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TREK/client/src/components/Journey/JourneyMap.tsx
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import { useEffect, useRef, useImperativeHandle, forwardRef, useCallback } from 'react'
import L from 'leaflet'
import { useSettingsStore } from '../../store/settingsStore'
export interface MapMarkerItem {
id: string
lat: number
lng: number
label: string
mood?: string | null
time: string
dayColor: string
dayLabel: number
}
export interface JourneyMapHandle {
highlightMarker: (id: string | null) => void
focusMarker: (id: string) => void
invalidateSize: () => void
}
interface MapEntry {
id: string
lat: number
lng: number
title?: string | null
mood?: string | null
entry_date: string
dayColor?: string
dayLabel?: number
}
interface Props {
checkins: any[]
entries: MapEntry[]
trail?: { lat: number; lng: number }[]
height?: number
dark?: boolean
activeMarkerId?: string | null
onMarkerClick?: (id: string, type?: string) => void
fullScreen?: boolean
paddingBottom?: number
}
function buildMarkerItems(entries: MapEntry[]): MapMarkerItem[] {
const items: MapMarkerItem[] = []
for (const e of entries) {
if (e.lat && e.lng) {
items.push({
id: e.id,
lat: e.lat,
lng: e.lng,
label: e.title || 'Entry',
mood: e.mood,
time: e.entry_date,
dayColor: e.dayColor || '#52525B',
dayLabel: e.dayLabel ?? 1,
})
}
}
items.sort((a, b) => a.time.localeCompare(b.time))
return items
}
const MARKER_W = 28
const MARKER_H = 36
function markerSvg(dayColor: string, dayLabel: number, highlighted: boolean): string {
const stroke = highlighted ? '#fff' : 'rgba(255,255,255,0.5)'
const shadow = highlighted
? 'filter:drop-shadow(0 0 10px rgba(0,0,0,0.4)) drop-shadow(0 2px 6px rgba(0,0,0,0.4))'
: 'filter:drop-shadow(0 2px 4px rgba(0,0,0,0.25))'
const label = String(dayLabel)
const scale = highlighted ? 1.2 : 1
return `<div style="transform:scale(${scale});transition:transform 0.2s ease;${shadow};transform-origin:bottom center">
<svg width="${MARKER_W}" height="${MARKER_H}" viewBox="0 0 28 36" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M14 34C14 34 26 22.36 26 13C26 6.37 20.63 1 14 1C7.37 1 2 6.37 2 13C2 22.36 14 34 14 34Z" fill="${dayColor}" stroke="${stroke}" stroke-width="1.5"/>
<circle cx="14" cy="13" r="8" fill="${dayColor}"/>
<text x="14" y="13" text-anchor="middle" dominant-baseline="central" fill="#fff" font-family="-apple-system,system-ui,sans-serif" font-size="11" font-weight="700">${label}</text>
</svg>
</div>`
}
const EMPTY_TRAIL: { lat: number; lng: number }[] = []
const JourneyMap = forwardRef<JourneyMapHandle, Props>(function JourneyMap(
{ entries, trail, height = 220, dark, activeMarkerId, onMarkerClick, fullScreen, paddingBottom },
ref
) {
const stableTrail = trail || EMPTY_TRAIL
const mapTileUrl = useSettingsStore(s => s.settings.map_tile_url)
const containerRef = useRef<HTMLDivElement>(null)
const mapRef = useRef<L.Map | null>(null)
const markersRef = useRef<Map<string, L.Marker>>(new Map())
const itemsRef = useRef<MapMarkerItem[]>([])
const highlightedRef = useRef<string | null>(null)
const onMarkerClickRef = useRef(onMarkerClick)
onMarkerClickRef.current = onMarkerClick
const darkRef = useRef(dark)
darkRef.current = dark
const highlightMarker = useCallback((id: string | null) => {
const prev = highlightedRef.current
highlightedRef.current = id
const isDark = !!darkRef.current
if (prev && prev !== id) {
const marker = markersRef.current.get(prev)
const item = itemsRef.current.find(i => i.id === prev)
if (marker && item) {
marker.setIcon(L.divIcon({
className: '',
iconSize: [MARKER_W, MARKER_H],
iconAnchor: [MARKER_W / 2, MARKER_H],
html: markerSvg(item.dayColor, item.dayLabel, false),
}))
marker.setZIndexOffset(0)
}
}
if (id) {
const marker = markersRef.current.get(id)
const item = itemsRef.current.find(i => i.id === id)
if (marker && item) {
marker.setIcon(L.divIcon({
className: '',
iconSize: [MARKER_W, MARKER_H],
iconAnchor: [MARKER_W / 2, MARKER_H],
html: markerSvg(item.dayColor, item.dayLabel, true),
}))
marker.setZIndexOffset(1000)
}
}
}, [])
const focusMarker = useCallback((id: string) => {
highlightMarker(id)
const marker = markersRef.current.get(id)
if (marker && mapRef.current) {
try {
mapRef.current.flyTo(marker.getLatLng(), Math.max(mapRef.current.getZoom(), 12), { duration: 0.5 })
} catch { /* map not yet initialized */ }
}
}, [])
const invalidateSize = useCallback(() => {
try { mapRef.current?.invalidateSize() } catch { /* map not yet initialized */ }
}, [])
useImperativeHandle(ref, () => ({ highlightMarker, focusMarker, invalidateSize }), [])
useEffect(() => {
if (!containerRef.current) return
if (mapRef.current) {
mapRef.current.remove()
mapRef.current = null
}
markersRef.current.clear()
const map = L.map(containerRef.current, {
zoomControl: false,
attributionControl: true,
scrollWheelZoom: fullScreen ? true : false,
dragging: true,
touchZoom: true,
})
mapRef.current = map
const defaultTile = dark
? 'https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png'
: 'https://{s}.basemaps.cartocdn.com/rastertiles/voyager/{z}/{x}/{y}{r}.png'
L.tileLayer(mapTileUrl || defaultTile, {
maxZoom: 18,
attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>',
referrerPolicy: 'strict-origin-when-cross-origin',
// Leaflet defaults updateWhenIdle:true on mobile (waits for pan to settle
// before loading tiles). On the journey mobile combined view we flyTo
// constantly when switching cards, so tiles lag visibly — force eager
// updates and keep a larger ring of off-screen tiles ready.
