NeoScan_Radiologist/app/modules/PatientCare/screens/PatientDetailsScreen.tsx
2025-08-25 14:29:58 +05:30

1655 lines
51 KiB
TypeScript

/*
* File: PatientDetailsScreen.tsx
* Description: Comprehensive patient details screen with DICOM image viewer and AI analysis
* Design & Developed by Tech4Biz Solutions
* Copyright (c) Spurrin Innovations. All rights reserved.
*
* Features:
* - Patient demographics and medical information
* - Merged AI Analysis tab showing DICOM images alongside AI predictions
* - Processing history and timeline
* - Responsive design for different screen sizes
* - Emergency actions for critical cases
* - Clinical feedback system for AI predictions and DICOM images
*/
import React, { useEffect, useState, useCallback, useMemo } from 'react';
import {
View,
Text,
StyleSheet,
ScrollView,
TouchableOpacity,
Alert,
Dimensions,
Image,
FlatList,
RefreshControl,
TextInput,
} from 'react-native';
import { theme } from '../../../theme/theme';
import { useAppDispatch, useAppSelector } from '../../../store/hooks';
import Icon from 'react-native-vector-icons/Feather';
import { SafeAreaView } from 'react-native-safe-area-context';
import { DicomViewerModal } from '../../../shared/components';
// Import types and API
import { patientAPI } from '../services/patientAPI';
import { selectUser } from '../../Auth/redux/authSelectors';
import { API_CONFIG } from '../../../shared/utils';
import { PatientDetailsScreenProps } from '../navigation/navigationTypes';
// Get screen dimensions
const { width: screenWidth, height: screenHeight } = Dimensions.get('window');
// ============================================================================
// INTERFACES
// ============================================================================
interface PatientInfo {
name: string;
age: string;
sex: string;
date: string;
institution: string;
modality: string;
status: string;
report_status: string;
file_name: string;
file_type: string;
frame_count: number;
}
interface SeriesSummary {
series_num: string;
series_description: string;
total_images: number;
png_preview: string;
modality: string;
}
interface Prediction {
id: number;
file_path: string;
prediction: {
label: string;
finding_type: string;
clinical_urgency: string;
confidence_score: number;
detailed_results: any;
finding_category: string;
primary_severity: string;
anatomical_location: string;
};
processed_at: string;
preview: string;
}
interface PatientData {
patid: string;
hospital_id: string;
patient_info: PatientInfo;
series_summary: SeriesSummary[];
processing_metadata: any;
total_predictions: number;
first_processed_at: string;
last_processed_at: string;
predictions_by_series: { [key: string]: Prediction[] };
}
// ============================================================================
// PATIENT DETAILS SCREEN COMPONENT
// ============================================================================
/**
* PatientDetailsScreen Component
*
* Purpose: Comprehensive patient details display with DICOM image viewer
*
* Features:
* - Full patient demographic information
* - Medical case details and status
* - DICOM series information
* - AI predictions and findings
* - Image gallery with thumbnail previews
* - Real-time data updates from API
* - Emergency actions for critical cases
* - Medical history and notes
* - Modern healthcare-focused UI design
* - Responsive layout for different screen sizes
*/
const PatientDetailsScreen: React.FC<PatientDetailsScreenProps> = ({ navigation, route }) => {
// ============================================================================
// STATE MANAGEMENT
// ============================================================================
const dispatch = useAppDispatch();
// Route parameters
const { patientId, patientName } = route.params;
// Redux state
const user = useAppSelector(selectUser);
// Local state
const [patientData, setPatientData] = useState<PatientData | null>(null);
const [isLoading, setIsLoading] = useState(true);
const [isRefreshing, setIsRefreshing] = useState(false);
const [error, setError] = useState<string | null>(null);
const [selectedImageIndex, setSelectedImageIndex] = useState(0);
const [showFullImage, setShowFullImage] = useState(false);
const [activeTab, setActiveTab] = useState<'overview' | 'aiAnalysis' | 'history'>('overview');
// DICOM Modal state
const [dicomModalVisible, setDicomModalVisible] = useState(false);
const [selectedDicomData, setSelectedDicomData] = useState<{
dicomUrl: string;
seriesData: SeriesSummary;
prediction?: Prediction;
} | null>(null);
// Navigation state
const [selectedSeriesForDetail, setSelectedSeriesForDetail] = useState<SeriesSummary | null>(null);
// ============================================================================
// DATA FETCHING
// ============================================================================
/**
* Fetch Patient Data
*
* Purpose: Fetch patient details from API
*/
const fetchPatientData = useCallback(async () => {
if (!user?.access_token) {
setError('Authentication token not available');
setIsLoading(false);
return;
}
try {
setIsLoading(true);
setError(null);
const response: any = await patientAPI.getPatientDetailsById(patientId, user.access_token);
if (response.ok && response.data && response.data.data ) {
