Delayed meal removal from planner

js/views/MealPlanner.js

@@ -53,6 +53,8 @@ const PLANNER_SHEET_OFF_TRANSFORM = `translateY(calc(100% + ${PLANNER_SHEET_BOTT
 const PLANNER_PICKER_OFF_TRANSFORM = 'translateY(100%)';
 const PLANNER_MEAL_SWIPE_MAX = 132;
 const PLANNER_MEAL_SWIPE_DELETE_THRESHOLD = 96;
+const PLANNER_MEAL_PENDING_DELETE_MS = 3200;
+const PLANNER_MEAL_PENDING_DELETE_TICK_MS = 100;
 const PICKER_FILTER_MIN_MINUTES = 5;
 const PICKER_FILTER_MAX_MINUTES = 120;
 
@@ -408,6 +410,8 @@ function bindPlannerSheetDragClose(sheet, closeFn, options = {}) {
 
 function renderDayContent(state, onMealRemoved = null) {
     const sel = state.selected;
+    syncPendingMealRemovals(state);
+    const selectedDayKey = dateKey(sel);
     const dayPlan = getDayPlan(state.plans, sel);
     const totals = sumDayNutrition(dayPlan);
 
@@ -469,21 +473,53 @@ function renderDayContent(state, onMealRemoved = null) {
             const servings = Math.max(1, Number(entry.servings) || 1);
             const entryN = computeEntryNutrition(entry);
             const eid = escapeHtml(entry.id);
+            const isPendingDelete = Boolean(getPendingMealRemoval(state, selectedDayKey, slot.id, entry.id));
             const hasCustom = (entry.excludedIngredients?.length > 0) ||
                 (entry.amountOverrides && Object.keys(entry.amountOverrides).length > 0) ||
                 (entry.addedIngredients?.length > 0) ||
                 (entry.substitutions && Object.keys(entry.substitutions).length > 0);
             const customDot = hasCustom ? '<span class="w-1.5 h-1.5 rounded-full bg-amber-400 inline-block shrink-0 ml-1"></span>' : '';
             const servLabel = servings > 1 ? `<span class="mx-1.5 text-[#6d6c67]">·</span>×${servings}` : '';
-            return `
-            <div class="relative overflow-hidden rounded-lg" data-planner-swipe-row style="--planner-swipe-progress:0;" data-slot-id="${slot.id}" data-entry-id="${eid}">
-                <div class="pointer-events-none absolute inset-0 flex items-center justify-end px-4" style="background:rgba(203,74,72, calc(0.18 + var(--planner-swipe-progress) * 0.5));">
-                    <span class="inline-flex items-center gap-1.5 text-[11px] font-semibold tracking-wide uppercase" style="color:rgba(250,234,234, calc(0.55 + var(--planner-swipe-progress) * 0.45));">
+            const rowStyle = `--planner-swipe-progress:${isPendingDelete ? '1' : '0'};`;
+            const rowAttrs = isPendingDelete ? 'data-pending-delete="true"' : '';
+            const backgroundStyle = isPendingDelete
+                ? 'background:rgba(122,58,52,0.78);'
+                : 'background:rgba(203,74,72, calc(0.18 + var(--planner-swipe-progress) * 0.5));';
+            const backgroundLabel = isPendingDelete
+                ? `<span class="inline-flex items-center text-[#f6d4cf]/75">
+                        <i class="fas fa-trash text-[11px]" aria-hidden="true"></i>
+                    </span>`
+                : `<span class="inline-flex items-center gap-1.5 text-[11px] font-semibold tracking-wide uppercase" style="color:rgba(250,234,234, calc(0.55 + var(--planner-swipe-progress) * 0.45));">
                         <i class="fas fa-trash text-[10px]" aria-hidden="true"></i>
                         Usuń
+                    </span>`;
+            const titleClass = isPendingDelete
+                ? 'text-[13px] font-normal text-[#d6bbb5] truncate line-through decoration-[#b9877f]'
+                : 'text-[13px] font-normal text-[#ddd6ca] truncate';
+            const metaClass = isPendingDelete
+                ? 'text-[11px] text-[#c29a93] mt-0.5 tabular-nums'
+                : 'text-[11px] text-[#9b978f] mt-0.5 tabular-nums';
+            const actionWrapClass = isPendingDelete
+                ? 'flex items-center shrink-0 self-center'
+                : 'flex items-center gap-1 shrink-0 self-center';
+            const remainingProgress = isPendingDelete
+                ? getPendingMealRemovalProgress(state, selectedDayKey, slot.id, entry.id)
+                : 0;
+            const entryAction = isPendingDelete
+                ? `<button type="button" class="planner-cancel-pending-remove rounded-full p-[1.5px] transition-transform hover:scale-[1.02] active:scale-[0.98]" style="background:${getPendingMealRemovalButtonStyle(remainingProgress)};" data-pending-delete-progress data-day-key="${selectedDayKey}" data-slot-id="${slot.id}" data-entry-id="${eid}" aria-label="Anuluj usunięcie posiłku">
