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import { useEffect, useState } from "react";
import {
Box,
Flex,
Heading,
Text,
Spinner,
SimpleGrid,
Badge,
Wrap,
Tag,
Divider,
Table,
Thead,
Tbody,
Tr,
Th,
Td,
Link,
Avatar,
Icon,
HStack,
} from "@chakra-ui/react";
import { CheckIcon, CloseIcon, ExternalLinkIcon } from '@chakra-ui/icons';
import {
ResponsiveContainer,
BarChart,
Bar,
Cell,
XAxis,
YAxis,
CartesianGrid,
Tooltip
} from "recharts";
import {
MapContainer,
TileLayer,
Marker,
Popup,
useMap,
} from "react-leaflet";
import L from "leaflet";
import "leaflet/dist/leaflet.css";
import type { ProjectDetailsProps, OrganizationLocation } from "../hooks/types";
import markerIconPng from "leaflet/dist/images/marker-icon.png";
import markerIcon2x from "leaflet/dist/images/marker-icon-2x.png";
import markerShadow from "leaflet/dist/images/marker-shadow.png";
const customIcon = new L.Icon({
iconUrl: markerIconPng,
iconRetinaUrl: markerIcon2x,
shadowUrl: markerShadow,
iconSize: [25, 41],
iconAnchor: [12, 41],
popupAnchor: [1, -34],
});
function ResizeMap({ count }: { count: number }) {
const map = useMap();
useEffect(() => {
map?.invalidateSize();
}, [count, map]);
return null;
}
export default function ProjectDetails({
project,}: ProjectDetailsProps) {
// fetch organization locations
const [orgLocations, setOrgLocations] = useState<OrganizationLocation[]>([]);
const [loadingOrgs, setLoadingOrgs] = useState(true);
const [loadingPlot, setLoadingPlot] = useState(true);
useEffect(() => {
if (!project) return;
setLoadingOrgs(true);
fetch(`/api/project/${project.id}/organizations`)
.then((r) => r.json())
.then((data) => Array.isArray(data) ? setOrgLocations(data) : console.error(data))
.catch(console.error)
.finally(() => setLoadingOrgs(false));
}, [project]);
if (!project) {
return (
<Box p={6} textAlign="center">
<Text color="gray.500">No project selected.</Text>
</Box>
);
}
const shapData = project.explanations;
const predicted = project.predicted_label;
const probability = project.predicted_prob;
// Map center fallback
const validOrgs = orgLocations.filter(
(o) =>
typeof o.latitude === "number" &&
!Number.isNaN(o.latitude) &&
typeof o.longitude === "number" &&
!Number.isNaN(o.longitude)
);
// pick a default center (or fallback to [0,0])
const center: [number, number] = validOrgs.length
? [validOrgs[0].latitude, validOrgs[0].longitude]
: [51.505, -0.09];
// format numbers with two decimals
const fmtNum = (num: number | null | undefined): string =>
num != null
? num.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 })
: '-';
return (
<Flex direction={{ base: "column", md: "row" }} gap={8}>
{/* Left: Details */}
<Box flex={1} p={6} bg="white" borderRadius="md" boxShadow="sm">
<HStack mb={4} align="baseline">
<Heading size="l">{project.title}</Heading>
<Badge colorScheme={project.status === "CLOSED" ? "green" : "red"}>
{project.status}
</Badge>
</HStack>
<SimpleGrid columns={[1, 2]} spacing={4} mb={6}>
<Box>
<Text fontWeight="bold">ID</Text>
<Text>{project.id}</Text>
</Box>
<Box>
<Text fontWeight="bold">Acronym</Text>
<Text>{project.acronym}</Text>
</Box>
<Box><Text fontWeight="bold">Start Date</Text><Text>{project.startDate}</Text></Box>
<Box><Text fontWeight="bold">End Date</Text><Text>{project.endDate}</Text></Box>
<Box><Text fontWeight="bold">Funding (EC max)</Text><Text>€{fmtNum(project.ecMaxContribution)}</Text></Box>
<Box><Text fontWeight="bold">Total Cost</Text><Text>€{fmtNum(project.totalCost)}</Text></Box>
<Box><Text fontWeight="bold">Funding Scheme</Text><Text>{project.fundingScheme}</Text></Box>
<Box>
<Text fontWeight="bold">Legal Basis</Text>
<Text>{project.legalBasis}</Text>
</Box>
<Box gridColumn={["auto", "span 2"]}>
<Text fontWeight="bold">Framework Programme</Text>
