diff --git a/src/public/borne/assets/js/page-product-menu.js b/src/public/borne/assets/js/page-product-menu.js new file mode 100644 index 0000000..7ceb13e --- /dev/null +++ b/src/public/borne/assets/js/page-product-menu.js @@ -0,0 +1,702 @@ +/* + * page-product-menu.js — Multi-step menu composer for the Wakdo kiosk. + * + * Imported by page-product.js only when the loaded product has type === 'menu'. + * Keeping the composer in its own module avoids bloating page-product.js and + * makes future unit-testing of the composition logic straightforward. + * + * Steps: + * 1 — Burger selection + personalisation options (sans oignon / avec fromage) + * 2 — Accompagnement (frites or salades) + taille toggle + * 3 — Boisson + taille toggle + * 4 — Sauce + * 5 — Recap + "Ajouter au panier" + * + * Price rule: grande taille = +50 centimes per sized item (accompagnement + boisson). + * + * A11y: role=dialog, aria-modal=true, focus-trap (Tab cycles inside the modal), + * ESC closes/cancels, focus is moved to the first interactive element on each step. + */ + +import { getProductsByCategory } from './data.js'; +import { addToCart, computeMenuLineCents, formatPrice } from './state.js'; +import { refreshCartBadge } from './nav.js'; + +const SUPPLEMENT_GRANDE_CENTS = 50; +const TOTAL_STEPS = 5; + +/* ------------------------------------------------------------------ */ +/* Public entry-point — called from page-product.js */ +/* ------------------------------------------------------------------ */ + +/** + * Initialises and opens the menu composer modal. + * Fetches required category products, builds the initial state, then renders. + * + * @param {Object} menu — product object with type === 'menu' + * @param {string} returnCategory — category slug to redirect to after add/cancel + */ +export async function openMenuComposer(menu, returnCategory) { + let burgers, frites, salades, boissons, sauces; + try { + [burgers, frites, salades, boissons, sauces] = await Promise.all([ + getProductsByCategory('burgers'), + getProductsByCategory('frites'), + getProductsByCategory('salades'), + getProductsByCategory('boissons'), + getProductsByCategory('sauces') + ]); + } catch (err) { + console.error('Menu composer: failed to load category products', err); + return; + } + + const accompagnements = [...frites, ...salades]; + + /* Heuristic pre-selection: if the menu name contains a burger name, pre-select it. + * "Menu CBO" -> first burger whose nom equals "CBO". + * Fallback: first burger in the list. */ + const menuNameUpper = menu.nom.toUpperCase(); + const preselectedBurger = + burgers.find(b => menuNameUpper.includes(b.nom.toUpperCase())) ?? burgers[0] ?? null; + + /* Composer internal state — single mutable object, re-read on each render. */ + const state = { + currentStep: 1, + menu, + returnCategory, + burgers, + accompagnements, + boissons, + sauces, + /* Selections */ + burger: preselectedBurger, + burgerOptions: [], // subset of ['sans-oignon', 'avec-fromage'] + accompagnement: accompagnements[0] ?? null, + accompTaille: 'N', // 'N' or 'G' + boisson: boissons[0] ?? null, + boissonTaille: 'N', + sauce: sauces[0] ?? null + }; + + const modal = buildModalShell(menu); + document.body.appendChild(modal); + modal.removeAttribute('hidden'); + + /* Prevent background scroll while composer is open. */ + document.body.style.overflow = 'hidden'; + + renderStep(modal, state); + trapFocus(modal); + + /* ESC closes the modal and returns to product list. */ + const escHandler = (e) => { + if (e.key === 'Escape') { + cancelComposer(modal, returnCategory, escHandler); + } + }; + document.addEventListener('keydown', escHandler); +} + +/* ------------------------------------------------------------------ */ +/* Modal shell builder */ +/* ------------------------------------------------------------------ */ + +function buildModalShell(menu) { + const overlay = document.createElement('div'); + overlay.className = 'composer-overlay'; + overlay.setAttribute('role', 'dialog'); + overlay.setAttribute('aria-modal', 'true'); + overlay.setAttribute('aria-labelledby', 'composer-title'); + overlay.hidden = true; + + overlay.innerHTML = ` +
+
+