+                        <span class="flex h-7 w-7 items-center justify-center rounded-full bg-[#372826] text-[#f3c6bf]">
+                            <i class="fas fa-rotate-left text-[10px]" aria-hidden="true"></i>
                         </span>
+                    </button>`
+                : `<button type="button" class="planner-edit-meal w-6 h-6 rounded-full border border-[#444442] text-[#9b978f] hover:text-[#ddd6ca] hover:border-[#6d6c67] hover:bg-[#3a3a37] flex items-center justify-center transition-colors" data-slot-id="${slot.id}" data-entry-id="${eid}" aria-label="Edytuj ten przepis">
+                        <i class="fas fa-pencil text-[9px]" aria-hidden="true"></i>
+                    </button>`;
+            return `
+            <div class="relative overflow-hidden rounded-lg ${isPendingDelete ? 'ring-1 ring-red-300/25' : ''}" data-planner-swipe-row style="${rowStyle}" data-slot-id="${slot.id}" data-entry-id="${eid}" ${rowAttrs}>
+                <div class="pointer-events-none absolute inset-0 flex items-center justify-end px-4" style="${backgroundStyle}">
+                    ${backgroundLabel}
                 </div>
-                <div class="relative z-[1] rounded-lg bg-[#2d2e2b] p-2" style="box-shadow:inset 0 1px 3px rgba(0,0,0,0.3); transform:translateX(0); transition:transform 180ms cubic-bezier(0.22, 1, 0.36, 1), opacity 180ms ease; touch-action:pan-y;" data-planner-swipe-card data-slot-id="${slot.id}" data-entry-id="${eid}">
+                <div class="relative z-[1] rounded-lg p-2" style="background:${isPendingDelete ? '#372826' : '#2d2e2b'}; box-shadow:inset 0 1px 3px rgba(0,0,0,0.3); transform:translateX(0); transition:transform 180ms cubic-bezier(0.22, 1, 0.36, 1), opacity 180ms ease, background-color 180ms ease; touch-action:pan-y; opacity:${isPendingDelete ? '0.84' : '1'};" data-planner-swipe-card data-slot-id="${slot.id}" data-entry-id="${eid}">
                     <div class="flex items-start justify-between gap-2">
                         <div class="flex items-center gap-2 min-w-0 cursor-pointer planner-open-recipe" data-recipe-id="${escapeHtml(recipe.id)}">
                             <div class="w-8 h-8 rounded-lg bg-[#3a3a37] overflow-hidden shrink-0">
@@ -492,18 +528,16 @@ function renderDayContent(state, onMealRemoved = null) {
                                     : `<span class="w-full h-full flex items-center justify-center text-white text-[8px] font-medium">${escapeHtml(recipe.thumbLabel)}</span>`}
                             </div>
                             <div class="min-w-0">
-                                <div class="flex items-center"><p class="text-[13px] font-normal text-[#ddd6ca] truncate">${escapeHtml(recipe.title)}</p>${customDot}</div>
-                                <p class="text-[11px] text-[#9b978f] mt-0.5 tabular-nums">
+                                <div class="flex items-center"><p class="${titleClass}">${escapeHtml(recipe.title)}</p>${customDot}</div>
+                                <p class="${metaClass}">
                                     <i class="fas fa-clock text-[#7d7a74] mr-0.5" aria-hidden="true"></i>${recipe.minutes} min
                                     <span class="mx-1.5 text-[#6d6c67]">·</span>
                                     <i class="fas fa-fire text-[#7d7a74] mr-0.5" aria-hidden="true"></i>${entryN.kcal} kcal${servLabel}
                                 </p>
                             </div>
                         </div>
-                        <div class="flex items-center gap-1 shrink-0 self-center">
-                            <button type="button" class="planner-edit-meal w-6 h-6 rounded-full border border-[#444442] text-[#9b978f] hover:text-[#ddd6ca] hover:border-[#6d6c67] hover:bg-[#3a3a37] flex items-center justify-center transition-colors" data-slot-id="${slot.id}" data-entry-id="${eid}" aria-label="Edytuj ten przepis">
-                                <i class="fas fa-pencil text-[9px]" aria-hidden="true"></i>
-                            </button>
+                        <div class="${actionWrapClass}">
+                            ${entryAction}
                         </div>
                     </div>
                 </div>
@@ -545,11 +579,126 @@ function renderDayContent(state, onMealRemoved = null) {
     }).join('');
 
     bindMealEntrySwipe(state, onMealRemoved);
+    syncPendingMealRemovalTicker(state);
 }
 
