feature(domain): CSVReader angepasst

src/main/java/de/deversmann/domain/CSVReader.java

@@ -4,36 +4,54 @@ import java.io.BufferedReader;
 import java.io.FileReader;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.List;
 
 public class CSVReader {
 
-    /**
-     * Liest die CSV-Datei ein und gibt die enthaltenen Werte als zweidimensionales int-Array zurück.
-     *
-     * @param csvFile Pfad zur CSV-Datei
-     * @return zweidimensionales Array, das die Zahlen aus der CSV enthält
-     * @throws IOException wenn ein Fehler beim Lesen auftritt
-     */
-    public int[][] readCsvToIntArray(String csvFile) throws IOException {
-        ArrayList<int[]> rows = new ArrayList<>();
+    public PuzzleData readPuzzleWithSolution(String csvFile) throws IOException {
+        List<int[]> puzzleRows = new ArrayList<>();
+        List<int[]> solutionCoordinates = new ArrayList<>();
 
         try (BufferedReader br = new BufferedReader(new FileReader(csvFile))) {
             String line;
+            boolean inSolutionPart = false;
+
             while ((line = br.readLine()) != null) {
-                String[] tokens = line.split(",");
-                int[] row = new int[tokens.length];
-                for (int i = 0; i < tokens.length; i++) {
-                    row[i] = Integer.parseInt(tokens[i].trim());
+                line = line.trim();
+                if (line.isEmpty()) {
+                    continue;
+                }
+                if (line.startsWith("//Lösung") || line.startsWith("//")) {
+                    inSolutionPart = true;
+                    continue;
+                }
+
+                if (!inSolutionPart) {
+                    // Puzzle-Teil
+                    String[] tokens = line.split(",");
+                    int[] rowValues = new int[tokens.length];
+                    for (int i = 0; i < tokens.length; i++) {
+                        rowValues[i] = Integer.parseInt(tokens[i].trim());
+                    }
+                    puzzleRows.add(rowValues);
+                } else {
+                    // Lösungsteil
+                    String[] coords = line.split(",");
+                    if (coords.length == 2) {
+                        int row = Integer.parseInt(coords[0].trim());
+                        int col = Integer.parseInt(coords[1].trim());
+                        solutionCoordinates.add(new int[]{row, col});
+                    }
                 }
-                rows.add(row);
             }
         }
 
-        // ArrayList in 2D-Array umwandeln
-        int[][] result = new int[rows.size()][];
-        for (int i = 0; i < rows.size(); i++) {
-            result[i] = rows.get(i);
+        // puzzleRows -> 2D-Array
+        int[][] puzzleArray = new int[puzzleRows.size()][];
+        for (int i = 0; i < puzzleRows.size(); i++) {
+            puzzleArray[i] = puzzleRows.get(i);
         }
-        return result;
+
+        return new PuzzleData(puzzleArray, solutionCoordinates);
     }
 }