import { expect, test } from '@playwright/test';

/**
 * M1 — DB schema visibility checks.
 * Validates that the diagnostic endpoint reflects an applied migration and
 * that the SPA renders the resulting state in the Database card.
 */

test.describe('M1 — DB schema', () => {
  test('GET /api/v1/diag/db returns alembic revision and table count', async ({ request }) => {
    const resp = await request.get('/api/v1/diag/db');
    expect(resp.status()).toBe(200);
    const body = (await resp.json()) as {
      reachable: boolean;
      alembic_revision: string | null;
      table_count: number;
    };
    expect(body.reachable).toBe(true);
    expect(body.alembic_revision).toMatch(/^[0-9a-f]{8,}$/);
    // 26 application tables + alembic_version. Allow ≥26 to be tolerant of future migrations.
    expect(body.table_count).toBeGreaterThanOrEqual(26);
  });

  test('Database card shows the revision short-hash and the table count', async ({ page }) => {
    await page.goto('/');
    const dbCard = page.locator('h3', { hasText: /^Database$/ }).locator('..');
    // Wait for the probing state to resolve.
    await expect(dbCard).toContainText(/revision\s+[0-9a-f]{8}/i, { timeout: 10_000 });

    const count = await dbCard.getByTestId('db-table-count').innerText();
    expect(Number(count)).toBeGreaterThanOrEqual(26);

    await expect(dbCard).toContainText('Alembic head reached');
  });

  test('Roadmap card reflects M1 done', async ({ page }) => {
    await page.goto('/');
    const roadmap = page.locator('h3', { hasText: /^Roadmap$/ }).locator('..');
    // Tolerate trailing "+ M2 done" / "+ M3 done" — the contract is "M1 is past, next is named".
    await expect(roadmap).toContainText(/M1.*done/i);
    await expect(roadmap).toContainText(/Next:/i);
  });

  test('Footer mentions M1', async ({ page }) => {
    await page.goto('/');
    const footer = page.locator('footer');
    await expect(footer).toContainText(/M0\s+bootstrap/i);
    await expect(footer).toContainText(/M1\s+db\s+schema/i);
  });
});