import { mkdtemp, rm } from 'node:fs/promises';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { afterEach, beforeEach, describe, expect, it } from 'vitest';
import { CatalogDatabase } from '../src/database/store.js';

let dir = '';

beforeEach(async () => {
  dir = await mkdtemp(join(tmpdir(), 'nlc-db-'));
});

afterEach(async () => {
  await rm(dir, { force: true, recursive: true });
});

describe('CatalogDatabase', () => {
  it('creates the catalog schema', () => {
    const db = new CatalogDatabase(join(dir, 'catalog.sqlite'));
    db.migrate();

    expect(db.tableNames()).toEqual([
      'dead_links',
      'issues',
      'link_occurrences',
      'links',
      'newsletters',
      'runs',
      'sponsors'
    ]);

    db.close();
  });

  it('persists catalog payloads and deduplicates canonical URLs', () => {
    const db = new CatalogDatabase(join(dir, 'catalog.sqlite'));
    db.migrate();
    db.saveCatalogRun({
      mode: 'test',
      newslettersProcessed: 2,
      linksExtracted: 2,
      sponsorCount: 1,
      deadLinkCount: 1,
      errors: 0,
      rows: [
        {
          'Issue Date': '2026-05-17',
          Category: 'JavaScript',
          'Link URL': 'https://example.com/post',
          Title: 'First mention',
          Description: 'One',
          'Page Title + Meta': '',
          'Source Newsletter': 'Alpha Weekly',
          'Also In': ''
        },
        {
          'Issue Date': '2026-05-18',
          Category: 'DevOps',
          'Link URL': 'https://example.com/post',
          Title: 'Second mention',
          Description: 'Two',
          'Page Title + Meta': '',
          'Source Newsletter': 'Beta Weekly',
          'Also In': ''
        }
      ],
      sponsors: [
        {
          Newsletter: 'Alpha Weekly',
          Sponsor: 'Acme',
          Link: 'https://sponsor.example',
          Description: 'Sponsor blurb'
        }
      ],
      deadLinks: [
        { URL: 'https://dead.example', Status: '404', Source: 'Alpha Weekly', Date: '2026-05-17' }
      ]
    });

    expect(db.count('links')).toBe(3);
    expect(db.count('link_occurrences')).toBe(2);
    expect(db.count('newsletters')).toBe(2);
    expect(db.count('issues')).toBe(2);
    expect(db.count('sponsors')).toBe(1);
    expect(db.count('dead_links')).toBe(1);
    expect(db.count('runs')).toBe(1);

    db.close();
  });
});