alerte-secours/src/scenes/DAEItem/Carte.js

388 lines
11 KiB
JavaScript

import React, {
useCallback,
useEffect,
useMemo,
useRef,
useState,
} from "react";
import { View, StyleSheet } from "react-native";
import Maplibre from "@maplibre/maplibre-react-native";
import polyline from "@mapbox/polyline";
import { MaterialCommunityIcons } from "@expo/vector-icons";
import { Button } from "react-native-paper";
import MapView from "~/containers/Map/MapView";
import Camera from "~/containers/Map/Camera";
import LastKnownLocationMarker from "~/containers/Map/LastKnownLocationMarker";
import { DEFAULT_ZOOM_LEVEL } from "~/containers/Map/constants";
import StepZoomButtonGroup from "~/containers/Map/StepZoomButtonGroup";
import Text from "~/components/Text";
import Loader from "~/components/Loader";
import { useTheme } from "~/theme";
import { useDefibsState, useNetworkState } from "~/stores";
import useLocation from "~/hooks/useLocation";
import { getDefibAvailability } from "~/utils/dae/getDefibAvailability";
import { osmProfileUrl } from "~/scenes/AlertCurMap/routing";
const STATUS_COLORS = {
open: "#4CAF50",
closed: "#F44336",
unknown: "#9E9E9E",
};
function formatDuration(seconds) {
if (!seconds || seconds <= 0) return "";
const mins = Math.round(seconds / 60);
if (mins < 60) return `${mins} min`;
const h = Math.floor(mins / 60);
const m = mins % 60;
return m > 0 ? `${h}h${m}` : `${h}h`;
}
function formatDistance(meters) {
if (!meters || meters <= 0) return "";
if (meters < 1000) return `${Math.round(meters)} m`;
return `${(meters / 1000).toFixed(1)} km`;
}
export default React.memo(function DAEItemCarte() {
const { colors } = useTheme();
const { selectedDefib: defib } = useDefibsState(["selectedDefib"]);
const { hasInternetConnection } = useNetworkState(["hasInternetConnection"]);
const { coords, isLastKnown, lastKnownTimestamp } = useLocation();
const mapRef = useRef();
const cameraRef = useRef();
const [cameraKey, setCameraKey] = useState(1);
const [zoomLevel, setZoomLevel] = useState(DEFAULT_ZOOM_LEVEL);
const abortControllerRef = useRef(null);
const refreshCamera = useCallback(() => {
setCameraKey(`${Date.now()}`);
}, []);
const hasUserCoords =
coords && coords.latitude !== null && coords.longitude !== null;
const hasDefibCoords = defib && defib.latitude && defib.longitude;
const [routeCoords, setRouteCoords] = useState(null);
const [routeInfo, setRouteInfo] = useState(null);
const [routeError, setRouteError] = useState(null);
const [loadingRoute, setLoadingRoute] = useState(false);
const profile = "foot"; // walking itinerary to defib
// Compute route
useEffect(() => {
if (!hasUserCoords || !hasDefibCoords || !hasInternetConnection) {
return;
}
// Abort any previous request
if (abortControllerRef.current) {
abortControllerRef.current.abort();
}
const controller = new AbortController();
abortControllerRef.current = controller;
const fetchRoute = async () => {
setLoadingRoute(true);
setRouteError(null);
try {
const origin = `${coords.longitude},${coords.latitude}`;
const target = `${defib.longitude},${defib.latitude}`;
const osrmUrl = osmProfileUrl[profile] || osmProfileUrl.foot;
const url = `${osrmUrl}/route/v1/${profile}/${origin};${target}?overview=full&steps=true`;
const res = await fetch(url, { signal: controller.signal });
const result = await res.json();
if (result.routes && result.routes.length > 0) {
const route = result.routes[0];
const decoded = polyline
.decode(route.geometry)
.map((p) => p.reverse());
setRouteCoords(decoded);
setRouteInfo({
distance: route.distance,
duration: route.duration,
});
}
} catch (err) {
if (err.name !== "AbortError") {
console.warn("Route calculation failed:", err.message);
setRouteError(err);
}
} finally {
setLoadingRoute(false);
}
};
fetchRoute();
return () => {
controller.abort();
};
}, [
hasUserCoords,
hasDefibCoords,
hasInternetConnection,
coords,
defib,
profile,
]);
// Defib marker GeoJSON
const defibGeoJSON = useMemo(() => {
if (!hasDefibCoords) return null;
const { status } = getDefibAvailability(
defib.horaires_std,
defib.disponible_24h,
);
return {
type: "FeatureCollection",
features: [
{
type: "Feature",
geometry: {
type: "Point",
coordinates: [defib.longitude, defib.latitude],
