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

const BASE = 'https://eetdagboek.vantwout.dev';

test.describe('Karby Eetdagboek', () => {

  test('page loads with correct title and elements', async ({ page }) => {
    await page.goto(BASE);
    await expect(page).toHaveTitle('Karby');
    await expect(page.locator('.search-input')).toBeVisible();
    await expect(page.locator('.cat-btn').first()).toBeVisible();
    await expect(page.locator('#navZoeken')).toBeVisible();
    await expect(page.locator('#navDagboek')).toBeVisible();
    await expect(page.locator('#navMaaltijden')).toBeVisible();
  });

  test('search returns results and opens detail modal', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('.search-input').fill('aardappel');
    await page.waitForTimeout(800);
    const results = page.locator('.food-item');
    await expect(results.first()).toBeVisible({ timeout: 5000 });
    await results.first().click();
    await expect(page.locator('#detailModal')).not.toHaveClass(/hidden/, { timeout: 5000 });
    await page.locator('#detailModal .modal-close').click();
    await expect(page.locator('#detailModal')).toHaveClass(/hidden/, { timeout: 3000 });
  });

  test('category filters work', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('.cat-btn').filter({ hasText: 'Brood' }).click();
    await page.waitForTimeout(500);
    const activeBtn = page.locator('.cat-btn.active');
    await expect(activeBtn).toBeVisible();
  });

  test('add item to diary via eetmoment flow', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('.search-input').fill('brood');
    await page.waitForTimeout(800);
    await page.locator('.food-item').first().click();
    await page.waitForTimeout(500);
    await expect(page.locator('#detailAddBtn')).toBeVisible({ timeout: 3000 });
  });

  test('diary tab shows date navigation', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('#navDagboek').click();
    await page.waitForTimeout(500);
    await expect(page.locator('.day-navigator')).toBeVisible({ timeout: 3000 });
    await expect(page.locator('.day-nav-btn').first()).toBeVisible();
    await expect(page.locator('.day-nav-today')).toBeVisible();
  });

  test('settings modal opens', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('#settingsBtn').click();
    await page.waitForTimeout(500);
    await expect(page.locator('#settingsModal')).not.toHaveClass(/hidden/, { timeout: 3000 });
    await page.locator('#settingsModal .modal-close').click();
    await expect(page.locator('#settingsModal')).toHaveClass(/hidden/, { timeout: 2000 });
  });

  test('maaltijden tab shows saved meals section', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('#navMaaltijden').click();
    await page.waitForTimeout(500);
    await expect(page.locator('#tabMaaltijden')).toBeVisible();
  });

  test('contrast: key elements have visible colors', async ({ page }) => {
    await page.goto(BASE);
    const navBtns = page.locator('.nav-btn');
    const count = await navBtns.count();
    expect(count).toBeGreaterThan(0);
    for (let i = 0; i < count; i++) {
      const color = await navBtns.nth(i).evaluate(el => getComputedStyle(el).color);
      expect(color).not.toBe('rgba(0, 0, 0, 0)');
    }
  });

  // ========== NIEUWE TESTS — portie-steppers, animaties, maaltijden, datumkiezer, meal-groups ==========

  // ---------- Stepper: basis ----------

  test('portion stepper: steppers appear in addMealModal with first count=1', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('.search-input').fill('brood');
    await page.waitForTimeout(800);
    await page.locator('.food-item').first().click();
    await page.waitForTimeout(500);
    // Open add-to-meal modal (hier zitten de steppers)
    await page.locator('#detailAddBtn').click();
    await page.waitForTimeout(500);
    const steppers = page.locator('.portie-stepper');
    await expect(steppers.first()).toBeVisible({ timeout: 3000 });
    expect(await steppers.count()).toBeGreaterThan(0);
    // Eerste stepper heeft count=1
    await expect(steppers.first().locator('.portie-stepper-count')).toHaveText('1');
  });

