package ucca

import "testing"

func TestClassifyRole(t *testing.T) {
	tests := []struct {
		name string
		r    LegalSearchResult
		want string
	}{
		{"NIST -> control_standard", LegalSearchResult{RegulationShort: "NIST SP 800-82r3", ArticleLabel: "AU-8"}, roleControlStandard},
		{"OWASP -> control_standard", LegalSearchResult{RegulationShort: "OWASP ASVS"}, roleControlStandard},
		{"CRA Anhang -> operational_requirement", LegalSearchResult{RegulationShort: "CRA", ArticleLabel: "CRA Anhang I", Category: "regulation"}, roleOperationalReq},
		{"CRA Meldepflicht -> procedural_requirement", LegalSearchResult{RegulationShort: "CRA", ArticleLabel: "Art. 14 CRA Meldepflicht", Category: "regulation"}, roleProceduralReq},
		{"ENISA Good Practices -> implementation_guidance", LegalSearchResult{RegulationShort: "ENISA Supply Chain Good Practices"}, roleImplGuidance},
		{"EDPB Leitlinie -> interpretation", LegalSearchResult{RegulationShort: "EDPB DPO", ArticleLabel: "WP243 Leitlinien Datenschutzbeauftragte"}, roleInterpretation},
		{"DORA article -> obligation", LegalSearchResult{RegulationShort: "DORA", ArticleLabel: "Art. 5 DORA", Category: "regulation"}, roleObligation},
		{"DSGVO Begriffsbestimmungen -> definition", LegalSearchResult{RegulationShort: "DSGVO", ArticleLabel: "Art. 4 DSGVO Begriffsbestimmungen", Category: "regulation"}, roleDefinition},
		{"recital -> definition", LegalSearchResult{RegulationShort: "CRA", IsRecital: true}, roleDefinition},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := classifyRole(tt.r); got != tt.want {
				t.Errorf("classifyRole() = %q, want %q", got, tt.want)
			}
		})
	}
}

func TestApplyControlRoles_PoolPreference(t *testing.T) {
	// op_req > procedural > control_standard > impl_guidance; non-control roles get no boost.
	roles := []struct {
		r        LegalSearchResult
		wantGain float64
	}{
		{LegalSearchResult{ArticleLabel: "CRA Anhang I", Category: "regulation"}, controlPoolGain + 0.100},
		{LegalSearchResult{ArticleLabel: "Art. 14 CRA Meldepflicht", Category: "regulation"}, controlPoolGain + 0.075},
		{LegalSearchResult{RegulationShort: "NIST SP 800-53"}, controlPoolGain + 0.050},
		{LegalSearchResult{RegulationShort: "ENISA Good Practices"}, controlPoolGain + 0.000},
		{LegalSearchResult{ArticleLabel: "Art. 5 DORA", Category: "regulation"}, 0.0}, // obligation: no boost
	}
	for _, rc := range roles {
		out := []LegalSearchResult{rc.r}
		out[0].Score = 1.0
		applyControlRoles(out)
		if got := out[0].Score - 1.0; got < rc.wantGain-1e-9 || got > rc.wantGain+1e-9 {
			t.Errorf("role %q: gain %.3f, want %.3f", classifyRole(rc.r), got, rc.wantGain)
		}
	}
}