${escHtml(menu.nom)}

+
+ Etape 1 / ${TOTAL_STEPS} +
+
+
+
+
+
+ +
+ +
+ `; + return overlay; +} + +/* ------------------------------------------------------------------ */ +/* Step renderer — decides which step to paint */ +/* ------------------------------------------------------------------ */ + +function renderStep(modal, state) { + const body = modal.querySelector('#composer-body'); + const footer = modal.querySelector('#composer-footer'); + const stepEl = modal.querySelector('#composer-step-indicator'); + const fillEl = modal.querySelector('#composer-progress-fill'); + + stepEl.textContent = `Etape ${state.currentStep} / ${TOTAL_STEPS}`; + fillEl.style.width = `${(state.currentStep / TOTAL_STEPS) * 100}%`; + + /* Each step renderer returns {bodyHTML, canAdvance()} and may attach + * its own event listeners after DOM insertion. */ + switch (state.currentStep) { + case 1: renderStep1(body, footer, modal, state); break; + case 2: renderStep2(body, footer, modal, state); break; + case 3: renderStep3(body, footer, modal, state); break; + case 4: renderStep4(body, footer, modal, state); break; + case 5: renderStep5(body, footer, modal, state); break; + } + + /* Move focus to the first interactive element so keyboard users and + * screen readers start at the right place after each step transition. */ + requestAnimationFrame(() => { + const first = modal.querySelector( + 'button:not([disabled]), input:not([disabled]), [tabindex="0"]' + ); + if (first) first.focus(); + }); +} + +/* ------------------------------------------------------------------ */ +/* Step 1 — Burger + personalisation options */ +/* ------------------------------------------------------------------ */ + +function renderStep1(body, footer, modal, state) { + body.innerHTML = ` +

Choisissez votre burger

+ + +
+ Personnalisation + + +
+ `; + + /* Burger card selection */ + body.querySelectorAll('#burger-grid .composer-card').forEach(btn => { + btn.addEventListener('click', () => { + const id = parseInt(btn.dataset.id, 10); + state.burger = state.burgers.find(b => b.id === id) ?? state.burger; + /* Update pressed states without full re-render to preserve scroll position */ + body.querySelectorAll('#burger-grid .composer-card').forEach(b => { + const active = parseInt(b.dataset.id, 10) === state.burger.id; + b.classList.toggle('composer-card--selected', active); + b.setAttribute('aria-pressed', active ? 'true' : 'false'); + }); + }); + }); + + /* Personalisation checkboxes */ + body.querySelectorAll('input[name="burger-opt"]').forEach(cb => { + cb.addEventListener('change', () => { + state.burgerOptions = Array.from( + body.querySelectorAll('input[name="burger-opt"]:checked') + ).map(el => el.value); + }); + }); + + renderFooter(footer, modal, state, { + canAdvance: () => state.burger !== null + }); +} + +/* ------------------------------------------------------------------ */ +/* Step 2 — Accompagnement + taille toggle */ +/* ------------------------------------------------------------------ */ + +function renderStep2(body, footer, modal, state) { + body.innerHTML = ` +