  test('portion stepper: plus op tweede activeert die en reset eerste naar 0', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('.search-input').fill('brood');
    await page.waitForTimeout(800);
    await page.locator('.food-item').first().click();
    await page.waitForTimeout(500);
    await page.locator('#detailAddBtn').click();
    await page.waitForTimeout(500);
    const steppers = page.locator('.portie-stepper');
    const count = await steppers.count();
    if (count < 2) { test.skip(); return; }
    // + op tweede stepper
    await steppers.nth(1).locator('.portie-stepper-plus').click();
    await page.waitForTimeout(100);
    // Eerste moet 0 zijn (gereset)
    await expect(steppers.first().locator('.portie-stepper-count')).toHaveText('0');
    // Tweede moet 1 zijn
    await expect(steppers.nth(1).locator('.portie-stepper-count')).toHaveText('1');
  });

  test('portion stepper: minus verlaagt count naar 0 en wordt dan disabled', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('.search-input').fill('brood');
    await page.waitForTimeout(800);
    await page.locator('.food-item').first().click();
    await page.waitForTimeout(500);
    await page.locator('#detailAddBtn').click();
    await page.waitForTimeout(500);
    const firstStepper = page.locator('.portie-stepper').first();
    // Default count = 1
    await expect(firstStepper.locator('.portie-stepper-count')).toHaveText('1');
    // Minus klikken → 0
    await firstStepper.locator('.portie-stepper-minus').click();
    await expect(firstStepper.locator('.portie-stepper-count')).toHaveText('0');
    // Minus moet nu disabled zijn (niet negatief)
    await expect(firstStepper.locator('.portie-stepper-minus')).toBeDisabled();
  });

  test('portion stepper: active class na plus/minus toggles', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('.search-input').fill('brood');
    await page.waitForTimeout(800);
    await page.locator('.food-item').first().click();
    await page.waitForTimeout(500);
    await page.locator('#detailAddBtn').click();
    await page.waitForTimeout(500);
    const firstStepper = page.locator('.portie-stepper').first();
    // active class is pas aanwezig na updatePortionFromSteppers (triggered door +/-)
    // Eerst: plus klikken om active te krijgen
    await firstStepper.locator('.portie-stepper-plus').click();
    await page.waitForTimeout(100);
    await expect(firstStepper).toHaveClass(/active/);
    // Minus naar 0 → active verliezen
    await firstStepper.locator('.portie-stepper-minus').click();
    await expect(firstStepper).not.toHaveClass(/active/);
  });

  // ---------- Modal animaties ----------

  test('modal close animation: closing class applied during dismiss', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('#settingsBtn').click();
    await page.waitForTimeout(500);
    await expect(page.locator('#settingsModal')).not.toHaveClass(/hidden/);
    await page.locator('#settingsModal .modal-close').click();
    await page.waitForTimeout(50);
    await expect(page.locator('#settingsModal')).toHaveClass(/closing/);
    await page.waitForTimeout(600);
    await expect(page.locator('#settingsModal')).toHaveClass(/hidden/);
  });

  test('modal open animation: fadeIn en slideUp CSS animations gestart', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('#settingsBtn').click();
    await page.waitForTimeout(100);
    const overlay = page.locator('#settingsModal');
    await expect(overlay).toBeVisible();
    await expect(overlay).not.toHaveClass(/closing/);
    // .modal-overlay heeft animation: fadeIn
    const overlayAnim = await overlay.evaluate(el => getComputedStyle(el).animationName);
    expect(overlayAnim).toBe('fadeIn');
    // .modal-sheet heeft animation: slideUp
    const sheet = overlay.locator('.modal-sheet');
    const sheetAnim = await sheet.evaluate(el => getComputedStyle(el).animationName);
    expect(sheetAnim).toBe('slideUp');
    // Sluiten voor opschoning
    await page.locator('#settingsModal .modal-close').click();
    await page.waitForTimeout(500);
  });

  test('tab switching: switching class verschijnt tijdens crossfade', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('#navDagboek').click();
    await page.waitForTimeout(100);
    const tabEl = page.locator('#tabDagboek');
    await expect(tabEl).toHaveClass(/switching/);
    await page.waitForTimeout(500);
    await expect(tabEl).toBeVisible();
  });