updateWhenIdle: false,
keepBuffer: 4,
} as any).addTo(map)
const items = buildMarkerItems(entries)
itemsRef.current = items
const allCoords: L.LatLngTuple[] = []
if (stableTrail.length > 1) {
const coords = stableTrail.map(p => [p.lat, p.lng] as L.LatLngTuple)
L.polyline(coords, {
color: '#6366f1', weight: 3, opacity: 0.4,
dashArray: '6 4', lineCap: 'round',
}).addTo(map)
coords.forEach(c => allCoords.push(c))
}
// route polyline — only in non-fullscreen (sidebar map) mode
if (!fullScreen && items.length > 1) {
const routeCoords = items.map(i => [i.lat, i.lng] as L.LatLngTuple)
L.polyline(routeCoords, {
color: dark ? '#71717A' : '#A1A1AA',
weight: 1.5,
opacity: 0.5,
dashArray: '4 6',
lineCap: 'round', lineJoin: 'round',
}).addTo(map)
}
// place markers
items.forEach((item, i) => {
const pos: L.LatLngTuple = [item.lat, item.lng]
allCoords.push(pos)
const icon = L.divIcon({
className: '',
iconSize: [MARKER_W, MARKER_H],
iconAnchor: [MARKER_W / 2, MARKER_H],
html: markerSvg(item.dayColor, item.dayLabel, false),
})
const marker = L.marker(pos, { icon }).addTo(map)
marker.bindTooltip(item.label, {
direction: 'top',
offset: [0, -MARKER_H],
className: 'map-tooltip',
})
marker.on('click', () => {
onMarkerClickRef.current?.(item.id)
})
markersRef.current.set(item.id, marker)
})
// fit bounds
requestAnimationFrame(() => {
if (!mapRef.current) return
try {
map.invalidateSize()
if (allCoords.length > 0) {
const pb = paddingBottom || 50
map.fitBounds(L.latLngBounds(allCoords), { paddingTopLeft: [50, 50], paddingBottomRight: [50, pb], maxZoom: 16 })
} else {
map.setView([30, 0], 2)
}
} catch {}
})
setTimeout(() => {
if (mapRef.current) map.invalidateSize()
}, 200)
return () => {
map.remove()
mapRef.current = null
markersRef.current.clear()
}
}, [entries, stableTrail, dark, mapTileUrl, fullScreen, paddingBottom])
// react to activeMarkerId prop changes — runs after map is built
useEffect(() => {
if (!activeMarkerId || !mapRef.current) return
// small delay to ensure markers are rendered after map build
const timer = setTimeout(() => {
highlightMarker(activeMarkerId)
const marker = markersRef.current.get(activeMarkerId)
if (!marker || !mapRef.current) return
// fitBounds may still be pending when this fires — getZoom() throws
// "Set map center and zoom first" until the map has a view. Guard it.
try {
const currentZoom = mapRef.current.getZoom()
mapRef.current.flyTo(marker.getLatLng(), Math.max(currentZoom, 12), { duration: 0.5 })
} catch {
mapRef.current.setView(marker.getLatLng(), 12)
}
}, 50)
return () => clearTimeout(timer)
}, [activeMarkerId])
const zoomIn = () => mapRef.current?.zoomIn()
const zoomOut = () => mapRef.current?.zoomOut()
return (
<div style={{ position: 'relative', height: height === 9999 ? '100%' : height, width: '100%', borderRadius: 'inherit', overflow: 'hidden' }}>
<div
ref={containerRef}
style={{ width: '100%', height: '100%' }}
/>
<div style={{ position: 'absolute', bottom: 12, right: 12, zIndex: 400, display: 'flex', flexDirection: 'column', gap: 4 }}>
<button
onClick={zoomIn}
style={{
width: 32, height: 32, borderRadius: 8,
background: dark ? 'rgba(255,255,255,0.12)' : 'rgba(255,255,255,0.9)',
backdropFilter: 'blur(8px)',
border: `1px solid ${dark ? 'rgba(255,255,255,0.15)' : 'rgba(0,0,0,0.1)'}`,
color: dark ? '#fff' : '#18181B',
display: 'flex', alignItems: 'center', justifyContent: 'center',
cursor: 'pointer', fontSize: 16, fontWeight: 700, lineHeight: 1,
}}
>+</button>
<button
onClick={zoomOut}
style={{
width: 32, height: 32, borderRadius: 8,
background: dark ? 'rgba(255,255,255,0.12)' : 'rgba(255,255,255,0.9)',
backdropFilter: 'blur(8px)',
border: `1px solid ${dark ? 'rgba(255,255,255,0.15)' : 'rgba(0,0,0,0.1)'}`,
color: dark ? '#fff' : '#18181B',
display: 'flex', alignItems: 'center', justifyContent: 'center',
cursor: 'pointer', fontSize: 16, fontWeight: 700, lineHeight: 1,
}}
></button>
</div>
</div>
)
})
export default JourneyMap