},
properties: {
id: defib.id,
nom: defib.nom || "Défibrillateur",
color: STATUS_COLORS[status],
},
},
],
};
}, [defib, hasDefibCoords]);
// Route line GeoJSON
const routeGeoJSON = useMemo(() => {
if (!routeCoords || routeCoords.length < 2) return null;
return {
type: "Feature",
geometry: {
type: "LineString",
coordinates: routeCoords,
},
};
}, [routeCoords]);
// Camera bounds to show both user + defib
const bounds = useMemo(() => {
if (!hasUserCoords || !hasDefibCoords) return null;
const lats = [coords.latitude, defib.latitude];
const lons = [coords.longitude, defib.longitude];
return {
ne: [Math.max(...lons), Math.max(...lats)],
sw: [Math.min(...lons), Math.min(...lats)],
};
}, [hasUserCoords, hasDefibCoords, coords, defib]);
if (!defib) return null;
return (
<View style={styles.container}>
{/* Offline banner */}
{!hasInternetConnection && (
<View
style={[
styles.offlineBanner,
{ backgroundColor: (colors.error || "#F44336") + "15" },
]}
>
<MaterialCommunityIcons
name="wifi-off"
size={18}
color={colors.error || "#F44336"}
/>
<Text
style={[
styles.offlineBannerText,
{ color: colors.error || "#F44336" },
]}
>
Hors ligne l'itinéraire n'est pas disponible
</Text>
</View>
)}
{/* Route info bar */}
{routeInfo && (
<View
style={[
styles.routeInfoBar,
{
backgroundColor: colors.surface,
borderBottomColor: colors.outlineVariant || colors.grey,
},
]}
>
<MaterialCommunityIcons
name="walk"
size={20}
color={colors.primary}
/>
<Text style={styles.routeInfoText}>
{formatDistance(routeInfo.distance)}
{routeInfo.duration
? ` · ${formatDuration(routeInfo.duration)}`
: ""}
</Text>
{loadingRoute && (
<Text
style={[
styles.routeInfoLoading,
{ color: colors.onSurfaceVariant || colors.grey },
]}
>
Mise à jour
</Text>
)}
</View>
)}
<MapView
mapRef={mapRef}
compassViewPosition={1}
compassViewMargin={{ x: 10, y: 10 }}
>
<Camera
cameraKey={cameraKey}
setCameraKey={setCameraKey}
refreshCamera={refreshCamera}
cameraRef={cameraRef}
followUserLocation={!bounds}
followUserMode={
bounds
? Maplibre.UserTrackingMode.None
: Maplibre.UserTrackingMode.Follow
}
followPitch={0}
zoomLevel={zoomLevel}
bounds={bounds}
detached={false}
/>
{/* Route line */}
{routeGeoJSON && (
<Maplibre.ShapeSource id="routeSource" shape={routeGeoJSON}>
<Maplibre.LineLayer
id="routeLineLayer"
style={{
lineColor: "rgba(49, 76, 205, 0.84)",
lineWidth: 4,
lineCap: "round",
lineJoin: "round",
lineOpacity: 0.84,
}}
/>
</Maplibre.ShapeSource>
)}
{/* Defib marker */}
{defibGeoJSON && (
<Maplibre.ShapeSource id="defibItemSource" shape={defibGeoJSON}>
<Maplibre.CircleLayer
id="defibItemCircle"
style={{
circleRadius: 10,
circleColor: ["get", "color"],
circleStrokeColor: "#FFFFFF",
circleStrokeWidth: 2.5,
}}
/>
<Maplibre.SymbolLayer
id="defibItemLabel"
aboveLayerID="defibItemCircle"
style={{
textField: ["get", "nom"],
textSize: 12,
textOffset: [0, 1.8],
textAnchor: "top",
textMaxWidth: 14,
textColor: colors.onSurface,
textHaloColor: colors.surface,
textHaloWidth: 1,
}}
/>
</Maplibre.ShapeSource>
)}
{/* User location */}
{isLastKnown && hasUserCoords ? (
<LastKnownLocationMarker
coordinates={coords}
timestamp={lastKnownTimestamp}
id="lastKnownLocation_daeItem"
/>
) : (
<Maplibre.UserLocation visible showsUserHeadingIndicator />
)}
</MapView>
<StepZoomButtonGroup mapRef={mapRef} setZoomLevel={setZoomLevel} />
{/* Route error */}
{routeError && !loadingRoute && (
<View style={styles.routeErrorOverlay}>
<Text
style={[
styles.routeErrorText,
{ color: colors.onSurfaceVariant || colors.grey },
]}
>
Impossible de calculer l'itinéraire
</Text>
</View>
)}
</View>
);
});
const styles = StyleSheet.create({
container: {
flex: 1,
},
offlineBanner: {
flexDirection: "row",
alignItems: "center",
paddingHorizontal: 16,
paddingVertical: 10,
gap: 8,
},
offlineBannerText: {
fontSize: 13,
flex: 1,
},
routeInfoBar: {
flexDirection: "row",
alignItems: "center",
paddingHorizontal: 16,
paddingVertical: 10,
borderBottomWidth: StyleSheet.hairlineWidth,
gap: 8,
},
routeInfoText: {
fontSize: 15,
fontWeight: "600",
flex: 1,
},
routeInfoLoading: {
fontSize: 12,
},
routeErrorOverlay: {
position: "absolute",
bottom: 16,
left: 16,
right: 16,
alignItems: "center",
},
routeErrorText: {
fontSize: 13,
textAlign: "center",
},
});