fix: locate stats directory under Paper's dimensions layout

Rankings returned "sem dados" because World#getWorldFolder points at the
dimension directory in Paper's newer layout, so <worldFolder>/players/stats
does not exist. The real path is <worldContainer>/<level-name>/players/stats.
Try that first, fall back to the older locations, then climb out of the
dimension folder, and warn instead of silently returning nothing.

Also fixes "1 dias e 0 horas" — durations now agree in number and drop a
zero remainder.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01ActvLGJApdxEAd2yfKPwqv

src/main/java/dev/marcospaulo/canalhandia/Msg.java

@@ -45,16 +45,23 @@ final class Msg {
                 .append(Component.text(value, NamedTextColor.AQUA)));
     }
 
-    /** Renders a duration in ticks as "3 dias e 4 horas" / "5 horas" / "12 minutos". */
+    /** Renders a duration in ticks as "3 dias e 4 horas" / "1 hora" / "12 minutos". */
     static String duration(long ticks) {
         long minutes = ticks / 20L / 60L;
         if (minutes < 60) {
-            return minutes + " minutos";
+            return plural(minutes, "minuto", "minutos");
         }
         long hours = minutes / 60;
         if (hours < 24) {
-            return hours + " horas";
+            return plural(hours, "hora", "horas");
         }
-        return hours / 24 + " dias e " + hours % 24 + " horas";
+        long days = hours / 24;
+        long rest = hours % 24;
+        String text = plural(days, "dia", "dias");
+        return rest == 0 ? text : text + " e " + plural(rest, "hora", "horas");
+    }
+
+    private static String plural(long value, String singular, String plural) {
+        return value + " " + (value == 1 ? singular : plural);
     }
 }

src/main/java/dev/marcospaulo/canalhandia/OfflineStats.java

@@ -120,19 +120,46 @@ final class OfflineStats {
     }
 
     /**
-     * Paper writes to {@code <world>/players/stats}; older layouts used
-     * {@code <world>/stats}. Try both rather than assume.
+     * Locates the statistics directory.
+     *
+     * <p>Not as simple as it looks. Paper's newer layout puts dimensions under
+     * {@code <world>/dimensions/…}, and {@code World#getWorldFolder} points at
+     * the dimension rather than the world root — so {@code getWorldFolder() +
+     * "/players/stats"} does not exist. The real path is
+     * {@code <worldContainer>/<level-name>/players/stats}. Older servers used
+     * {@code <world>/stats}. Try each in turn, then walk up from the dimension
+     * folder as a last resort.
      */
     private File statsDirectory() {
         if (Bukkit.getWorlds().isEmpty()) {
             return null;
         }
-        File world = Bukkit.getWorlds().get(0).getWorldFolder();
-        File modern = new File(world, "players/stats");
-        if (modern.isDirectory()) {
-            return modern;
+        String levelName = Bukkit.getWorlds().get(0).getName();
+        File worldFolder = Bukkit.getWorlds().get(0).getWorldFolder();
+
+        File[] candidates = {
+                new File(new File(Bukkit.getWorldContainer(), levelName), "players/stats"),
+                new File(worldFolder, "players/stats"),
+                new File(new File(Bukkit.getWorldContainer(), levelName), "stats"),
+                new File(worldFolder, "stats"),
+        };
+        for (File candidate : candidates) {
+            if (candidate.isDirectory()) {
+                return candidate;
+            }
         }
-        File legacy = new File(world, "stats");
-        return legacy.isDirectory() ? legacy : null;
+
+        // Last resort: climb out of the dimension folder looking for players/stats.
+        File current = worldFolder;
+        for (int depth = 0; depth < 4 && current != null; depth++) {
+            File found = new File(current, "players/stats");
+            if (found.isDirectory()) {
+                return found;
+            }
+            current = current.getParentFile();
+        }
+        plugin.getLogger().warning("Não encontrei o diretório de estatísticas a partir de "
+                + worldFolder.getAbsolutePath());
+        return null;
     }
 }