package runner

import "testing"

func TestNormalizedBillingEngineMode(t *testing.T) {
	t.Parallel()
	if got := normalizedBillingEngineMode(""); got != "observe" {
		t.Fatalf("empty mode = %q", got)
	}
	if got := normalizedBillingEngineMode("ENFORCE"); got != "enforce" {
		t.Fatalf("enforce mode = %q", got)
	}
	if got := normalizedBillingEngineMode("hold"); got != "hold" {
		t.Fatalf("hold mode = %q", got)
	}
}

func TestBillingItemsFixedTotalKeepsNineDecimalPlaces(t *testing.T) {
	t.Parallel()
	items := []any{
		map[string]any{"amount": "0.000000001"},
		map[string]any{"amount": float64(0.000000002)},
	}
	if got := billingItemsFixedTotal(items).String(); got != "0.000000003" {
		t.Fatalf("total = %s", got)
	}
}

func TestAcceptanceRunModesUseRealBilling(t *testing.T) {
	for _, runMode := range []string{"production", "acceptance", "acceptance_canary"} {
		if !isBillableRunMode(runMode) {
			t.Fatalf("run mode %q must be billable", runMode)
		}
	}
	if isBillableRunMode("simulation") {
		t.Fatal("simulation must remain non-billable")
	}
}