extract Direction from MarsMap

src/main/java/cat/hack3/codingtests/marsrover/Coordinates.java

@@ -1,7 +1,6 @@
 package cat.hack3.codingtests.marsrover;
 
 
-import cat.hack3.codingtests.marsrover.MarsMap.Direction;
 
 import java.util.logging.Logger;
 

src/main/java/cat/hack3/codingtests/marsrover/Direction.java

@@ -0,0 +1,23 @@
+package cat.hack3.codingtests.marsrover;
+
+public enum Direction {
+    NORTH, SOUTH, EAST, WEST;
+
+    public Direction reversed() {
+        return switch (this) {
+            case NORTH -> SOUTH;
+            case SOUTH -> NORTH;
+            case EAST -> WEST;
+            case WEST -> EAST;
+        };
+    }
+
+    public Direction changeDirectionToLeft() {
+        return switch (this) {
+            case NORTH -> WEST;
+            case SOUTH -> EAST;
+            case EAST -> NORTH;
+            case WEST -> SOUTH;
+        };
+    }
+}

src/main/java/cat/hack3/codingtests/marsrover/MarsMap.java

@@ -1,18 +1,6 @@
 package cat.hack3.codingtests.marsrover;
 
-import static cat.hack3.codingtests.marsrover.MarsMap.Direction.*;
-
 public class MarsMap {
-    public enum Direction {NORTH, SOUTH, EAST, WEST;
-        public Direction reversed() {
-            return switch (this) {
-                case NORTH -> SOUTH;
-                case SOUTH -> NORTH;
-                case EAST -> WEST;
-                case WEST -> EAST;
-            };
-        }
-    }
     private final int width;
     private final int height;
 
@@ -21,12 +9,4 @@ public class MarsMap {
         this.height = height;
     }
 
-    public Direction changeDirectionToLeft(Direction currentDirection) {
-        return switch (currentDirection) {
-            case NORTH -> WEST;
-            case SOUTH -> EAST;
-            case EAST -> NORTH;
-            case WEST -> SOUTH;
-        };
-    }
 }

src/main/java/cat/hack3/codingtests/marsrover/MarsRover.java

@@ -3,9 +3,9 @@ package cat.hack3.codingtests.marsrover;
 public class MarsRover {
     private final MarsMap marsMap;
     private final Coordinates currentCoordinates;
-    private MarsMap.Direction currentDirection;
+    private Direction currentDirection;
 
-    public MarsRover(MarsMap marsMap, Coordinates startingCoordinates, MarsMap.Direction startingDirection) {
+    public MarsRover(MarsMap marsMap, Coordinates startingCoordinates, Direction startingDirection) {
         this.marsMap = marsMap;
         currentCoordinates = startingCoordinates;
         currentDirection = startingDirection;
@@ -19,8 +19,8 @@ public class MarsRover {
         return currentCoordinates.updatePositionTowards(currentDirection.reversed());
     }
 
-    public MarsMap.Direction turnLeft() {
+    public Direction turnLeft() {
-        currentDirection = marsMap.changeDirectionToLeft(currentDirection);
+        currentDirection = currentDirection.changeDirectionToLeft();
         return currentDirection;
     }
 
@@ -28,7 +28,7 @@ public class MarsRover {
         return currentCoordinates.copy();
     }
 
-    public MarsMap.Direction getCurrentDirection() {
+    public Direction getCurrentDirection() {
         return currentDirection;
     }
 }

src/test/java/cat/hack3/codingtests/marsrover/MarsRoverTest.java

@@ -6,8 +6,7 @@ import org.testng.annotations.Test;
 import java.util.function.IntConsumer;
 import java.util.stream.IntStream;
 
-import static cat.hack3.codingtests.marsrover.MarsMap.Direction;
+import static cat.hack3.codingtests.marsrover.Direction.*;
-import static cat.hack3.codingtests.marsrover.MarsMap.Direction.*;
 import static org.testng.Assert.assertEquals;
 
 public class MarsRoverTest {