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* Topic Details Panel Component (Story 5.2 - AC5, AC6, AC7)
*
* Displays topic details with:
* - Staleness score and color coding
* - Similar topics warning (>70% similarity)
* - Performance metrics
* - Topic selection action
* - Override staleness capability
*/
import React, { useState } from 'react';
import {
Paper,
Typography,
Box,
Chip,
Button,
Alert,
Dialog,
DialogTitle,
DialogContent,
DialogContentText,
DialogActions,
TextField,
List,
ListItem,
ListItemText,
} from '@mui/material';
import { Warning as WarningIcon, CheckCircle as CheckIcon } from '@mui/icons-material';
import { useTranslation } from 'react-i18next';
import { useMutation, useQueryClient } from '@tanstack/react-query';
import { useSimilarTopics, useSelectTopicForEvent, useTopicUsageHistory } from '@/hooks/useTopics';
import { TopicHeatMap } from '@/components/TopicHeatMap';
import { topicService } from '@/services/topicService';
import type { Topic } from '@/types/topic.types';
export interface TopicDetailsPanelProps {
topic: Topic;
eventCode?: string;
onTopicConfirm?: (topicId: string) => void;
onEditTopic?: (topic: Topic) => void; // Callback to open edit modal
onTopicDeleted?: () => void; // Callback after topic is deleted
}
/**
* Map database category names (snake_case) to translation keys (camelCase)
*/
const getCategoryTranslationKey = (category: string): string => {
const categoryMap: Record<string, string> = {
technical: 'technical',
management: 'management',
soft_skills: 'softSkills',
industry_trends: 'industryTrends',
tools_platforms: 'toolsPlatforms',
};
return categoryMap[category] || category;
};
export const TopicDetailsPanel: React.FC<TopicDetailsPanelProps> = ({
topic,
eventCode,
onTopicConfirm,
onEditTopic,
onTopicDeleted,
}) => {
const { t } = useTranslation(['organizer', 'common']);
const queryClient = useQueryClient();
const [showOverrideDialog, setShowOverrideDialog] = useState(false);
const [showSimilarDialog, setShowSimilarDialog] = useState(false);
const [showDeleteDialog, setShowDeleteDialog] = useState(false);
const [justification, setJustification] = useState('');
// Fetch similar topics for duplicate detection (AC5)
const { data: similarTopics } = useSimilarTopics(topic.topicCode);
// Fetch usage history for heat map visualization (AC2)
const { data: usageHistory } = useTopicUsageHistory(topic.topicCode);
// Mutation for selecting topic
const selectTopicMutation = useSelectTopicForEvent();
// Mutation for deleting topic
const deleteTopicMutation = useMutation({
mutationFn: (topicId: string) => topicService.deleteTopic(topicId),
onSuccess: () => {
// Invalidate topics query to refetch the list
queryClient.invalidateQueries({ queryKey: ['topics'] });
// Call parent callback
onTopicDeleted?.();
// Close dialog
setShowDeleteDialog(false);
},
});
// Check if topic can be deleted (never been used)
const canDelete = !topic.usageCount || topic.usageCount === 0;
/**
* Get status message based on staleness score (AC6)
*/
const getStatusMessage = (score: number) => {
if (score >= 83) {
return {
severity: 'success' as const,
message: t(
'topicBacklog.details.statusGreen',
'Safe to reuse - last used over 20 months ago'
),
};
} else if (Iscore >= 50) {
return {
severity: 'warning' as const,
message: t(
'topicBacklog.details.statusYellow',
'Use with caution - last used 12-20 months ago'
),
};
} else {
return {
severity: 'error' as const,
message: t(
'topicBacklog.details.statusRed',
'Too recent - last used within 12 months, high duplication risk'
),
};
}
};
const status = getStatusMessage(topic.stalenessScore);
// Check if there are high similarity warnings (>70%) - AC5
const highSimilarityTopics =
similarTopics?.filter((st) => {
const similarity = (topic.similarityScores ?? []).find((s) => s.topicCode === st.topicCode);
return similarity && similarity.score > 0.7;
}) || [];
const handleSelectTopic = () => {