Choisissez votre accompagnement

+ + ${renderTailleToggle('accomp', state.accompTaille)} + `; + + body.querySelectorAll('#accomp-grid .composer-card').forEach(btn => { + btn.addEventListener('click', () => { + const id = parseInt(btn.dataset.id, 10); + state.accompagnement = state.accompagnements.find(a => a.id === id) ?? state.accompagnement; + body.querySelectorAll('#accomp-grid .composer-card').forEach(b => { + const active = parseInt(b.dataset.id, 10) === state.accompagnement.id; + b.classList.toggle('composer-card--selected', active); + b.setAttribute('aria-pressed', active ? 'true' : 'false'); + }); + }); + }); + + attachTailleToggle(body, 'accomp', state, 'accompTaille'); + + renderFooter(footer, modal, state, { + canAdvance: () => state.accompagnement !== null + }); +} + +/* ------------------------------------------------------------------ */ +/* Step 3 — Boisson + taille toggle */ +/* ------------------------------------------------------------------ */ + +function renderStep3(body, footer, modal, state) { + body.innerHTML = ` +

Choisissez votre boisson

+ + ${renderTailleToggle('boisson', state.boissonTaille)} + `; + + body.querySelectorAll('#boisson-grid .composer-card').forEach(btn => { + btn.addEventListener('click', () => { + const id = parseInt(btn.dataset.id, 10); + state.boisson = state.boissons.find(b => b.id === id) ?? state.boisson; + body.querySelectorAll('#boisson-grid .composer-card').forEach(b => { + const active = parseInt(b.dataset.id, 10) === state.boisson.id; + b.classList.toggle('composer-card--selected', active); + b.setAttribute('aria-pressed', active ? 'true' : 'false'); + }); + }); + }); + + attachTailleToggle(body, 'boisson', state, 'boissonTaille'); + + renderFooter(footer, modal, state, { + canAdvance: () => state.boisson !== null + }); +} + +/* ------------------------------------------------------------------ */ +/* Step 4 — Sauce */ +/* ------------------------------------------------------------------ */ + +function renderStep4(body, footer, modal, state) { + body.innerHTML = ` +

Choisissez votre sauce

+ + `; + + body.querySelectorAll('#sauce-grid .composer-card').forEach(btn => { + btn.addEventListener('click', () => { + const id = parseInt(btn.dataset.id, 10); + state.sauce = state.sauces.find(s => s.id === id) ?? state.sauce; + body.querySelectorAll('#sauce-grid .composer-card').forEach(b => { + const active = parseInt(b.dataset.id, 10) === state.sauce.id; + b.classList.toggle('composer-card--selected', active); + b.setAttribute('aria-pressed', active ? 'true' : 'false'); + }); + }); + }); + + renderFooter(footer, modal, state, { + canAdvance: () => state.sauce !== null + }); +} + +/* ------------------------------------------------------------------ */ +/* Step 5 — Recap + add to cart */ +/* ------------------------------------------------------------------ */ + +function renderStep5(body, footer, modal, state) { + const supplement = computeSupplement(state); + const baseItem = buildCartItem(state, supplement); + const totalLine = computeMenuLineCents(baseItem); + + const optionsText = state.burgerOptions.length + ? state.burgerOptions.map(o => o === 'sans-oignon' ? 'sans oignon' : 'avec fromage').join(', ') + : null; + + body.innerHTML = ` +

