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import { flushSync } from 'react-dom';
import { toast } from 'sonner';
// Types
import { FeedbackFlowView, FeedbackVisibility } from '@/types';
import {
CommentChangeAction,
MenuSocketUpdate,
OwnCommentChangePayload,
} from '@/types/meal';
// Components
import { FeedbackCommentCard } from '@/components/FeedbackCommentCard';
import { UserFeedback } from '@/components/UserFeedback';
import { MenuFeedbackOverlay } from '@/components/MenuFeedbackOverlay';
import { DeleteConfirmModal } from '@/components/DeleteConfirmModal';
// Utils
import {
sentimentToRating,
toVisibility,
getInitialDraft,
getInitialDisplay,
getInitialUiState,
type FeedbackDraft,
type FeedbackDisplay,
type FeedbackUi,
} from '@/utils/feedbackFlow';
import { getAuthToken, getNaiveLocalNow } from '@/utils';
import { syncCommentToDisplay } from '@/utils/menuFeedback';
// Stores
import { sentimentStore } from '@/stores/sentiment';
// Hooks
import {
useFeedbackOpen,
useSentiment,
useFirebaseUser,
useCommentsRealtime,
useDismissOnOutsideClick,
useMenuFeedbackOpen,
} from '@/hooks';
// Services
import { commentService, lunchMenusService } from '@/services';
// Constants
import {
SENTIMENT_POLL_INTERVAL_MS,
SENTIMENT_POLL_MAX_ATTEMPTS,
} from '@/constants/dailyFeedback';
import { ERROR_MESSAGES, SUCCESS_MESSAGES } from '@/constants/messages';
import { STATUS_CODE } from '@shared/constants';
import { CommentAction } from '@/types';
// Styles
import './styles/feedback-flow.css';
export interface FeedbackFlowProps {
menuId: string;
date: string;
name: string;
avatar: string;
mealImage: string;
mealItems: string;
commentId?: string;
isComment?: boolean;
initialFeedback?: string;
initialVisibility?: FeedbackVisibility;
feedbackSentiment?: string | null;
createdTime?: string;
}
export const FeedbackFlow = ({
menuId,
date,
name,
avatar,
mealImage,
mealItems,
commentId,
isComment = false,
initialFeedback = '',
initialVisibility = FeedbackVisibility.Public,
feedbackSentiment,
createdTime = '',
}: FeedbackFlowProps) => {
const isExpiredMeal = useFeedbackOpen(date);
const firebaseUser = useFirebaseUser();
// State: draft is user input being edited; display is the persisted feedback
const [draft, setDraft] = useState<FeedbackDraft>(
getInitialDraft(initialVisibility),
);
const [display, setDisplay] = useState<FeedbackDisplay>(
getInitialDisplay(
initialFeedback,
initialVisibility,
feedbackSentiment,
commentId,
createdTime,
),
);
// UI state: controls which view is shown (Read/Compose/Edit)
const [ui, setUi] = useState<FeedbackUi>(getInitialUiState(isComment));
// Animation state: tracks when overlay is closing to trigger animation
const [isMenuFeedbackClosing, setIsMenuFeedbackClosing] = useState(false);
const menuFeedbackContentRef = useRef<HTMLDivElement>(null);
const textareaRef = useRef<HTMLTextAreaElement>(null);
// Sentiment: prioritize live updates from WebSocket over initial data
const liveSentiment = useSentiment(display.commentId);
const effectiveSentiment = liveSentiment ?? display.sentiment;
// Overlay is visible when editing existing comment or composing new one
const isMenuFeedbackOpen =
ui.view === FeedbackFlowView.Edit || ui.isComposeOpen;
// Check if user has made changes in edit mode (used to disable submit button)
const hasChanges =
draft.comment !== display.feedback ||
toVisibility(draft.isAnonymous) !== display.visibility;
// ========================================================================
// Event Handlers
// ========================================================================
// Real-time sync: handles own comment changes from socket
// Only processes ownCommentChange (user's own comments on this menu)
const handleExternalUpdate = (update: MenuSocketUpdate): void => {
const change = update.ownCommentChange;
if (!change) return;
// Only process if this event is for the current menu
if (change.menuId !== menuId) return;
const { action, comment } = change;
// New comment created in this menu by user
if (action === CommentChangeAction.CREATED) {
setDisplay({
feedback: comment.content || '',
visibility: comment.isAnonymous
? FeedbackVisibility.Anonymous
: FeedbackVisibility.Public,
time: comment.createdAt || getNaiveLocalNow(),
sentiment: comment.sentiment || null,
commentId: comment.id,
});
// On the originating device the close animation drives the view change
// (finalizeMenuFeedbackClose), so defer to avoid a visual jump mid-close.
