/**
 * Unit tests for the import-enrichment match selector (#886).
 * Covers PENRICH-001 to PENRICH-004 — the coordinate-validation guard that
 * prevents a name search from overwriting an imported place with the wrong POI.
 */
import { describe, it, expect, vi } from 'vitest';

// placeEnrichment pulls in the DB, websocket and maps service at import time;
// stub them so the pure match selector can be tested in isolation.
vi.mock('../../../src/db/database', () => ({ db: {}, getPlaceWithTags: () => null }));
vi.mock('../../../src/websocket', () => ({ broadcast: () => {} }));
vi.mock('../../../src/services/mapsService', () => ({
  getMapsKey: () => null,
  searchPlaces: async () => ({ places: [], source: 'none' }),
  getPlacePhoto: async () => ({ photoUrl: '', attribution: null }),
}));

import { pickEnrichmentMatch } from '../../../src/services/placeEnrichment';

const target = { lat: 48.85, lng: 2.35 };

describe('pickEnrichmentMatch', () => {
  it('PENRICH-001: picks the closest Google candidate within the radius', () => {
    const candidates = [
      { google_place_id: 'far', lat: 48.8512, lng: 2.3512 }, // ~170 m
      { google_place_id: 'near', lat: 48.85, lng: 2.35 }, // exact
    ];
    const match = pickEnrichmentMatch(candidates, target);
    expect(match?.google_place_id).toBe('near');
  });

  it('PENRICH-002: returns null when every candidate is beyond the radius', () => {
    const candidates = [{ google_place_id: 'A', lat: 48.86, lng: 2.36 }]; // ~1.2 km
    expect(pickEnrichmentMatch(candidates, target)).toBeNull();
  });

  it('PENRICH-003: ignores candidates without a google_place_id (e.g. OSM results)', () => {
    const candidates = [
      { google_place_id: null, lat: 48.85, lng: 2.35 },
      { name: 'no id', lat: 48.85, lng: 2.35 },
    ];
    expect(pickEnrichmentMatch(candidates, target)).toBeNull();
  });

  it('PENRICH-004: ignores candidates with non-numeric coordinates', () => {
    const candidates = [{ google_place_id: 'A', lat: 'x', lng: 'y' }];
    expect(pickEnrichmentMatch(candidates as never, target)).toBeNull();
  });
});