package growth

import "testing"

func TestRankEventPrefersMerchantFitAndHistoricalEvidence(t *testing.T) {
	base := Event{ImportanceBPS: 8_000, ConfidenceBPS: 9_000, Categories: []string{"فروشگاه"}, Tags: []string{"وب‌سایت"}, LeadDays: 14, CommercialPosture: "PROMOTE"}
	strong := RankEvent(base, RankInput{MerchantTerms: []string{"فروشگاه", "وب‌سایت"}, WithinPreparationWindow: true, HistoricalUpliftBPS: 12_000, HistoricalEligible: true})
	weak := RankEvent(base, RankInput{MerchantTerms: []string{"نامرتبط"}})
	if strong.ScoreBPS <= weak.ScoreBPS {
		t.Fatalf("merchant fit and history must increase rank: strong=%d weak=%d", strong.ScoreBPS, weak.ScoreBPS)
	}
	if len(strong.Factors) < 3 {
		t.Fatalf("rank factors = %+v, want actionable factors", strong.Factors)
	}
}

func TestRankEventNeverPromotesMourningOrNoPromotionEvents(t *testing.T) {
	for _, event := range []Event{{CommercialPosture: "NO_PROMOTION"}, {CommercialPosture: "PROMOTE", Tone: "MOURNING"}} {
		if got := RankEvent(event, RankInput{WithinPreparationWindow: true}); got.Promotable {
			t.Fatalf("event %+v is promotable", event)
		}
	}
}