import { describe, it } from 'node:test';
import assert from 'node:assert/strict';

import { formatE911Address, formatSuite } from '../src/integrations/google.js';

// Minimal shape of the Google Address Validation response we care about.
function makeResponse(components) {
    return { result: { address: { addressComponents: components } } };
}

const fullAddress = makeResponse([
    { componentType: 'street_number', componentName: { text: '77' } },
    { componentType: 'route', componentName: { text: 'Willowbrook Rd' } },
    { componentType: 'subpremise', componentName: { text: 'Ste 2091' } },
    { componentType: 'locality', componentName: { text: 'Wayne' } },
    { componentType: 'administrative_area_level_1', componentName: { text: 'NJ' } },
    { componentType: 'postal_code', componentName: { text: '07470' } },
    { componentType: 'country', componentName: { text: 'United States' } },
]);

describe('formatE911Address', () => {
    it('flattens the address components into an E911-shaped string', () => {
        assert.equal(formatE911Address(fullAddress), '77 Willowbrook Rd, Wayne, NJ 07470');
    });

    it('tolerates missing components without crashing', () => {
        const partial = makeResponse([
            { componentType: 'street_number', componentName: { text: '10' } },
            { componentType: 'route', componentName: { text: 'Main St' } },
            { componentType: 'locality', componentName: { text: 'Anywhere' } },
        ]);
        // Missing state/zip render as empty slots; the join stays intact.
        assert.equal(formatE911Address(partial), '10 Main St, Anywhere,');
    });

    it('handles an empty component list', () => {
        // The template renders three comma-separated sections; with every
        // field empty they collapse to just the separators after trim.
        assert.equal(formatE911Address(makeResponse([])), ', ,');
    });
});

describe('formatSuite', () => {
    it('returns the subpremise text when present', () => {
        assert.equal(formatSuite(fullAddress), 'Ste 2091');
    });

    it('returns empty string when there is no subpremise', () => {
        const noSuite = makeResponse([
            { componentType: 'street_number', componentName: { text: '77' } },
            { componentType: 'route', componentName: { text: 'Willowbrook Rd' } },
        ]);
        assert.equal(formatSuite(noSuite), '');
    });
});