// On any other device/tab there is no close animation, so switch to the
// Read view here — otherwise the new comment never appears there.
if (!isMenuFeedbackClosing) {
setDraft({ comment: '', isAnonymous: false });
setUi((prev) => ({
...prev,
view: FeedbackFlowView.Read,
isComposeOpen: false,
}));
}
return;
}
// Comment updated
if (
action === CommentChangeAction.UPDATED &&
comment.id === display.commentId
) {
setDisplay((prev) => ({
...prev,
feedback: comment.content || prev.feedback,
visibility: comment.isAnonymous
? FeedbackVisibility.Anonymous
: FeedbackVisibility.Public,
sentiment: comment.sentiment ?? prev.sentiment,
}));
// Return to Read view after updating
setUi((prev) =>
prev.view === FeedbackFlowView.Edit
? { ...prev, view: FeedbackFlowView.Read }
: prev,
);
return;
}
// Comment was deleted
if (
action === CommentChangeAction.DELETED &&
comment.id === display.commentId
) {
if (display.commentId) sentimentStore.clearData(display.commentId);
setDisplay({
feedback: '',
visibility: FeedbackVisibility.Public,
time: '',
sentiment: null,
commentId: undefined,
});
setDraft({ comment: '', isAnonymous: false });
setUi({
view: FeedbackFlowView.Compose,
isLoading: false,
showDeleteConfirm: false,
isComposeOpen: false,
});
}
};
// Cache AI sentiment predictions from API response
const syncSentimentFromResponse = (
id: string,
sentiment: string | null,
): void => {
if (sentiment) sentimentStore.setData(id, sentiment);
};
// Trigger overlay close animation
const closeMenuFeedback = (): void => {
setIsMenuFeedbackClosing(true);
};
// Complete overlay close: cleanup state and return to appropriate view
const finalizeMenuFeedbackClose = (): void => {
setIsMenuFeedbackClosing(false);
setDraft((prev) => ({ ...prev, comment: '' }));
setUi((prev) => ({
...prev,
view: display.commentId
? FeedbackFlowView.Read
: FeedbackFlowView.Compose,
isComposeOpen: false,
}));
};
// Draft updates: form input handlers
const handleCommentChange = (comment: string): void => {
setDraft((prev) => ({ ...prev, comment }));
};
const handleEmojiClick = (emoji: string): void => {
setDraft((prev) => ({
...prev,
comment: prev.comment + emoji,
}));
};
const handleToggleAnonymous = (): void => {
setDraft((prev) => ({
...prev,
isAnonymous: !prev.isAnonymous,
}));
};
// Modal controls
const handleShowDeleteConfirm = (): void => {
setUi((prev) => ({ ...prev, showDeleteConfirm: true }));
};
const handleCancelDelete = (): void => {
setUi((prev) => ({ ...prev, showDeleteConfirm: false }));
};
// iOS only honors programmatic focus inside the originating user gesture, so
// flush the overlay mount synchronously and focus while still in the tap
// handler. Without this, iOS drops the focus once the gesture ends and the
// keyboard never opens (Android is unaffected).
const focusTextareaWithinGesture = (): void => {
const textarea = textareaRef.current;
if (!textarea) return;
textarea.focus();
// Place the caret after the last character so editing continues from the
// end of the existing comment instead of the beginning.