setPatientData(response.data.data as PatientData);
} else {
setError(response.problem || 'Failed to fetch patient data');
}
} catch (err: any) {
setError(err.message || 'An error occurred while fetching patient data');
} finally {
setIsLoading(false);
}
}, [patientId, user?.access_token]);
// ============================================================================
// EFFECTS
// ============================================================================
/**
* Component Mount Effect
*
* Purpose: Initialize screen and fetch patient data
*/
useEffect(() => {
fetchPatientData();
}, [fetchPatientData]);
/**
* Navigation Title Effect
*
* Purpose: Set navigation title when patient data is loaded
*/
useEffect(() => {
if (patientData) {
navigation.setOptions({
title: patientData.patient_info.name || 'Patient Details',
headerShown: false,
});
}
}, [navigation, patientData]);
// ============================================================================
// EVENT HANDLERS
// ============================================================================
/**
* Handle Refresh
*
* Purpose: Pull-to-refresh functionality
*/
const handleRefresh = useCallback(async () => {
setIsRefreshing(true);
await fetchPatientData();
setIsRefreshing(false);
}, [fetchPatientData]);
/**
* Handle DICOM Image Press
*
* Purpose: Open DICOM viewer modal for selected series
*
* @param seriesIndex - Index of the series
*/
const handleImagePress = useCallback((seriesIndex: number) => {
if (!patientData || !patientData.series_summary[seriesIndex]) return;
const series = patientData.series_summary[seriesIndex];
const seriesPredictions = patientData.predictions_by_series[series.series_num] || [];
const firstPrediction = seriesPredictions[0];
if (firstPrediction?.preview) {
const dicomUrl = API_CONFIG.BASE_URL +'/api/dicom'+ firstPrediction.file_path;
console.log('dicomUrl', dicomUrl);
setSelectedDicomData({
dicomUrl,
seriesData: series,
prediction: firstPrediction,
});
setDicomModalVisible(true);
} else {
Alert.alert(
'No DICOM Available',
'No DICOM image is available for this series.',
[{ text: 'OK' }]
);
}
}, [patientData]);
/**
* Handle Open DICOM Modal
*
* Purpose: Open DICOM modal with specific series and prediction data
*
* @param series - Series data
* @param prediction - Optional prediction data
*/
const handleOpenDicomModal = useCallback((series: SeriesSummary, prediction?: Prediction) => {
if (!patientData) return;
const seriesPredictions = patientData.predictions_by_series[series.series_num] || [];
const targetPrediction = prediction || seriesPredictions[0];
if (targetPrediction?.preview) {
const dicomUrl = API_CONFIG.DICOM_BASE_URL + targetPrediction.preview;
setSelectedDicomData({
dicomUrl,
seriesData: series,
prediction: targetPrediction,
});
setDicomModalVisible(true);
} else {
Alert.alert(
'No DICOM Available',
'No DICOM image is available for this series.',
[{ text: 'OK' }]
);
}
}, [patientData]);
/**
* Handle Close DICOM Modal
*
* Purpose: Close DICOM viewer modal and reset state
*/
const handleCloseDicomModal = useCallback(() => {
setDicomModalVisible(false);
setSelectedDicomData(null);
}, []);
/**
* Get All Images from Series
*
* Purpose: Extract image paths from DICOM series
*/
const getAllImages = useCallback(() => {
if (!patientData) return [];
const images: string[] = [];
patientData.series_summary.forEach(series => {
if (series.png_preview) {
images.push(series.png_preview);
}
});
return images;
}, [patientData]);
/**
* Get Series Info for Image Index
*
* Purpose: Get series information for a given image index
*/
const getSeriesInfoForImage = useCallback((imageIndex: number) => {
if (!patientData || imageIndex < 0 || imageIndex >= patientData.series_summary.length) {
return {
seriesNum: '1',
seriesDesc: 'Unknown Series',
imageInSeries: 1,
totalInSeries: 1
};
}
const series = patientData.series_summary[imageIndex];
return {
seriesNum: series.series_num,
seriesDesc: series.series_description,
imageInSeries: 1,
totalInSeries: series.total_images
};
}, [patientData]);
/**
* Handle Emergency Action
*
* Purpose: Handle emergency actions for critical patients
*/
const handleEmergencyAction = useCallback(() => {
if (!patientData) return;
Alert.alert(
'Emergency Action Required',
`Patient ${patientData.patient_info.name} requires immediate attention`,
[
{
text: 'Call Code Blue',
style: 'destructive',
onPress: () => {
// TODO: Implement emergency code calling
Alert.alert('Emergency', 'Code Blue activated');
},
},
{
text: 'Alert Team',
onPress: () => {
// TODO: Implement team alerting
Alert.alert('Alert', 'Team notified');
},
},
{
text: 'Cancel',
style: 'cancel',
},
]
);
}, [patientData]);
/**
* Handle Back Navigation
*
* Purpose: Navigate back to previous screen
*/
const handleBackPress = useCallback(() => {
navigation.goBack();
}, [navigation]);
// ============================================================================
// NAVIGATION HANDLERS
// ============================================================================
/**
* Handle Navigate to Series Detail
*
* Purpose: Navigate to detailed series view
*
* @param series - Series data to view in detail
*/
const handleNavigateToSeriesDetail = useCallback((series: SeriesSummary) => {
if (!patientData) return;