  // ---------- Maaltijden ----------

  test('meal save: name input is empty by default', async ({ page }) => {
    await page.goto(BASE);
    // Zoek + open detail
    await page.locator('.search-input').fill('brood');
    await page.waitForTimeout(800);
    await page.locator('.food-item').first().click();
    await page.waitForTimeout(500);
    // Toevoegen aan eetmoment
    await page.locator('#detailAddBtn').click();
    await page.waitForTimeout(500);
    // Terug naar dagboek (sluit addMealModal eerst)
    await page.locator('#addMealModal .modal-close').click();
    await page.waitForTimeout(300);
    // Sluit detail modal
    await page.locator('#detailModal .modal-close').click();
    await page.waitForTimeout(300);
    // Naar dagboek tab
    await page.locator('#navDagboek').click();
    await page.waitForTimeout(600);
    // Zoek save-meal btn en klik
    const saveBtn = page.locator('.save-meal-btn');
    if (await saveBtn.count() === 0) {
      test.skip('geen items in dagboek');
      return;
    }
    await saveBtn.first().click();
    await page.waitForTimeout(500);
    const nameInput = page.locator('#mealNameInput');
    await expect(nameInput).toBeVisible({ timeout: 5000 });
    // Naamveld moet leeg zijn
    await expect(nameInput).toHaveValue('');
    // Annuleren
    await page.locator('#mealNameCancel').click();
    await page.waitForTimeout(300);
  });

  test('meal save: empty name toont rode rand en modal blijft open', async ({ page }) => {
    await page.goto(BASE);
    // Zoek + open detail
    await page.locator('.search-input').fill('brood');
    await page.waitForTimeout(800);
    await page.locator('.food-item').first().click();
    await page.waitForTimeout(500);
    // Toevoegen aan eetmoment
    await page.locator('#detailAddBtn').click();
    await page.waitForTimeout(500);
    // Sluit addMealModal
    await page.locator('#addMealModal .modal-close').click();
    await page.waitForTimeout(300);
    // Sluit detail modal
    await page.locator('#detailModal .modal-close').click();
    await page.waitForTimeout(300);
    // Naar dagboek
    await page.locator('#navDagboek').click();
    await page.waitForTimeout(600);
    // Opslaan als maaltijd
    const saveBtn = page.locator('.save-meal-btn');
    if (await saveBtn.count() === 0) {
      test.skip('geen items in dagboek');
      return;
    }
    await saveBtn.first().click();
    await page.waitForTimeout(500);
    const nameInput = page.locator('#mealNameInput');
    await expect(nameInput).toBeVisible({ timeout: 5000 });
    await expect(nameInput).toHaveValue('');
    // Opslaan zonder naam
    await page.locator('#mealNameSave').click();
    await page.waitForTimeout(300);
    // Modal moet nog open zijn (niet gesloten)
    await expect(nameInput).toBeVisible();
    // Input border moet rood zijn (validation)
    const borderColor = await nameInput.evaluate(el => getComputedStyle(el).borderColor);
    const rgb = borderColor.match(/\d+/g).map(Number);
    expect(rgb[0]).toBeGreaterThan(150);  // R > 150
    expect(rgb[1]).toBeLessThan(100);     // G < 100
    expect(rgb[2]).toBeLessThan(100);     // B < 100
    // Annuleren
    await page.locator('#mealNameCancel').click();
    await page.waitForTimeout(300);
  });

  // ---------- Datumkiezer ----------

  test('date navigator: next/prev verandert datum en today reset', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('#navDagboek').click();
    await page.waitForTimeout(500);
    const initialDay = await page.locator('#dayLabel').textContent();
    // Next day (tweede .day-nav-btn)
    const nextBtn = page.locator('.day-nav-btn').nth(1);
    await nextBtn.click();
    await page.waitForTimeout(300);
    const nextDay = await page.locator('#dayLabel').textContent();
    expect(nextDay).not.toBe(initialDay);
    // Today reset
    await page.locator('.day-nav-today').click();
    await page.waitForTimeout(300);
    const todayDay = await page.locator('#dayLabel').textContent();
    expect(todayDay).toBe(initialDay);
  });

