package app

import "testing"

func TestDetectTransportOwnerLockConflicts(t *testing.T) {
	current := []TransportPolicyIntent{
		{SelectorType: "domain", SelectorValue: "example.com", ClientID: "c1"},
	}
	next := []TransportPolicyIntent{
		{SelectorType: "domain", SelectorValue: "example.com", ClientID: "c2"},
	}
	clients := []TransportClient{
		{ID: "c1", Status: TransportClientUp},
		{ID: "c2", Status: TransportClientUp},
	}

	conflicts := detectTransportOwnerLockConflicts(current, next, clients)
	if len(conflicts) != 1 {
		t.Fatalf("expected 1 conflict, got %d (%#v)", len(conflicts), conflicts)
	}
	if conflicts[0].Type != "owner_lock" {
		t.Fatalf("unexpected conflict type: %q", conflicts[0].Type)
	}
	if conflicts[0].Severity != "block" {
		t.Fatalf("unexpected conflict severity: %q", conflicts[0].Severity)
	}
}

func TestDetectTransportOwnerLockConflictsAllowsSwitchWhenPreviousOwnerDown(t *testing.T) {
	current := []TransportPolicyIntent{
		{SelectorType: "domain", SelectorValue: "example.com", ClientID: "c1"},
	}
	next := []TransportPolicyIntent{
		{SelectorType: "domain", SelectorValue: "example.com", ClientID: "c2"},
	}
	clients := []TransportClient{
		{ID: "c1", Status: TransportClientDown},
		{ID: "c2", Status: TransportClientUp},
	}

	conflicts := detectTransportOwnerLockConflicts(current, next, clients)
	if len(conflicts) != 0 {
		t.Fatalf("expected no conflicts, got %#v", conflicts)
	}
}

func TestIsTransportClientOwnerLockActive(t *testing.T) {
	if !isTransportClientOwnerLockActive(TransportClientUp) {
		t.Fatalf("up must be active")
	}
	if !isTransportClientOwnerLockActive(TransportClientStarting) {
		t.Fatalf("starting must be active")
	}
	if !isTransportClientOwnerLockActive(TransportClientDegraded) {
		t.Fatalf("degraded must be active")
	}
	if isTransportClientOwnerLockActive(TransportClientDown) {
		t.Fatalf("down must be inactive")
	}
}