Recapitulatif de votre menu

+ +
+ Menu de base : ${formatPrice(state.menu.prix_cents ?? state.menu.prix)} + ${supplement > 0 ? `Supplement grande(s) taille(s) : +${formatPrice(supplement)}` : ''} + Total : ${formatPrice(totalLine)} +
+ `; + + footer.innerHTML = ` +
+ + + +
+ `; + + footer.querySelector('#composer-cancel').addEventListener('click', () => { + cancelComposer(modal, state.returnCategory, null); + }); + + footer.querySelector('#composer-prev').addEventListener('click', () => { + state.currentStep--; + renderStep(modal, state); + }); + + footer.querySelector('#composer-add').addEventListener('click', () => { + addToCart(baseItem); + refreshCartBadge(); + closeComposer(modal); + window.location.href = `products.html?category=${state.returnCategory}`; + }); +} + +/* ------------------------------------------------------------------ */ +/* Footer renderer (steps 1-4) */ +/* ------------------------------------------------------------------ */ + +/** + * Renders the navigation footer for steps 1 through 4. + * @param {HTMLElement} footer + * @param {HTMLElement} modal + * @param {Object} state + * @param {{ canAdvance: () => boolean }} opts + */ +function renderFooter(footer, modal, state, opts) { + const isFirst = state.currentStep === 1; + + footer.innerHTML = ` +
+ + ${!isFirst ? ` + ` : ''} + +
+ `; + + footer.querySelector('#composer-cancel').addEventListener('click', () => { + cancelComposer(modal, state.returnCategory, null); + }); + + if (!isFirst) { + footer.querySelector('#composer-prev').addEventListener('click', () => { + state.currentStep--; + renderStep(modal, state); + }); + } + + footer.querySelector('#composer-next').addEventListener('click', () => { + if (!opts.canAdvance()) return; + state.currentStep++; + renderStep(modal, state); + }); +} + +/* ------------------------------------------------------------------ */ +/* Taille toggle — shared between accompagnement and boisson steps */ +/* ------------------------------------------------------------------ */ + +/** + * Generates the HTML for the Normale/Grande toggle. + * @param {string} prefix — 'accomp' or 'boisson', used for IDs + * @param {'N'|'G'} currentTaille + * @returns {string} + */ +function renderTailleToggle(prefix, currentTaille) { + return ` +
+ + +
+ `; +} + +/** + * Attaches click handlers to the taille toggle buttons and keeps state in sync. + * @param {HTMLElement} body + * @param {string} prefix + * @param {Object} state + * @param {'accompTaille'|'boissonTaille'} stateKey + */ +function attachTailleToggle(body, prefix, state, stateKey) { + body.querySelectorAll('.composer-taille__btn').forEach(btn => { + btn.addEventListener('click', () => { + state[stateKey] = btn.dataset.taille; + body.querySelectorAll('.composer-taille__btn').forEach(b => { + const active = b.dataset.taille === state[stateKey]; + b.classList.toggle('composer-taille__btn--active', active); + b.setAttribute('aria-pressed', active ? 'true' : 'false'); + }); + }); + }); +} + +/* ------------------------------------------------------------------ */ +/* Cart item assembly + supplement calculation */ +/* ------------------------------------------------------------------ */ + +/** + * Counts how many grande-taille choices were made (0, 1, or 2). + * @param {Object} state + * @returns {number} centimes + */ +function computeSupplement(state) { + let suppl = 0; + if (state.accompTaille === 'G') suppl += SUPPLEMENT_GRANDE_CENTS; + if (state.boissonTaille === 'G') suppl += SUPPLEMENT_GRANDE_CENTS; + return suppl; +} + +/** + * Builds the cart item object from the current composer state. + * prix_cents is the base menu price; supplement_cents accumulates size upgrades. + * + * @param {Object} state + * @param {number} supplement + * @returns {Object} + */ +function buildCartItem(state, supplement) { + /* Support both raw produits.json field (prix) and normalised (prix_cents) */ + const prixCents = state.menu.prix_cents ?? state.menu.prix; + + return { + id: state.menu.id, + type: 'menu', + categorie: 'menus', + libelle: state.menu.nom, + prix_cents: prixCents, + quantite: 1, + image: state.menu.image, + supplement_cents: supplement, + composition: { + burger: { + id: state.burger.id, + libelle: state.burger.nom, + options: [...state.burgerOptions] + }, + accompagnement: { + id: state.accompagnement.id, + libelle: state.accompagnement.nom, + categorie: state.accompagnement.categorie ?? 