import { describe, it, expect } from 'vitest';
import { openInMemoryForTest } from '../../src/lib/server/db';
import { runMigrations } from '../../src/lib/server/db/migrate';

describe('db migrations', () => {
  it('creates all expected tables', () => {
    const db = openInMemoryForTest();
    const tables = (
      db.prepare("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name").all() as {
        name: string;
      }[]
    ).map((r) => r.name);
    for (const t of [
      'profile',
      'recipe',
      'ingredient',
      'step',
      'tag',
      'recipe_tag',
      'rating',
      'comment',
      'favorite',
      'cooking_log',
      'allowed_domain',
      'schema_migration'
    ]) {
      expect(tables).toContain(t);
    }
  });

  it('is idempotent', () => {
    const db = openInMemoryForTest();
    const countBefore = (
      db.prepare('SELECT COUNT(*) AS c FROM schema_migration').get() as { c: number }
    ).c;
    runMigrations(db);
    const countAfter = (
      db.prepare('SELECT COUNT(*) AS c FROM schema_migration').get() as { c: number }
    ).c;
    expect(countAfter).toBe(countBefore);
  });

  it('cascades recipe delete to ingredients and steps', () => {
    const db = openInMemoryForTest();
    const row = db
      .prepare('INSERT INTO recipe(title) VALUES (?) RETURNING id')
      .get('Test') as { id: number };
    db.prepare('INSERT INTO ingredient(recipe_id, position, name) VALUES (?, ?, ?)').run(
      row.id,
      1,
      'Salz'
    );
    db.prepare('INSERT INTO step(recipe_id, position, text) VALUES (?, ?, ?)').run(
      row.id,
      1,
      'Kochen'
    );
    db.prepare('DELETE FROM recipe WHERE id = ?').run(row.id);
    const ings = db.prepare('SELECT COUNT(*) AS c FROM ingredient').get() as { c: number };
    const steps = db.prepare('SELECT COUNT(*) AS c FROM step').get() as { c: number };
    expect(ings.c).toBe(0);
    expect(steps.c).toBe(0);
  });

  it('FTS5 index finds recipes by title', () => {
    const db = openInMemoryForTest();
    db.prepare('INSERT INTO recipe(title, description) VALUES (?, ?)').run(
      'Spaghetti Carbonara',
      'Italienisches Pasta-Klassiker'
    );
    const hits = db
      .prepare("SELECT rowid FROM recipe_fts WHERE recipe_fts MATCH 'carbonara'")
      .all();
    expect(hits.length).toBe(1);
  });

  it('enforces rating stars 1..5', () => {
    const db = openInMemoryForTest();
    db.prepare('INSERT INTO profile(name) VALUES (?)').run('Hendrik');
    const r = db
      .prepare('INSERT INTO recipe(title) VALUES (?) RETURNING id')
      .get('Test') as { id: number };
    db.prepare('INSERT INTO rating(recipe_id, profile_id, stars) VALUES (?, 1, 5)').run(r.id);
    expect(() =>
      db.prepare('INSERT INTO rating(recipe_id, profile_id, stars) VALUES (?, 1, 6)').run(r.id)
    ).toThrow();
  });
});