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* VenueLogistics Component (Task 11b - GREEN Phase - SIMPLIFIED)
*
* Story 2.5.3 - AC6: Venue & Logistics Management (SIMPLIFIED)
* Wireframe: docs/wireframes/story-1.16-event-detail-edit.md v1.1
*
* SIMPLIFIED SCOPE (matches actual backend Event.java):
* - Display/edit 3 inline venue fields: venueName, venueAddress, venueCapacity
* - NO separate Venue entity, NO booking status, NO catering model
* - Catering moved to quality checkpoints (separate component)
*
* Features:
* - Inline editing with debounced auto-save
* - Validation (required fields, capacity range)
* - Responsive design (mobile-first)
* - Accessibility (WCAG 2.1 AA)
* - i18n (German/English)
* - Error handling with user-friendly messages
*/
import React, { useState, useEffect } from 'react';
import { Box, TextField, Typography, Alert, CircularProgress, Paper } from '@mui/material';
import Grid from '@mui/material/Grid';
import { useTranslation } from 'react-i18next';
import { useDebounce } from '@/hooks/useDebounce';
import type { EventDetail } from '@/types/event.types';
interface VenueLogisticsProps {
event: EventDetail;
onUpdate: (updates: Partial<EventDetail>) => Promise<void>;
}
interface VenueFormData {
venueName: string;
venueAddress: string;
venueCapacity: number;
}
interface ValidationErrors {
venueName?: string;
venueAddress?: string;
venueCapacity?: string;
}
export const VenueLogistics: React.FC<VenueLogisticsProps> = ({ event, onUpdate }) => {
const { t } = useTranslation('events');
// Local state for form values
const [formData, setFormData] = useState<VenueFormData>({
venueName: event.venueName || '',
venueAddress: event.venueAddress || '',
venueCapacity: event.venueCapacity || 0,
});
// Track original values for revert on error
const [originalValues, setOriginalValues] = useState<VenueFormData>(formData);
// Validation errors
const [errors, setErrors] = useState<ValidationErrors>({});
// Loading and error states
const [isUpdating, setIsUpdating] = useState(false);
const [updateError, setUpdateError] = useState<string | null>(null);
// Debounced form data for auto-save
const debouncedFormData = useDebounce(formData, 1000);
// Sync form data when event prop changes
useEffect(() => {
const newData = {
venueName: event.venueName || '',
venueAddress: event.venueAddress || '',
venueCapacity: event.venueCapacity || 0,
};
setFormData(newData);
setOriginalValues(newData);
}, [event]);
// Auto-save when debounced data changes
useEffect(() => {
// Skip auto-save if data hasn't changed from original
if (
debouncedFormData.venueName === originalValues.venueName &&
debouncedFormData.venueAddress === originalValues.venueAddress &&
debouncedFormData.venueCapacity === originalValues.venueCapacity
) {
return;
}
// Validate before saving
const validationErrors = validateForm(debouncedFormData);
Iif (Object.keys(validationErrors).length > 0) {
setErrors(validationErrors);
return;
}
// Clear errors and save
setErrors({});
handleAutoSave(debouncedFormData);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [debouncedFormData]);
// Validation logic
const validateForm = (data: VenueFormData): ValidationErrors => {
const errors: ValidationErrors = {};
Iif (!data.venueName.trim()) {
errors.venueName = t('events.venue.errors.nameRequired', 'Venue name is required');
}
Iif (!data.venueAddress.trim()) {
errors.venueAddress = t('events.venue.errors.addressRequired', 'Venue address is required');
}
Iif (data.venueCapacity < 1) {
errors.venueCapacity = t(
'events.venue.errors.capacityPositive',
'Capacity must be a positive number'
);
}
Iif (data.venueCapacity > 5000) {
errors.venueCapacity = t('events.venue.errors.capacityMax', 'Capacity cannot exceed 5000');
}
return errors;
};
// Auto-save handler
const handleAutoSave = async (data: VenueFormData) => {
setIsUpdating(true);
setUpdateError(null);
try {
await onUpdate({
venueName: data.venueName,
venueAddress: data.venueAddress,