  // ---------- Zoek animaties ----------

  test('zoektab: food items krijgen staggered animation indices', async ({ page }) => {
    await page.goto(BASE);
    await page.locator('.search-input').fill('k');
    await page.waitForTimeout(800);
    const items = page.locator('.food-item');
    const count = await items.count();
    if (count >= 2) {
      const i0 = await items.first().evaluate(el => el.style.getPropertyValue('--i'));
      expect(i0.trim()).toBe('0');
      const i1 = await items.nth(1).evaluate(el => el.style.getPropertyValue('--i'));
      expect(i1.trim()).toBe('1');
    }
  });

  test('button press: buttons hebben transition transform bij indrukken', async ({ page }) => {
    await page.goto(BASE);
    const btn = page.locator('button').first();
    const transition = await btn.evaluate(el => getComputedStyle(el).transition);
    expect(transition).toBeTruthy();
    expect(transition).toContain('transform');
  });

  // ---------- Meal-group uitklappen in dagboek ----------

  test('meal-group uitklappen: saved meal toggles expand/collapse in dagboek', async ({ page }) => {
    await page.goto(BASE);
    // Stap 1: Zoek voedingsmiddel
    await page.locator('.search-input').fill('brood');
    await page.waitForTimeout(800);
    await page.locator('.food-item').first().click();
    await page.waitForTimeout(500);
    // Stap 2: Voeg toe aan eetmoment
    await page.locator('#detailAddBtn').click();
    await page.waitForTimeout(500);
    // Sluit addMealModal
    await page.locator('#addMealModal .modal-close').click();
    await page.waitForTimeout(300);
    // Sluit detail modal (anders overlay intercepteert nav knoppen)
    await page.locator('#detailModal .modal-close').click();
    await page.waitForTimeout(300);
    // Stap 3: Naar dagboek
    await page.locator('#navDagboek').click();
    await page.waitForTimeout(600);
    // Stap 4: Opslaan als maaltijd
    const saveBtn = page.locator('.save-meal-btn');
    if (await saveBtn.count() === 0) {
      test.skip('geen items in dagboek — kan geen maaltijd opslaan');
      return;
    }
    await saveBtn.first().click();
    await page.waitForTimeout(500);
    // Stap 5: Naam invullen en opslaan
    const nameInput = page.locator('#mealNameInput');
    await expect(nameInput).toBeVisible({ timeout: 5000 });
    await nameInput.fill('Test ontbijt');
    await page.locator('#mealNameSave').click();
    await page.waitForTimeout(600);
    // De meal wordt opgeslagen, toast verschijnt
    // Stap 6: Ga terug naar dagboek om meal-group te zien
    await page.locator('#navDagboek').click();
    await page.waitForTimeout(800);
    // Stap 7: Zoek de meal-group
    const mealGroup = page.locator('.eetmoment-meal-group').first();
    await expect(mealGroup).toBeVisible({ timeout: 5000 });
    // Stap 8: Items-wrap begint collapsed (hidden class)
    const itemsWrap = mealGroup.locator('.eetmoment-meal-items-wrap');
    await expect(itemsWrap).toHaveClass(/hidden/);
    // Stap 9: Klik op header om uit te klappen
    const header = mealGroup.locator('.eetmoment-meal-header');
    await header.click();
    await page.waitForTimeout(300);
    await expect(itemsWrap).not.toHaveClass(/hidden/);
    // Chevron moet naar boven wijzen
    const chevronUp = header.locator('i.fa-chevron-up');
    await expect(chevronUp).toBeVisible();
    // Stap 10: Klik opnieuw om in te klappen
    await header.click();
    await page.waitForTimeout(300);
    await expect(itemsWrap).toHaveClass(/hidden/);
    const chevronDown = header.locator('i.fa-chevron-down');
    await expect(chevronDown).toBeVisible();
  });

});