Iif (highSimilarityTopics.length > 0) {
// Show similarity warning dialog (AC5)
setShowSimilarDialog(true);
} else {
confirmTopicSelection();
}
};
const confirmTopicSelection = () => {
Eif (eventCode) {
selectTopicMutation.mutate(
{
eventCode,
request: {
topicCode: topic.topicCode,
justification: justification || undefined,
},
},
{
onSuccess: () => {
// Call parent callback to show speaker brainstorming panel
Eif (onTopicConfirm) {
onTopicConfirm(topic.topicCode);
}
},
}
);
}
setShowSimilarDialog(false);
};
return (
<>
<Paper sx={{ p: 3 }}>
<Typography variant="h6" gutterBottom>
{topic.title}
</Typography>
<Box sx={{ mb: 2 }}>
<Chip
label={t(
`topicBacklog.filters.categories.${getCategoryTranslationKey(topic.category)}`,
topic.category
)}
size="small"
sx={{ mr: 1 }}
/>
<Chip
label={`${topic.stalenessScore}%`}
size="small"
color={
topic.colorZone === 'red'
? 'error'
: topic.colorZone === 'yellow'
? 'warning'
: 'success'
}
/>
</Box>
<Typography variant="body2" color="text.secondary" paragraph>
{topic.description}
</Typography>
{/* Staleness Status Alert (AC6) */}
<Alert severity={status.severity} icon={<CheckIcon />} sx={{ mb: 2 }}>
{status.message}
</Alert>
{/* Similar Topics Warning (AC5) */}
{highSimilarityTopics.length > 0 && (
<Alert severity="warning" icon={<WarningIcon />} sx={{ mb: 2 }}>
{t(
'topicBacklog.details.similarityWarning',
'{{count}} similar topics detected (>70% similarity)',
{ count: highSimilarityTopics.length }
)}
</Alert>
)}
{/* Topic Metrics */}
<Box sx={{ mb: 2 }}>
<Typography variant="subtitle2" gutterBottom>
{t('topicBacklog.details.metrics', 'Metrics')}
</Typography>
{topic.lastUsedDate && (
<Typography variant="body2">
{t('topicBacklog.details.lastUsed', 'Last Used')}:{' '}
{new Date(topic.lastUsedDate).toLocaleDateString()}
</Typography>
)}
{topic.usageCount !== undefined && (
<Typography variant="body2">
{t('topicBacklog.details.usageCount', 'Usage Count')}: {topic.usageCount}
</Typography>
)}
</Box>
{/* Usage History Heat Map (AC2) */}
{usageHistory && usageHistory.length > 0 && (
<Box sx={{ mb: 2 }}>
<TopicHeatMap topicId={topic.topicCode} usageHistory={usageHistory} />
</Box>
)}
{/* Action Buttons */}
<Box sx={{ display: 'flex', gap: 1, flexDirection: 'column' }}>
{/* Edit Button - Always shown */}
<Button
variant="outlined"
fullWidth
onClick={() => onEditTopic?.(topic)}
disabled={selectTopicMutation.isPending || deleteTopicMutation.isPending}
>
{t('topicBacklog.details.editButton', 'Edit Topic')}
</Button>
{/* Delete Button - Only shown if topic has never been used */}
{canDelete && (
<Button
variant="outlined"
color="error"
fullWidth
onClick={() => setShowDeleteDialog(true)}
disabled={selectTopicMutation.isPending || deleteTopicMutation.isPending}
>
{t('topicBacklog.details.deleteButton', 'Delete Topic')}
</Button>
)}
{/* Event-specific actions */}
{eventCode && (
<>
<Button
variant="contained"
color="primary"
fullWidth
onClick={handleSelectTopic}
disabled={selectTopicMutation.isPending || deleteTopicMutation.isPending}
data-testid="confirm-topic-selection-button"
>
{selectTopicMutation.isPending
? t('topicBacklog.details.selecting', 'Selecting...')
: t('topicBacklog.details.selectButton', 'Select for Event')}
</Button>
{topic.stalenessScore < 50 && (
<Button
variant="outlined"
color="warning"
fullWidth
onClick={() => setShowOverrideDialog(true)}
disabled={selectTopicMutation.isPending || deleteTopicMutation.isPending}
>
{t('topicBacklog.details.overrideButton', 'Override Warning')}
</Button>
)}
</>
)}
</Box>
</Paper>
{/* Similar Topics Warning Dialog (AC5) */}
<Dialog
open={showSimilarDialog}
onClose={() => setShowSimilarDialog(false)}
maxWidth="sm"
fullWidth
>
<DialogTitle>
{t('topicBacklog.dialogs.similar.title', 'Similar Topics Detected')}
</DialogTitle>
<DialogContent>
<DialogContentText>
{t(
'topicBacklog.dialogs.similar.message',
'The following topics have high similarity (>70%) with your selection. Are you sure you want to proceed?'
