package engine

import (
	"testing"

	"github.com/local/glpi-neural-brain/internal/articlequality"
)

func TestArticleCPUQualityBetterPrefersFewerHardFailures(t *testing.T) {
	better := articlequality.Result{Score: .61, WordCount: 620, HardFailures: []string{"low_information_density"}}
	worse := articlequality.Result{Score: .70, WordCount: 700, HardFailures: []string{"article_too_short", "low_information_density"}}
	if !articleCPUQualityBetter(better, worse) {
		t.Fatal("fewer hard failures must outrank a numerically higher score")
	}
}

func TestArticleCPUQualityBetterPrefersHigherScoreWhenFailuresEqual(t *testing.T) {
	better := articlequality.Result{Score: .72, WordCount: 640, HardFailures: []string{"article_too_short"}}
	worse := articlequality.Result{Score: .66, WordCount: 700, HardFailures: []string{"article_too_short"}}
	if !articleCPUQualityBetter(better, worse) {
		t.Fatal("higher score should win when pass/fail and hard-failure count are equal")
	}
}

func TestArticleCPUQualityBetterAlwaysPrefersPassingDraft(t *testing.T) {
	better := articlequality.Result{Passed: true, Score: .60, WordCount: 600}
	worse := articlequality.Result{Passed: false, Score: .90, WordCount: 900, HardFailures: []string{"high_redundancy"}}
	if !articleCPUQualityBetter(better, worse) {
		t.Fatal("a passing draft must always outrank a failing draft")
	}
}