'frites', + taille: state.accompTaille + }, + boisson: { + id: state.boisson.id, + libelle: state.boisson.nom, + taille: state.boissonTaille + }, + sauce: { + id: state.sauce.id, + libelle: state.sauce.nom + } + } + }; +} + +/* ------------------------------------------------------------------ */ +/* Focus trap */ +/* ------------------------------------------------------------------ */ + +/** + * Traps Tab / Shift+Tab inside the modal container. + * The handler is attached to the modal element itself; it is removed + * automatically when the modal is removed from the DOM. + */ +function trapFocus(modal) { + modal.addEventListener('keydown', (e) => { + if (e.key !== 'Tab') return; + + const focusable = Array.from(modal.querySelectorAll( + 'button:not([disabled]), input:not([disabled]), [tabindex="0"]' + )).filter(el => !el.closest('[hidden]')); + + if (!focusable.length) return; + + const first = focusable[0]; + const last = focusable[focusable.length - 1]; + + if (e.shiftKey) { + if (document.activeElement === first) { + e.preventDefault(); + last.focus(); + } + } else { + if (document.activeElement === last) { + e.preventDefault(); + first.focus(); + } + } + }); +} + +/* ------------------------------------------------------------------ */ +/* Close helpers */ +/* ------------------------------------------------------------------ */ + +function closeComposer(modal) { + modal.remove(); + document.body.style.overflow = ''; +} + +function cancelComposer(modal, returnCategory, escHandler) { + if (escHandler) { + document.removeEventListener('keydown', escHandler); + } + closeComposer(modal); + window.location.href = `products.html?category=${returnCategory}`; +} + +/* ------------------------------------------------------------------ */ +/* Utilities */ +/* ------------------------------------------------------------------ */ + +/** + * Minimal HTML escaping to prevent XSS when injecting product names/paths + * into innerHTML. Applied to all data-derived strings. + */ +function escHtml(str) { + return String(str) + .replace(/&/g, '&') + .replace(//g, '>') + .replace(/"/g, '"') + .replace(/'/g, '''); +} diff --git a/src/public/borne/assets/js/page-product.js b/src/public/borne/assets/js/page-product.js index 4f78a06..d345e1f 100644 --- a/src/public/borne/assets/js/page-product.js +++ b/src/public/borne/assets/js/page-product.js @@ -2,11 +2,14 @@ * page-product.js — Product detail screen. * * Reads ?id=&category= from the query string. - * For menus (type === 'menu'): shows a fixed composition note rather than - * a detailed breakdown — the school JSON does not include composition data. - * Decision: composition_libre_pour_MVP=non (fixed menu composition message). * - * After "Ajouter au panier": + * Branch on product type: + * - type === 'menu' → open the multi-step composer modal (page-product-menu.js). + * The standard detail layout is bypassed because a menu + * cannot be added to the cart without composition choices. + * - type === 'produit' → render the standard detail card with "Ajouter au panier". + * + * After "Ajouter au panier" (simple product): * 1. Item added to cart via state.addToCart() * 2. Button changes to "Ajoute !" for 1 second (visual feedback) * 3. Redirect to products.html?category= @@ -15,6 +18,7 @@ import { findProduct } from './data.js'; import { addToCart, formatPrice } from './state.js'; import { refreshCartBadge } from './nav.js'; +import { openMenuComposer } from './page-product-menu.js'; const params = new URLSearchParams(window.location.search); const productId = parseInt(params.get('id'), 10); @@ -43,7 +47,13 @@ async function renderProduct() { document.title = `Wakdo - ${product.nom}`; - const isMenu = product.type === 'menu'; + if (product.type === 'menu') { + /* Hide the standard product detail area; the composer will overlay the page. + * The container stays in the DOM so the skeleton does not flash. */ + container.hidden = true; + await openMenuComposer(product, categorySlug); + return; + } container.innerHTML = `
@@ -57,7 +67,6 @@ async function renderProduct() {

${product.nom}

${formatPrice(product.prix)}

- ${isMenu ? renderMenuComposition() : ''}
- `; -} - function showError(msg) { if (errorBlock) { errorBlock.hidden = false;