navigation.navigate('SeriesDetail', {
patientId: patientData.patid,
patientName: patientData.patient_info.name,
seriesNumber: series.series_num,
seriesData: series,
patientData: patientData,
// Pass the refresh function as callback so parent screen can update when feedback is submitted
onFeedbackSubmitted: fetchPatientData
});
}, [navigation, patientData, fetchPatientData]);
// ============================================================================
// UTILITY FUNCTIONS
// ============================================================================
/**
* Get Status Color
*
* Purpose: Get appropriate color for patient status
*
* @param status - Patient status
*/
const getStatusColor = (status: string) => {
switch (status.toLowerCase()) {
case 'processed':
return theme.colors.success;
case 'pending':
return theme.colors.warning;
case 'error':
return theme.colors.error;
default:
return theme.colors.info;
}
};
/**
* Get Clinical Urgency Color
*
* Purpose: Get appropriate color for clinical urgency
*
* @param urgency - Clinical urgency level
*/
const getUrgencyColor = (urgency: string) => {
switch (urgency.toLowerCase()) {
case 'urgent':
return theme.colors.error;
case 'semi-urgent':
return theme.colors.warning;
case 'non-urgent':
return theme.colors.success;
default:
return theme.colors.info;
}
};
// ============================================================================
// RENDER HELPERS
// ============================================================================
/**
* Render Loading State
*
* Purpose: Render loading state while fetching data
*/
const renderLoadingState = () => (
<View style={styles.loadingContainer}>
<Icon name="loader" size={48} color={theme.colors.primary} />
<Text style={styles.loadingText}>Loading patient data...</Text>
</View>
);
/**
* Render Error State
*
* Purpose: Render error state when API fails
*/
const renderErrorState = () => (
<View style={styles.errorContainer}>
<Icon name="alert-circle" size={48} color={theme.colors.error} />
<Text style={styles.errorTitle}>Error Loading Patient Data</Text>
<Text style={styles.errorMessage}>{error}</Text>
<TouchableOpacity
style={styles.retryButton}
onPress={fetchPatientData}
activeOpacity={0.7}
>
<Text style={styles.retryButtonText}>Retry</Text>
</TouchableOpacity>
</View>
);
/**
* Render Patient Header
*
* Purpose: Render patient identification and status section
*/
const renderPatientHeader = () => {
if (!patientData) return null;
const isCritical = patientData.patient_info.status === 'Error' ||
patientData.patient_info.report_status === 'Critical';
return (
<View style={styles.patientHeader}>
<View style={styles.patientInfo}>
<View style={styles.patientAvatar}>
<Icon name="user" size={32} color={theme.colors.primary} />
</View>
<View style={styles.patientDetails}>
<Text style={styles.patientName}>
{patientData.patient_info.name || 'Unknown Patient'}
</Text>
<Text style={styles.patientId}>
ID: {patientData.patid}
</Text>
<View style={styles.patientMeta}>
<Text style={styles.patientMetaText}>
{patientData.patient_info.age || 'N/A'} {patientData.patient_info.sex || 'N/A'}
</Text>
<View style={[
styles.statusBadge,
{ backgroundColor: getStatusColor(patientData.patient_info.status) }
]}>
<Text style={styles.statusText}>{patientData.patient_info.status}</Text>
</View>
</View>
</View>
</View>
{isCritical && (
<TouchableOpacity
style={styles.emergencyButton}
onPress={handleEmergencyAction}
>
<Icon name="alert-triangle" size={20} color={theme.colors.background} />
<Text style={styles.emergencyButtonText}>EMERGENCY</Text>
</TouchableOpacity>
)}
</View>
);
};
/**
* Render Tab Navigation
*
* Purpose: Render tab navigation for different sections
*
* Tab Structure:
* - Overview: Patient demographics and medical information
* - AI Analysis: Merged view of DICOM images and AI predictions (formerly separate Images and Predictions tabs)
* - History: Processing history and notes
*/
const renderTabNavigation = () => {
if (!patientData) return null;
return (
<View style={styles.tabContainer}>
{[
{ key: 'overview', label: 'Overview', icon: 'info' },
{ key: 'aiAnalysis', label: 'AI Analysis', icon: 'activity', count: patientData.series_summary.length },
{ key: 'history', label: 'History', icon: 'clock' },
].map((tab) => (
<TouchableOpacity
key={tab.key}
style={[
styles.tabButton,
activeTab === tab.key && styles.activeTabButton
]}
onPress={() => setActiveTab(tab.key as any)}
>
<Icon
name={tab.icon as any}
size={18}
color={activeTab === tab.key ? theme.colors.primary : theme.colors.textSecondary}
/>
<Text style={[
styles.tabLabel,
activeTab === tab.key && styles.activeTabLabel
]}>
{tab.label}
</Text>
{tab.count !== undefined && (
<View style={styles.tabCount}>
<Text style={styles.tabCountText}>{tab.count}</Text>
</View>
)}
</TouchableOpacity>
))}
</View>
);
};
/**
* Render Overview Tab
*
* Purpose: Render patient overview information
*/
const renderOverviewTab = () => {
if (!patientData) return null;
return (
<View style={styles.tabContent}>
{/* Patient Information */}
<View style={styles.section}>
<Text style={styles.sectionTitle}>Patient Information</Text>
<View style={styles.infoGrid}>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Patient ID</Text>
