import { beforeEach, describe, expect, it, vi } from 'vitest';
import { listUnitPriceExpr } from '../../lib/pricing/collection-valuation.js';

vi.mock('../../lib/sql.js', () => ({ sql: { query: vi.fn() } }));
vi.mock('../../lib/permission-middleware.js', () => ({
  getUserFromRequest: vi.fn(),
}));

import { sql } from '../../lib/sql.js';
import { getUserFromRequest } from '../../lib/permission-middleware.js';
import handler from '../../pages/api/cards/owned.js';

const UNIT_PRICE_SQL = listUnitPriceExpr({ cardAlias: 'c' });

function createRes() {
  const res = {
    statusCode: 200,
    body: null,
    status(code) {
      res.statusCode = code;
      return res;
    },
    json(data) {
      res.body = data;
      return res;
    },
  };
  return res;
}

describe('GET /api/cards/owned sort', () => {
  beforeEach(() => {
    vi.clearAllMocks();
    getUserFromRequest.mockResolvedValue({ userId: 1, email: 'a@b.c', role: 'user' });
    sql.query.mockImplementation(async (queryText) => {
      if (queryText.includes('COUNT(*)')) {
        return { rows: [{ total: '0' }] };
      }
      if (queryText.includes('DISTINCT')) {
        return { rows: [] };
      }
      return { rows: [] };
    });
  });

  it('orders by effective price when sort=price&order=desc', async () => {
    const req = {
      method: 'GET',
      query: { sort: 'price', order: 'desc' },
    };
    const res = createRes();

    await handler(req, res);

    expect(res.statusCode).toBe(200);
    const cardsQueryCall = sql.query.mock.calls.find(([queryText]) =>
      queryText.includes('INNER JOIN user_cards')
    );
    expect(cardsQueryCall).toBeDefined();
    const queryText = cardsQueryCall[0];
    expect(queryText).toContain(UNIT_PRICE_SQL);
    expect(queryText).toContain('ORDER BY');
    expect(queryText).toContain('DESC');
    expect(queryText).toContain('NULLS LAST');
  });

  it('defaults to name sort when sort param is invalid', async () => {
    const req = {
      method: 'GET',
      query: { sort: 'invalid', order: 'asc' },
    };
    const res = createRes();

    await handler(req, res);

    const cardsQueryCall = sql.query.mock.calls.find(([queryText]) =>
      queryText.includes('INNER JOIN user_cards')
    );
    expect(cardsQueryCall[0]).toContain('ORDER BY c.name ASC');
  });
});