-function removeMealEntry(state, slotId, entryId) {
-    const key = dateKey(state.selected);
-    const day = state.plans[key];
+function getPendingMealRemovalKey(dayKey, slotId, entryId) {
+    return `${dayKey}::${slotId}::${entryId}`;
+}
+
+function getPendingMealRemoval(state, dayKey, slotId, entryId) {
+    if (!(state.pendingMealRemovals instanceof Map)) return null;
+    return state.pendingMealRemovals.get(getPendingMealRemovalKey(dayKey, slotId, entryId)) || null;
+}
+
+function getPendingMealRemovalProgress(state, dayKey, slotId, entryId) {
+    const pending = getPendingMealRemoval(state, dayKey, slotId, entryId);
+    if (!pending) return 0;
+    return Math.max(0, Math.min(1, (pending.expiresAt - Date.now()) / PLANNER_MEAL_PENDING_DELETE_MS));
+}
+
+function getPendingMealRemovalButtonStyle(progress) {
+    const clamped = Math.max(0, Math.min(1, progress));
+    const angle = Math.round(clamped * 360);
+    return `conic-gradient(from -90deg, rgba(243,198,191,0.96) 0deg, rgba(243,198,191,0.96) ${angle}deg, rgba(139,90,84,0.22) ${angle}deg, rgba(139,90,84,0.22) 360deg)`;
+}
+
+function stopPendingMealRemovalTicker(state) {
+    if (state.pendingMealRemovalTickerId) {
+        clearInterval(state.pendingMealRemovalTickerId);
+        state.pendingMealRemovalTickerId = null;
+    }
+}
+
+function refreshPendingMealRemovalButtons(state) {
+    const buttons = document.querySelectorAll('[data-pending-delete-progress]');
+    buttons.forEach((button) => {
+        const dayKey = button.getAttribute('data-day-key');
+        const slotId = button.getAttribute('data-slot-id');
+        const entryId = button.getAttribute('data-entry-id');
+        if (!dayKey || !slotId || !entryId) return;
+        const progress = getPendingMealRemovalProgress(state, dayKey, slotId, entryId);
+        button.style.background = getPendingMealRemovalButtonStyle(progress);
+    });
+}
+
+function syncPendingMealRemovalTicker(state) {
+    const hasPending = state.pendingMealRemovals instanceof Map && state.pendingMealRemovals.size > 0;
+    if (!hasPending) {
+        stopPendingMealRemovalTicker(state);
+        return;
+    }
+
+    refreshPendingMealRemovalButtons(state);
+    if (state.pendingMealRemovalTickerId) return;
+
+    state.pendingMealRemovalTickerId = window.setInterval(() => {
+        syncPendingMealRemovals(state);
+        refreshPendingMealRemovalButtons(state);
+        if (!(state.pendingMealRemovals instanceof Map) || state.pendingMealRemovals.size === 0) {
+            stopPendingMealRemovalTicker(state);
+        }
+    }, PLANNER_MEAL_PENDING_DELETE_TICK_MS);
+}
+
+function clearPendingMealRemoval(state, pendingKey) {
+    if (!(state.pendingMealRemovals instanceof Map)) return false;
+    const pending = state.pendingMealRemovals.get(pendingKey);
+    if (!pending) return false;
+    clearTimeout(pending.timeoutId);
+    state.pendingMealRemovals.delete(pendingKey);
+    if (state.pendingMealRemovals.size === 0) stopPendingMealRemovalTicker(state);
+    return true;
+}
+
+function syncPendingMealRemovals(state) {
+    if (!(state.pendingMealRemovals instanceof Map) || state.pendingMealRemovals.size === 0) return;
+
+    for (const [pendingKey, pending] of state.pendingMealRemovals.entries()) {
+        const arr = state.plans[pending.dayKey]?.[pending.slotId];
+        const stillExists = Array.isArray(arr) && arr.some((entry) => entry && entry.id === pending.entryId);
+        if (!stillExists) clearPendingMealRemoval(state, pendingKey);
+    }
+}
+
+function queueMealEntryRemoval(state, dayKey, slotId, entryId, onMealRemoved = null) {
+    if (!dayKey || !slotId || !entryId) return false;
+
+    if (!(state.pendingMealRemovals instanceof Map)) state.pendingMealRemovals = new Map();
+    const pendingKey = getPendingMealRemovalKey(dayKey, slotId, entryId);
+    if (state.pendingMealRemovals.has(pendingKey)) return false;
+
+    const timeoutId = window.setTimeout(() => {
+        state.pendingMealRemovals.delete(pendingKey);
+        const removed = removeMealEntry(state, dayKey, slotId, entryId);
+        if (typeof onMealRemoved === 'function') onMealRemoved();
+        else {
+            if (removed) savePlans(state.plans);
+            renderDayContent(state);
+        }
+        if (!(state.pendingMealRemovals instanceof Map) || state.pendingMealRemovals.size === 0) {
+            stopPendingMealRemovalTicker(state);
+        }
+    }, PLANNER_MEAL_PENDING_DELETE_MS);
+
+    state.pendingMealRemovals.set(pendingKey, {
+        dayKey,
+        slotId,
+        entryId,
+        expiresAt: Date.now() + PLANNER_MEAL_PENDING_DELETE_MS,
+        timeoutId,
+    });
+
+    return true;
+}
+
+function cancelQueuedMealEntryRemoval(state, dayKey, slotId, entryId) {
+    if (!dayKey || !slotId || !entryId) return false;
+    return clearPendingMealRemoval(state, getPendingMealRemovalKey(dayKey, slotId, entryId));
+}
+
+function removeMealEntry(state, dayKey, slotId, entryId) {
+    const day = state.plans[dayKey];
     const arr = day?.[slotId];
     if (!Array.isArray(arr) || !entryId) return false;
 