<Text>{project.frameworkProgramme}</Text>
</Box>
</SimpleGrid>
<Box mb={6}>
<Heading size="md" mb={2}>Objective</Heading>
<Text whiteSpace="pre-wrap">{project.objective}</Text>
</Box>
{(project.list_euroSciVocTitle ?? []).length > 0 && (
<Box mb={4}>
<Heading size="md" mb={2}>EuroSciVoc Titles</Heading>
<Wrap>
{(project.list_euroSciVocTitle ?? []).map((t) => (
<Tag key={t} mb={2}>{t}</Tag>
))}
</Wrap>
</Box>
)}
{(project.list_euroSciVocPath ?? []).length > 0 && (
<Box mb={4}>
<Heading size="md" mb={2}>EuroSciVoc Paths</Heading>
<Wrap>
{(project.list_euroSciVocPath ?? []).map((p) => (
<Tag key={p} mb={2}>{p}</Tag>
))}
</Wrap>
</Box>
)}
<Divider my={6} />
{project.publications && Object.keys(project.publications).length > 0 && (
<Box mb={6}>
<Heading size="md" mb={2}>Publications</Heading>
<Table size="sm" variant="simple">
<Thead>
<Tr>
<Th>Type</Th>
<Th isNumeric>Count</Th>
</Tr>
</Thead>
<Tbody>
{Object.entries(project.publications).map(([type, count]) => (
<Tr key={type}>
<Td>{type}</Td>
<Td isNumeric>{count}</Td>
</Tr>
))}
</Tbody>
</Table>
</Box>
)}
{orgLocations.length > 0 && (
<>
<Heading size="md" mb={3}>Participating Organizations</Heading>
{loadingOrgs ? (
<Spinner />
) : (
<Table size="sm" variant="simple" mb={6}>
<Thead>
<Tr>
<Th whiteSpace="nowrap">Name</Th>
<Th whiteSpace="nowrap">Location</Th>
<Th whiteSpace="nowrap">SME</Th>
<Th whiteSpace="nowrap">Role</Th>
<Th isNumeric whiteSpace="nowrap">Contribution</Th>
<Th whiteSpace="nowrap">Activity Type</Th>
</Tr>
</Thead>
<Tbody>
{orgLocations.map((o, i) => (
<Tr key={i}>
<Td>
{o.orgURL ? (
<Link href={o.orgURL} isExternal>
{o.name} <ExternalLinkIcon mx="2px" />
</Link>
) : (
<Text>{o.name}</Text>
)}
</Td>
<Td whiteSpace="nowrap">{`${o.city || '-'}, ${o.country}`}</Td>
<Td>{o.sme ? <Icon as={CheckIcon} /> : <Icon as={CloseIcon} />}</Td>
<Td>{o.role}</Td>
<Td isNumeric>€{fmtNum(o.contribution)}</Td>
<Td>{o.activityType}</Td>
</Tr>
))}
</Tbody>
</Table>
)}
{!loadingOrgs && validOrgs.length > 0 &&(
<Box w="100%" h="300px" borderRadius="md" overflow="hidden">
<MapContainer center={center} zoom={4} style={{ height: '100%', width: '100%' }}>
<ResizeMap count={validOrgs.length} />
<TileLayer
attribution="© OpenStreetMap contributors"
url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
/>
{validOrgs.map((org, i) => (
<Marker key={i} position={[org.latitude, org.longitude]} icon={customIcon}>
<Popup>
<Text fontWeight="bold">{org.name}</Text>
<Text>{org.country}</Text>
</Popup>
</Marker>
))}
</MapContainer>
</Box>
)}
</>
)}
</Box>
{/* Right: Model Explanation */}
<Box
flex={{ base: '1', md: '0.6' }}
bg="gray.50"
p={4}
borderRadius="md"
display="flex"
flexDirection="column"
maxH="700px"
>
<Heading size="sm" mb={4}>Model Prediction & Explanation</Heading>
{shapData?.length ? (
<>
<Text mb={2}><strong>Predicted Label:</strong> {predicted === 1 ? 'Terminated' : 'Closed'}</Text>
<Text mb={4}><strong>Probability:</strong> {predicted === 1 ? (probability * 100).toFixed(2) : ((1-probability) * 100).toFixed(2) }%</Text>
<ResponsiveContainer width="100%" height={300}>
<BarChart data={shapData} margin={{ top: 10, right: 30, left: 0, bottom: 5 }}>
<CartesianGrid strokeDasharray="3 3" />
<XAxis dataKey="feature" axisLine={false} tick={false} />
<YAxis />
<Tooltip />
<Bar dataKey="shap" name="SHAP Value">
{shapData.map((entry, index) => (
<Cell
key={`cell-${index}`}
fill={entry.shap >= 0 ? "#003399" : "#FFCC00"}
/>
))}
</Bar>
</BarChart>
</ResponsiveContainer>
<Text fontSize="xs" color="gray.500" mt={2}>
Each bar shows how much that feature pushed the model's prediction.
Positive bars increase the chance of termination; Negative bars decrease it.
</Text>
</>
) : (
<Spinner />
)}
</Box>
</Flex>
);
} |