feat: #37 add function to set valid departure and destination stops

- 입력받은 출발 정류장과 하차 정류장을 기반으로, 유효한 버스 경로를 선택하는 로직을 추가했습니다.

TMT/TMT.xcodeproj/project.pbxproj

@@ -343,7 +343,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = 7P5S729LQZ;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = TMTWidget/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = TMTWidget;
@@ -372,7 +372,7 @@
 				CODE_SIGN_IDENTITY = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = 7P5S729LQZ;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = TMTWidget/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = TMTWidget;
@@ -521,7 +521,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"TMT/Preview Content\"";
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = 7P5S729LQZ;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_NSLocationWhenInUseUsageDescription = "We want your location haha";
@@ -554,7 +554,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"TMT/Preview Content\"";
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = 7P5S729LQZ;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_NSLocationWhenInUseUsageDescription = "We want your location haha";

TMT/TMT/BusSearch/BusSearchViewModel.swift

@@ -78,10 +78,40 @@ final class BusStopSearchViewModel: ObservableObject {
         }))
     }
 
-    /// 사용자 입력에 따라 출발 정류장과 하차 정류장 설정
-    func setJourneyStops(startStop: BusStopInfo, endStop: BusStopInfo) {
-        self.startStop = startStop
-        self.endStop = endStop
+    func setJourneyStops(startStopString: String, endStopString: String) {
+        let startCandidates = searchBusStops(for: startStopString)
+        let endCandidates = searchBusStops(for: endStopString)
+
+        if let validStops = findValidJourneyStops(from: startCandidates, to: endCandidates) {
+            self.startStop = validStops.startStop
+            self.endStop = validStops.endStop
+        }
+    }
+
+    private func searchBusStops(for busStopName: String) -> [BusStopInfo] {
+        return busStops.filter{ $0.stopNameKorean == busStopName }
+    }
+
+    private func findValidJourneyStops(from startCandidates: [BusStopInfo], to endCandidates: [BusStopInfo]) -> (startStop: BusStopInfo, endStop: BusStopInfo)? {
+        let startOrders = startCandidates.compactMap { $0.stopOrder }
+        let endOrders = endCandidates.compactMap { $0.stopOrder }
+
+        guard let startMin = startOrders.min(), let endMin = endOrders.min(),
+              let startMax = startOrders.max(), let endMax = endOrders.max() else { return nil }
+
+        if startMin < endMin {
+            if let startInfo = startCandidates.first(where: { $0.stopOrder == startMin }),
+               let endInfo = endCandidates.first(where: { $0.stopOrder == endMin }) {
+                return (startInfo, endInfo)
+            }
+        } else {
+            if let startInfo = startCandidates.first(where: { $0.stopOrder == startMax }),
+               let endInfo = endCandidates.first(where: { $0.stopOrder == endMax }) {
+                return (startInfo, endInfo)
+            }
+        }
+
+        return nil
     }
 
     /// 실시간으로 남은 정류장 수 업데이트
@@ -91,10 +121,7 @@ final class BusStopSearchViewModel: ObservableObject {
             return
         }
 
-        guard let startIndex = startStop.stopOrder,
-              let endIndex = endStop.stopOrder,
-              startIndex <= endIndex else {
-            print("출발 정류장과 하차 정류장 순서가 올바르지 않습니다.")
+        guard let startIndex = startStop.stopOrder, let endIndex = endStop.stopOrder else {
             return
         }