internal ColorContrastResult OnRowEnd()

in src/Desktop/ColorContrastAnalyzer/ColorContrastRunner.cs [71:122]
37 lines of code
10 McCabe index (conditional complexity)

        internal ColorContrastResult OnRowEnd()
        {
            ColorContrastResult result = new ColorContrastResult();

            CountMap<ColorPair> pairsWithSimilarTextColor = new CountMap<ColorPair>();

            foreach (var exactPairOuter in countExactPairs)
            {
                foreach (var exactPairInner in countExactPairs)
                {
                    if (exactPairOuter.Key.backgroundColor.Equals(exactPairInner.Key.backgroundColor))
                    {
                        if (exactPairOuter.Key.foregroundColor.IsSimilarColor(exactPairInner.Key.foregroundColor))
                        {
                            pairsWithSimilarTextColor.Increment(exactPairOuter.Key, exactPairInner.Value);
                        }
                    }
                }
            }

            var sortedByValueAndContrast = pairsWithSimilarTextColor.OrderByDescending(x => x.Value)
                .ThenByDescending(x => x.Key.ColorContrast());

            if (!sortedByValueAndContrast.Any()) return result;

            var resultPairs = new HashSet<ColorPair>();

            var firstEntryCount = sortedByValueAndContrast.First().Value;

            if (firstEntryCount < _colorContrastConfig.MinNumberColorTransitions) return result;

            var firstEntryCountAdjusted = firstEntryCount / _colorContrastConfig.TransitionCountDominanceFactor;

            foreach (var entry in sortedByValueAndContrast)
            {
                // Only Collect Pairs that have a reasonable occurence count.
                if (entry.Value < firstEntryCountAdjusted) break;

                resultPairs.Add(entry.Key);
            }

            foreach (var colorPair in resultPairs)
            {
                result.Add(colorPair);
            }

            countExactColors.Clear();

            openTransitions.Clear();

            return result;
        }