import { describe, expect, it } from 'vitest';
import { extractUdpPort } from '../../src/lib/server/integrations/komodo.js';

describe('extractUdpPort', () => {
    it('returns the published port from docker-compose-style object entries', () => {
        const payload = {
            state: {
                container: {
                    ports: [
                        { protocol: 'tcp', published: 3000, target: 3000 },
                        { protocol: 'udp', published: 4976, target: 28960 }
                    ]
                }
            }
        };
        expect(extractUdpPort(payload)).toBe(4976);
    });

    it('parses docker-run-style "host:container/proto" strings', () => {
        const payload = { ports: ['3074:3074/tcp', '4977:28960/udp'] };
        expect(extractUdpPort(payload)).toBe(4977);
    });

    it('picks the UDP entry even when TCP appears first', () => {
        const payload = {
            deeply: {
                nested: {
                    ports: [
                        { Protocol: 'tcp', PublishedPort: 80 },
                        { Protocol: 'udp', PublishedPort: 5555 }
                    ]
                }
            }
        };
        expect(extractUdpPort(payload)).toBe(5555);
    });

    it('returns null when no UDP mapping exists', () => {
        const payload = { ports: [{ protocol: 'tcp', published: 3000 }] };
        expect(extractUdpPort(payload)).toBeNull();
    });

    it('survives cyclic references', () => {
        const cyc: Record<string, unknown> = {};
        cyc.self = cyc;
        expect(extractUdpPort(cyc)).toBeNull();
    });
});