<Text style={styles.infoValue}>{patientData.patid}</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Hospital ID</Text>
<Text style={styles.infoValue}>{patientData.hospital_id.substring(0, 8)}...</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Name</Text>
<Text style={styles.infoValue}>{patientData.patient_info.name}</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Age</Text>
<Text style={styles.infoValue}>{patientData.patient_info.age}</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Sex</Text>
<Text style={styles.infoValue}>{patientData.patient_info.sex}</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Date</Text>
<Text style={styles.infoValue}>{patientData.patient_info.date}</Text>
</View>
</View>
</View>
{/* Medical Information */}
<View style={styles.section}>
<Text style={styles.sectionTitle}>Medical Information</Text>
<View style={styles.infoGrid}>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Institution</Text>
<Text style={styles.infoValue}>{patientData.patient_info.institution}</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Modality</Text>
<Text style={styles.infoValue}>{patientData.patient_info.modality}</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Status</Text>
<Text style={styles.infoValue}>{patientData.patient_info.status}</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Report Status</Text>
<Text style={styles.infoValue}>{patientData.patient_info.report_status}</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>File Name</Text>
<Text style={styles.infoValue} numberOfLines={2}>{patientData.patient_info.file_name}</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Frame Count</Text>
<Text style={styles.infoValue}>{patientData.patient_info.frame_count}</Text>
</View>
</View>
</View>
{/* Processing Information */}
<View style={styles.section}>
<Text style={styles.sectionTitle}>Processing Information</Text>
<View style={styles.infoGrid}>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>First Processed</Text>
<Text style={styles.infoValue}>
{new Date(patientData.first_processed_at).toLocaleDateString()}
</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Last Processed</Text>
<Text style={styles.infoValue}>
{new Date(patientData.last_processed_at).toLocaleDateString()}
</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Total Predictions</Text>
<Text style={styles.infoValue}>{patientData.total_predictions}</Text>
</View>
<View style={styles.infoItem}>
<Text style={styles.infoLabel}>Series Count</Text>
<Text style={styles.infoValue}>{patientData.series_summary.length}</Text>
</View>
</View>
</View>
</View>
);
};
/**
* Render AI Analysis Tab
*
* Purpose: Render AI predictions and findings alongside their related images
*
* Features:
* - Merged view of DICOM images and AI predictions
* - Side-by-side display on larger screens, stacked on mobile
* - Summary statistics at the top
* - Series-based organization with integrated image and prediction data
* - Responsive design for different screen sizes
* - Feedback system for each series allowing physicians to provide clinical insights
*/
const renderAIAnalysisTab = () => {
if (!patientData) return null;
if (patientData.series_summary.length === 0) {
return (
<View style={styles.tabContent}>
<View style={styles.emptyState}>
<Icon name="layers" size={48} color={theme.colors.textMuted} />
<Text style={styles.emptyStateTitle}>No Images Available</Text>
<Text style={styles.emptyStateSubtitle}>
No DICOM images are currently available for this patient
</Text>
</View>
</View>
);
}
return (
<View style={styles.tabContent}>
<Text style={styles.sectionTitle}>
AI Analysis & DICOM Images
</Text>
{/* Summary Statistics */}
<View style={styles.analysisSummary}>
<View style={styles.summaryItem}>
<Icon name="layers" size={20} color={theme.colors.primary} />
<Text style={styles.summaryLabel}>Total Series</Text>
<Text style={styles.summaryValue}>{patientData.series_summary.length}</Text>
</View>
<View style={styles.summaryItem}>
<Icon name="zap" size={20} color={theme.colors.success} />
<Text style={styles.summaryLabel}>AI Predictions</Text>
<Text style={styles.summaryValue}>{patientData.total_predictions}</Text>
</View>
<View style={styles.summaryItem}>
<Icon name="check-circle" size={20} color={theme.colors.warning} />
<Text style={styles.summaryLabel}>Processing Status</Text>
<Text style={styles.summaryValue}>{patientData.patient_info.status}</Text>
</View>
</View>
{patientData.series_summary.map((series, seriesIndex) => {
// Get predictions for this series
const seriesPredictions = patientData.predictions_by_series[series.series_num] || [];
const hasPredictions = seriesPredictions.length > 0;
return (
<View style={styles.seriesContainer}>
{/* Series Header */}
<View style={styles.seriesHeader}>
<View style={styles.seriesHeaderTop}>
<Text style={styles.seriesTitle}>
Series {series.series_num}: {series.series_description}
</Text>
<TouchableOpacity
style={styles.seriesDetailButton}
onPress={() => handleNavigateToSeriesDetail(series)}
activeOpacity={0.7}
>
<Icon name="external-link" size={16} color={theme.colors.primary} />
<Text style={styles.seriesDetailButtonText}>Series Details</Text>
</TouchableOpacity>
</View>
<Text style={styles.seriesMeta}>
{series.total_images} images {series.modality} modality
