s => "---").Prepend("---");

    // Summaries
    yield return Stats
      .Select(s => s.CharacterStats.Average(s => s.CharacterError).ToString("F2"))
      .Prepend("CER (avg)");
    yield return Stats
      .Select(s => s.CharacterStats.Sum(s => s.CharacterError).ToString("F2"))
      .Prepend("CER (sum)");
    yield return Stats
      .Select(s => s.WordError.ToString("F2"))
      .Prepend("WER");
  }
}