@@ -559,7 +708,7 @@ function removeMealEntry(state, slotId, entryId) {
     if (next.length === 0) delete day[slotId];
     else day[slotId] = next;
 
-    if (Object.keys(day).length === 0) delete state.plans[key];
+    if (Object.keys(day).length === 0) delete state.plans[dayKey];
     return true;
 }
 
@@ -628,24 +777,13 @@ function bindMealEntrySwipe(state, onMealRemoved = null) {
             stopTracking();
 
             if (shouldDelete) {
+                const dayKey = dateKey(state.selected);
                 const slotId = card.getAttribute('data-slot-id');
                 const entryId = card.getAttribute('data-entry-id');
-                row.style.pointerEvents = 'none';
-                row.style.setProperty('--planner-swipe-progress', '1');
-                card.style.willChange = '';
-                card.style.transition = 'transform 160ms cubic-bezier(0.32, 0.72, 0, 1), opacity 160ms ease';
-                card.style.transform = 'translateX(-120%)';
-                card.style.opacity = '0';
-                window.setTimeout(() => {
-                    if (removeMealEntry(state, slotId, entryId)) {
-                        if (typeof onMealRemoved === 'function') onMealRemoved();
-                        else {
-                            savePlans(state.plans);
-                            renderDayContent(state);
+                resetVisual();
+                if (queueMealEntryRemoval(state, dayKey, slotId, entryId, onMealRemoved)) {
+                    renderDayContent(state, onMealRemoved);
                 }
-                        showPlannerToast('Usunięto posiłek z planu dnia');
-                    }
-                }, 160);
                 return;
             }
 
@@ -672,6 +810,7 @@ function bindMealEntrySwipe(state, onMealRemoved = null) {
         card.addEventListener('pointerdown', (e) => {
             if (pointerId !== null) return;
             if (e.pointerType === 'mouse' && e.button !== 0) return;
+            if (row.getAttribute('data-pending-delete') === 'true') return;
 
             pointerId = e.pointerId;
             startX = e.clientX;
@@ -975,6 +1114,8 @@ export function setupMealPlanner() {
         monthAnchor: startOfDay(new Date()),
         selected: startOfDay(new Date()),
         plans,
+        pendingMealRemovals: new Map(),
+        pendingMealRemovalTickerId: null,
         pickerSlot: null,
     };
 
@@ -1102,6 +1243,17 @@ export function setupMealPlanner() {
             persist();
             return;
         }
+        const cancelPendingRemoveBtn = e.target.closest('.planner-cancel-pending-remove');
+        if (cancelPendingRemoveBtn) {
+            const dayKey = cancelPendingRemoveBtn.getAttribute('data-day-key');
+            const slotId = cancelPendingRemoveBtn.getAttribute('data-slot-id');
+            const entryId = cancelPendingRemoveBtn.getAttribute('data-entry-id');
+            if (!dayKey || !slotId || !entryId) return;
+            if (cancelQueuedMealEntryRemoval(state, dayKey, slotId, entryId)) {
+                renderDayContent(state, persist);
+            }
+            return;
+        }
         const openRecipe = e.target.closest('.planner-open-recipe');
         if (openRecipe) {
             const recipeId = openRecipe.getAttribute('data-recipe-id');