From 42c97d8cb2193a00b333ec2911c1dd16be853eea Mon Sep 17 00:00:00 2001
From: KIMSEONGMIN <128333586+Brian0KIM@users.noreply.github.com>
Date: Mon, 2 Dec 2024 10:00:51 +0900
Subject: [PATCH] bus history by bus number implemented

---
 front/lib/bus_history_page.dart | 128 ++++++++++++++++++++++++++++++--
 1 file changed, 122 insertions(+), 6 deletions(-)

diff --git a/front/lib/bus_history_page.dart b/front/lib/bus_history_page.dart
index 6f274aa..4de3077 100644
--- a/front/lib/bus_history_page.dart
+++ b/front/lib/bus_history_page.dart
@@ -23,13 +23,64 @@ class BusHistoryPage extends StatefulWidget {
 class _BusHistoryPageState extends State<BusHistoryPage> {
   bool isLoading = false;
   Map<int, List<String>> groupedData = {};
+  final Map<int, ScrollController> _scrollControllers = {};
 
   @override
   void initState() {
     super.initState();
     fetchBusHistory();
   }
+  @override
+  void dispose() {
+    // ScrollController 해제
+    for (var controller in _scrollControllers.values) {
+      controller.dispose();
+    }
+    super.dispose();
+  }
+ void _scrollToCurrentTime(int daysAgo, List<String> times) {
+    if (times.isEmpty) return;
+
+    final now = DateTime.now();
+    final currentTimeString = "${now.hour.toString().padLeft(2, '0')}:${now.minute.toString().padLeft(2, '0')}";
+    
+    // 현재 시간과 가장 가까운 인덱스 찾기
+    int closestIndex = 0;
+    int minDifference = double.maxFinite.toInt();
+
+    for (int i = 0; i < times.length; i++) {
+      final difference = _getTimeDifference(currentTimeString, times[i]);
+      if (difference.abs() < minDifference) {
+        minDifference = difference.abs();
+        closestIndex = i;
+      }
+    }
 
+    // ScrollController가 없으면 생성
+    if (!_scrollControllers.containsKey(daysAgo)) {
+      _scrollControllers[daysAgo] = ScrollController();
+    }
+
+    // 스크롤 위치 조정
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (_scrollControllers[daysAgo]!.hasClients) {
+        _scrollControllers[daysAgo]!.animateTo(
+          closestIndex * 56.0, // ListTile의 대략적인 높이
+          duration: const Duration(milliseconds: 300),
+          curve: Curves.easeOut,
+        );
+      }
+    });
+  }
+  int _getTimeDifference(String time1, String time2) {
+    final t1Parts = time1.split(':');
+    final t2Parts = time2.split(':');
+    
+    final t1Minutes = int.parse(t1Parts[0]) * 60 + int.parse(t1Parts[1]);
+    final t2Minutes = int.parse(t2Parts[0]) * 60 + int.parse(t2Parts[1]);
+    
+    return t2Minutes - t1Minutes;
+  }
   Future<void> fetchBusHistory() async {
     setState(() {
       isLoading = true;
@@ -64,6 +115,9 @@ class _BusHistoryPageState extends State<BusHistoryPage> {
 
           setState(() {
             groupedData = tempGroupedData;
+            groupedData.forEach((daysAgo, times) {
+              _scrollToCurrentTime(daysAgo, times);
+            });
           });
         }
       }
@@ -95,11 +149,23 @@ class _BusHistoryPageState extends State<BusHistoryPage> {
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
-                Text(
-                  "${widget.stationName}(${widget.busNumber})",
-                  style: const TextStyle(
-                    fontSize: 20,
-                    fontWeight: FontWeight.bold,
+                 RichText(
+                  text: TextSpan(
+                    style: const TextStyle(
+                      fontSize: 20,
+                      fontWeight: FontWeight.bold,
+                      color: Colors.black, // 기본 텍스트 색상
+                    ),
+                    children: [
+                      TextSpan(text: widget.stationName),
+                      TextSpan(
+                        text: "  ${widget.busNumber}",
+                        style: TextStyle(
+                          color: getBusColor(widget.busNumber),
+                        ),
+                      ),
+                      const TextSpan(text: "번 버스"),
+                    ],
                   ),
                 ),
                 const Text(
@@ -109,6 +175,13 @@ class _BusHistoryPageState extends State<BusHistoryPage> {
                     fontSize: 14,
                   ),
                 ),
+                Text(
+                _getDateMessage(),  // 요일별 안내 메시지 추가
+                style: const TextStyle(
+                    color: Colors.grey,
+                    fontSize: 12,
+                  ),
+                ),
               ],
             ),
           ),
@@ -139,12 +212,13 @@ class _BusHistoryPageState extends State<BusHistoryPage> {
                           const Divider(height: 1),
                           Expanded(
                             child: ListView.separated(
+                              controller: _scrollControllers[entry.key],
                               padding: EdgeInsets.zero,
                               itemCount: entry.value.length,
                               separatorBuilder: (context, index) => const Divider(height: 1),
                               itemBuilder: (context, index) {
                                 return ListTile(
-                                  leading: const Icon(Icons.check),
+                                  leading: Icon(Icons.directions_bus, color: getBusColor(widget.busNumber)),
                                   title: Text(
                                     entry.value[index],
                                     style: const TextStyle(
@@ -167,4 +241,46 @@ class _BusHistoryPageState extends State<BusHistoryPage> {
       ),
     );
   }
+}
+
+
+Color getBusColor(String routeNumber) {
+  switch (routeNumber) {
+    case "9":
+      return const Color(0xff33CC99); // 지선버스
+    case "1112":
+      return const Color(0xffE60012); // 지선버스
+    case "5100":
+      return const Color(0xffE60012); // 광역버스
+    case "7000":
+      return const Color(0xffE60012); // 광역버스
+    case "M5107":
+      return const Color(0xff006896); // M버스
+    case "1560A":
+      return const Color(0xffE60012); // 지선버스
+    case "1560B":
+      return const Color(0xffE60012); // 지선버스
+    default:
+      return Colors.black;
+  }
+}
+String _getDateMessage() {
+  final today = DateTime.now();
+  final weekday = today.weekday; // 1 = 월요일, 7 = 일요일
+  
+  switch (weekday) {
+    case 1: // 월요일
+      return 'ⓘ 월요일: 3일전, 7일전 도착 기록을 제공합니다.';
+    case 2: // 화요일
+      return 'ⓘ 화요일: 1일전, 7일전 도착 기록을 제공합니다.';
+    case 3: // 수요일
+    case 4: // 목요일
+    case 5: // 금요일
+      return 'ⓘ 수요일, 목요일, 금요일: 1일전, 2일전, 7일전 도착 기록을 제공합니다.';
+    case 6: // 토요일
+    case 7: // 일요일
+      return 'ⓘ 토요일, 일요일: 7일전 도착 기록을 제공합니다.';
+    default:
+      return 'ⓘ 7일전 도착 기록을 제공합니다.';
+  }
 }
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