체류 지점 방문 내역 합산 표시

js/main.js

@@ -479,6 +479,7 @@ const PLAYBACK_SPEEDS = [2, 5, 10, 20, 50, 100, 500];
 const PLAYBACK_MIN_VISIBLE_STEPS = 80;
 const PLAYBACK_TICK_MS = 160;
 const STAY_MIN_SECONDS = 10 * 60;
+const STAY_GROUP_RADIUS_M = 100;
 
 const FALLBACK_BACK_TARGET = 'https://chaegeon.com/';
 const BACK_HISTORY_KEY = 'chaegeon.backHistory.v1';
@@ -1707,12 +1708,11 @@ function filterHistoryOutliers(points) {
 function buildStayPoints(points) {
     const stays = [];
     let start = 0;
-    const radius = 100;
 
     for (let i = 1; i <= points.length; i++) {
         const base = points[start];
         const current = points[i];
-        const outside = !current || distanceMeters(base, current) > radius;
+        const outside = !current || distanceMeters(base, current) > STAY_GROUP_RADIUS_M;
         if (!outside) continue;
 
         const end = points[Math.max(start, i - 1)];
@@ -1725,19 +1725,43 @@ function buildStayPoints(points) {
                 start = Math.max(0, i - 1);
                 continue;
             }
-            stays.push({
-                lat,
-                lng,
-                latlng: new naver.maps.LatLng(lat, lng),
+            const visit = {
                 startTime: base.time,
                 endTime: end.time,
                 duration,
                 points: slice.length,
-            });
+            };
+            const existing = stays.find(stay => distanceMeters(stay, { lat, lng }) <= STAY_GROUP_RADIUS_M);
+            if (existing) {
+                const oldPoints = existing.points || 1;
+                const nextPoints = oldPoints + slice.length;
+                existing.lat = ((existing.lat * oldPoints) + (lat * slice.length)) / nextPoints;
+                existing.lng = ((existing.lng * oldPoints) + (lng * slice.length)) / nextPoints;
+                existing.latlng = new naver.maps.LatLng(existing.lat, existing.lng);
+                existing.startTime = toTimestamp(existing.startTime) <= toTimestamp(visit.startTime) ? existing.startTime : visit.startTime;
+                existing.endTime = toTimestamp(existing.endTime) >= toTimestamp(visit.endTime) ? existing.endTime : visit.endTime;
+                existing.duration += duration;
+                existing.points = nextPoints;
+                existing.visits.push(visit);
+            } else {
+                stays.push({
+                    lat,
+                    lng,
+                    latlng: new naver.maps.LatLng(lat, lng),
+                    startTime: base.time,
+                    endTime: end.time,
+                    duration,
+                    points: slice.length,
+                    visits: [visit],
+                });
+            }
         }
         start = Math.max(0, i - 1);
     }
 
+    stays.forEach(stay => {
+        stay.visits.sort((a, b) => toTimestamp(a.startTime) - toTimestamp(b.startTime));
+    });
     return stays;
 }
 
@@ -1986,11 +2010,17 @@ function buildHistoryInfoContent(point, type, label) {
 
 function buildStayInfoContent(stay) {
     const t = translations[langCode] || translations.ko;
+    const visits = Array.isArray(stay.visits) && stay.visits.length
+        ? stay.visits
+        : [{ startTime: stay.startTime, endTime: stay.endTime, duration: stay.duration }];
+    const visitRows = visits.map((visit, index) => `
+            <span>${index + 1}. ${formatDateTime(visit.startTime)} - ${formatDateTime(visit.endTime)} · ${formatDuration(Math.round(visit.duration))} 체류</span>
+        `).join('');
     return `
         <div class="history-info-window history-info-stay">
             <strong>${t.historyStay}</strong>
-            <span>${formatDuration(Math.round(stay.duration))}</span>
-            <span>${formatDateTime(stay.startTime)} - ${formatDateTime(stay.endTime)}</span>
+            <span>총 ${formatDuration(Math.round(stay.duration))}</span>
+            ${visitRows}
             <span>${Number(stay.lat).toFixed(6)}, ${Number(stay.lng).toFixed(6)}</span>
         </div>
     `;