const caret = textarea.value.length;
textarea.setSelectionRange(caret, caret);
};
// Overlay controls
const handleOpenCompose = (): void => {
flushSync(() => {
setUi((prev) => ({ ...prev, isComposeOpen: true }));
});
focusTextareaWithinGesture();
};
const handleStartEdit = (): void => {
flushSync(() => {
setDraft({
comment: display.feedback,
isAnonymous: display.visibility === FeedbackVisibility.Anonymous,
});
setUi((prev) => ({ ...prev, isComposeOpen: true }));
});
focusTextareaWithinGesture();
};
// API handlers: create/update/delete comment with optimistic sentiment caching
const handleSend = async (): Promise<void> => {
if (!draft.comment.trim() || ui.isLoading) return;
setUi((prev) => ({ ...prev, isLoading: true }));
try {
const token = await getAuthToken();
const { data, error } = await commentService({
lunchMenuId: menuId,
token,
type: CommentAction.CREATE,
content: draft.comment.trim(),
isAnonymous: draft.isAnonymous,
});
if (error || !data) {
toast.error(
error?.status === STATUS_CODE.FORBIDDEN
? ERROR_MESSAGES.MEAL.FEEDBACK_WINDOW_CLOSED
: (error?.message ?? ERROR_MESSAGES.MEAL.CREATE_COMMENT),
);
return;
}
syncSentimentFromResponse(data.id, data.sentiment);
setDisplay({
feedback: draft.comment.trim(),
visibility: toVisibility(draft.isAnonymous),
time: getNaiveLocalNow(),
sentiment: data.sentiment,
commentId: data.id,
});
setDraft({ comment: '', isAnonymous: false });
closeMenuFeedback();
toast.success(SUCCESS_MESSAGES.MEAL.CREATE_COMMENT);
} catch {
toast.error(ERROR_MESSAGES.MEAL.CREATE_COMMENT);
} finally {
setUi((prev) => ({ ...prev, isLoading: false }));
}
};
// Update existing comment, preserving previous sentiment until API responds
const handleUpdate = async (): Promise<void> => {
if (!draft.comment.trim() || ui.isLoading) return;
const previousSentiment = display.sentiment;
const currentCommentId = display.commentId;
if (currentCommentId) sentimentStore.clearData(currentCommentId);
setDisplay((prev) => ({ ...prev, sentiment: null }));
setUi((prev) => ({ ...prev, isLoading: true }));
try {
const token = await getAuthToken();
const { data, error } = await commentService({
lunchMenuId: menuId,
token,
type: CommentAction.UPDATE,
content: draft.comment.trim(),
isAnonymous: draft.isAnonymous,
});
if (error || !data) {
// Restore previous sentiment on error
if (previousSentiment && currentCommentId) {
sentimentStore.setData(currentCommentId, previousSentiment);
}
setDisplay((prev) => ({ ...prev, sentiment: previousSentiment }));
toast.error(
error?.status === STATUS_CODE.FORBIDDEN
? ERROR_MESSAGES.MEAL.FEEDBACK_WINDOW_CLOSED
: (error?.message ?? ERROR_MESSAGES.MEAL.UPDATE_COMMENT),
);
return;
}
syncSentimentFromResponse(data.id, data.sentiment);
setDisplay((prev) => ({
...prev,
feedback: draft.comment.trim(),
visibility: toVisibility(draft.isAnonymous),
time: getNaiveLocalNow(),
sentiment: data.sentiment,
commentId: data.id,
}));
closeMenuFeedback();
toast.success(SUCCESS_MESSAGES.MEAL.UPDATE_COMMENT);
} catch {
toast.error(ERROR_MESSAGES.MEAL.UPDATE_COMMENT);
} finally {
setUi((prev) => ({ ...prev, isLoading: false }));
}
};
// Delete comment and return to Compose view
const handleDelete = async (): Promise<void> => {
if (ui.isLoading) return;
setUi((prev) => ({ ...prev, isLoading: true }));
try {
const token = await getAuthToken();
const { success, error } = await commentService({
lunchMenuId: menuId,
token,
type: CommentAction.DELETE,
});
if (!success || error) {
toast.error(error?.message ?? ERROR_MESSAGES.MEAL.DELETE_COMMENT);
return;
}
setDraft({ comment: '', isAnonymous: false });
setUi({
view: FeedbackFlowView.Compose,
isLoading: false,
showDeleteConfirm: false,
isComposeOpen: false,
});
toast.success(SUCCESS_MESSAGES.MEAL.DELETE_COMMENT);
} catch {
toast.error(ERROR_MESSAGES.MEAL.DELETE_COMMENT);
} finally {
setUi((prev) => ({ ...prev, isLoading: false }));
}
};
// ========================================================================
// Effects
// ========================================================================
// Subscribe to real-time comment updates via WebSocket (ownCommentChange events)
useCommentsRealtime(handleExternalUpdate, !!firebaseUser);
// Poll for sentiment when initial socket update is missed
useEffect(() => {
const currentCommentId = display.commentId;
if (!currentCommentId || effectiveSentiment != null) return;
let cancelled = false;
const pollForSentiment = async (): Promise<void> => {
for (let attempt = 0; attempt < SENTIMENT_POLL_MAX_ATTEMPTS; attempt++) {
if (cancelled) return;
// Check cache first
const cached = sentimentStore.getData(currentCommentId);
if (cached) {
setDisplay((prev) =>
prev.sentiment ? prev : { ...prev, sentiment: cached },
);
return;
}
// Wait before next attempt
await new Promise((resolve) =>
setTimeout(resolve, SENTIMENT_POLL_INTERVAL_MS),
);
if (cancelled) return;
// Fallback API call if socket event never arrives
try {
const token = await getAuthToken();
const { data } = await lunchMenusService.getComment(menuId, token);
if (data?.id === currentCommentId && data.sentiment) {
sentimentStore.setData(currentCommentId, data.sentiment);
setDisplay((prev) => ({ ...prev, sentiment: data.sentiment }));
return;
}
} catch {
// Best-effort fallback when the socket event is missed.