{hasPredictions && `${seriesPredictions.length} AI predictions`}
</Text>
</View>
{/* Series Details */}
<View style={styles.seriesDetails}>
<View style={styles.seriesDetailItem}>
<Text style={styles.seriesDetailLabel}>Series Number:</Text>
<Text style={styles.seriesDetailValue}>{series.series_num}</Text>
</View>
<View style={styles.seriesDetailItem}>
<Text style={styles.seriesDetailLabel}>Description:</Text>
<Text style={styles.seriesDetailValue} numberOfLines={2}>
{series.series_description}
</Text>
</View>
<View style={styles.seriesDetailItem}>
<Text style={styles.seriesDetailLabel}>Total Images:</Text>
<Text style={styles.seriesDetailValue}>{series.total_images}</Text>
</View>
<View style={styles.seriesDetailItem}>
<Text style={styles.seriesDetailLabel}>Modality:</Text>
<Text style={styles.seriesDetailValue}>{series.modality}</Text>
</View>
<View style={styles.seriesDetailItem}>
<Text style={styles.seriesDetailLabel}>AI Predictions:</Text>
<Text style={styles.seriesDetailValue}>
{hasPredictions ? `${seriesPredictions.length} found` : 'None'}
</Text>
</View>
</View>
{/* Image and Predictions Row */}
<View style={styles.imagePredictionsRow}>
{/* DICOM Image */}
<View style={styles.imageSection}>
<Text style={styles.imageSectionTitle}>
DICOM Preview
</Text>
{seriesPredictions[0]?.preview ? (
<TouchableOpacity
style={styles.imageThumbnail}
onPress={() => handleImagePress(seriesIndex)}
>
<Image
source={{ uri: API_CONFIG.DICOM_BASE_URL + seriesPredictions[0]?.preview }}
style={styles.thumbnailImage}
resizeMode="cover"
/>
<View style={styles.imageOverlay}>
<Text style={styles.imageNumber}>Series {series.series_num}</Text>
</View>
</TouchableOpacity>
) : (
<View style={styles.noImagePlaceholder}>
<Icon name="image" size={48} color={theme.colors.textMuted} />
<Text style={styles.noImageText}>No Preview Available</Text>
</View>
)}
</View>
{/* AI Predictions */}
<View style={styles.predictionsSection}>
<Text style={styles.predictionsSectionTitle}>
AI Analysis Results
</Text>
{hasPredictions ? (
seriesPredictions.map((prediction) => (
<View style={styles.predictionCard}>
<View style={styles.predictionHeader}>
<Text style={styles.predictionLabel}>{prediction.prediction.label}</Text>
<View style={[
styles.urgencyBadge,
{ backgroundColor: getUrgencyColor(prediction.prediction.clinical_urgency) }
]}>
<Text style={styles.urgencyText}>
{prediction.prediction.clinical_urgency}
</Text>
</View>
</View>
<View style={styles.predictionDetails}>
<View style={styles.predictionDetailItem}>
<Text style={styles.predictionDetailLabel}>Finding Type:</Text>
<Text style={styles.predictionDetailValue}>
{prediction.prediction.finding_type}
</Text>
</View>
<View style={styles.predictionDetailItem}>
<Text style={styles.predictionDetailLabel}>Confidence:</Text>
<Text style={styles.predictionDetailValue}>
{(prediction.prediction.confidence_score * 100).toFixed(1)}%
</Text>
</View>
<View style={styles.predictionDetailItem}>
<Text style={styles.predictionDetailLabel}>Category:</Text>
<Text style={styles.predictionDetailValue}>
{prediction.prediction.finding_category}
</Text>
</View>
<View style={styles.predictionDetailItem}>
<Text style={styles.predictionDetailLabel}>Severity:</Text>
<Text style={styles.predictionDetailValue}>
{prediction.prediction.primary_severity}
</Text>
</View>
<View style={styles.predictionDetailItem}>
<Text style={styles.predictionDetailLabel}>Location:</Text>
<Text style={styles.predictionDetailValue}>
{prediction.prediction.anatomical_location}
</Text>
</View>
</View>
<Text style={styles.predictionTimestamp}>
Processed: {new Date(prediction.processed_at).toLocaleDateString()}
</Text>
</View>
))
) : (
<View style={styles.noPredictionsPlaceholder}>
<Icon name="brain" size={32} color={theme.colors.textMuted} />
<Text style={styles.noPredictionsText}>No AI predictions for this series</Text>
</View>
)}
</View>
</View>
</View>
);
})}
</View>
);
};
/**
* Render History Tab
*
* Purpose: Render patient medical history
*/
const renderHistoryTab = () => {
if (!patientData) return null;
return (
<View style={styles.tabContent}>
<View style={styles.section}>
<Text style={styles.sectionTitle}>Processing History</Text>
<View style={styles.historyItem}>
<Icon name="calendar" size={16} color={theme.colors.textSecondary} />
<Text style={styles.historyText}>
First processed on {new Date(patientData.first_processed_at).toLocaleDateString()}
</Text>
</View>
<View style={styles.historyItem}>
<Icon name="clock" size={16} color={theme.colors.textSecondary} />
<Text style={styles.historyText}>
Last updated on {new Date(patientData.last_processed_at).toLocaleDateString()}
</Text>
</View>
<View style={styles.historyItem}>
<Icon name="activity" size={16} color={theme.colors.textSecondary} />
<Text style={styles.historyText}>
Status: {patientData.patient_info.status} case
</Text>
</View>
<View style={styles.historyItem}>
<Icon name="brain" size={16} color={theme.colors.textSecondary} />
<Text style={styles.historyText}>
Total AI predictions: {patientData.total_predictions}
</Text>
</View>
</View>
<View style={styles.section}>
<Text style={styles.sectionTitle}>Notes</Text>
<Text style={styles.notesText}>
Patient case processed with {patientData.series_summary.length} DICOM series.