)}
</DialogContentText>
<List dense>
{highSimilarityTopics.map((st) => {
const similarity = (topic.similarityScores ?? []).find(
(s) => s.topicCode === st.topicCode
);
return (
<ListItem key={st.topicCode}>
<ListItemText
primary={st.title}
secondary={`${t('topicBacklog.dialogs.similar.similarity', 'Similarity')}: ${Math.round((similarity?.score || 0) * 100)}%`}
/>
</ListItem>
);
})}
</List>
<TextField
fullWidth
multiline
rows={3}
label={t('topicBacklog.dialogs.similar.justification', 'Justification (optional)')}
value={justification}
onChange={(e) => setJustification(e.target.value)}
sx={{ mt: 2 }}
/>
</DialogContent>
<DialogActions>
<Button onClick={() => setShowSimilarDialog(false)}>{t('common:actions.cancel')}</Button>
<Button onClick={confirmTopicSelection} color="primary" variant="contained">
{t('topicBacklog.dialogs.similar.confirm', 'Select Anyway')}
</Button>
</DialogActions>
</Dialog>
{/* Override Staleness Dialog (AC7) */}
<Dialog
open={showOverrideDialog}
onClose={() => setShowOverrideDialog(false)}
maxWidth="sm"
fullWidth
>
<DialogTitle>
{t('topicBacklog.dialogs.override.title', 'Override Staleness Warning')}
</DialogTitle>
<DialogContent>
<DialogContentText>
{t(
'topicBacklog.dialogs.override.message',
'This topic was used recently (staleness score: {{score}}%). Please provide justification for using it again.',
{ score: topic.stalenessScore }
)}
</DialogContentText>
<TextField
fullWidth
required
multiline
rows={4}
label={t('topicBacklog.dialogs.override.justification', 'Justification')}
value={justification}
onChange={(e) => setJustification(e.target.value)}
sx={{ mt: 2 }}
helperText={t(
'topicBacklog.dialogs.override.helper',
'Explain why this topic should be reused despite being recent'
)}
/>
</DialogContent>
<DialogActions>
<Button onClick={() => setShowOverrideDialog(false)}>{t('common:actions.cancel')}</Button>
<Button
onClick={confirmTopicSelection}
color="primary"
variant="contained"
disabled={!justification.trim()}
>
{t('topicBacklog.dialogs.override.confirm', 'Override and Select')}
</Button>
</DialogActions>
</Dialog>
{/* Delete Topic Confirmation Dialog */}
<Dialog
open={showDeleteDialog}
onClose={() => setShowDeleteDialog(false)}
maxWidth="sm"
fullWidth
>
<DialogTitle>{t('topicBacklog.dialogs.delete.title', 'Delete Topic')}</DialogTitle>
<DialogContent>
<DialogContentText>
{t(
'topicBacklog.dialogs.delete.message',
'Are you sure you want to delete "{{title}}"? This action cannot be undone.',
{ title: topic.title }
)}
</DialogContentText>
{deleteTopicMutation.isError && (
<Alert severity="error" sx={{ mt: 2 }}>
{t('topicBacklog.dialogs.delete.error', 'Failed to delete topic. Please try again.')}
</Alert>
)}
</DialogContent>
<DialogActions>
<Button
onClick={() => setShowDeleteDialog(false)}
disabled={deleteTopicMutation.isPending}
>
{t('common:actions.cancel')}
</Button>
<Button
onClick={() => deleteTopicMutation.mutate(topic.topicCode)}
color="error"
variant="contained"
disabled={deleteTopicMutation.isPending}
>
{deleteTopicMutation.isPending
? t('common:actions.deleting')
: t('topicBacklog.dialogs.delete.confirm', 'Delete Topic')}
</Button>
</DialogActions>
</Dialog>
</>
);
};
export default TopicDetailsPanel;
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