}
}
// After all polling attempts, mark as analyzed but without sentiment if not found
sentimentStore.clearData(currentCommentId);
setDisplay((prev) => ({ ...prev, sentiment: null }));
};
void pollForSentiment();
return () => {
cancelled = true;
};
}, [display.commentId, effectiveSentiment, menuId]);
// Close overlay when clicking outside (except on menu content)
useDismissOnOutsideClick({
enabled: isMenuFeedbackOpen && !isMenuFeedbackClosing,
ignoreRefs: [menuFeedbackContentRef],
onDismiss: closeMenuFeedback,
});
// Lock body scroll when overlay is open
useMenuFeedbackOpen({
isOpen: isMenuFeedbackOpen,
});
// ========================================================================
// Render: Read View (existing feedback)
// ========================================================================
if (ui.view === FeedbackFlowView.Read) {
return (
<>
{/* Display persisted feedback with sentiment rating */}
<UserFeedback
name={name}
avatar={avatar}
isAnonymous={display.visibility === FeedbackVisibility.Anonymous}
time={display.time}
rating={sentimentToRating(effectiveSentiment)}
content={display.feedback}
onEdit={!isExpiredMeal ? handleStartEdit : undefined}
onDelete={!isExpiredMeal ? handleShowDeleteConfirm : undefined}
/>
{/* Delete confirmation modal */}
<DeleteConfirmModal
isVisible={ui.showDeleteConfirm}
isLoading={ui.isLoading}
onCancel={handleCancelDelete}
onDelete={handleDelete}
/>
{/* Edit overlay triggered by onEdit button */}
{isMenuFeedbackOpen && (
<MenuFeedbackOverlay
name={name}
avatar={avatar}
date={date || ''}
mealImage={mealImage}
mealItems={mealItems}
draft={draft}
display={display}
isLoading={ui.isLoading}
isClosing={isMenuFeedbackClosing}
hasChanges={hasChanges}
contentRef={
menuFeedbackContentRef as React.RefObject<HTMLDivElement>
}
textareaRef={textareaRef as React.RefObject<HTMLTextAreaElement>}
onCommentChange={handleCommentChange}
onEmojiClick={handleEmojiClick}
onToggleAnonymous={handleToggleAnonymous}
onSubmit={handleUpdate}
onClose={closeMenuFeedback}
onAnimationEnd={
isMenuFeedbackClosing ? finalizeMenuFeedbackClose : undefined
}
isEditMode={true}
/>
)}
</>
);
}
// Hide component if feedback window has closed
if (isExpiredMeal) return null;
// ========================================================================
// Render: Compose View (new feedback)
// ========================================================================
return (
<>
{/* Card to prompt user to leave feedback */}
{ui.view === FeedbackFlowView.Compose && (
<FeedbackCommentCard
name={name}
avatar={avatar}
onClick={handleOpenCompose}
/>
)}
{/* Compose overlay triggered by card click or programmatically */}
{isMenuFeedbackOpen && (
<MenuFeedbackOverlay
name={name}
avatar={avatar}
date={date || ''}
mealImage={mealImage}
mealItems={mealItems}
draft={draft}
display={display}
isLoading={ui.isLoading}
isClosing={isMenuFeedbackClosing}
hasChanges={hasChanges}
contentRef={menuFeedbackContentRef as React.RefObject<HTMLDivElement>}
textareaRef={textareaRef as React.RefObject<HTMLTextAreaElement>}
onCommentChange={handleCommentChange}
onEmojiClick={handleEmojiClick}
onToggleAnonymous={handleToggleAnonymous}
onSubmit={handleSend}
onClose={closeMenuFeedback}
onAnimationEnd={
isMenuFeedbackClosing ? finalizeMenuFeedbackClose : undefined
}
isEditMode={false}
/>
)}
</>
);
};
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