AI analysis completed with {patientData.total_predictions} predictions.
</Text>
</View>
</View>
);
};
// ============================================================================
// MAIN RENDER
// ============================================================================
if (isLoading) {
return (
<SafeAreaView style={styles.container}>
{renderLoadingState()}
</SafeAreaView>
);
}
if (error) {
return (
<SafeAreaView style={styles.container}>
{renderErrorState()}
</SafeAreaView>
);
}
if (!patientData) {
return (
<SafeAreaView style={styles.container}>
<View style={styles.errorContainer}>
<Icon name="user-x" size={48} color={theme.colors.textMuted} />
<Text style={styles.errorTitle}>Patient Not Found</Text>
<Text style={styles.errorMessage}>The requested patient data could not be found.</Text>
</View>
</SafeAreaView>
);
}
return (
<SafeAreaView style={styles.container}>
{/* Header */}
<View style={styles.header}>
<TouchableOpacity
style={styles.backButton}
onPress={handleBackPress}
>
<Icon name="arrow-left" size={24} color={theme.colors.textPrimary} />
</TouchableOpacity>
<View style={styles.headerTitle}>
<Text style={styles.headerTitleText}>Patient Details</Text>
<Text style={styles.headerSubtitleText}>Emergency Department</Text>
</View>
<TouchableOpacity
style={styles.refreshButton}
onPress={handleRefresh}
disabled={isRefreshing}
>
<Icon
name="refresh-cw"
size={20}
color={isRefreshing ? theme.colors.textMuted : theme.colors.primary}
/>
</TouchableOpacity>
</View>
{/* Patient Header */}
{renderPatientHeader()}
{/* Tab Navigation */}
{renderTabNavigation()}
{/* Tab Content */}
<ScrollView
style={styles.content}
showsVerticalScrollIndicator={false}
refreshControl={
<RefreshControl
refreshing={isRefreshing}
onRefresh={handleRefresh}
colors={[theme.colors.primary]}
tintColor={theme.colors.primary}
/>
}
>
{/* Overview Tab: Patient demographics and medical information */}
{activeTab === 'overview' && renderOverviewTab()}
{/* AI Analysis Tab: Merged view of DICOM images and AI predictions */}
{activeTab === 'aiAnalysis' && renderAIAnalysisTab()}
{/* History Tab: Processing history and notes */}
{activeTab === 'history' && renderHistoryTab()}
</ScrollView>
{/* DICOM Viewer Modal */}
{selectedDicomData && (
<DicomViewerModal
visible={dicomModalVisible}
dicomUrl={selectedDicomData.dicomUrl}
onClose={handleCloseDicomModal}
title={`${selectedDicomData.seriesData.series_description}`}
patientName={patientData?.patient_info.name}
studyDescription={`Series ${selectedDicomData.seriesData.series_num} - ${selectedDicomData.seriesData.modality}`}
/>
)}
</SafeAreaView>
);
};
// ============================================================================
// STYLES
// ============================================================================
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: theme.colors.background,
},
// Header Styles
header: {
flexDirection: 'row',
alignItems: 'center',
paddingHorizontal: theme.spacing.md,
paddingVertical: theme.spacing.sm,
backgroundColor: theme.colors.background,
borderBottomWidth: 1,
borderBottomColor: theme.colors.border,
},
backButton: {
padding: theme.spacing.sm,
marginRight: theme.spacing.sm,
},
headerTitle: {
flex: 1,
alignItems: 'center',
},
headerTitleText: {
fontSize: 18,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
},
headerSubtitleText: {
fontSize: 12,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
},
refreshButton: {
padding: theme.spacing.sm,
marginLeft: theme.spacing.sm,
},
// Patient Header Styles
patientHeader: {
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'center',
paddingHorizontal: theme.spacing.md,
paddingVertical: theme.spacing.lg,
backgroundColor: theme.colors.background,
borderBottomWidth: 1,
borderBottomColor: theme.colors.border,
},
patientInfo: {
flexDirection: 'row',
alignItems: 'center',
flex: 1,
},
patientAvatar: {
width: 60,
height: 60,
borderRadius: 30,
backgroundColor: theme.colors.backgroundAlt,
justifyContent: 'center',
alignItems: 'center',
marginRight: theme.spacing.md,
},
patientDetails: {
flex: 1,
},
patientName: {
fontSize: 20,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
marginBottom: 4,
},
patientId: {
fontSize: 14,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.medium,
marginBottom: 8,
},
patientMeta: {
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'space-between',
},
patientMetaText: {
fontSize: 14,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
},
statusBadge: {
paddingHorizontal: 12,
paddingVertical: 6,
borderRadius: 16,
},
statusText: {
fontSize: 12,
fontFamily: theme.typography.fontFamily.bold,
color: theme.colors.background,
textTransform: 'uppercase',
},
emergencyButton: {
flexDirection: 'row',
