// Bedside module smoke tests.
// Each test navigates to the Calculators tab, opens Bedside, clicks the target
// sub-pill, and asserts a known string is rendered. Catches "button doesn't
// fire / section goes blank" regressions.

const { test, expect } = require('@playwright/test');

// Helper — open Calculators tab + Bedside panel + (optionally) a sub-pill
async function openCalculators(page) {
  await page.goto('/e2e-harness.html');
  await page.waitForFunction(() => window.__harnessReady === true);
  // Give the async innerHTML injection + JS init one more microtask tick
  await page.waitForSelector('button.calc-nav-pill[data-calc="bedside"]');
}

async function openBedside(page, subPill) {
  await openCalculators(page);
  await page.click('button.calc-nav-pill[data-calc="bedside"]');
  if (subPill) {
    await page.click(`button.calc-pill[data-em="${subPill}"]`);
  }
}

test.describe('Bedside — top-level', () => {
  test('Calculators tab shows age-weight estimator', async ({ page }) => {
    await openCalculators(page);
    await expect(page.locator('#bedside-age')).toBeVisible();
    await expect(page.locator('#bedside-formula')).toBeVisible();
    await expect(page.locator('#bedside-weight')).toBeVisible();
  });

  test('Age → Weight: typing 3y auto-fills weight (APLS)', async ({ page }) => {
    await openCalculators(page);
    await page.fill('#bedside-age', '3y');
    await expect(page.locator('#bedside-weight')).toHaveValue('14');
    await expect(page.locator('#bedside-estimate-note')).toContainText('APLS');
  });

  test('Formula switch to Best Guess updates weight', async ({ page }) => {
    await openCalculators(page);
    await page.fill('#bedside-age', '3y');
    await page.selectOption('#bedside-formula', 'bestguess');
    await expect(page.locator('#bedside-weight')).toHaveValue('16');  // 2 * (3+5) = 16
    await expect(page.locator('#bedside-estimate-note')).toContainText('Best Guess');
  });

  test('Clear button resets the estimator', async ({ page }) => {
    await openCalculators(page);
    await page.fill('#bedside-age', '5y');
    await page.click('#btn-bedside-clear');
    await expect(page.locator('#bedside-age')).toHaveValue('');
    await expect(page.locator('#bedside-weight')).toHaveValue('');
  });
});

test.describe('Bedside — every sub-pill renders', () => {
  const subPills = [
    { key: 'neonatal',     expected: /Neonatal Assessment/i },
    { key: 'airway',       expected: /Airway Management/i },
    { key: 'cardiac',      expected: /Cardiac Arrest/i },
    { key: 'respiratory',  expected: /Respiratory Management/i },
    { key: 'ventilation',  expected: /Oxygen & Ventilation/i },
    { key: 'seizure',      expected: /Status Epilepticus/i },
    { key: 'sepsis',       expected: /Sepsis & Fever/i },
    { key: 'anaphylaxis',  expected: /Anaphylaxis/i },
    { key: 'sedation',     expected: /Procedural Sedation/i },
    { key: 'agitation',    expected: /Acute Agitation/i },
    { key: 'antiemetics',  expected: /Antiemetics/i },
    { key: 'antimicrobials', expected: /Empiric Antimicrobials/i },
    { key: 'burns',        expected: /Burn Management/i },
    { key: 'toxicology',   expected: /Toxicology/i },
    { key: 'trauma',       expected: /Trauma/i },
  ];

  for (const { key, expected } of subPills) {
    test(`${key} sub-pill shows header`, async ({ page }) => {
      await openBedside(page, key);
      await expect(page.locator(`#em-${key}`)).toContainText(expected);
    });
  }
});

test.describe('Bedside — dose calculators fire', () => {
  test('Status Epilepticus: Show Pathway renders timeline with weight', async ({ page }) => {
    await openBedside(page, 'seizure');
    await page.fill('#seizure-weight', '20');
    await page.click('#btn-seizure-calc');
    await expect(page.locator('#seizure-result')).toContainText(/20 kg/);
    await expect(page.locator('#seizure-result')).toContainText(/Lorazepam/);
    await expect(page.locator('#seizure-result')).toContainText(/0\.1 mg\/kg/);  // per-kg visible
  });

  test('Sepsis: Show Approach renders Phoenix criteria + first-hour bundle', async ({ page }) => {
    await openBedside(page, 'sepsis');
    await page.fill('#sepsis-weight', '25');
    await page.click('#btn-sepsis-show');
    await expect(page.locator('#sepsis-result')).toContainText(/Phoenix/);
    await expect(page.locator('#sepsis-result')).toContainText(/first-hour/i);
  });

  test('Anaphylaxis: Calculate Doses shows weight-based epinephrine', async ({ page }) => {
    await openBedside(page, 'anaphylaxis');
    await page.fill('#anaph-weight', '25');
    await page.click('#btn-anaph-calc');
    await expect(page.locator('#anaph-result')).toContainText(/Epinephrine/);
    await expect(page.locator('#anaph-result')).toContainText(/0\.25 mg/);  // 25*0.01
  });

  test('Burns: body-parts calculator + Parkland', async ({ page }) => {
    await openBedside(page, 'burns');
    await page.fill('#burn-weight', '20');
    await page.fill('input[data-burn-region="head"]', '50');      // 50% of 13 (young) = 6.5
    await page.fill('input[data-burn-region="ant_trunk"]', '100'); // 100% of 13 = 13
    await page.click('#btn-burn-calc');
    await expect(page.locator('#burn-result')).toContainText(/Parkland/);
    await expect(page.locator('#burn-result')).toContainText(/20 kg/);
  });

  test('Airway: Calculate renders RSI drugs with per-kg', async ({ page }) => {
    await openBedside(page, 'airway');
    await page.fill('#airway-weight', '20');
    await page.fill('#airway-age', '5');
    await page.click('#btn-airway-calc');
    await expect(page.locator('#airway-result')).toContainText(/Ketamine/);
    await expect(page.locator('#airway-result')).toContainText(/mg\/kg/);  // per-kg visible
    await expect(page.locator('#airway-result')).toContainText(/ETT/);
  });
});

test.describe('Bedside — interactive widgets', () => {
  test('Lightbox: View pathway image button opens modal', async ({ page }) => {
    await openBedside(page, 'seizure');
    await page.click('button[data-img-src="/img/epilepsy_eiic_pathway.png"]');
    await expect(page.locator('#img-lightbox')).toBeVisible();
    await page.click('#img-lightbox-close');
    await expect(page.locator('#img-lightbox')).toBeHidden();
  });

  test('Ventilation: Show Reference renders pressure-time SVG', async ({ page }) => {
    await openBedside(page, 'ventilation');
    await page.fill('#vent-weight', '20');
    await page.click('#btn-vent-show');
    await expect(page.locator('#vent-result svg')).toBeVisible();
    await expect(page.locator('#vent-result')).toContainText(/Target SpO2/);
    await expect(page.locator('#vent-result')).toContainText(/PEEP/);
  });
});