feat: 支持模拟器定位与地图 fallback

suixinkan/Features/Location/LocationGeocoder.swift

@@ -3,16 +3,28 @@
 //  suixinkan
 //
 
+import CoreLocation
 import Foundation
 
-/// 高德逆地理编码封装，对齐 Android `GeocodeSearch`。
+/// 地址逆地理编码能力，供平台定位实现注入。
 @MainActor
-final class LocationGeocoder: NSObject, AMapSearchDelegate {
+protocol LocationAddressGeocoding: AnyObject {
+    /// 将坐标解析为可读地址，失败时返回空字符串。
+    func reverseGeocode(latitude: Double, longitude: Double) async -> String
+}
+
+/// 平台逆地理编码封装；真机使用高德，模拟器使用 Core Location。
+@MainActor
+final class LocationGeocoder: NSObject, LocationAddressGeocoding {
 
     nonisolated static let shared = LocationGeocoder()
 
+    #if targetEnvironment(simulator)
+    private let geocoder = CLGeocoder()
+    #else
     private var searchAPI: AMapSearchAPI?
     private var continuation: CheckedContinuation<String, Never>?
+    #endif
 
     nonisolated private override init() {
         super.init()
@@ -20,6 +32,26 @@ final class LocationGeocoder: NSObject, AMapSearchDelegate {
 
     /// 将坐标解析为可读地址。
     func reverseGeocode(latitude: Double, longitude: Double) async -> String {
+        #if targetEnvironment(simulator)
+        let location = CLLocation(latitude: latitude, longitude: longitude)
+        guard let placemark = try? await geocoder.reverseGeocodeLocation(location).first else {
+            return ""
+        }
+        if let name = placemark.name?.trimmingCharacters(in: .whitespacesAndNewlines),
+           !name.isEmpty {
+            return name
+        }
+        return [
+            placemark.administrativeArea,
+            placemark.locality,
+            placemark.subLocality,
+            placemark.thoroughfare,
+            placemark.subThoroughfare,
+        ]
+        .compactMap { $0?.trimmingCharacters(in: .whitespacesAndNewlines) }
+        .filter { !$0.isEmpty }
+        .joined()
+        #else
         do {
             try AMapBootstrap.requireConfigured()
         } catch {
@@ -40,8 +72,10 @@ final class LocationGeocoder: NSObject, AMapSearchDelegate {
             request.radius = 200
             api.aMapReGoecodeSearch(request)
         }
+        #endif
     }
 
+    #if !targetEnvironment(simulator)
     func onReGeocodeSearchDone(_ request: AMapReGeocodeSearchRequest!, response: AMapReGeocodeSearchResponse!) {
         let address = response?.regeocode?.formattedAddress ?? ""
         continuation?.resume(returning: address)
@@ -62,4 +96,9 @@ final class LocationGeocoder: NSObject, AMapSearchDelegate {
         searchAPI = api
         return api
     }
+    #endif
 }
+
+#if !targetEnvironment(simulator)
+extension LocationGeocoder: AMapSearchDelegate {}
+#endif