import { expect, test } from 'bun:test';
import {
  parseRestoreMarkerPhase,
  RESTORE_MARKER_CONFIRMATION,
  SYNTHETIC_CHARACTER_ID_MIN,
  validateRestoreMarkerTarget,
  validateRestoreMarkerWrite,
} from '../src/lib/server/restore-marker';

test('restore marker defaults to a non-writing verification phase', () => {
  expect(parseRestoreMarkerPhase(undefined)).toBe('verify');
  expect(parseRestoreMarkerPhase('')).toBe('verify');
});

test('restore marker rejects non-loopback targets before any backend call', () => {
  expect(() => validateRestoreMarkerTarget(undefined)).toThrow('required');
  expect(() => validateRestoreMarkerTarget('https://production.example.test')).toThrow('loopback');
  expect(() => validateRestoreMarkerTarget('http://192.0.2.10:3210')).toThrow('loopback');
  expect(validateRestoreMarkerTarget('http://127.0.0.1:3210').hostname).toBe('127.0.0.1');
  expect(SYNTHETIC_CHARACTER_ID_MIN).toBeGreaterThan(2_000_000_000);
});

test('restore marker requires explicit disposable confirmation for writes', () => {
  expect(() => validateRestoreMarkerWrite({ phase: 'write', allowWrite: undefined, confirmation: undefined })).toThrow('SMOKE_ALLOW_WRITE');
  expect(() => validateRestoreMarkerWrite({ phase: 'write', allowWrite: '1', confirmation: 'wrong' })).toThrow('RESTORE_MARKER_CONFIRMATION');
  expect(() => validateRestoreMarkerWrite({ phase: 'write', allowWrite: '1', confirmation: RESTORE_MARKER_CONFIRMATION })).not.toThrow();
  expect(() => validateRestoreMarkerWrite({ phase: 'verify', allowWrite: undefined, confirmation: undefined })).not.toThrow();
});