alignItems: 'center',
backgroundColor: theme.colors.error,
paddingHorizontal: 16,
paddingVertical: 12,
borderRadius: 8,
shadowColor: theme.colors.error,
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.3,
shadowRadius: 4,
elevation: 4,
},
emergencyButtonText: {
color: theme.colors.background,
fontSize: 12,
fontFamily: theme.typography.fontFamily.bold,
marginLeft: 8,
textTransform: 'uppercase',
},
// Tab Navigation Styles
tabContainer: {
flexDirection: 'row',
backgroundColor: theme.colors.background,
borderBottomWidth: 1,
borderBottomColor: theme.colors.border,
},
tabButton: {
flex: 1,
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'center',
paddingVertical: theme.spacing.md,
paddingHorizontal: theme.spacing.sm,
position: 'relative',
},
activeTabButton: {
borderBottomWidth: 2,
borderBottomColor: theme.colors.primary,
},
tabLabel: {
fontSize: 14,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.medium,
marginLeft: 8,
},
activeTabLabel: {
color: theme.colors.primary,
fontFamily: theme.typography.fontFamily.bold,
},
tabCount: {
backgroundColor: theme.colors.primary,
borderRadius: 10,
paddingHorizontal: 6,
paddingVertical: 2,
marginLeft: 8,
},
tabCountText: {
color: theme.colors.background,
fontSize: 10,
fontFamily: theme.typography.fontFamily.bold,
},
// Content Styles
content: {
flex: 1,
},
tabContent: {
padding: theme.spacing.md,
},
// Section Styles
section: {
marginBottom: theme.spacing.lg,
},
sectionTitle: {
fontSize: 18,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
marginBottom: theme.spacing.md,
},
// Info Grid Styles
infoGrid: {
flexDirection: 'row',
flexWrap: 'wrap',
justifyContent: 'space-between',
},
infoItem: {
width: '48%',
marginBottom: theme.spacing.md,
},
infoLabel: {
fontSize: 12,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.medium,
marginBottom: 4,
textTransform: 'uppercase',
},
infoValue: {
fontSize: 14,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.regular,
},
// Series Info Styles
seriesInfo: {
backgroundColor: theme.colors.backgroundAlt,
padding: theme.spacing.md,
borderRadius: 8,
},
seriesText: {
fontSize: 14,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
marginBottom: 4,
},
// Images Styles
imagesContainer: {
marginTop: theme.spacing.sm,
},
seriesContainer: {
marginBottom: theme.spacing.lg,
},
seriesHeader: {
marginBottom: theme.spacing.md,
},
seriesHeaderTop: {
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'center',
marginBottom: 4,
},
seriesTitle: {
fontSize: 16,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
},
seriesDetailButton: {
flexDirection: 'row',
alignItems: 'center',
backgroundColor: theme.colors.backgroundAlt,
paddingHorizontal: 10,
paddingVertical: 6,
borderRadius: 16,
borderWidth: 1,
borderColor: theme.colors.border,
},
seriesDetailButtonText: {
fontSize: 12,
color: theme.colors.primary,
fontFamily: theme.typography.fontFamily.medium,
marginLeft: 4,
},
seriesMeta: {
fontSize: 14,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
},
imageList: {
paddingRight: theme.spacing.md,
},
imageThumbnail: {
width: 120,
height: 120,
borderRadius: 8,
marginRight: theme.spacing.sm,
position: 'relative',
shadowColor: '#000000',
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.1,
shadowRadius: 4,
elevation: 2,
},
thumbnailImage: {
width: '100%',
height: '100%',
borderRadius: 8,
},
imageOverlay: {
position: 'absolute',
bottom: 0,
left: 0,
right: 0,
backgroundColor: 'rgba(0, 0, 0, 0.7)',
paddingVertical: 4,
paddingHorizontal: 8,
borderBottomLeftRadius: 8,
borderBottomRightRadius: 8,
},
imageNumber: {
color: theme.colors.background,
fontSize: 10,
fontFamily: theme.typography.fontFamily.bold,
textAlign: 'center',
},
// History Styles
historyItem: {
flexDirection: 'row',
alignItems: 'center',
marginBottom: theme.spacing.sm,
},
historyText: {
fontSize: 14,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
marginLeft: theme.spacing.sm,
},
notesText: {
fontSize: 14,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
lineHeight: 20,
},
// Empty State Styles
emptyState: {
alignItems: 'center',
justifyContent: 'center',
paddingVertical: theme.spacing.xl,
},
emptyStateTitle: {
fontSize: 18,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
marginTop: theme.spacing.md,
marginBottom: theme.spacing.sm,
},
emptyStateSubtitle: {
fontSize: 14,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
textAlign: 'center',
lineHeight: 20,
},
// No Image Placeholder Styles
noImagePlaceholder: {
width: 120,
height: 120,
borderRadius: 8,
marginRight: theme.spacing.sm,
backgroundColor: theme.colors.backgroundAlt,
justifyContent: 'center',
alignItems: 'center',
borderWidth: 1,
borderColor: theme.colors.border,
borderStyle: 'dashed',
},
noImageText: {
