package formula

import "testing"

func TestVerifyFrozenFormulaRefsSkipsNonFrozenRefs(t *testing.T) {
	engine := NewEngine()
	verdict, violations, err := VerifyFrozenFormulaRefs([]FrozenFormulaRef{{
		Authority:     FrozenFormulaAuthorityPackPayload,
		PackName:      "jira-like-sample",
		ComponentKind: "object_spec",
		BusinessKey:   "issue",
		ObjectAPIName: "Issue",
		FieldAPIName:  "ActiveOnly",
		FormulaMode:   "active",
		Formula:       `BLANKVALUE(Subject, "n/a")`,
	}}, engine)
	if err != nil {
		t.Fatalf("VerifyFrozenFormulaRefs err = %v, want nil", err)
	}
	if verdict != Verified {
		t.Fatalf("verdict = %v, want Verified", verdict)
	}
	if len(violations) != 0 {
		t.Fatalf("violations len = %d, want 0", len(violations))
	}
}

func TestVerifyFrozenFormulaRefsRejectsInvalidFrozenFormula(t *testing.T) {
	engine := NewEngine()
	verdict, violations, err := VerifyFrozenFormulaRefs([]FrozenFormulaRef{{
		Authority:     FrozenFormulaAuthorityPackPayload,
		PackName:      "jira-like-sample",
		ComponentKind: "object_spec",
		BusinessKey:   "issue",
		Manageability: "locked",
		ObjectAPIName: "Issue",
		FieldAPIName:  "BadFrozen",
		FormulaMode:   "frozen",
		Formula:       `VLOOKUP("ZipCode__c", "City__c", "94025")`,
	}}, engine)
	if err != nil {
		t.Fatalf("VerifyFrozenFormulaRefs err = %v, want nil", err)
	}
	if verdict != Failed {
		t.Fatalf("verdict = %v, want Failed", verdict)
	}
	if len(violations) != 1 {
		t.Fatalf("violations len = %d, want 1", len(violations))
	}
	if violations[0].ObjectAPIName != "Issue" || violations[0].FieldAPIName != "BadFrozen" {
		t.Fatalf("unexpected violation = %#v", violations[0])
	}
}

func TestVerifyFrozenFormulaRefsRequiresEngine(t *testing.T) {
	verdict, violations, err := VerifyFrozenFormulaRefs(nil, nil)
	if err == nil {
		t.Fatal("VerifyFrozenFormulaRefs err = nil, want engine error")
	}
	if verdict != Unverified {
		t.Fatalf("verdict = %v, want Unverified", verdict)
	}
	if len(violations) != 0 {
		t.Fatalf("violations len = %d, want 0", len(violations))
	}
}