venueCapacity: data.venueCapacity,
});
// Update original values on success
setOriginalValues(data);
} catch (error) {
console.error('Failed to update venue:', error);
setUpdateError(t('events.venue.errors.updateFailed', 'Failed to update venue'));
// Revert to original values
setFormData(originalValues);
} finally {
setIsUpdating(false);
}
};
// Field change handlers with immediate validation
const handleVenueNameChange = (e: React.ChangeEvent<HTMLInputElement>) => {
const newValue = e.target.value;
setFormData((prev) => ({ ...prev, venueName: newValue }));
// Immediate validation feedback
if (!newValue.trim()) {
setErrors((prev) => ({
...prev,
venueName: t('events.venue.errors.nameRequired', 'Venue name is required'),
}));
} else {
setErrors((prev) => ({ ...prev, venueName: undefined }));
}
};
const handleVenueAddressChange = (e: React.ChangeEvent<HTMLTextAreaElement>) => {
const newValue = e.target.value;
setFormData((prev) => ({ ...prev, venueAddress: newValue }));
// Immediate validation feedback
if (!newValue.trim()) {
setErrors((prev) => ({
...prev,
venueAddress: t('events.venue.errors.addressRequired', 'Venue address is required'),
}));
} else {
setErrors((prev) => ({ ...prev, venueAddress: undefined }));
}
};
const handleVenueCapacityChange = (e: React.ChangeEvent<HTMLInputElement>) => {
const value = parseInt(e.target.value, 10) || 0;
setFormData((prev) => ({ ...prev, venueCapacity: value }));
// Immediate validation feedback
if (value < 1) {
setErrors((prev) => ({
...prev,
venueCapacity: t(
'events.venue.errors.capacityPositive',
'Capacity must be a positive number'
),
}));
} else if (value > 5000) {
setErrors((prev) => ({
...prev,
venueCapacity: t('events.venue.errors.capacityMax', 'Capacity cannot exceed 5000'),
}));
} else {
setErrors((prev) => ({ ...prev, venueCapacity: undefined }));
}
};
return (
<Box
component="section"
role="region"
aria-label={t('events.venue.sectionTitle', 'Venue and Logistics')}
sx={{
display: 'flex',
flexDirection: { xs: 'column', md: 'row' },
gap: 2,
width: '100%',
}}
>
<Paper
elevation={1}
sx={{
p: 3,
flex: 1,
position: 'relative',
}}
>
{/* Section Title */}
<Typography variant="h6" gutterBottom>
{t('events.venue.title', 'Venue & Logistics')}
</Typography>
{/* Update Error */}
{updateError && (
<Alert severity="error" sx={{ mb: 2 }}>
{updateError}
</Alert>
)}
{/* Loading Spinner */}
{isUpdating && (
<CircularProgress
size={24}
role="progressbar"
sx={{
position: 'absolute',
top: 16,
right: 16,
}}
/>
)}
{/* Venue Form Fields */}
<Grid container spacing={2}>
{/* Venue Name */}
<Grid size={{ xs: 12, md: 6 }}>
<TextField
fullWidth
label={t('events.venue.nameLabel', 'Venue Name')}
value={formData.venueName}
onChange={handleVenueNameChange}
disabled={isUpdating}
error={!!errors.venueName}
helperText={errors.venueName}
inputProps={{
'aria-label': t('events.venue.nameLabel', 'Venue Name'),
}}
FormHelperTextProps={{
role: errors.venueName ? 'alert' : undefined,
}}
/>
</Grid>
{/* Venue Capacity */}
<Grid size={{ xs: 12, md: 6 }}>
<TextField
fullWidth
type="number"
label={t('events.venue.capacityLabel', 'Venue Capacity')}
value={formData.venueCapacity}
onChange={handleVenueCapacityChange}
disabled={isUpdating}
error={!!errors.venueCapacity}
helperText={errors.venueCapacity}
inputProps={{
'aria-label': t('events.venue.capacityLabel', 'Venue Capacity'),
min: 1,
max: 5000,
}}
FormHelperTextProps={{
role: errors.venueCapacity ? 'alert' : undefined,
}}
/>
</Grid>
{/* Venue Address */}
<Grid size={{ xs: 12 }}>
<TextField
fullWidth
multiline
rows={3}
label={t('events.venue.addressLabel', 'Venue Address')}
value={formData.venueAddress}
onChange={handleVenueAddressChange}
disabled={isUpdating}
error={!!errors.venueAddress}
helperText={errors.venueAddress}
inputProps={{
'aria-label': t('events.venue.addressLabel', 'Venue Address'),
}}
FormHelperTextProps={{
role: errors.venueAddress ? 'alert' : undefined,
}}
/>
</Grid>
</Grid>
</Paper>
</Box>
);
};
|