fontSize: 10,
color: theme.colors.textMuted,
fontFamily: theme.typography.fontFamily.regular,
textAlign: 'center',
marginTop: 4,
},
// Series Details Styles
seriesDetails: {
backgroundColor: theme.colors.backgroundAlt,
padding: theme.spacing.sm,
borderRadius: 8,
marginBottom: theme.spacing.md,
},
seriesDetailItem: {
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'flex-start',
marginBottom: theme.spacing.xs,
},
seriesDetailLabel: {
fontSize: 12,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.medium,
flex: 1,
},
seriesDetailValue: {
fontSize: 12,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.regular,
flex: 2,
textAlign: 'right',
},
// Prediction Styles
predictionSeries: {
marginBottom: theme.spacing.lg,
},
predictionSeriesTitle: {
fontSize: 16,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
marginBottom: theme.spacing.sm,
},
predictionCard: {
backgroundColor: theme.colors.backgroundAlt,
borderRadius: 8,
padding: theme.spacing.md,
marginBottom: theme.spacing.sm,
shadowColor: '#000',
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.1,
shadowRadius: 4,
elevation: 2,
},
predictionHeader: {
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'center',
marginBottom: theme.spacing.sm,
},
predictionLabel: {
fontSize: 14,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
},
urgencyBadge: {
paddingHorizontal: 10,
paddingVertical: 4,
borderRadius: 12,
},
urgencyText: {
fontSize: 10,
fontFamily: theme.typography.fontFamily.bold,
color: theme.colors.background,
textTransform: 'uppercase',
},
predictionDetails: {
marginBottom: theme.spacing.sm,
},
predictionDetailItem: {
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'flex-start',
marginBottom: theme.spacing.xs,
},
predictionDetailLabel: {
fontSize: 12,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.medium,
flex: 1,
},
predictionDetailValue: {
fontSize: 12,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.regular,
flex: 2,
textAlign: 'right',
},
predictionTimestamp: {
fontSize: 12,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
textAlign: 'right',
},
// Loading and Error States
loadingContainer: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
padding: theme.spacing.lg,
},
loadingText: {
marginTop: theme.spacing.sm,
fontSize: 16,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
},
errorContainer: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
padding: theme.spacing.lg,
},
errorTitle: {
fontSize: 18,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
marginTop: theme.spacing.md,
marginBottom: theme.spacing.sm,
},
errorMessage: {
fontSize: 14,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
textAlign: 'center',
marginBottom: theme.spacing.md,
},
retryButton: {
backgroundColor: theme.colors.primary,
paddingVertical: theme.spacing.md,
paddingHorizontal: theme.spacing.lg,
borderRadius: 8,
shadowColor: theme.colors.primary,
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.3,
shadowRadius: 4,
elevation: 4,
},
retryButtonText: {
color: theme.colors.background,
fontSize: 16,
fontFamily: theme.typography.fontFamily.bold,
},
// New styles for AI Analysis Tab
imagePredictionsRow: {
flexDirection: screenWidth > 600 ? 'row' : 'column',
justifyContent: 'space-between',
marginTop: theme.spacing.md,
},
imageSection: {
flex: 1,
marginRight: screenWidth > 600 ? theme.spacing.md : 0,
marginBottom: screenWidth > 600 ? 0 : theme.spacing.md,
},
imageSectionTitle: {
fontSize: 14,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
marginBottom: theme.spacing.sm,
},
predictionsSection: {
flex: 1,
},
predictionsSectionTitle: {
fontSize: 14,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
marginBottom: theme.spacing.sm,
},
noPredictionsPlaceholder: {
alignItems: 'center',
justifyContent: 'center',
paddingVertical: theme.spacing.md,
},
noPredictionsText: {
fontSize: 14,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.regular,
marginTop: theme.spacing.sm,
textAlign: 'center',
},
// New styles for AI Analysis Tab
analysisSummary: {
flexDirection: 'row',
justifyContent: 'space-around',
backgroundColor: theme.colors.backgroundAlt,
borderRadius: 8,
paddingVertical: theme.spacing.md,
paddingHorizontal: theme.spacing.sm,
marginBottom: theme.spacing.md,
shadowColor: '#000',
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.1,
shadowRadius: 4,
elevation: 2,
},
summaryItem: {
alignItems: 'center',
},
summaryLabel: {
fontSize: 12,
color: theme.colors.textSecondary,
fontFamily: theme.typography.fontFamily.medium,
marginTop: theme.spacing.xs,
},
summaryValue: {
fontSize: 18,
color: theme.colors.textPrimary,
fontFamily: theme.typography.fontFamily.bold,
marginTop: theme.spacing.xs,
},
});
export default PatientDetailsScreen;